ext: Add SoftFloat Library to ext directory
This patch adds Softfloat library for supporting RISCV
float operation implement.
Using SoftFloat Package to reinplement Riscv FPops.
Jira Issue: https://gem5.atlassian.net/browse/GEM5-373
Change-Id: Ic96e6c8adec0713bdbd744d581c750034b88246c
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/39357
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>
diff --git a/ext/softfloat/SConscript b/ext/softfloat/SConscript
new file mode 100644
index 0000000..f08a022
--- /dev/null
+++ b/ext/softfloat/SConscript
@@ -0,0 +1,278 @@
+
+# -*- mode:python -*-
+
+# Copyright (c) 2020 StreamComputing Corp.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Kai Ren
+
+import os
+
+Import('main')
+
+env = main.Clone()
+if env['GCC']:
+ env.Append(CCFLAGS=['-Wno-unused-variable',
+ '-Wno-unused-label',
+ '-Wno-implicit-fallthrough',
+ '-g'])
+
+elif env['CLANG']:
+ env.Append(CCFLAGS=['-Wno-unused-variable',
+ '-Wno-unused-label',
+ '-g'])
+
+# Add the appropriate files for the library
+softfloat_files = []
+
+
+def SoftfloatFile(filename):
+ softfloat_files.append(File('./' + filename))
+
+SoftfloatFile('f128_add.c')
+SoftfloatFile('f128_classify.c')
+SoftfloatFile('f128_div.c')
+SoftfloatFile('f128_eq.c')
+SoftfloatFile('f128_eq_signaling.c')
+SoftfloatFile('f128_isSignalingNaN.c')
+SoftfloatFile('f128_le.c')
+SoftfloatFile('f128_le_quiet.c')
+SoftfloatFile('f128_lt.c')
+SoftfloatFile('f128_lt_quiet.c')
+SoftfloatFile('f128_mulAdd.c')
+SoftfloatFile('f128_mul.c')
+SoftfloatFile('f128_rem.c')
+SoftfloatFile('f128_roundToInt.c')
+SoftfloatFile('f128_sqrt.c')
+SoftfloatFile('f128_sub.c')
+SoftfloatFile('f128_to_f16.c')
+SoftfloatFile('f128_to_f32.c')
+SoftfloatFile('f128_to_f64.c')
+SoftfloatFile('f128_to_i32.c')
+SoftfloatFile('f128_to_i32_r_minMag.c')
+SoftfloatFile('f128_to_i64.c')
+SoftfloatFile('f128_to_i64_r_minMag.c')
+SoftfloatFile('f128_to_ui32.c')
+SoftfloatFile('f128_to_ui32_r_minMag.c')
+SoftfloatFile('f128_to_ui64.c')
+SoftfloatFile('f128_to_ui64_r_minMag.c')
+SoftfloatFile('f16_add.c')
+SoftfloatFile('f16_div.c')
+SoftfloatFile('f16_eq.c')
+SoftfloatFile('f16_eq_signaling.c')
+SoftfloatFile('f16_isSignalingNaN.c')
+SoftfloatFile('f16_le.c')
+SoftfloatFile('f16_le_quiet.c')
+SoftfloatFile('f16_lt.c')
+SoftfloatFile('f16_lt_quiet.c')
+SoftfloatFile('f16_mulAdd.c')
+SoftfloatFile('f16_mul.c')
+SoftfloatFile('f16_rem.c')
+SoftfloatFile('f16_roundToInt.c')
+SoftfloatFile('f16_sqrt.c')
+SoftfloatFile('f16_sub.c')
+SoftfloatFile('f16_to_f128.c')
+SoftfloatFile('f16_to_f32.c')
+SoftfloatFile('f16_to_f64.c')
+SoftfloatFile('f16_to_i32.c')
+SoftfloatFile('f16_to_i32_r_minMag.c')
+SoftfloatFile('f16_to_i64.c')
+SoftfloatFile('f16_to_i64_r_minMag.c')
+SoftfloatFile('f16_to_ui32.c')
+SoftfloatFile('f16_to_ui32_r_minMag.c')
+SoftfloatFile('f16_to_ui64.c')
+SoftfloatFile('f16_to_ui64_r_minMag.c')
+SoftfloatFile('f32_add.c')
+SoftfloatFile('f32_classify.c')
+SoftfloatFile('f32_div.c')
+SoftfloatFile('f32_eq.c')
+SoftfloatFile('f32_eq_signaling.c')
+SoftfloatFile('f32_isSignalingNaN.c')
+SoftfloatFile('f32_le.c')
+SoftfloatFile('f32_le_quiet.c')
+SoftfloatFile('f32_lt.c')
+SoftfloatFile('f32_lt_quiet.c')
+SoftfloatFile('f32_mulAdd.c')
+SoftfloatFile('f32_mul.c')
+SoftfloatFile('f32_rem.c')
+SoftfloatFile('f32_roundToInt.c')
+SoftfloatFile('f32_sqrt.c')
+SoftfloatFile('f32_sub.c')
+SoftfloatFile('f32_to_f128.c')
+SoftfloatFile('f32_to_f16.c')
+SoftfloatFile('f32_to_f64.c')
+SoftfloatFile('f32_to_i32.c')
+SoftfloatFile('f32_to_i32_r_minMag.c')
+SoftfloatFile('f32_to_i64.c')
+SoftfloatFile('f32_to_i64_r_minMag.c')
+SoftfloatFile('f32_to_ui32.c')
+SoftfloatFile('f32_to_ui32_r_minMag.c')
+SoftfloatFile('f32_to_ui64.c')
+SoftfloatFile('f32_to_ui64_r_minMag.c')
+SoftfloatFile('f64_add.c')
+SoftfloatFile('f64_classify.c')
+SoftfloatFile('f64_div.c')
+SoftfloatFile('f64_eq.c')
+SoftfloatFile('f64_eq_signaling.c')
+SoftfloatFile('f64_isSignalingNaN.c')
+SoftfloatFile('f64_le.c')
+SoftfloatFile('f64_le_quiet.c')
+SoftfloatFile('f64_lt.c')
+SoftfloatFile('f64_lt_quiet.c')
+SoftfloatFile('f64_mulAdd.c')
+SoftfloatFile('f64_mul.c')
+SoftfloatFile('f64_rem.c')
+SoftfloatFile('f64_roundToInt.c')
+SoftfloatFile('f64_sqrt.c')
+SoftfloatFile('f64_sub.c')
+SoftfloatFile('f64_to_f128.c')
+SoftfloatFile('f64_to_f16.c')
+SoftfloatFile('f64_to_f32.c')
+SoftfloatFile('f64_to_i32.c')
+SoftfloatFile('f64_to_i32_r_minMag.c')
+SoftfloatFile('f64_to_i64.c')
+SoftfloatFile('f64_to_i64_r_minMag.c')
+SoftfloatFile('f64_to_ui32.c')
+SoftfloatFile('f64_to_ui32_r_minMag.c')
+SoftfloatFile('f64_to_ui64.c')
+SoftfloatFile('f64_to_ui64_r_minMag.c')
+SoftfloatFile('i32_to_f128.c')
+SoftfloatFile('i32_to_f16.c')
+SoftfloatFile('i32_to_f32.c')
+SoftfloatFile('i32_to_f64.c')
+SoftfloatFile('i64_to_f128.c')
+SoftfloatFile('i64_to_f16.c')
+SoftfloatFile('i64_to_f32.c')
+SoftfloatFile('i64_to_f64.c')
+SoftfloatFile('s_add128.c')
+SoftfloatFile('s_add256M.c')
+SoftfloatFile('s_addCarryM.c')
+SoftfloatFile('s_addComplCarryM.c')
+SoftfloatFile('s_addMagsF128.c')
+SoftfloatFile('s_addMagsF16.c')
+SoftfloatFile('s_addMagsF32.c')
+SoftfloatFile('s_addMagsF64.c')
+SoftfloatFile('s_addM.c')
+SoftfloatFile('s_approxRecip_1Ks.c')
+SoftfloatFile('s_approxRecip32_1.c')
+SoftfloatFile('s_approxRecipSqrt_1Ks.c')
+SoftfloatFile('s_approxRecipSqrt32_1.c')
+SoftfloatFile('s_commonNaNToF128UI.c')
+SoftfloatFile('s_commonNaNToF16UI.c')
+SoftfloatFile('s_commonNaNToF32UI.c')
+SoftfloatFile('s_commonNaNToF64UI.c')
+SoftfloatFile('s_compare128M.c')
+SoftfloatFile('s_compare96M.c')
+SoftfloatFile('s_countLeadingZeros16.c')
+SoftfloatFile('s_countLeadingZeros32.c')
+SoftfloatFile('s_countLeadingZeros64.c')
+SoftfloatFile('s_countLeadingZeros8.c')
+SoftfloatFile('s_eq128.c')
+SoftfloatFile('s_f128UIToCommonNaN.c')
+SoftfloatFile('s_f16UIToCommonNaN.c')
+SoftfloatFile('s_f32UIToCommonNaN.c')
+SoftfloatFile('s_f64UIToCommonNaN.c')
+SoftfloatFile('s_le128.c')
+SoftfloatFile('s_lt128.c')
+SoftfloatFile('s_mul128By32.c')
+SoftfloatFile('s_mul128MTo256M.c')
+SoftfloatFile('s_mul128To256M.c')
+SoftfloatFile('s_mul64ByShifted32To128.c')
+SoftfloatFile('s_mul64To128.c')
+SoftfloatFile('s_mul64To128M.c')
+SoftfloatFile('s_mulAddF128.c')
+SoftfloatFile('s_mulAddF16.c')
+SoftfloatFile('s_mulAddF32.c')
+SoftfloatFile('s_mulAddF64.c')
+SoftfloatFile('s_negXM.c')
+SoftfloatFile('s_normRoundPackToF128.c')
+SoftfloatFile('s_normRoundPackToF16.c')
+SoftfloatFile('s_normRoundPackToF32.c')
+SoftfloatFile('s_normRoundPackToF64.c')
+SoftfloatFile('s_normSubnormalF128Sig.c')
+SoftfloatFile('s_normSubnormalF16Sig.c')
+SoftfloatFile('s_normSubnormalF32Sig.c')
+SoftfloatFile('s_normSubnormalF64Sig.c')
+SoftfloatFile('softfloat_raiseFlags.c')
+SoftfloatFile('softfloat_state.c')
+SoftfloatFile('s_propagateNaNF128UI.c')
+SoftfloatFile('s_propagateNaNF16UI.c')
+SoftfloatFile('s_propagateNaNF32UI.c')
+SoftfloatFile('s_propagateNaNF64UI.c')
+SoftfloatFile('s_remStepMBy32.c')
+SoftfloatFile('s_roundMToI64.c')
+SoftfloatFile('s_roundMToUI64.c')
+SoftfloatFile('s_roundPackMToI64.c')
+SoftfloatFile('s_roundPackMToUI64.c')
+SoftfloatFile('s_roundPackToF128.c')
+SoftfloatFile('s_roundPackToF16.c')
+SoftfloatFile('s_roundPackToF32.c')
+SoftfloatFile('s_roundPackToF64.c')
+SoftfloatFile('s_roundPackToI32.c')
+SoftfloatFile('s_roundPackToI64.c')
+SoftfloatFile('s_roundPackToUI32.c')
+SoftfloatFile('s_roundPackToUI64.c')
+SoftfloatFile('s_roundToI32.c')
+SoftfloatFile('s_roundToI64.c')
+SoftfloatFile('s_roundToUI32.c')
+SoftfloatFile('s_roundToUI64.c')
+SoftfloatFile('s_shiftRightJam128.c')
+SoftfloatFile('s_shiftRightJam128Extra.c')
+SoftfloatFile('s_shiftRightJam256M.c')
+SoftfloatFile('s_shiftRightJam32.c')
+SoftfloatFile('s_shiftRightJam64.c')
+SoftfloatFile('s_shiftRightJam64Extra.c')
+SoftfloatFile('s_shortShiftLeft128.c')
+SoftfloatFile('s_shortShiftLeft64To96M.c')
+SoftfloatFile('s_shortShiftRight128.c')
+SoftfloatFile('s_shortShiftRightExtendM.c')
+SoftfloatFile('s_shortShiftRightJam128.c')
+SoftfloatFile('s_shortShiftRightJam128Extra.c')
+SoftfloatFile('s_shortShiftRightJam64.c')
+SoftfloatFile('s_shortShiftRightJam64Extra.c')
+SoftfloatFile('s_shortShiftRightM.c')
+SoftfloatFile('s_sub128.c')
+SoftfloatFile('s_sub1XM.c')
+SoftfloatFile('s_sub256M.c')
+SoftfloatFile('s_subMagsF128.c')
+SoftfloatFile('s_subMagsF16.c')
+SoftfloatFile('s_subMagsF32.c')
+SoftfloatFile('s_subMagsF64.c')
+SoftfloatFile('s_subM.c')
+SoftfloatFile('ui32_to_f128.c')
+SoftfloatFile('ui32_to_f16.c')
+SoftfloatFile('ui32_to_f32.c')
+SoftfloatFile('ui32_to_f64.c')
+SoftfloatFile('ui64_to_f128.c')
+SoftfloatFile('ui64_to_f16.c')
+SoftfloatFile('ui64_to_f32.c')
+SoftfloatFile('ui64_to_f64.c')
+
+env.Library('softfloat', [env.SharedObject(f) for f in softfloat_files])
+
+main.Prepend(CPPPATH=Dir('./'))
+main.Append(LIBS=['softfloat'])
+main.Prepend(LIBPATH=[Dir('.')])
diff --git a/ext/softfloat/f128_add.c b/ext/softfloat/f128_add.c
new file mode 100644
index 0000000..173c676
--- /dev/null
+++ b/ext/softfloat/f128_add.c
@@ -0,0 +1,79 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float128_t f128_add( float128_t a, float128_t b )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool signA;
+ union ui128_f128 uB;
+ uint_fast64_t uiB64, uiB0;
+ bool signB;
+#if ! defined INLINE_LEVEL || (INLINE_LEVEL < 2)
+ float128_t
+ (*magsFuncPtr)(
+ uint_fast64_t, uint_fast64_t, uint_fast64_t, uint_fast64_t, bool );
+#endif
+
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ signA = signF128UI64( uiA64 );
+ uB.f = b;
+ uiB64 = uB.ui.v64;
+ uiB0 = uB.ui.v0;
+ signB = signF128UI64( uiB64 );
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+ if ( signA == signB ) {
+ return softfloat_addMagsF128( uiA64, uiA0, uiB64, uiB0, signA );
+ } else {
+ return softfloat_subMagsF128( uiA64, uiA0, uiB64, uiB0, signA );
+ }
+#else
+ magsFuncPtr =
+ (signA == signB) ? softfloat_addMagsF128 : softfloat_subMagsF128;
+ return (*magsFuncPtr)( uiA64, uiA0, uiB64, uiB0, signA );
+#endif
+
+}
+
diff --git a/ext/softfloat/f128_classify.c b/ext/softfloat/f128_classify.c
new file mode 100755
index 0000000..254e5a2
--- /dev/null
+++ b/ext/softfloat/f128_classify.c
@@ -0,0 +1,38 @@
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast16_t f128_classify( float128_t a )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+
+ uint_fast16_t infOrNaN = expF128UI64( uiA64 ) == 0x7FFF;
+ uint_fast16_t subnormalOrZero = expF128UI64( uiA64 ) == 0;
+ bool sign = signF128UI64( uiA64 );
+ bool fracZero = fracF128UI64( uiA64 ) == 0 && uiA0 == 0;
+ bool isNaN = isNaNF128UI( uiA64, uiA0 );
+ bool isSNaN = softfloat_isSigNaNF128UI( uiA64, uiA0 );
+
+ return
+ ( sign && infOrNaN && fracZero ) << 0 |
+ ( sign && !infOrNaN && !subnormalOrZero ) << 1 |
+ ( sign && subnormalOrZero && !fracZero ) << 2 |
+ ( sign && subnormalOrZero && fracZero ) << 3 |
+ ( !sign && infOrNaN && fracZero ) << 7 |
+ ( !sign && !infOrNaN && !subnormalOrZero ) << 6 |
+ ( !sign && subnormalOrZero && !fracZero ) << 5 |
+ ( !sign && subnormalOrZero && fracZero ) << 4 |
+ ( isNaN && isSNaN ) << 8 |
+ ( isNaN && !isSNaN ) << 9;
+}
+
diff --git a/ext/softfloat/f128_div.c b/ext/softfloat/f128_div.c
new file mode 100644
index 0000000..e294668
--- /dev/null
+++ b/ext/softfloat/f128_div.c
@@ -0,0 +1,200 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float128_t f128_div( float128_t a, float128_t b )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool signA;
+ int_fast32_t expA;
+ struct uint128 sigA;
+ union ui128_f128 uB;
+ uint_fast64_t uiB64, uiB0;
+ bool signB;
+ int_fast32_t expB;
+ struct uint128 sigB;
+ bool signZ;
+ struct exp32_sig128 normExpSig;
+ int_fast32_t expZ;
+ struct uint128 rem;
+ uint_fast32_t recip32;
+ int ix;
+ uint_fast64_t q64;
+ uint_fast32_t q;
+ struct uint128 term;
+ uint_fast32_t qs[3];
+ uint_fast64_t sigZExtra;
+ struct uint128 sigZ, uiZ;
+ union ui128_f128 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ signA = signF128UI64( uiA64 );
+ expA = expF128UI64( uiA64 );
+ sigA.v64 = fracF128UI64( uiA64 );
+ sigA.v0 = uiA0;
+ uB.f = b;
+ uiB64 = uB.ui.v64;
+ uiB0 = uB.ui.v0;
+ signB = signF128UI64( uiB64 );
+ expB = expF128UI64( uiB64 );
+ sigB.v64 = fracF128UI64( uiB64 );
+ sigB.v0 = uiB0;
+ signZ = signA ^ signB;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x7FFF ) {
+ if ( sigA.v64 | sigA.v0 ) goto propagateNaN;
+ if ( expB == 0x7FFF ) {
+ if ( sigB.v64 | sigB.v0 ) goto propagateNaN;
+ goto invalid;
+ }
+ goto infinity;
+ }
+ if ( expB == 0x7FFF ) {
+ if ( sigB.v64 | sigB.v0 ) goto propagateNaN;
+ goto zero;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expB ) {
+ if ( ! (sigB.v64 | sigB.v0) ) {
+ if ( ! (expA | sigA.v64 | sigA.v0) ) goto invalid;
+ softfloat_raiseFlags( softfloat_flag_infinite );
+ goto infinity;
+ }
+ normExpSig = softfloat_normSubnormalF128Sig( sigB.v64, sigB.v0 );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ if ( ! expA ) {
+ if ( ! (sigA.v64 | sigA.v0) ) goto zero;
+ normExpSig = softfloat_normSubnormalF128Sig( sigA.v64, sigA.v0 );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = expA - expB + 0x3FFE;
+ sigA.v64 |= UINT64_C( 0x0001000000000000 );
+ sigB.v64 |= UINT64_C( 0x0001000000000000 );
+ rem = sigA;
+ if ( softfloat_lt128( sigA.v64, sigA.v0, sigB.v64, sigB.v0 ) ) {
+ --expZ;
+ rem = softfloat_add128( sigA.v64, sigA.v0, sigA.v64, sigA.v0 );
+ }
+ recip32 = softfloat_approxRecip32_1( sigB.v64>>17 );
+ ix = 3;
+ for (;;) {
+ q64 = (uint_fast64_t) (uint32_t) (rem.v64>>19) * recip32;
+ q = (q64 + 0x80000000)>>32;
+ --ix;
+ if ( ix < 0 ) break;
+ rem = softfloat_shortShiftLeft128( rem.v64, rem.v0, 29 );
+ term = softfloat_mul128By32( sigB.v64, sigB.v0, q );
+ rem = softfloat_sub128( rem.v64, rem.v0, term.v64, term.v0 );
+ if ( rem.v64 & UINT64_C( 0x8000000000000000 ) ) {
+ --q;
+ rem = softfloat_add128( rem.v64, rem.v0, sigB.v64, sigB.v0 );
+ }
+ qs[ix] = q;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ((q + 1) & 7) < 2 ) {
+ rem = softfloat_shortShiftLeft128( rem.v64, rem.v0, 29 );
+ term = softfloat_mul128By32( sigB.v64, sigB.v0, q );
+ rem = softfloat_sub128( rem.v64, rem.v0, term.v64, term.v0 );
+ if ( rem.v64 & UINT64_C( 0x8000000000000000 ) ) {
+ --q;
+ rem = softfloat_add128( rem.v64, rem.v0, sigB.v64, sigB.v0 );
+ } else if ( softfloat_le128( sigB.v64, sigB.v0, rem.v64, rem.v0 ) ) {
+ ++q;
+ rem = softfloat_sub128( rem.v64, rem.v0, sigB.v64, sigB.v0 );
+ }
+ if ( rem.v64 | rem.v0 ) q |= 1;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sigZExtra = (uint64_t) ((uint_fast64_t) q<<60);
+ term = softfloat_shortShiftLeft128( 0, qs[1], 54 );
+ sigZ =
+ softfloat_add128(
+ (uint_fast64_t) qs[2]<<19, ((uint_fast64_t) qs[0]<<25) + (q>>4),
+ term.v64, term.v0
+ );
+ return
+ softfloat_roundPackToF128( signZ, expZ, sigZ.v64, sigZ.v0, sigZExtra );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF128UI( uiA64, uiA0, uiB64, uiB0 );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ.v64 = defaultNaNF128UI64;
+ uiZ.v0 = defaultNaNF128UI0;
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ infinity:
+ uiZ.v64 = packToF128UI64( signZ, 0x7FFF, 0 );
+ goto uiZ0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zero:
+ uiZ.v64 = packToF128UI64( signZ, 0, 0 );
+ uiZ0:
+ uiZ.v0 = 0;
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f128_eq.c b/ext/softfloat/f128_eq.c
new file mode 100644
index 0000000..6466888
--- /dev/null
+++ b/ext/softfloat/f128_eq.c
@@ -0,0 +1,74 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f128_eq( float128_t a, float128_t b )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ union ui128_f128 uB;
+ uint_fast64_t uiB64, uiB0;
+
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ uB.f = b;
+ uiB64 = uB.ui.v64;
+ uiB0 = uB.ui.v0;
+ if ( isNaNF128UI( uiA64, uiA0 ) || isNaNF128UI( uiB64, uiB0 ) ) {
+ if (
+ softfloat_isSigNaNF128UI( uiA64, uiA0 )
+ || softfloat_isSigNaNF128UI( uiB64, uiB0 )
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return false;
+ }
+ return
+ (uiA0 == uiB0)
+ && ( (uiA64 == uiB64)
+ || (! uiA0 && ! ((uiA64 | uiB64) & UINT64_C( 0x7FFFFFFFFFFFFFFF )))
+ );
+
+}
+
diff --git a/ext/softfloat/f128_eq_signaling.c b/ext/softfloat/f128_eq_signaling.c
new file mode 100644
index 0000000..03af7e0
--- /dev/null
+++ b/ext/softfloat/f128_eq_signaling.c
@@ -0,0 +1,68 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+bool f128_eq_signaling( float128_t a, float128_t b )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ union ui128_f128 uB;
+ uint_fast64_t uiB64, uiB0;
+
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ uB.f = b;
+ uiB64 = uB.ui.v64;
+ uiB0 = uB.ui.v0;
+ if ( isNaNF128UI( uiA64, uiA0 ) || isNaNF128UI( uiB64, uiB0 ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return false;
+ }
+ return
+ (uiA0 == uiB0)
+ && ( (uiA64 == uiB64)
+ || (! uiA0 && ! ((uiA64 | uiB64) & UINT64_C( 0x7FFFFFFFFFFFFFFF )))
+ );
+
+}
+
diff --git a/ext/softfloat/f128_isSignalingNaN.c b/ext/softfloat/f128_isSignalingNaN.c
new file mode 100644
index 0000000..54a5764
--- /dev/null
+++ b/ext/softfloat/f128_isSignalingNaN.c
@@ -0,0 +1,52 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f128_isSignalingNaN( float128_t a )
+{
+ union ui128_f128 uA;
+
+ uA.f = a;
+ return softfloat_isSigNaNF128UI( uA.ui.v64, uA.ui.v0 );
+
+}
+
diff --git a/ext/softfloat/f128_le.c b/ext/softfloat/f128_le.c
new file mode 100644
index 0000000..15f8fa3
--- /dev/null
+++ b/ext/softfloat/f128_le.c
@@ -0,0 +1,73 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+bool f128_le( float128_t a, float128_t b )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ union ui128_f128 uB;
+ uint_fast64_t uiB64, uiB0;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ uB.f = b;
+ uiB64 = uB.ui.v64;
+ uiB0 = uB.ui.v0;
+ if ( isNaNF128UI( uiA64, uiA0 ) || isNaNF128UI( uiB64, uiB0 ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return false;
+ }
+ signA = signF128UI64( uiA64 );
+ signB = signF128UI64( uiB64 );
+ return
+ (signA != signB)
+ ? signA
+ || ! (((uiA64 | uiB64) & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ | uiA0 | uiB0)
+ : ((uiA64 == uiB64) && (uiA0 == uiB0))
+ || (signA ^ softfloat_lt128( uiA64, uiA0, uiB64, uiB0 ));
+
+}
+
diff --git a/ext/softfloat/f128_le_quiet.c b/ext/softfloat/f128_le_quiet.c
new file mode 100644
index 0000000..f5a98cc
--- /dev/null
+++ b/ext/softfloat/f128_le_quiet.c
@@ -0,0 +1,79 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f128_le_quiet( float128_t a, float128_t b )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ union ui128_f128 uB;
+ uint_fast64_t uiB64, uiB0;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ uB.f = b;
+ uiB64 = uB.ui.v64;
+ uiB0 = uB.ui.v0;
+ if ( isNaNF128UI( uiA64, uiA0 ) || isNaNF128UI( uiB64, uiB0 ) ) {
+ if (
+ softfloat_isSigNaNF128UI( uiA64, uiA0 )
+ || softfloat_isSigNaNF128UI( uiB64, uiB0 )
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return false;
+ }
+ signA = signF128UI64( uiA64 );
+ signB = signF128UI64( uiB64 );
+ return
+ (signA != signB)
+ ? signA
+ || ! (((uiA64 | uiB64) & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ | uiA0 | uiB0)
+ : ((uiA64 == uiB64) && (uiA0 == uiB0))
+ || (signA ^ softfloat_lt128( uiA64, uiA0, uiB64, uiB0 ));
+
+}
+
diff --git a/ext/softfloat/f128_lt.c b/ext/softfloat/f128_lt.c
new file mode 100644
index 0000000..b176cc3
--- /dev/null
+++ b/ext/softfloat/f128_lt.c
@@ -0,0 +1,73 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+bool f128_lt( float128_t a, float128_t b )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ union ui128_f128 uB;
+ uint_fast64_t uiB64, uiB0;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ uB.f = b;
+ uiB64 = uB.ui.v64;
+ uiB0 = uB.ui.v0;
+ if ( isNaNF128UI( uiA64, uiA0 ) || isNaNF128UI( uiB64, uiB0 ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return false;
+ }
+ signA = signF128UI64( uiA64 );
+ signB = signF128UI64( uiB64 );
+ return
+ (signA != signB)
+ ? signA
+ && (((uiA64 | uiB64) & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ | uiA0 | uiB0)
+ : ((uiA64 != uiB64) || (uiA0 != uiB0))
+ && (signA ^ softfloat_lt128( uiA64, uiA0, uiB64, uiB0 ));
+
+}
+
diff --git a/ext/softfloat/f128_lt_quiet.c b/ext/softfloat/f128_lt_quiet.c
new file mode 100644
index 0000000..129c2cd
--- /dev/null
+++ b/ext/softfloat/f128_lt_quiet.c
@@ -0,0 +1,79 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f128_lt_quiet( float128_t a, float128_t b )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ union ui128_f128 uB;
+ uint_fast64_t uiB64, uiB0;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ uB.f = b;
+ uiB64 = uB.ui.v64;
+ uiB0 = uB.ui.v0;
+ if ( isNaNF128UI( uiA64, uiA0 ) || isNaNF128UI( uiB64, uiB0 ) ) {
+ if (
+ softfloat_isSigNaNF128UI( uiA64, uiA0 )
+ || softfloat_isSigNaNF128UI( uiB64, uiB0 )
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return false;
+ }
+ signA = signF128UI64( uiA64 );
+ signB = signF128UI64( uiB64 );
+ return
+ (signA != signB)
+ ? signA
+ && (((uiA64 | uiB64) & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ | uiA0 | uiB0)
+ : ((uiA64 != uiB64) || (uiA0 != uiB0))
+ && (signA ^ softfloat_lt128( uiA64, uiA0, uiB64, uiB0 ));
+
+}
+
diff --git a/ext/softfloat/f128_mul.c b/ext/softfloat/f128_mul.c
new file mode 100644
index 0000000..cb5b191
--- /dev/null
+++ b/ext/softfloat/f128_mul.c
@@ -0,0 +1,164 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float128_t f128_mul( float128_t a, float128_t b )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool signA;
+ int_fast32_t expA;
+ struct uint128 sigA;
+ union ui128_f128 uB;
+ uint_fast64_t uiB64, uiB0;
+ bool signB;
+ int_fast32_t expB;
+ struct uint128 sigB;
+ bool signZ;
+ uint_fast64_t magBits;
+ struct exp32_sig128 normExpSig;
+ int_fast32_t expZ;
+ uint64_t sig256Z[4];
+ uint_fast64_t sigZExtra;
+ struct uint128 sigZ;
+ struct uint128_extra sig128Extra;
+ struct uint128 uiZ;
+ union ui128_f128 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ signA = signF128UI64( uiA64 );
+ expA = expF128UI64( uiA64 );
+ sigA.v64 = fracF128UI64( uiA64 );
+ sigA.v0 = uiA0;
+ uB.f = b;
+ uiB64 = uB.ui.v64;
+ uiB0 = uB.ui.v0;
+ signB = signF128UI64( uiB64 );
+ expB = expF128UI64( uiB64 );
+ sigB.v64 = fracF128UI64( uiB64 );
+ sigB.v0 = uiB0;
+ signZ = signA ^ signB;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x7FFF ) {
+ if (
+ (sigA.v64 | sigA.v0) || ((expB == 0x7FFF) && (sigB.v64 | sigB.v0))
+ ) {
+ goto propagateNaN;
+ }
+ magBits = expB | sigB.v64 | sigB.v0;
+ goto infArg;
+ }
+ if ( expB == 0x7FFF ) {
+ if ( sigB.v64 | sigB.v0 ) goto propagateNaN;
+ magBits = expA | sigA.v64 | sigA.v0;
+ goto infArg;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) {
+ if ( ! (sigA.v64 | sigA.v0) ) goto zero;
+ normExpSig = softfloat_normSubnormalF128Sig( sigA.v64, sigA.v0 );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ if ( ! expB ) {
+ if ( ! (sigB.v64 | sigB.v0) ) goto zero;
+ normExpSig = softfloat_normSubnormalF128Sig( sigB.v64, sigB.v0 );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = expA + expB - 0x4000;
+ sigA.v64 |= UINT64_C( 0x0001000000000000 );
+ sigB = softfloat_shortShiftLeft128( sigB.v64, sigB.v0, 16 );
+ softfloat_mul128To256M( sigA.v64, sigA.v0, sigB.v64, sigB.v0, sig256Z );
+ sigZExtra = sig256Z[indexWord( 4, 1 )] | (sig256Z[indexWord( 4, 0 )] != 0);
+ sigZ =
+ softfloat_add128(
+ sig256Z[indexWord( 4, 3 )], sig256Z[indexWord( 4, 2 )],
+ sigA.v64, sigA.v0
+ );
+ if ( UINT64_C( 0x0002000000000000 ) <= sigZ.v64 ) {
+ ++expZ;
+ sig128Extra =
+ softfloat_shortShiftRightJam128Extra(
+ sigZ.v64, sigZ.v0, sigZExtra, 1 );
+ sigZ = sig128Extra.v;
+ sigZExtra = sig128Extra.extra;
+ }
+ return
+ softfloat_roundPackToF128( signZ, expZ, sigZ.v64, sigZ.v0, sigZExtra );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF128UI( uiA64, uiA0, uiB64, uiB0 );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ infArg:
+ if ( ! magBits ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ.v64 = defaultNaNF128UI64;
+ uiZ.v0 = defaultNaNF128UI0;
+ goto uiZ;
+ }
+ uiZ.v64 = packToF128UI64( signZ, 0x7FFF, 0 );
+ goto uiZ0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zero:
+ uiZ.v64 = packToF128UI64( signZ, 0, 0 );
+ uiZ0:
+ uiZ.v0 = 0;
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f128_mulAdd.c b/ext/softfloat/f128_mulAdd.c
new file mode 100644
index 0000000..5655b88
--- /dev/null
+++ b/ext/softfloat/f128_mulAdd.c
@@ -0,0 +1,64 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float128_t f128_mulAdd( float128_t a, float128_t b, float128_t c )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ union ui128_f128 uB;
+ uint_fast64_t uiB64, uiB0;
+ union ui128_f128 uC;
+ uint_fast64_t uiC64, uiC0;
+
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ uB.f = b;
+ uiB64 = uB.ui.v64;
+ uiB0 = uB.ui.v0;
+ uC.f = c;
+ uiC64 = uC.ui.v64;
+ uiC0 = uC.ui.v0;
+ return softfloat_mulAddF128( uiA64, uiA0, uiB64, uiB0, uiC64, uiC0, 0 );
+
+}
+
diff --git a/ext/softfloat/f128_rem.c b/ext/softfloat/f128_rem.c
new file mode 100644
index 0000000..b2dcdd6
--- /dev/null
+++ b/ext/softfloat/f128_rem.c
@@ -0,0 +1,191 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float128_t f128_rem( float128_t a, float128_t b )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool signA;
+ int_fast32_t expA;
+ struct uint128 sigA;
+ union ui128_f128 uB;
+ uint_fast64_t uiB64, uiB0;
+ int_fast32_t expB;
+ struct uint128 sigB;
+ struct exp32_sig128 normExpSig;
+ struct uint128 rem;
+ int_fast32_t expDiff;
+ uint_fast32_t q, recip32;
+ uint_fast64_t q64;
+ struct uint128 term, altRem, meanRem;
+ bool signRem;
+ struct uint128 uiZ;
+ union ui128_f128 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ signA = signF128UI64( uiA64 );
+ expA = expF128UI64( uiA64 );
+ sigA.v64 = fracF128UI64( uiA64 );
+ sigA.v0 = uiA0;
+ uB.f = b;
+ uiB64 = uB.ui.v64;
+ uiB0 = uB.ui.v0;
+ expB = expF128UI64( uiB64 );
+ sigB.v64 = fracF128UI64( uiB64 );
+ sigB.v0 = uiB0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x7FFF ) {
+ if (
+ (sigA.v64 | sigA.v0) || ((expB == 0x7FFF) && (sigB.v64 | sigB.v0))
+ ) {
+ goto propagateNaN;
+ }
+ goto invalid;
+ }
+ if ( expB == 0x7FFF ) {
+ if ( sigB.v64 | sigB.v0 ) goto propagateNaN;
+ return a;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expB ) {
+ if ( ! (sigB.v64 | sigB.v0) ) goto invalid;
+ normExpSig = softfloat_normSubnormalF128Sig( sigB.v64, sigB.v0 );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ if ( ! expA ) {
+ if ( ! (sigA.v64 | sigA.v0) ) return a;
+ normExpSig = softfloat_normSubnormalF128Sig( sigA.v64, sigA.v0 );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sigA.v64 |= UINT64_C( 0x0001000000000000 );
+ sigB.v64 |= UINT64_C( 0x0001000000000000 );
+ rem = sigA;
+ expDiff = expA - expB;
+ if ( expDiff < 1 ) {
+ if ( expDiff < -1 ) return a;
+ if ( expDiff ) {
+ --expB;
+ sigB = softfloat_add128( sigB.v64, sigB.v0, sigB.v64, sigB.v0 );
+ q = 0;
+ } else {
+ q = softfloat_le128( sigB.v64, sigB.v0, rem.v64, rem.v0 );
+ if ( q ) {
+ rem = softfloat_sub128( rem.v64, rem.v0, sigB.v64, sigB.v0 );
+ }
+ }
+ } else {
+ recip32 = softfloat_approxRecip32_1( sigB.v64>>17 );
+ expDiff -= 30;
+ for (;;) {
+ q64 = (uint_fast64_t) (uint32_t) (rem.v64>>19) * recip32;
+ if ( expDiff < 0 ) break;
+ q = (q64 + 0x80000000)>>32;
+ rem = softfloat_shortShiftLeft128( rem.v64, rem.v0, 29 );
+ term = softfloat_mul128By32( sigB.v64, sigB.v0, q );
+ rem = softfloat_sub128( rem.v64, rem.v0, term.v64, term.v0 );
+ if ( rem.v64 & UINT64_C( 0x8000000000000000 ) ) {
+ rem = softfloat_add128( rem.v64, rem.v0, sigB.v64, sigB.v0 );
+ }
+ expDiff -= 29;
+ }
+ /*--------------------------------------------------------------------
+ | (`expDiff' cannot be less than -29 here.)
+ *--------------------------------------------------------------------*/
+ q = (uint32_t) (q64>>32)>>(~expDiff & 31);
+ rem = softfloat_shortShiftLeft128( rem.v64, rem.v0, expDiff + 30 );
+ term = softfloat_mul128By32( sigB.v64, sigB.v0, q );
+ rem = softfloat_sub128( rem.v64, rem.v0, term.v64, term.v0 );
+ if ( rem.v64 & UINT64_C( 0x8000000000000000 ) ) {
+ altRem = softfloat_add128( rem.v64, rem.v0, sigB.v64, sigB.v0 );
+ goto selectRem;
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ do {
+ altRem = rem;
+ ++q;
+ rem = softfloat_sub128( rem.v64, rem.v0, sigB.v64, sigB.v0 );
+ } while ( ! (rem.v64 & UINT64_C( 0x8000000000000000 )) );
+ selectRem:
+ meanRem = softfloat_add128( rem.v64, rem.v0, altRem.v64, altRem.v0 );
+ if (
+ (meanRem.v64 & UINT64_C( 0x8000000000000000 ))
+ || (! (meanRem.v64 | meanRem.v0) && (q & 1))
+ ) {
+ rem = altRem;
+ }
+ signRem = signA;
+ if ( rem.v64 & UINT64_C( 0x8000000000000000 ) ) {
+ signRem = ! signRem;
+ rem = softfloat_sub128( 0, 0, rem.v64, rem.v0 );
+ }
+ return softfloat_normRoundPackToF128( signRem, expB - 1, rem.v64, rem.v0 );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF128UI( uiA64, uiA0, uiB64, uiB0 );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ.v64 = defaultNaNF128UI64;
+ uiZ.v0 = defaultNaNF128UI0;
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f128_roundToInt.c b/ext/softfloat/f128_roundToInt.c
new file mode 100644
index 0000000..a321aff
--- /dev/null
+++ b/ext/softfloat/f128_roundToInt.c
@@ -0,0 +1,161 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2017 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float128_t
+ f128_roundToInt( float128_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ int_fast32_t exp;
+ struct uint128 uiZ;
+ uint_fast64_t lastBitMask, roundBitsMask;
+ bool roundNearEven;
+ union ui128_f128 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ exp = expF128UI64( uiA64 );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0x402F <= exp ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( 0x406F <= exp ) {
+ if ( (exp == 0x7FFF) && (fracF128UI64( uiA64 ) | uiA0) ) {
+ uiZ = softfloat_propagateNaNF128UI( uiA64, uiA0, 0, 0 );
+ goto uiZ;
+ }
+ return a;
+ }
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ lastBitMask = (uint_fast64_t) 2<<(0x406E - exp);
+ roundBitsMask = lastBitMask - 1;
+ uiZ.v64 = uiA64;
+ uiZ.v0 = uiA0;
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ if ( roundNearEven || (roundingMode == softfloat_round_near_maxMag) ) {
+ if ( exp == 0x402F ) {
+ if ( UINT64_C( 0x8000000000000000 ) <= uiZ.v0 ) {
+ ++uiZ.v64;
+ if (
+ roundNearEven
+ && (uiZ.v0 == UINT64_C( 0x8000000000000000 ))
+ ) {
+ uiZ.v64 &= ~1;
+ }
+ }
+ } else {
+ uiZ = softfloat_add128( uiZ.v64, uiZ.v0, 0, lastBitMask>>1 );
+ if ( roundNearEven && ! (uiZ.v0 & roundBitsMask) ) {
+ uiZ.v0 &= ~lastBitMask;
+ }
+ }
+ } else if (
+ roundingMode
+ == (signF128UI64( uiZ.v64 ) ? softfloat_round_min
+ : softfloat_round_max)
+ ) {
+ uiZ = softfloat_add128( uiZ.v64, uiZ.v0, 0, roundBitsMask );
+ }
+ uiZ.v0 &= ~roundBitsMask;
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( exp < 0x3FFF ) {
+ if ( ! ((uiA64 & UINT64_C( 0x7FFFFFFFFFFFFFFF )) | uiA0) ) {
+ return a;
+ }
+ if ( exact ) softfloat_exceptionFlags |= softfloat_flag_inexact;
+ uiZ.v64 = uiA64 & packToF128UI64( 1, 0, 0 );
+ uiZ.v0 = 0;
+ switch ( roundingMode ) {
+ case softfloat_round_near_even:
+ if ( ! (fracF128UI64( uiA64 ) | uiA0) ) break;
+ case softfloat_round_near_maxMag:
+ if ( exp == 0x3FFE ) uiZ.v64 |= packToF128UI64( 0, 0x3FFF, 0 );
+ break;
+ case softfloat_round_min:
+ if ( uiZ.v64 ) uiZ.v64 = packToF128UI64( 1, 0x3FFF, 0 );
+ break;
+ case softfloat_round_max:
+ if ( ! uiZ.v64 ) uiZ.v64 = packToF128UI64( 0, 0x3FFF, 0 );
+ break;
+ }
+ goto uiZ;
+ }
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ uiZ.v64 = uiA64;
+ uiZ.v0 = 0;
+ lastBitMask = (uint_fast64_t) 1<<(0x402F - exp);
+ roundBitsMask = lastBitMask - 1;
+ if ( roundingMode == softfloat_round_near_maxMag ) {
+ uiZ.v64 += lastBitMask>>1;
+ } else if ( roundingMode == softfloat_round_near_even ) {
+ uiZ.v64 += lastBitMask>>1;
+ if ( ! ((uiZ.v64 & roundBitsMask) | uiA0) ) {
+ uiZ.v64 &= ~lastBitMask;
+ }
+ } else if (
+ roundingMode
+ == (signF128UI64( uiZ.v64 ) ? softfloat_round_min
+ : softfloat_round_max)
+ ) {
+ uiZ.v64 = (uiZ.v64 | (uiA0 != 0)) + roundBitsMask;
+ }
+ uiZ.v64 &= ~roundBitsMask;
+ }
+ if ( exact && ((uiZ.v64 != uiA64) || (uiZ.v0 != uiA0)) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f128_sqrt.c b/ext/softfloat/f128_sqrt.c
new file mode 100644
index 0000000..75af06a
--- /dev/null
+++ b/ext/softfloat/f128_sqrt.c
@@ -0,0 +1,202 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float128_t f128_sqrt( float128_t a )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool signA;
+ int_fast32_t expA;
+ struct uint128 sigA, uiZ;
+ struct exp32_sig128 normExpSig;
+ int_fast32_t expZ;
+ uint_fast32_t sig32A, recipSqrt32, sig32Z;
+ struct uint128 rem;
+ uint32_t qs[3];
+ uint_fast32_t q;
+ uint_fast64_t x64, sig64Z;
+ struct uint128 y, term;
+ uint_fast64_t sigZExtra;
+ struct uint128 sigZ;
+ union ui128_f128 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ signA = signF128UI64( uiA64 );
+ expA = expF128UI64( uiA64 );
+ sigA.v64 = fracF128UI64( uiA64 );
+ sigA.v0 = uiA0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x7FFF ) {
+ if ( sigA.v64 | sigA.v0 ) {
+ uiZ = softfloat_propagateNaNF128UI( uiA64, uiA0, 0, 0 );
+ goto uiZ;
+ }
+ if ( ! signA ) return a;
+ goto invalid;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( signA ) {
+ if ( ! (expA | sigA.v64 | sigA.v0) ) return a;
+ goto invalid;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) {
+ if ( ! (sigA.v64 | sigA.v0) ) return a;
+ normExpSig = softfloat_normSubnormalF128Sig( sigA.v64, sigA.v0 );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ | (`sig32Z' is guaranteed to be a lower bound on the square root of
+ | `sig32A', which makes `sig32Z' also a lower bound on the square root of
+ | `sigA'.)
+ *------------------------------------------------------------------------*/
+ expZ = ((expA - 0x3FFF)>>1) + 0x3FFE;
+ expA &= 1;
+ sigA.v64 |= UINT64_C( 0x0001000000000000 );
+ sig32A = sigA.v64>>17;
+ recipSqrt32 = softfloat_approxRecipSqrt32_1( expA, sig32A );
+ sig32Z = ((uint_fast64_t) sig32A * recipSqrt32)>>32;
+ if ( expA ) {
+ sig32Z >>= 1;
+ rem = softfloat_shortShiftLeft128( sigA.v64, sigA.v0, 12 );
+ } else {
+ rem = softfloat_shortShiftLeft128( sigA.v64, sigA.v0, 13 );
+ }
+ qs[2] = sig32Z;
+ rem.v64 -= (uint_fast64_t) sig32Z * sig32Z;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ q = ((uint32_t) (rem.v64>>2) * (uint_fast64_t) recipSqrt32)>>32;
+ x64 = (uint_fast64_t) sig32Z<<32;
+ sig64Z = x64 + ((uint_fast64_t) q<<3);
+ y = softfloat_shortShiftLeft128( rem.v64, rem.v0, 29 );
+ /*------------------------------------------------------------------------
+ | (Repeating this loop is a rare occurrence.)
+ *------------------------------------------------------------------------*/
+ for (;;) {
+ term = softfloat_mul64ByShifted32To128( x64 + sig64Z, q );
+ rem = softfloat_sub128( y.v64, y.v0, term.v64, term.v0 );
+ if ( ! (rem.v64 & UINT64_C( 0x8000000000000000 )) ) break;
+ --q;
+ sig64Z -= 1<<3;
+ }
+ qs[1] = q;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ q = ((rem.v64>>2) * recipSqrt32)>>32;
+ y = softfloat_shortShiftLeft128( rem.v64, rem.v0, 29 );
+ sig64Z <<= 1;
+ /*------------------------------------------------------------------------
+ | (Repeating this loop is a rare occurrence.)
+ *------------------------------------------------------------------------*/
+ for (;;) {
+ term = softfloat_shortShiftLeft128( 0, sig64Z, 32 );
+ term = softfloat_add128( term.v64, term.v0, 0, (uint_fast64_t) q<<6 );
+ term = softfloat_mul128By32( term.v64, term.v0, q );
+ rem = softfloat_sub128( y.v64, y.v0, term.v64, term.v0 );
+ if ( ! (rem.v64 & UINT64_C( 0x8000000000000000 )) ) break;
+ --q;
+ }
+ qs[0] = q;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ q = (((rem.v64>>2) * recipSqrt32)>>32) + 2;
+ sigZExtra = (uint64_t) ((uint_fast64_t) q<<59);
+ term = softfloat_shortShiftLeft128( 0, qs[1], 53 );
+ sigZ =
+ softfloat_add128(
+ (uint_fast64_t) qs[2]<<18, ((uint_fast64_t) qs[0]<<24) + (q>>5),
+ term.v64, term.v0
+ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( (q & 0xF) <= 2 ) {
+ q &= ~3;
+ sigZExtra = (uint64_t) ((uint_fast64_t) q<<59);
+ y = softfloat_shortShiftLeft128( sigZ.v64, sigZ.v0, 6 );
+ y.v0 |= sigZExtra>>58;
+ term = softfloat_sub128( y.v64, y.v0, 0, q );
+ y = softfloat_mul64ByShifted32To128( term.v0, q );
+ term = softfloat_mul64ByShifted32To128( term.v64, q );
+ term = softfloat_add128( term.v64, term.v0, 0, y.v64 );
+ rem = softfloat_shortShiftLeft128( rem.v64, rem.v0, 20 );
+ term = softfloat_sub128( term.v64, term.v0, rem.v64, rem.v0 );
+ /*--------------------------------------------------------------------
+ | The concatenation of `term' and `y.v0' is now the negative remainder
+ | (3 words altogether).
+ *--------------------------------------------------------------------*/
+ if ( term.v64 & UINT64_C( 0x8000000000000000 ) ) {
+ sigZExtra |= 1;
+ } else {
+ if ( term.v64 | term.v0 | y.v0 ) {
+ if ( sigZExtra ) {
+ --sigZExtra;
+ } else {
+ sigZ = softfloat_sub128( sigZ.v64, sigZ.v0, 0, 1 );
+ sigZExtra = ~0;
+ }
+ }
+ }
+ }
+ return softfloat_roundPackToF128( 0, expZ, sigZ.v64, sigZ.v0, sigZExtra );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ.v64 = defaultNaNF128UI64;
+ uiZ.v0 = defaultNaNF128UI0;
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f128_sub.c b/ext/softfloat/f128_sub.c
new file mode 100644
index 0000000..5005177
--- /dev/null
+++ b/ext/softfloat/f128_sub.c
@@ -0,0 +1,79 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float128_t f128_sub( float128_t a, float128_t b )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool signA;
+ union ui128_f128 uB;
+ uint_fast64_t uiB64, uiB0;
+ bool signB;
+#if ! defined INLINE_LEVEL || (INLINE_LEVEL < 2)
+ float128_t
+ (*magsFuncPtr)(
+ uint_fast64_t, uint_fast64_t, uint_fast64_t, uint_fast64_t, bool );
+#endif
+
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ signA = signF128UI64( uiA64 );
+ uB.f = b;
+ uiB64 = uB.ui.v64;
+ uiB0 = uB.ui.v0;
+ signB = signF128UI64( uiB64 );
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+ if ( signA == signB ) {
+ return softfloat_subMagsF128( uiA64, uiA0, uiB64, uiB0, signA );
+ } else {
+ return softfloat_addMagsF128( uiA64, uiA0, uiB64, uiB0, signA );
+ }
+#else
+ magsFuncPtr =
+ (signA == signB) ? softfloat_subMagsF128 : softfloat_addMagsF128;
+ return (*magsFuncPtr)( uiA64, uiA0, uiB64, uiB0, signA );
+#endif
+
+}
+
diff --git a/ext/softfloat/f128_to_f16.c b/ext/softfloat/f128_to_f16.c
new file mode 100644
index 0000000..e929b22
--- /dev/null
+++ b/ext/softfloat/f128_to_f16.c
@@ -0,0 +1,96 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float16_t f128_to_f16( float128_t a )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool sign;
+ int_fast32_t exp;
+ uint_fast64_t frac64;
+ struct commonNaN commonNaN;
+ uint_fast16_t uiZ, frac16;
+ union ui16_f16 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ sign = signF128UI64( uiA64 );
+ exp = expF128UI64( uiA64 );
+ frac64 = fracF128UI64( uiA64 ) | (uiA0 != 0);
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x7FFF ) {
+ if ( frac64 ) {
+ softfloat_f128UIToCommonNaN( uiA64, uiA0, &commonNaN );
+ uiZ = softfloat_commonNaNToF16UI( &commonNaN );
+ } else {
+ uiZ = packToF16UI( sign, 0x1F, 0 );
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ frac16 = softfloat_shortShiftRightJam64( frac64, 34 );
+ if ( ! (exp | frac16) ) {
+ uiZ = packToF16UI( sign, 0, 0 );
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ exp -= 0x3FF1;
+ if ( sizeof (int_fast16_t) < sizeof (int_fast32_t) ) {
+ if ( exp < -0x40 ) exp = -0x40;
+ }
+ return softfloat_roundPackToF16( sign, exp, frac16 | 0x4000 );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f128_to_f32.c b/ext/softfloat/f128_to_f32.c
new file mode 100644
index 0000000..4289d4c
--- /dev/null
+++ b/ext/softfloat/f128_to_f32.c
@@ -0,0 +1,96 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float32_t f128_to_f32( float128_t a )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool sign;
+ int_fast32_t exp;
+ uint_fast64_t frac64;
+ struct commonNaN commonNaN;
+ uint_fast32_t uiZ, frac32;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ sign = signF128UI64( uiA64 );
+ exp = expF128UI64( uiA64 );
+ frac64 = fracF128UI64( uiA64 ) | (uiA0 != 0);
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x7FFF ) {
+ if ( frac64 ) {
+ softfloat_f128UIToCommonNaN( uiA64, uiA0, &commonNaN );
+ uiZ = softfloat_commonNaNToF32UI( &commonNaN );
+ } else {
+ uiZ = packToF32UI( sign, 0xFF, 0 );
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ frac32 = softfloat_shortShiftRightJam64( frac64, 18 );
+ if ( ! (exp | frac32) ) {
+ uiZ = packToF32UI( sign, 0, 0 );
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ exp -= 0x3F81;
+ if ( sizeof (int_fast16_t) < sizeof (int_fast32_t) ) {
+ if ( exp < -0x1000 ) exp = -0x1000;
+ }
+ return softfloat_roundPackToF32( sign, exp, frac32 | 0x40000000 );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f128_to_f64.c b/ext/softfloat/f128_to_f64.c
new file mode 100644
index 0000000..1fdb258
--- /dev/null
+++ b/ext/softfloat/f128_to_f64.c
@@ -0,0 +1,101 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float64_t f128_to_f64( float128_t a )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool sign;
+ int_fast32_t exp;
+ uint_fast64_t frac64, frac0;
+ struct commonNaN commonNaN;
+ uint_fast64_t uiZ;
+ struct uint128 frac128;
+ union ui64_f64 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ sign = signF128UI64( uiA64 );
+ exp = expF128UI64( uiA64 );
+ frac64 = fracF128UI64( uiA64 );
+ frac0 = uiA0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x7FFF ) {
+ if ( frac64 | frac0 ) {
+ softfloat_f128UIToCommonNaN( uiA64, uiA0, &commonNaN );
+ uiZ = softfloat_commonNaNToF64UI( &commonNaN );
+ } else {
+ uiZ = packToF64UI( sign, 0x7FF, 0 );
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ frac128 = softfloat_shortShiftLeft128( frac64, frac0, 14 );
+ frac64 = frac128.v64 | (frac128.v0 != 0);
+ if ( ! (exp | frac64) ) {
+ uiZ = packToF64UI( sign, 0, 0 );
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ exp -= 0x3C01;
+ if ( sizeof (int_fast16_t) < sizeof (int_fast32_t) ) {
+ if ( exp < -0x1000 ) exp = -0x1000;
+ }
+ return
+ softfloat_roundPackToF64(
+ sign, exp, frac64 | UINT64_C( 0x4000000000000000 ) );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f128_to_i32.c b/ext/softfloat/f128_to_i32.c
new file mode 100644
index 0000000..781fe6c
--- /dev/null
+++ b/ext/softfloat/f128_to_i32.c
@@ -0,0 +1,86 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast32_t f128_to_i32( float128_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool sign;
+ int_fast32_t exp;
+ uint_fast64_t sig64, sig0;
+ int_fast32_t shiftDist;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ sign = signF128UI64( uiA64 );
+ exp = expF128UI64( uiA64 );
+ sig64 = fracF128UI64( uiA64 );
+ sig0 = uiA0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+#if (i32_fromNaN != i32_fromPosOverflow) || (i32_fromNaN != i32_fromNegOverflow)
+ if ( (exp == 0x7FFF) && (sig64 | sig0) ) {
+#if (i32_fromNaN == i32_fromPosOverflow)
+ sign = 0;
+#elif (i32_fromNaN == i32_fromNegOverflow)
+ sign = 1;
+#else
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return i32_fromNaN;
+#endif
+ }
+#endif
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp ) sig64 |= UINT64_C( 0x0001000000000000 );
+ sig64 |= (sig0 != 0);
+ shiftDist = 0x4023 - exp;
+ if ( 0 < shiftDist ) sig64 = softfloat_shiftRightJam64( sig64, shiftDist );
+ return softfloat_roundToI32( sign, sig64, roundingMode, exact );
+
+}
+
diff --git a/ext/softfloat/f128_to_i32_r_minMag.c b/ext/softfloat/f128_to_i32_r_minMag.c
new file mode 100644
index 0000000..d102626
--- /dev/null
+++ b/ext/softfloat/f128_to_i32_r_minMag.c
@@ -0,0 +1,101 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast32_t f128_to_i32_r_minMag( float128_t a, bool exact )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ int_fast32_t exp;
+ uint_fast64_t sig64;
+ int_fast32_t shiftDist;
+ bool sign;
+ int_fast32_t absZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ exp = expF128UI64( uiA64 );
+ sig64 = fracF128UI64( uiA64 ) | (uiA0 != 0);
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0x402F - exp;
+ if ( 49 <= shiftDist ) {
+ if ( exact && (exp | sig64) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sign = signF128UI64( uiA64 );
+ if ( shiftDist < 18 ) {
+ if (
+ sign && (shiftDist == 17)
+ && (sig64 < UINT64_C( 0x0000000000020000 ))
+ ) {
+ if ( exact && sig64 ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return -0x7FFFFFFF - 1;
+ }
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x7FFF) && sig64 ? i32_fromNaN
+ : sign ? i32_fromNegOverflow : i32_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig64 |= UINT64_C( 0x0001000000000000 );
+ absZ = sig64>>shiftDist;
+ if (
+ exact && ((uint_fast64_t) (uint_fast32_t) absZ<<shiftDist != sig64)
+ ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return sign ? -absZ : absZ;
+
+}
+
diff --git a/ext/softfloat/f128_to_i64.c b/ext/softfloat/f128_to_i64.c
new file mode 100644
index 0000000..2ebda20
--- /dev/null
+++ b/ext/softfloat/f128_to_i64.c
@@ -0,0 +1,96 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast64_t f128_to_i64( float128_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool sign;
+ int_fast32_t exp;
+ uint_fast64_t sig64, sig0;
+ int_fast32_t shiftDist;
+ struct uint128 sig128;
+ struct uint64_extra sigExtra;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ sign = signF128UI64( uiA64 );
+ exp = expF128UI64( uiA64 );
+ sig64 = fracF128UI64( uiA64 );
+ sig0 = uiA0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0x402F - exp;
+ if ( shiftDist <= 0 ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( shiftDist < -15 ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x7FFF) && (sig64 | sig0) ? i64_fromNaN
+ : sign ? i64_fromNegOverflow : i64_fromPosOverflow;
+ }
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ sig64 |= UINT64_C( 0x0001000000000000 );
+ if ( shiftDist ) {
+ sig128 = softfloat_shortShiftLeft128( sig64, sig0, -shiftDist );
+ sig64 = sig128.v64;
+ sig0 = sig128.v0;
+ }
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( exp ) sig64 |= UINT64_C( 0x0001000000000000 );
+ sigExtra = softfloat_shiftRightJam64Extra( sig64, sig0, shiftDist );
+ sig64 = sigExtra.v;
+ sig0 = sigExtra.extra;
+ }
+ return softfloat_roundToI64( sign, sig64, sig0, roundingMode, exact );
+
+}
+
diff --git a/ext/softfloat/f128_to_i64_r_minMag.c b/ext/softfloat/f128_to_i64_r_minMag.c
new file mode 100644
index 0000000..e2a6bd4
--- /dev/null
+++ b/ext/softfloat/f128_to_i64_r_minMag.c
@@ -0,0 +1,114 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast64_t f128_to_i64_r_minMag( float128_t a, bool exact )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool sign;
+ int_fast32_t exp;
+ uint_fast64_t sig64, sig0;
+ int_fast32_t shiftDist;
+ int_fast8_t negShiftDist;
+ int_fast64_t absZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ sign = signF128UI64( uiA64 );
+ exp = expF128UI64( uiA64 );
+ sig64 = fracF128UI64( uiA64 );
+ sig0 = uiA0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0x402F - exp;
+ if ( shiftDist < 0 ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( shiftDist < -14 ) {
+ if (
+ (uiA64 == UINT64_C( 0xC03E000000000000 ))
+ && (sig0 < UINT64_C( 0x0002000000000000 ))
+ ) {
+ if ( exact && sig0 ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return -INT64_C( 0x7FFFFFFFFFFFFFFF ) - 1;
+ }
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x7FFF) && (sig64 | sig0) ? i64_fromNaN
+ : sign ? i64_fromNegOverflow : i64_fromPosOverflow;
+ }
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ sig64 |= UINT64_C( 0x0001000000000000 );
+ negShiftDist = -shiftDist;
+ absZ = sig64<<negShiftDist | sig0>>(shiftDist & 63);
+ if ( exact && (uint64_t) (sig0<<negShiftDist) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( 49 <= shiftDist ) {
+ if ( exact && (exp | sig64 | sig0) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ sig64 |= UINT64_C( 0x0001000000000000 );
+ absZ = sig64>>shiftDist;
+ if ( exact && (sig0 || (absZ<<shiftDist != sig64)) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ }
+ return sign ? -absZ : absZ;
+
+}
+
diff --git a/ext/softfloat/f128_to_ui32.c b/ext/softfloat/f128_to_ui32.c
new file mode 100644
index 0000000..2139720
--- /dev/null
+++ b/ext/softfloat/f128_to_ui32.c
@@ -0,0 +1,87 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast32_t
+ f128_to_ui32( float128_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool sign;
+ int_fast32_t exp;
+ uint_fast64_t sig64;
+ int_fast32_t shiftDist;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ sign = signF128UI64( uiA64 );
+ exp = expF128UI64( uiA64 );
+ sig64 = fracF128UI64( uiA64 ) | (uiA0 != 0);
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+#if (ui32_fromNaN != ui32_fromPosOverflow) || (ui32_fromNaN != ui32_fromNegOverflow)
+ if ( (exp == 0x7FFF) && sig64 ) {
+#if (ui32_fromNaN == ui32_fromPosOverflow)
+ sign = 0;
+#elif (ui32_fromNaN == ui32_fromNegOverflow)
+ sign = 1;
+#else
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return ui32_fromNaN;
+#endif
+ }
+#endif
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp ) sig64 |= UINT64_C( 0x0001000000000000 );
+ shiftDist = 0x4023 - exp;
+ if ( 0 < shiftDist ) {
+ sig64 = softfloat_shiftRightJam64( sig64, shiftDist );
+ }
+ return softfloat_roundToUI32( sign, sig64, roundingMode, exact );
+
+}
+
diff --git a/ext/softfloat/f128_to_ui32_r_minMag.c b/ext/softfloat/f128_to_ui32_r_minMag.c
new file mode 100644
index 0000000..84470cd
--- /dev/null
+++ b/ext/softfloat/f128_to_ui32_r_minMag.c
@@ -0,0 +1,90 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast32_t f128_to_ui32_r_minMag( float128_t a, bool exact )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ int_fast32_t exp;
+ uint_fast64_t sig64;
+ int_fast32_t shiftDist;
+ bool sign;
+ uint_fast32_t z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ exp = expF128UI64( uiA64 );
+ sig64 = fracF128UI64( uiA64 ) | (uiA0 != 0);
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0x402F - exp;
+ if ( 49 <= shiftDist ) {
+ if ( exact && (exp | sig64) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sign = signF128UI64( uiA64 );
+ if ( sign || (shiftDist < 17) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x7FFF) && sig64 ? ui32_fromNaN
+ : sign ? ui32_fromNegOverflow : ui32_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig64 |= UINT64_C( 0x0001000000000000 );
+ z = sig64>>shiftDist;
+ if ( exact && ((uint_fast64_t) z<<shiftDist != sig64) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return z;
+
+}
+
diff --git a/ext/softfloat/f128_to_ui64.c b/ext/softfloat/f128_to_ui64.c
new file mode 100644
index 0000000..6f236fb
--- /dev/null
+++ b/ext/softfloat/f128_to_ui64.c
@@ -0,0 +1,97 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast64_t
+ f128_to_ui64( float128_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool sign;
+ int_fast32_t exp;
+ uint_fast64_t sig64, sig0;
+ int_fast32_t shiftDist;
+ struct uint128 sig128;
+ struct uint64_extra sigExtra;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ sign = signF128UI64( uiA64 );
+ exp = expF128UI64( uiA64 );
+ sig64 = fracF128UI64( uiA64 );
+ sig0 = uiA0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0x402F - exp;
+ if ( shiftDist <= 0 ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( shiftDist < -15 ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x7FFF) && (sig64 | sig0) ? ui64_fromNaN
+ : sign ? ui64_fromNegOverflow : ui64_fromPosOverflow;
+ }
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ sig64 |= UINT64_C( 0x0001000000000000 );
+ if ( shiftDist ) {
+ sig128 = softfloat_shortShiftLeft128( sig64, sig0, -shiftDist );
+ sig64 = sig128.v64;
+ sig0 = sig128.v0;
+ }
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( exp ) sig64 |= UINT64_C( 0x0001000000000000 );
+ sigExtra = softfloat_shiftRightJam64Extra( sig64, sig0, shiftDist );
+ sig64 = sigExtra.v;
+ sig0 = sigExtra.extra;
+ }
+ return softfloat_roundToUI64( sign, sig64, sig0, roundingMode, exact );
+
+}
+
diff --git a/ext/softfloat/f128_to_ui64_r_minMag.c b/ext/softfloat/f128_to_ui64_r_minMag.c
new file mode 100644
index 0000000..bc1c230
--- /dev/null
+++ b/ext/softfloat/f128_to_ui64_r_minMag.c
@@ -0,0 +1,106 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast64_t f128_to_ui64_r_minMag( float128_t a, bool exact )
+{
+ union ui128_f128 uA;
+ uint_fast64_t uiA64, uiA0;
+ bool sign;
+ int_fast32_t exp;
+ uint_fast64_t sig64, sig0;
+ int_fast32_t shiftDist;
+ int_fast8_t negShiftDist;
+ uint_fast64_t z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA64 = uA.ui.v64;
+ uiA0 = uA.ui.v0;
+ sign = signF128UI64( uiA64 );
+ exp = expF128UI64( uiA64 );
+ sig64 = fracF128UI64( uiA64 );
+ sig0 = uiA0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0x402F - exp;
+ if ( shiftDist < 0 ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( sign || (shiftDist < -15) ) goto invalid;
+ sig64 |= UINT64_C( 0x0001000000000000 );
+ negShiftDist = -shiftDist;
+ z = sig64<<negShiftDist | sig0>>(shiftDist & 63);
+ if ( exact && (uint64_t) (sig0<<negShiftDist) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( 49 <= shiftDist ) {
+ if ( exact && (exp | sig64 | sig0) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( sign ) goto invalid;
+ sig64 |= UINT64_C( 0x0001000000000000 );
+ z = sig64>>shiftDist;
+ if ( exact && (sig0 || (z<<shiftDist != sig64)) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ }
+ return z;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x7FFF) && (sig64 | sig0) ? ui64_fromNaN
+ : sign ? ui64_fromNegOverflow : ui64_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/f16_add.c b/ext/softfloat/f16_add.c
new file mode 100644
index 0000000..569a7ad
--- /dev/null
+++ b/ext/softfloat/f16_add.c
@@ -0,0 +1,71 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float16_t f16_add( float16_t a, float16_t b )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ union ui16_f16 uB;
+ uint_fast16_t uiB;
+#if ! defined INLINE_LEVEL || (INLINE_LEVEL < 1)
+ float16_t (*magsFuncPtr)( uint_fast16_t, uint_fast16_t );
+#endif
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+#if defined INLINE_LEVEL && (1 <= INLINE_LEVEL)
+ if ( signF16UI( uiA ^ uiB ) ) {
+ return softfloat_subMagsF16( uiA, uiB );
+ } else {
+ return softfloat_addMagsF16( uiA, uiB );
+ }
+#else
+ magsFuncPtr =
+ signF16UI( uiA ^ uiB ) ? softfloat_subMagsF16 : softfloat_addMagsF16;
+ return (*magsFuncPtr)( uiA, uiB );
+#endif
+
+}
+
diff --git a/ext/softfloat/f16_div.c b/ext/softfloat/f16_div.c
new file mode 100644
index 0000000..554ff09
--- /dev/null
+++ b/ext/softfloat/f16_div.c
@@ -0,0 +1,187 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+extern const uint16_t softfloat_approxRecip_1k0s[];
+extern const uint16_t softfloat_approxRecip_1k1s[];
+
+float16_t f16_div( float16_t a, float16_t b )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ bool signA;
+ int_fast8_t expA;
+ uint_fast16_t sigA;
+ union ui16_f16 uB;
+ uint_fast16_t uiB;
+ bool signB;
+ int_fast8_t expB;
+ uint_fast16_t sigB;
+ bool signZ;
+ struct exp8_sig16 normExpSig;
+ int_fast8_t expZ;
+#ifdef SOFTFLOAT_FAST_DIV32TO16
+ uint_fast32_t sig32A;
+ uint_fast16_t sigZ;
+#else
+ int index;
+ uint16_t r0;
+ uint_fast16_t sigZ, rem;
+#endif
+ uint_fast16_t uiZ;
+ union ui16_f16 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF16UI( uiA );
+ expA = expF16UI( uiA );
+ sigA = fracF16UI( uiA );
+ uB.f = b;
+ uiB = uB.ui;
+ signB = signF16UI( uiB );
+ expB = expF16UI( uiB );
+ sigB = fracF16UI( uiB );
+ signZ = signA ^ signB;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x1F ) {
+ if ( sigA ) goto propagateNaN;
+ if ( expB == 0x1F ) {
+ if ( sigB ) goto propagateNaN;
+ goto invalid;
+ }
+ goto infinity;
+ }
+ if ( expB == 0x1F ) {
+ if ( sigB ) goto propagateNaN;
+ goto zero;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expB ) {
+ if ( ! sigB ) {
+ if ( ! (expA | sigA) ) goto invalid;
+ softfloat_raiseFlags( softfloat_flag_infinite );
+ goto infinity;
+ }
+ normExpSig = softfloat_normSubnormalF16Sig( sigB );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ if ( ! expA ) {
+ if ( ! sigA ) goto zero;
+ normExpSig = softfloat_normSubnormalF16Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = expA - expB + 0xE;
+ sigA |= 0x0400;
+ sigB |= 0x0400;
+#ifdef SOFTFLOAT_FAST_DIV32TO16
+ if ( sigA < sigB ) {
+ --expZ;
+ sig32A = (uint_fast32_t) sigA<<15;
+ } else {
+ sig32A = (uint_fast32_t) sigA<<14;
+ }
+ sigZ = sig32A / sigB;
+ if ( ! (sigZ & 7) ) sigZ |= ((uint_fast32_t) sigB * sigZ != sig32A);
+#else
+ if ( sigA < sigB ) {
+ --expZ;
+ sigA <<= 5;
+ } else {
+ sigA <<= 4;
+ }
+ index = sigB>>6 & 0xF;
+ r0 = softfloat_approxRecip_1k0s[index]
+ - (((uint_fast32_t) softfloat_approxRecip_1k1s[index]
+ * (sigB & 0x3F))
+ >>10);
+ sigZ = ((uint_fast32_t) sigA * r0)>>16;
+ rem = (sigA<<10) - sigZ * sigB;
+ sigZ += (rem * (uint_fast32_t) r0)>>26;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ ++sigZ;
+ if ( ! (sigZ & 7) ) {
+ sigZ &= ~1;
+ rem = (sigA<<10) - sigZ * sigB;
+ if ( rem & 0x8000 ) {
+ sigZ -= 2;
+ } else {
+ if ( rem ) sigZ |= 1;
+ }
+ }
+#endif
+ return softfloat_roundPackToF16( signZ, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF16UI( uiA, uiB );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF16UI;
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ infinity:
+ uiZ = packToF16UI( signZ, 0x1F, 0 );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zero:
+ uiZ = packToF16UI( signZ, 0, 0 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f16_eq.c b/ext/softfloat/f16_eq.c
new file mode 100644
index 0000000..ee4b6a8
--- /dev/null
+++ b/ext/softfloat/f16_eq.c
@@ -0,0 +1,67 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f16_eq( float16_t a, float16_t b )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ union ui16_f16 uB;
+ uint_fast16_t uiB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF16UI( uiA ) || isNaNF16UI( uiB ) ) {
+ if (
+ softfloat_isSigNaNF16UI( uiA ) || softfloat_isSigNaNF16UI( uiB )
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return false;
+ }
+ return (uiA == uiB) || ! (uint16_t) ((uiA | uiB)<<1);
+
+}
+
diff --git a/ext/softfloat/f16_eq_signaling.c b/ext/softfloat/f16_eq_signaling.c
new file mode 100644
index 0000000..1c1644e
--- /dev/null
+++ b/ext/softfloat/f16_eq_signaling.c
@@ -0,0 +1,62 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+bool f16_eq_signaling( float16_t a, float16_t b )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ union ui16_f16 uB;
+ uint_fast16_t uiB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF16UI( uiA ) || isNaNF16UI( uiB ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return false;
+ }
+ return (uiA == uiB) || ! (uint16_t) ((uiA | uiB)<<1);
+
+}
+
diff --git a/ext/softfloat/f16_isSignalingNaN.c b/ext/softfloat/f16_isSignalingNaN.c
new file mode 100644
index 0000000..46842b0
--- /dev/null
+++ b/ext/softfloat/f16_isSignalingNaN.c
@@ -0,0 +1,52 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f16_isSignalingNaN( float16_t a )
+{
+ union ui16_f16 uA;
+
+ uA.f = a;
+ return softfloat_isSigNaNF16UI( uA.ui );
+
+}
+
diff --git a/ext/softfloat/f16_le.c b/ext/softfloat/f16_le.c
new file mode 100644
index 0000000..2186653
--- /dev/null
+++ b/ext/softfloat/f16_le.c
@@ -0,0 +1,67 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+bool f16_le( float16_t a, float16_t b )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ union ui16_f16 uB;
+ uint_fast16_t uiB;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF16UI( uiA ) || isNaNF16UI( uiB ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return false;
+ }
+ signA = signF16UI( uiA );
+ signB = signF16UI( uiB );
+ return
+ (signA != signB) ? signA || ! (uint16_t) ((uiA | uiB)<<1)
+ : (uiA == uiB) || (signA ^ (uiA < uiB));
+
+}
+
diff --git a/ext/softfloat/f16_le_quiet.c b/ext/softfloat/f16_le_quiet.c
new file mode 100644
index 0000000..b53ccdb
--- /dev/null
+++ b/ext/softfloat/f16_le_quiet.c
@@ -0,0 +1,72 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f16_le_quiet( float16_t a, float16_t b )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ union ui16_f16 uB;
+ uint_fast16_t uiB;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF16UI( uiA ) || isNaNF16UI( uiB ) ) {
+ if (
+ softfloat_isSigNaNF16UI( uiA ) || softfloat_isSigNaNF16UI( uiB )
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return false;
+ }
+ signA = signF16UI( uiA );
+ signB = signF16UI( uiB );
+ return
+ (signA != signB) ? signA || ! (uint16_t) ((uiA | uiB)<<1)
+ : (uiA == uiB) || (signA ^ (uiA < uiB));
+
+}
+
diff --git a/ext/softfloat/f16_lt.c b/ext/softfloat/f16_lt.c
new file mode 100644
index 0000000..ef9b242
--- /dev/null
+++ b/ext/softfloat/f16_lt.c
@@ -0,0 +1,67 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+bool f16_lt( float16_t a, float16_t b )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ union ui16_f16 uB;
+ uint_fast16_t uiB;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF16UI( uiA ) || isNaNF16UI( uiB ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return false;
+ }
+ signA = signF16UI( uiA );
+ signB = signF16UI( uiB );
+ return
+ (signA != signB) ? signA && ((uint16_t) ((uiA | uiB)<<1) != 0)
+ : (uiA != uiB) && (signA ^ (uiA < uiB));
+
+}
+
diff --git a/ext/softfloat/f16_lt_quiet.c b/ext/softfloat/f16_lt_quiet.c
new file mode 100644
index 0000000..2621e8d
--- /dev/null
+++ b/ext/softfloat/f16_lt_quiet.c
@@ -0,0 +1,72 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f16_lt_quiet( float16_t a, float16_t b )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ union ui16_f16 uB;
+ uint_fast16_t uiB;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF16UI( uiA ) || isNaNF16UI( uiB ) ) {
+ if (
+ softfloat_isSigNaNF16UI( uiA ) || softfloat_isSigNaNF16UI( uiB )
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return false;
+ }
+ signA = signF16UI( uiA );
+ signB = signF16UI( uiB );
+ return
+ (signA != signB) ? signA && ((uint16_t) ((uiA | uiB)<<1) != 0)
+ : (uiA != uiB) && (signA ^ (uiA < uiB));
+
+}
+
diff --git a/ext/softfloat/f16_mul.c b/ext/softfloat/f16_mul.c
new file mode 100644
index 0000000..7990162
--- /dev/null
+++ b/ext/softfloat/f16_mul.c
@@ -0,0 +1,141 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float16_t f16_mul( float16_t a, float16_t b )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ bool signA;
+ int_fast8_t expA;
+ uint_fast16_t sigA;
+ union ui16_f16 uB;
+ uint_fast16_t uiB;
+ bool signB;
+ int_fast8_t expB;
+ uint_fast16_t sigB;
+ bool signZ;
+ uint_fast16_t magBits;
+ struct exp8_sig16 normExpSig;
+ int_fast8_t expZ;
+ uint_fast32_t sig32Z;
+ uint_fast16_t sigZ, uiZ;
+ union ui16_f16 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF16UI( uiA );
+ expA = expF16UI( uiA );
+ sigA = fracF16UI( uiA );
+ uB.f = b;
+ uiB = uB.ui;
+ signB = signF16UI( uiB );
+ expB = expF16UI( uiB );
+ sigB = fracF16UI( uiB );
+ signZ = signA ^ signB;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x1F ) {
+ if ( sigA || ((expB == 0x1F) && sigB) ) goto propagateNaN;
+ magBits = expB | sigB;
+ goto infArg;
+ }
+ if ( expB == 0x1F ) {
+ if ( sigB ) goto propagateNaN;
+ magBits = expA | sigA;
+ goto infArg;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) {
+ if ( ! sigA ) goto zero;
+ normExpSig = softfloat_normSubnormalF16Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ if ( ! expB ) {
+ if ( ! sigB ) goto zero;
+ normExpSig = softfloat_normSubnormalF16Sig( sigB );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = expA + expB - 0xF;
+ sigA = (sigA | 0x0400)<<4;
+ sigB = (sigB | 0x0400)<<5;
+ sig32Z = (uint_fast32_t) sigA * sigB;
+ sigZ = sig32Z>>16;
+ if ( sig32Z & 0xFFFF ) sigZ |= 1;
+ if ( sigZ < 0x4000 ) {
+ --expZ;
+ sigZ <<= 1;
+ }
+ return softfloat_roundPackToF16( signZ, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF16UI( uiA, uiB );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ infArg:
+ if ( ! magBits ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF16UI;
+ } else {
+ uiZ = packToF16UI( signZ, 0x1F, 0 );
+ }
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zero:
+ uiZ = packToF16UI( signZ, 0, 0 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f16_mulAdd.c b/ext/softfloat/f16_mulAdd.c
new file mode 100644
index 0000000..410f4f0
--- /dev/null
+++ b/ext/softfloat/f16_mulAdd.c
@@ -0,0 +1,61 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float16_t f16_mulAdd( float16_t a, float16_t b, float16_t c )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ union ui16_f16 uB;
+ uint_fast16_t uiB;
+ union ui16_f16 uC;
+ uint_fast16_t uiC;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ uC.f = c;
+ uiC = uC.ui;
+ return softfloat_mulAddF16( uiA, uiB, uiC, 0 );
+
+}
+
diff --git a/ext/softfloat/f16_rem.c b/ext/softfloat/f16_rem.c
new file mode 100644
index 0000000..b18c650
--- /dev/null
+++ b/ext/softfloat/f16_rem.c
@@ -0,0 +1,172 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float16_t f16_rem( float16_t a, float16_t b )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ bool signA;
+ int_fast8_t expA;
+ uint_fast16_t sigA;
+ union ui16_f16 uB;
+ uint_fast16_t uiB;
+ int_fast8_t expB;
+ uint_fast16_t sigB;
+ struct exp8_sig16 normExpSig;
+ uint16_t rem;
+ int_fast8_t expDiff;
+ uint_fast16_t q;
+ uint32_t recip32, q32;
+ uint16_t altRem, meanRem;
+ bool signRem;
+ uint_fast16_t uiZ;
+ union ui16_f16 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF16UI( uiA );
+ expA = expF16UI( uiA );
+ sigA = fracF16UI( uiA );
+ uB.f = b;
+ uiB = uB.ui;
+ expB = expF16UI( uiB );
+ sigB = fracF16UI( uiB );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x1F ) {
+ if ( sigA || ((expB == 0x1F) && sigB) ) goto propagateNaN;
+ goto invalid;
+ }
+ if ( expB == 0x1F ) {
+ if ( sigB ) goto propagateNaN;
+ return a;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expB ) {
+ if ( ! sigB ) goto invalid;
+ normExpSig = softfloat_normSubnormalF16Sig( sigB );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ if ( ! expA ) {
+ if ( ! sigA ) return a;
+ normExpSig = softfloat_normSubnormalF16Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ rem = sigA | 0x0400;
+ sigB |= 0x0400;
+ expDiff = expA - expB;
+ if ( expDiff < 1 ) {
+ if ( expDiff < -1 ) return a;
+ sigB <<= 3;
+ if ( expDiff ) {
+ rem <<= 2;
+ q = 0;
+ } else {
+ rem <<= 3;
+ q = (sigB <= rem);
+ if ( q ) rem -= sigB;
+ }
+ } else {
+ recip32 = softfloat_approxRecip32_1( (uint_fast32_t) sigB<<21 );
+ /*--------------------------------------------------------------------
+ | Changing the shift of `rem' here requires also changing the initial
+ | subtraction from `expDiff'.
+ *--------------------------------------------------------------------*/
+ rem <<= 4;
+ expDiff -= 31;
+ /*--------------------------------------------------------------------
+ | The scale of `sigB' affects how many bits are obtained during each
+ | cycle of the loop. Currently this is 29 bits per loop iteration,
+ | which is believed to be the maximum possible.
+ *--------------------------------------------------------------------*/
+ sigB <<= 3;
+ for (;;) {
+ q32 = (rem * (uint_fast64_t) recip32)>>16;
+ if ( expDiff < 0 ) break;
+ rem = -((uint_fast16_t) q32 * sigB);
+ expDiff -= 29;
+ }
+ /*--------------------------------------------------------------------
+ | (`expDiff' cannot be less than -30 here.)
+ *--------------------------------------------------------------------*/
+ q32 >>= ~expDiff & 31;
+ q = q32;
+ rem = (rem<<(expDiff + 30)) - q * sigB;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ do {
+ altRem = rem;
+ ++q;
+ rem -= sigB;
+ } while ( ! (rem & 0x8000) );
+ meanRem = rem + altRem;
+ if ( (meanRem & 0x8000) || (! meanRem && (q & 1)) ) rem = altRem;
+ signRem = signA;
+ if ( 0x8000 <= rem ) {
+ signRem = ! signRem;
+ rem = -rem;
+ }
+ return softfloat_normRoundPackToF16( signRem, expB, rem );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF16UI( uiA, uiB );
+ goto uiZ;
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF16UI;
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f16_roundToInt.c b/ext/softfloat/f16_roundToInt.c
new file mode 100644
index 0000000..f7a8ac3
--- /dev/null
+++ b/ext/softfloat/f16_roundToInt.c
@@ -0,0 +1,113 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2017 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float16_t f16_roundToInt( float16_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ int_fast8_t exp;
+ uint_fast16_t uiZ, lastBitMask, roundBitsMask;
+ union ui16_f16 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp <= 0xE ) {
+ if ( ! (uint16_t) (uiA<<1) ) return a;
+ if ( exact ) softfloat_exceptionFlags |= softfloat_flag_inexact;
+ uiZ = uiA & packToF16UI( 1, 0, 0 );
+ switch ( roundingMode ) {
+ case softfloat_round_near_even:
+ if ( ! fracF16UI( uiA ) ) break;
+ case softfloat_round_near_maxMag:
+ if ( exp == 0xE ) uiZ |= packToF16UI( 0, 0xF, 0 );
+ break;
+ case softfloat_round_min:
+ if ( uiZ ) uiZ = packToF16UI( 1, 0xF, 0 );
+ break;
+ case softfloat_round_max:
+ if ( ! uiZ ) uiZ = packToF16UI( 0, 0xF, 0 );
+ break;
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0x19 <= exp ) {
+ if ( (exp == 0x1F) && fracF16UI( uiA ) ) {
+ uiZ = softfloat_propagateNaNF16UI( uiA, 0 );
+ goto uiZ;
+ }
+ return a;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ = uiA;
+ lastBitMask = (uint_fast16_t) 1<<(0x19 - exp);
+ roundBitsMask = lastBitMask - 1;
+ if ( roundingMode == softfloat_round_near_maxMag ) {
+ uiZ += lastBitMask>>1;
+ } else if ( roundingMode == softfloat_round_near_even ) {
+ uiZ += lastBitMask>>1;
+ if ( ! (uiZ & roundBitsMask) ) uiZ &= ~lastBitMask;
+ } else if (
+ roundingMode
+ == (signF16UI( uiZ ) ? softfloat_round_min : softfloat_round_max)
+ ) {
+ uiZ += roundBitsMask;
+ }
+ uiZ &= ~roundBitsMask;
+ if ( exact && (uiZ != uiA) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f16_sqrt.c b/ext/softfloat/f16_sqrt.c
new file mode 100644
index 0000000..2eb5172
--- /dev/null
+++ b/ext/softfloat/f16_sqrt.c
@@ -0,0 +1,137 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+extern const uint16_t softfloat_approxRecipSqrt_1k0s[];
+extern const uint16_t softfloat_approxRecipSqrt_1k1s[];
+
+float16_t f16_sqrt( float16_t a )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ bool signA;
+ int_fast8_t expA;
+ uint_fast16_t sigA, uiZ;
+ struct exp8_sig16 normExpSig;
+ int_fast8_t expZ;
+ int index;
+ uint_fast16_t r0;
+ uint_fast32_t ESqrR0;
+ uint16_t sigma0;
+ uint_fast16_t recipSqrt16, sigZ, shiftedSigZ;
+ uint16_t negRem;
+ union ui16_f16 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF16UI( uiA );
+ expA = expF16UI( uiA );
+ sigA = fracF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x1F ) {
+ if ( sigA ) {
+ uiZ = softfloat_propagateNaNF16UI( uiA, 0 );
+ goto uiZ;
+ }
+ if ( ! signA ) return a;
+ goto invalid;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( signA ) {
+ if ( ! (expA | sigA) ) return a;
+ goto invalid;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) {
+ if ( ! sigA ) return a;
+ normExpSig = softfloat_normSubnormalF16Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = ((expA - 0xF)>>1) + 0xE;
+ expA &= 1;
+ sigA |= 0x0400;
+ index = (sigA>>6 & 0xE) + expA;
+ r0 = softfloat_approxRecipSqrt_1k0s[index]
+ - (((uint_fast32_t) softfloat_approxRecipSqrt_1k1s[index]
+ * (sigA & 0x7F))
+ >>11);
+ ESqrR0 = ((uint_fast32_t) r0 * r0)>>1;
+ if ( expA ) ESqrR0 >>= 1;
+ sigma0 = ~(uint_fast16_t) ((ESqrR0 * sigA)>>16);
+ recipSqrt16 = r0 + (((uint_fast32_t) r0 * sigma0)>>25);
+ if ( ! (recipSqrt16 & 0x8000) ) recipSqrt16 = 0x8000;
+ sigZ = ((uint_fast32_t) (sigA<<5) * recipSqrt16)>>16;
+ if ( expA ) sigZ >>= 1;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ ++sigZ;
+ if ( ! (sigZ & 7) ) {
+ shiftedSigZ = sigZ>>1;
+ negRem = shiftedSigZ * shiftedSigZ;
+ sigZ &= ~1;
+ if ( negRem & 0x8000 ) {
+ sigZ |= 1;
+ } else {
+ if ( negRem ) --sigZ;
+ }
+ }
+ return softfloat_roundPackToF16( 0, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF16UI;
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f16_sub.c b/ext/softfloat/f16_sub.c
new file mode 100644
index 0000000..fa7af85
--- /dev/null
+++ b/ext/softfloat/f16_sub.c
@@ -0,0 +1,71 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float16_t f16_sub( float16_t a, float16_t b )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ union ui16_f16 uB;
+ uint_fast16_t uiB;
+#if ! defined INLINE_LEVEL || (INLINE_LEVEL < 1)
+ float16_t (*magsFuncPtr)( uint_fast16_t, uint_fast16_t );
+#endif
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+#if defined INLINE_LEVEL && (1 <= INLINE_LEVEL)
+ if ( signF16UI( uiA ^ uiB ) ) {
+ return softfloat_addMagsF16( uiA, uiB );
+ } else {
+ return softfloat_subMagsF16( uiA, uiB );
+ }
+#else
+ magsFuncPtr =
+ signF16UI( uiA ^ uiB ) ? softfloat_addMagsF16 : softfloat_subMagsF16;
+ return (*magsFuncPtr)( uiA, uiB );
+#endif
+
+}
+
diff --git a/ext/softfloat/f16_to_f128.c b/ext/softfloat/f16_to_f128.c
new file mode 100644
index 0000000..7bd424a
--- /dev/null
+++ b/ext/softfloat/f16_to_f128.c
@@ -0,0 +1,97 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float128_t f16_to_f128( float16_t a )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ bool sign;
+ int_fast8_t exp;
+ uint_fast16_t frac;
+ struct commonNaN commonNaN;
+ struct uint128 uiZ;
+ struct exp8_sig16 normExpSig;
+ union ui128_f128 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF16UI( uiA );
+ exp = expF16UI( uiA );
+ frac = fracF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x1F ) {
+ if ( frac ) {
+ softfloat_f16UIToCommonNaN( uiA, &commonNaN );
+ uiZ = softfloat_commonNaNToF128UI( &commonNaN );
+ } else {
+ uiZ.v64 = packToF128UI64( sign, 0x7FFF, 0 );
+ uiZ.v0 = 0;
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! exp ) {
+ if ( ! frac ) {
+ uiZ.v64 = packToF128UI64( sign, 0, 0 );
+ uiZ.v0 = 0;
+ goto uiZ;
+ }
+ normExpSig = softfloat_normSubnormalF16Sig( frac );
+ exp = normExpSig.exp - 1;
+ frac = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ.v64 = packToF128UI64( sign, exp + 0x3FF0, (uint_fast64_t) frac<<38 );
+ uiZ.v0 = 0;
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f16_to_f32.c b/ext/softfloat/f16_to_f32.c
new file mode 100644
index 0000000..da1600a
--- /dev/null
+++ b/ext/softfloat/f16_to_f32.c
@@ -0,0 +1,94 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float32_t f16_to_f32( float16_t a )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ bool sign;
+ int_fast8_t exp;
+ uint_fast16_t frac;
+ struct commonNaN commonNaN;
+ uint_fast32_t uiZ;
+ struct exp8_sig16 normExpSig;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF16UI( uiA );
+ exp = expF16UI( uiA );
+ frac = fracF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x1F ) {
+ if ( frac ) {
+ softfloat_f16UIToCommonNaN( uiA, &commonNaN );
+ uiZ = softfloat_commonNaNToF32UI( &commonNaN );
+ } else {
+ uiZ = packToF32UI( sign, 0xFF, 0 );
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! exp ) {
+ if ( ! frac ) {
+ uiZ = packToF32UI( sign, 0, 0 );
+ goto uiZ;
+ }
+ normExpSig = softfloat_normSubnormalF16Sig( frac );
+ exp = normExpSig.exp - 1;
+ frac = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ = packToF32UI( sign, exp + 0x70, (uint_fast32_t) frac<<13 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f16_to_f64.c b/ext/softfloat/f16_to_f64.c
new file mode 100644
index 0000000..9b5b05b
--- /dev/null
+++ b/ext/softfloat/f16_to_f64.c
@@ -0,0 +1,94 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float64_t f16_to_f64( float16_t a )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ bool sign;
+ int_fast8_t exp;
+ uint_fast16_t frac;
+ struct commonNaN commonNaN;
+ uint_fast64_t uiZ;
+ struct exp8_sig16 normExpSig;
+ union ui64_f64 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF16UI( uiA );
+ exp = expF16UI( uiA );
+ frac = fracF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x1F ) {
+ if ( frac ) {
+ softfloat_f16UIToCommonNaN( uiA, &commonNaN );
+ uiZ = softfloat_commonNaNToF64UI( &commonNaN );
+ } else {
+ uiZ = packToF64UI( sign, 0x7FF, 0 );
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! exp ) {
+ if ( ! frac ) {
+ uiZ = packToF64UI( sign, 0, 0 );
+ goto uiZ;
+ }
+ normExpSig = softfloat_normSubnormalF16Sig( frac );
+ exp = normExpSig.exp - 1;
+ frac = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ = packToF64UI( sign, exp + 0x3F0, (uint_fast64_t) frac<<42 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f16_to_i32.c b/ext/softfloat/f16_to_i32.c
new file mode 100644
index 0000000..f9e7b5a
--- /dev/null
+++ b/ext/softfloat/f16_to_i32.c
@@ -0,0 +1,88 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast32_t f16_to_i32( float16_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ bool sign;
+ int_fast8_t exp;
+ uint_fast16_t frac;
+ int_fast32_t sig32;
+ int_fast8_t shiftDist;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF16UI( uiA );
+ exp = expF16UI( uiA );
+ frac = fracF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x1F ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ frac ? i32_fromNaN
+ : sign ? i32_fromNegOverflow : i32_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig32 = frac;
+ if ( exp ) {
+ sig32 |= 0x0400;
+ shiftDist = exp - 0x19;
+ if ( 0 <= shiftDist ) {
+ sig32 <<= shiftDist;
+ return sign ? -sig32 : sig32;
+ }
+ shiftDist = exp - 0x0D;
+ if ( 0 < shiftDist ) sig32 <<= shiftDist;
+ }
+ return
+ softfloat_roundToI32(
+ sign, (uint_fast32_t) sig32, roundingMode, exact );
+
+}
+
diff --git a/ext/softfloat/f16_to_i32_r_minMag.c b/ext/softfloat/f16_to_i32_r_minMag.c
new file mode 100644
index 0000000..8383b0e
--- /dev/null
+++ b/ext/softfloat/f16_to_i32_r_minMag.c
@@ -0,0 +1,89 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast32_t f16_to_i32_r_minMag( float16_t a, bool exact )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ int_fast8_t exp;
+ uint_fast16_t frac;
+ int_fast8_t shiftDist;
+ bool sign;
+ int_fast32_t alignedSig;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF16UI( uiA );
+ frac = fracF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = exp - 0x0F;
+ if ( shiftDist < 0 ) {
+ if ( exact && (exp | frac) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sign = signF16UI( uiA );
+ if ( exp == 0x1F ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x1F) && frac ? i32_fromNaN
+ : sign ? i32_fromNegOverflow : i32_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ alignedSig = (int_fast32_t) (frac | 0x0400)<<shiftDist;
+ if ( exact && (alignedSig & 0x3FF) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ alignedSig >>= 10;
+ return sign ? -alignedSig : alignedSig;
+
+}
+
diff --git a/ext/softfloat/f16_to_i64.c b/ext/softfloat/f16_to_i64.c
new file mode 100644
index 0000000..8995a67
--- /dev/null
+++ b/ext/softfloat/f16_to_i64.c
@@ -0,0 +1,88 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast64_t f16_to_i64( float16_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ bool sign;
+ int_fast8_t exp;
+ uint_fast16_t frac;
+ int_fast32_t sig32;
+ int_fast8_t shiftDist;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF16UI( uiA );
+ exp = expF16UI( uiA );
+ frac = fracF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x1F ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ frac ? i64_fromNaN
+ : sign ? i64_fromNegOverflow : i64_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig32 = frac;
+ if ( exp ) {
+ sig32 |= 0x0400;
+ shiftDist = exp - 0x19;
+ if ( 0 <= shiftDist ) {
+ sig32 <<= shiftDist;
+ return sign ? -sig32 : sig32;
+ }
+ shiftDist = exp - 0x0D;
+ if ( 0 < shiftDist ) sig32 <<= shiftDist;
+ }
+ return
+ softfloat_roundToI32(
+ sign, (uint_fast32_t) sig32, roundingMode, exact );
+
+}
+
diff --git a/ext/softfloat/f16_to_i64_r_minMag.c b/ext/softfloat/f16_to_i64_r_minMag.c
new file mode 100644
index 0000000..56d3da8
--- /dev/null
+++ b/ext/softfloat/f16_to_i64_r_minMag.c
@@ -0,0 +1,89 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast64_t f16_to_i64_r_minMag( float16_t a, bool exact )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ int_fast8_t exp;
+ uint_fast16_t frac;
+ int_fast8_t shiftDist;
+ bool sign;
+ int_fast32_t alignedSig;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF16UI( uiA );
+ frac = fracF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = exp - 0x0F;
+ if ( shiftDist < 0 ) {
+ if ( exact && (exp | frac) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sign = signF16UI( uiA );
+ if ( exp == 0x1F ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x1F) && frac ? i64_fromNaN
+ : sign ? i64_fromNegOverflow : i64_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ alignedSig = (int_fast32_t) (frac | 0x0400)<<shiftDist;
+ if ( exact && (alignedSig & 0x3FF) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ alignedSig >>= 10;
+ return sign ? -alignedSig : alignedSig;
+
+}
+
diff --git a/ext/softfloat/f16_to_ui32.c b/ext/softfloat/f16_to_ui32.c
new file mode 100644
index 0000000..00ea685
--- /dev/null
+++ b/ext/softfloat/f16_to_ui32.c
@@ -0,0 +1,85 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast32_t f16_to_ui32( float16_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ bool sign;
+ int_fast8_t exp;
+ uint_fast16_t frac;
+ uint_fast32_t sig32;
+ int_fast8_t shiftDist;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF16UI( uiA );
+ exp = expF16UI( uiA );
+ frac = fracF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x1F ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ frac ? ui32_fromNaN
+ : sign ? ui32_fromNegOverflow : ui32_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig32 = frac;
+ if ( exp ) {
+ sig32 |= 0x0400;
+ shiftDist = exp - 0x19;
+ if ( (0 <= shiftDist) && ! sign ) {
+ return sig32<<shiftDist;
+ }
+ shiftDist = exp - 0x0D;
+ if ( 0 < shiftDist ) sig32 <<= shiftDist;
+ }
+ return softfloat_roundToUI32( sign, sig32, roundingMode, exact );
+
+}
+
diff --git a/ext/softfloat/f16_to_ui32_r_minMag.c b/ext/softfloat/f16_to_ui32_r_minMag.c
new file mode 100644
index 0000000..83b6217
--- /dev/null
+++ b/ext/softfloat/f16_to_ui32_r_minMag.c
@@ -0,0 +1,88 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast32_t f16_to_ui32_r_minMag( float16_t a, bool exact )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ int_fast8_t exp;
+ uint_fast16_t frac;
+ int_fast8_t shiftDist;
+ bool sign;
+ uint_fast32_t alignedSig;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF16UI( uiA );
+ frac = fracF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = exp - 0x0F;
+ if ( shiftDist < 0 ) {
+ if ( exact && (exp | frac) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sign = signF16UI( uiA );
+ if ( sign || (exp == 0x1F) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x1F) && frac ? ui32_fromNaN
+ : sign ? ui32_fromNegOverflow : ui32_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ alignedSig = (uint_fast32_t) (frac | 0x0400)<<shiftDist;
+ if ( exact && (alignedSig & 0x3FF) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return alignedSig>>10;
+
+}
+
diff --git a/ext/softfloat/f16_to_ui64.c b/ext/softfloat/f16_to_ui64.c
new file mode 100644
index 0000000..76cdf62
--- /dev/null
+++ b/ext/softfloat/f16_to_ui64.c
@@ -0,0 +1,85 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast64_t f16_to_ui64( float16_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ bool sign;
+ int_fast8_t exp;
+ uint_fast16_t frac;
+ uint_fast32_t sig32;
+ int_fast8_t shiftDist;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF16UI( uiA );
+ exp = expF16UI( uiA );
+ frac = fracF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x1F ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ frac ? ui64_fromNaN
+ : sign ? ui64_fromNegOverflow : ui64_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig32 = frac;
+ if ( exp ) {
+ sig32 |= 0x0400;
+ shiftDist = exp - 0x19;
+ if ( (0 <= shiftDist) && ! sign ) {
+ return sig32<<shiftDist;
+ }
+ shiftDist = exp - 0x0D;
+ if ( 0 < shiftDist ) sig32 <<= shiftDist;
+ }
+ return softfloat_roundToUI32( sign, sig32, roundingMode, exact );
+
+}
+
diff --git a/ext/softfloat/f16_to_ui64_r_minMag.c b/ext/softfloat/f16_to_ui64_r_minMag.c
new file mode 100644
index 0000000..43976b2
--- /dev/null
+++ b/ext/softfloat/f16_to_ui64_r_minMag.c
@@ -0,0 +1,88 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast64_t f16_to_ui64_r_minMag( float16_t a, bool exact )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+ int_fast8_t exp;
+ uint_fast16_t frac;
+ int_fast8_t shiftDist;
+ bool sign;
+ uint_fast32_t alignedSig;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF16UI( uiA );
+ frac = fracF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = exp - 0x0F;
+ if ( shiftDist < 0 ) {
+ if ( exact && (exp | frac) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sign = signF16UI( uiA );
+ if ( sign || (exp == 0x1F) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x1F) && frac ? ui64_fromNaN
+ : sign ? ui64_fromNegOverflow : ui64_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ alignedSig = (uint_fast32_t) (frac | 0x0400)<<shiftDist;
+ if ( exact && (alignedSig & 0x3FF) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return alignedSig>>10;
+
+}
+
diff --git a/ext/softfloat/f32_add.c b/ext/softfloat/f32_add.c
new file mode 100644
index 0000000..7b564c0
--- /dev/null
+++ b/ext/softfloat/f32_add.c
@@ -0,0 +1,71 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float32_t f32_add( float32_t a, float32_t b )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ union ui32_f32 uB;
+ uint_fast32_t uiB;
+#if ! defined INLINE_LEVEL || (INLINE_LEVEL < 1)
+ float32_t (*magsFuncPtr)( uint_fast32_t, uint_fast32_t );
+#endif
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+#if defined INLINE_LEVEL && (1 <= INLINE_LEVEL)
+ if ( signF32UI( uiA ^ uiB ) ) {
+ return softfloat_subMagsF32( uiA, uiB );
+ } else {
+ return softfloat_addMagsF32( uiA, uiB );
+ }
+#else
+ magsFuncPtr =
+ signF32UI( uiA ^ uiB ) ? softfloat_subMagsF32 : softfloat_addMagsF32;
+ return (*magsFuncPtr)( uiA, uiB );
+#endif
+
+}
+
diff --git a/ext/softfloat/f32_classify.c b/ext/softfloat/f32_classify.c
new file mode 100755
index 0000000..88957aa
--- /dev/null
+++ b/ext/softfloat/f32_classify.c
@@ -0,0 +1,37 @@
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast16_t f32_classify( float32_t a )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+
+ uA.f = a;
+ uiA = uA.ui;
+
+ uint_fast16_t infOrNaN = expF32UI( uiA ) == 0xFF;
+ uint_fast16_t subnormalOrZero = expF32UI( uiA ) == 0;
+ bool sign = signF32UI( uiA );
+ bool fracZero = fracF32UI( uiA ) == 0;
+ bool isNaN = isNaNF32UI( uiA );
+ bool isSNaN = softfloat_isSigNaNF32UI( uiA );
+
+ return
+ ( sign && infOrNaN && fracZero ) << 0 |
+ ( sign && !infOrNaN && !subnormalOrZero ) << 1 |
+ ( sign && subnormalOrZero && !fracZero ) << 2 |
+ ( sign && subnormalOrZero && fracZero ) << 3 |
+ ( !sign && infOrNaN && fracZero ) << 7 |
+ ( !sign && !infOrNaN && !subnormalOrZero ) << 6 |
+ ( !sign && subnormalOrZero && !fracZero ) << 5 |
+ ( !sign && subnormalOrZero && fracZero ) << 4 |
+ ( isNaN && isSNaN ) << 8 |
+ ( isNaN && !isSNaN ) << 9;
+}
+
diff --git a/ext/softfloat/f32_div.c b/ext/softfloat/f32_div.c
new file mode 100644
index 0000000..ead72a0
--- /dev/null
+++ b/ext/softfloat/f32_div.c
@@ -0,0 +1,181 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float32_t f32_div( float32_t a, float32_t b )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ bool signA;
+ int_fast16_t expA;
+ uint_fast32_t sigA;
+ union ui32_f32 uB;
+ uint_fast32_t uiB;
+ bool signB;
+ int_fast16_t expB;
+ uint_fast32_t sigB;
+ bool signZ;
+ struct exp16_sig32 normExpSig;
+ int_fast16_t expZ;
+#ifdef SOFTFLOAT_FAST_DIV64TO32
+ uint_fast64_t sig64A;
+ uint_fast32_t sigZ;
+#else
+ uint_fast32_t sigZ;
+ uint_fast64_t rem;
+#endif
+ uint_fast32_t uiZ;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF32UI( uiA );
+ expA = expF32UI( uiA );
+ sigA = fracF32UI( uiA );
+ uB.f = b;
+ uiB = uB.ui;
+ signB = signF32UI( uiB );
+ expB = expF32UI( uiB );
+ sigB = fracF32UI( uiB );
+ signZ = signA ^ signB;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0xFF ) {
+ if ( sigA ) goto propagateNaN;
+ if ( expB == 0xFF ) {
+ if ( sigB ) goto propagateNaN;
+ goto invalid;
+ }
+ goto infinity;
+ }
+ if ( expB == 0xFF ) {
+ if ( sigB ) goto propagateNaN;
+ goto zero;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expB ) {
+ if ( ! sigB ) {
+ if ( ! (expA | sigA) ) goto invalid;
+ softfloat_raiseFlags( softfloat_flag_infinite );
+ goto infinity;
+ }
+ normExpSig = softfloat_normSubnormalF32Sig( sigB );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ if ( ! expA ) {
+ if ( ! sigA ) goto zero;
+ normExpSig = softfloat_normSubnormalF32Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = expA - expB + 0x7E;
+ sigA |= 0x00800000;
+ sigB |= 0x00800000;
+#ifdef SOFTFLOAT_FAST_DIV64TO32
+ if ( sigA < sigB ) {
+ --expZ;
+ sig64A = (uint_fast64_t) sigA<<31;
+ } else {
+ sig64A = (uint_fast64_t) sigA<<30;
+ }
+ sigZ = sig64A / sigB;
+ if ( ! (sigZ & 0x3F) ) sigZ |= ((uint_fast64_t) sigB * sigZ != sig64A);
+#else
+ if ( sigA < sigB ) {
+ --expZ;
+ sigA <<= 8;
+ } else {
+ sigA <<= 7;
+ }
+ sigB <<= 8;
+ sigZ = ((uint_fast64_t) sigA * softfloat_approxRecip32_1( sigB ))>>32;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sigZ += 2;
+ if ( (sigZ & 0x3F) < 2 ) {
+ sigZ &= ~3;
+#ifdef SOFTFLOAT_FAST_INT64
+ rem = ((uint_fast64_t) sigA<<31) - (uint_fast64_t) sigZ * sigB;
+#else
+ rem = ((uint_fast64_t) sigA<<32) - (uint_fast64_t) (sigZ<<1) * sigB;
+#endif
+ if ( rem & UINT64_C( 0x8000000000000000 ) ) {
+ sigZ -= 4;
+ } else {
+ if ( rem ) sigZ |= 1;
+ }
+ }
+#endif
+ return softfloat_roundPackToF32( signZ, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF32UI( uiA, uiB );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF32UI;
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ infinity:
+ uiZ = packToF32UI( signZ, 0xFF, 0 );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zero:
+ uiZ = packToF32UI( signZ, 0, 0 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f32_eq.c b/ext/softfloat/f32_eq.c
new file mode 100644
index 0000000..ee7b2b9
--- /dev/null
+++ b/ext/softfloat/f32_eq.c
@@ -0,0 +1,67 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f32_eq( float32_t a, float32_t b )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ union ui32_f32 uB;
+ uint_fast32_t uiB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF32UI( uiA ) || isNaNF32UI( uiB ) ) {
+ if (
+ softfloat_isSigNaNF32UI( uiA ) || softfloat_isSigNaNF32UI( uiB )
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return false;
+ }
+ return (uiA == uiB) || ! (uint32_t) ((uiA | uiB)<<1);
+
+}
+
diff --git a/ext/softfloat/f32_eq_signaling.c b/ext/softfloat/f32_eq_signaling.c
new file mode 100644
index 0000000..8cf72ea
--- /dev/null
+++ b/ext/softfloat/f32_eq_signaling.c
@@ -0,0 +1,62 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+bool f32_eq_signaling( float32_t a, float32_t b )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ union ui32_f32 uB;
+ uint_fast32_t uiB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF32UI( uiA ) || isNaNF32UI( uiB ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return false;
+ }
+ return (uiA == uiB) || ! (uint32_t) ((uiA | uiB)<<1);
+
+}
+
diff --git a/ext/softfloat/f32_isSignalingNaN.c b/ext/softfloat/f32_isSignalingNaN.c
new file mode 100644
index 0000000..c3acd94
--- /dev/null
+++ b/ext/softfloat/f32_isSignalingNaN.c
@@ -0,0 +1,52 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f32_isSignalingNaN( float32_t a )
+{
+ union ui32_f32 uA;
+
+ uA.f = a;
+ return softfloat_isSigNaNF32UI( uA.ui );
+
+}
+
diff --git a/ext/softfloat/f32_le.c b/ext/softfloat/f32_le.c
new file mode 100644
index 0000000..761fb64
--- /dev/null
+++ b/ext/softfloat/f32_le.c
@@ -0,0 +1,67 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+bool f32_le( float32_t a, float32_t b )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ union ui32_f32 uB;
+ uint_fast32_t uiB;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF32UI( uiA ) || isNaNF32UI( uiB ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return false;
+ }
+ signA = signF32UI( uiA );
+ signB = signF32UI( uiB );
+ return
+ (signA != signB) ? signA || ! (uint32_t) ((uiA | uiB)<<1)
+ : (uiA == uiB) || (signA ^ (uiA < uiB));
+
+}
+
diff --git a/ext/softfloat/f32_le_quiet.c b/ext/softfloat/f32_le_quiet.c
new file mode 100644
index 0000000..594967f
--- /dev/null
+++ b/ext/softfloat/f32_le_quiet.c
@@ -0,0 +1,72 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f32_le_quiet( float32_t a, float32_t b )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ union ui32_f32 uB;
+ uint_fast32_t uiB;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF32UI( uiA ) || isNaNF32UI( uiB ) ) {
+ if (
+ softfloat_isSigNaNF32UI( uiA ) || softfloat_isSigNaNF32UI( uiB )
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return false;
+ }
+ signA = signF32UI( uiA );
+ signB = signF32UI( uiB );
+ return
+ (signA != signB) ? signA || ! (uint32_t) ((uiA | uiB)<<1)
+ : (uiA == uiB) || (signA ^ (uiA < uiB));
+
+}
+
diff --git a/ext/softfloat/f32_lt.c b/ext/softfloat/f32_lt.c
new file mode 100644
index 0000000..5f41c13
--- /dev/null
+++ b/ext/softfloat/f32_lt.c
@@ -0,0 +1,67 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+bool f32_lt( float32_t a, float32_t b )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ union ui32_f32 uB;
+ uint_fast32_t uiB;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF32UI( uiA ) || isNaNF32UI( uiB ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return false;
+ }
+ signA = signF32UI( uiA );
+ signB = signF32UI( uiB );
+ return
+ (signA != signB) ? signA && ((uint32_t) ((uiA | uiB)<<1) != 0)
+ : (uiA != uiB) && (signA ^ (uiA < uiB));
+
+}
+
diff --git a/ext/softfloat/f32_lt_quiet.c b/ext/softfloat/f32_lt_quiet.c
new file mode 100644
index 0000000..c14e754
--- /dev/null
+++ b/ext/softfloat/f32_lt_quiet.c
@@ -0,0 +1,72 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f32_lt_quiet( float32_t a, float32_t b )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ union ui32_f32 uB;
+ uint_fast32_t uiB;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF32UI( uiA ) || isNaNF32UI( uiB ) ) {
+ if (
+ softfloat_isSigNaNF32UI( uiA ) || softfloat_isSigNaNF32UI( uiB )
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return false;
+ }
+ signA = signF32UI( uiA );
+ signB = signF32UI( uiB );
+ return
+ (signA != signB) ? signA && ((uint32_t) ((uiA | uiB)<<1) != 0)
+ : (uiA != uiB) && (signA ^ (uiA < uiB));
+
+}
+
diff --git a/ext/softfloat/f32_mul.c b/ext/softfloat/f32_mul.c
new file mode 100644
index 0000000..35fbca2
--- /dev/null
+++ b/ext/softfloat/f32_mul.c
@@ -0,0 +1,138 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float32_t f32_mul( float32_t a, float32_t b )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ bool signA;
+ int_fast16_t expA;
+ uint_fast32_t sigA;
+ union ui32_f32 uB;
+ uint_fast32_t uiB;
+ bool signB;
+ int_fast16_t expB;
+ uint_fast32_t sigB;
+ bool signZ;
+ uint_fast32_t magBits;
+ struct exp16_sig32 normExpSig;
+ int_fast16_t expZ;
+ uint_fast32_t sigZ, uiZ;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF32UI( uiA );
+ expA = expF32UI( uiA );
+ sigA = fracF32UI( uiA );
+ uB.f = b;
+ uiB = uB.ui;
+ signB = signF32UI( uiB );
+ expB = expF32UI( uiB );
+ sigB = fracF32UI( uiB );
+ signZ = signA ^ signB;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0xFF ) {
+ if ( sigA || ((expB == 0xFF) && sigB) ) goto propagateNaN;
+ magBits = expB | sigB;
+ goto infArg;
+ }
+ if ( expB == 0xFF ) {
+ if ( sigB ) goto propagateNaN;
+ magBits = expA | sigA;
+ goto infArg;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) {
+ if ( ! sigA ) goto zero;
+ normExpSig = softfloat_normSubnormalF32Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ if ( ! expB ) {
+ if ( ! sigB ) goto zero;
+ normExpSig = softfloat_normSubnormalF32Sig( sigB );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = expA + expB - 0x7F;
+ sigA = (sigA | 0x00800000)<<7;
+ sigB = (sigB | 0x00800000)<<8;
+ sigZ = softfloat_shortShiftRightJam64( (uint_fast64_t) sigA * sigB, 32 );
+ if ( sigZ < 0x40000000 ) {
+ --expZ;
+ sigZ <<= 1;
+ }
+ return softfloat_roundPackToF32( signZ, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF32UI( uiA, uiB );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ infArg:
+ if ( ! magBits ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF32UI;
+ } else {
+ uiZ = packToF32UI( signZ, 0xFF, 0 );
+ }
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zero:
+ uiZ = packToF32UI( signZ, 0, 0 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f32_mulAdd.c b/ext/softfloat/f32_mulAdd.c
new file mode 100644
index 0000000..b4fcd2a
--- /dev/null
+++ b/ext/softfloat/f32_mulAdd.c
@@ -0,0 +1,61 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float32_t f32_mulAdd( float32_t a, float32_t b, float32_t c )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ union ui32_f32 uB;
+ uint_fast32_t uiB;
+ union ui32_f32 uC;
+ uint_fast32_t uiC;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ uC.f = c;
+ uiC = uC.ui;
+ return softfloat_mulAddF32( uiA, uiB, uiC, 0 );
+
+}
+
diff --git a/ext/softfloat/f32_rem.c b/ext/softfloat/f32_rem.c
new file mode 100644
index 0000000..d19aec6
--- /dev/null
+++ b/ext/softfloat/f32_rem.c
@@ -0,0 +1,169 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float32_t f32_rem( float32_t a, float32_t b )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ bool signA;
+ int_fast16_t expA;
+ uint_fast32_t sigA;
+ union ui32_f32 uB;
+ uint_fast32_t uiB;
+ int_fast16_t expB;
+ uint_fast32_t sigB;
+ struct exp16_sig32 normExpSig;
+ uint32_t rem;
+ int_fast16_t expDiff;
+ uint32_t q, recip32, altRem, meanRem;
+ bool signRem;
+ uint_fast32_t uiZ;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF32UI( uiA );
+ expA = expF32UI( uiA );
+ sigA = fracF32UI( uiA );
+ uB.f = b;
+ uiB = uB.ui;
+ expB = expF32UI( uiB );
+ sigB = fracF32UI( uiB );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0xFF ) {
+ if ( sigA || ((expB == 0xFF) && sigB) ) goto propagateNaN;
+ goto invalid;
+ }
+ if ( expB == 0xFF ) {
+ if ( sigB ) goto propagateNaN;
+ return a;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expB ) {
+ if ( ! sigB ) goto invalid;
+ normExpSig = softfloat_normSubnormalF32Sig( sigB );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ if ( ! expA ) {
+ if ( ! sigA ) return a;
+ normExpSig = softfloat_normSubnormalF32Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ rem = sigA | 0x00800000;
+ sigB |= 0x00800000;
+ expDiff = expA - expB;
+ if ( expDiff < 1 ) {
+ if ( expDiff < -1 ) return a;
+ sigB <<= 6;
+ if ( expDiff ) {
+ rem <<= 5;
+ q = 0;
+ } else {
+ rem <<= 6;
+ q = (sigB <= rem);
+ if ( q ) rem -= sigB;
+ }
+ } else {
+ recip32 = softfloat_approxRecip32_1( sigB<<8 );
+ /*--------------------------------------------------------------------
+ | Changing the shift of `rem' here requires also changing the initial
+ | subtraction from `expDiff'.
+ *--------------------------------------------------------------------*/
+ rem <<= 7;
+ expDiff -= 31;
+ /*--------------------------------------------------------------------
+ | The scale of `sigB' affects how many bits are obtained during each
+ | cycle of the loop. Currently this is 29 bits per loop iteration,
+ | which is believed to be the maximum possible.
+ *--------------------------------------------------------------------*/
+ sigB <<= 6;
+ for (;;) {
+ q = (rem * (uint_fast64_t) recip32)>>32;
+ if ( expDiff < 0 ) break;
+ rem = -(q * (uint32_t) sigB);
+ expDiff -= 29;
+ }
+ /*--------------------------------------------------------------------
+ | (`expDiff' cannot be less than -30 here.)
+ *--------------------------------------------------------------------*/
+ q >>= ~expDiff & 31;
+ rem = (rem<<(expDiff + 30)) - q * (uint32_t) sigB;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ do {
+ altRem = rem;
+ ++q;
+ rem -= sigB;
+ } while ( ! (rem & 0x80000000) );
+ meanRem = rem + altRem;
+ if ( (meanRem & 0x80000000) || (! meanRem && (q & 1)) ) rem = altRem;
+ signRem = signA;
+ if ( 0x80000000 <= rem ) {
+ signRem = ! signRem;
+ rem = -rem;
+ }
+ return softfloat_normRoundPackToF32( signRem, expB, rem );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF32UI( uiA, uiB );
+ goto uiZ;
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF32UI;
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f32_roundToInt.c b/ext/softfloat/f32_roundToInt.c
new file mode 100644
index 0000000..d4186d1
--- /dev/null
+++ b/ext/softfloat/f32_roundToInt.c
@@ -0,0 +1,113 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2017 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float32_t f32_roundToInt( float32_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ int_fast16_t exp;
+ uint_fast32_t uiZ, lastBitMask, roundBitsMask;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp <= 0x7E ) {
+ if ( ! (uint32_t) (uiA<<1) ) return a;
+ if ( exact ) softfloat_exceptionFlags |= softfloat_flag_inexact;
+ uiZ = uiA & packToF32UI( 1, 0, 0 );
+ switch ( roundingMode ) {
+ case softfloat_round_near_even:
+ if ( ! fracF32UI( uiA ) ) break;
+ case softfloat_round_near_maxMag:
+ if ( exp == 0x7E ) uiZ |= packToF32UI( 0, 0x7F, 0 );
+ break;
+ case softfloat_round_min:
+ if ( uiZ ) uiZ = packToF32UI( 1, 0x7F, 0 );
+ break;
+ case softfloat_round_max:
+ if ( ! uiZ ) uiZ = packToF32UI( 0, 0x7F, 0 );
+ break;
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0x96 <= exp ) {
+ if ( (exp == 0xFF) && fracF32UI( uiA ) ) {
+ uiZ = softfloat_propagateNaNF32UI( uiA, 0 );
+ goto uiZ;
+ }
+ return a;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ = uiA;
+ lastBitMask = (uint_fast32_t) 1<<(0x96 - exp);
+ roundBitsMask = lastBitMask - 1;
+ if ( roundingMode == softfloat_round_near_maxMag ) {
+ uiZ += lastBitMask>>1;
+ } else if ( roundingMode == softfloat_round_near_even ) {
+ uiZ += lastBitMask>>1;
+ if ( ! (uiZ & roundBitsMask) ) uiZ &= ~lastBitMask;
+ } else if (
+ roundingMode
+ == (signF32UI( uiZ ) ? softfloat_round_min : softfloat_round_max)
+ ) {
+ uiZ += roundBitsMask;
+ }
+ uiZ &= ~roundBitsMask;
+ if ( exact && (uiZ != uiA) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f32_sqrt.c b/ext/softfloat/f32_sqrt.c
new file mode 100644
index 0000000..5d54c87
--- /dev/null
+++ b/ext/softfloat/f32_sqrt.c
@@ -0,0 +1,122 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float32_t f32_sqrt( float32_t a )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ bool signA;
+ int_fast16_t expA;
+ uint_fast32_t sigA, uiZ;
+ struct exp16_sig32 normExpSig;
+ int_fast16_t expZ;
+ uint_fast32_t sigZ, shiftedSigZ;
+ uint32_t negRem;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF32UI( uiA );
+ expA = expF32UI( uiA );
+ sigA = fracF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0xFF ) {
+ if ( sigA ) {
+ uiZ = softfloat_propagateNaNF32UI( uiA, 0 );
+ goto uiZ;
+ }
+ if ( ! signA ) return a;
+ goto invalid;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( signA ) {
+ if ( ! (expA | sigA) ) return a;
+ goto invalid;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) {
+ if ( ! sigA ) return a;
+ normExpSig = softfloat_normSubnormalF32Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = ((expA - 0x7F)>>1) + 0x7E;
+ expA &= 1;
+ sigA = (sigA | 0x00800000)<<8;
+ sigZ =
+ ((uint_fast64_t) sigA * softfloat_approxRecipSqrt32_1( expA, sigA ))
+ >>32;
+ if ( expA ) sigZ >>= 1;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sigZ += 2;
+ if ( (sigZ & 0x3F) < 2 ) {
+ shiftedSigZ = sigZ>>2;
+ negRem = shiftedSigZ * shiftedSigZ;
+ sigZ &= ~3;
+ if ( negRem & 0x80000000 ) {
+ sigZ |= 1;
+ } else {
+ if ( negRem ) --sigZ;
+ }
+ }
+ return softfloat_roundPackToF32( 0, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF32UI;
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f32_sub.c b/ext/softfloat/f32_sub.c
new file mode 100644
index 0000000..158b364
--- /dev/null
+++ b/ext/softfloat/f32_sub.c
@@ -0,0 +1,71 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float32_t f32_sub( float32_t a, float32_t b )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ union ui32_f32 uB;
+ uint_fast32_t uiB;
+#if ! defined INLINE_LEVEL || (INLINE_LEVEL < 1)
+ float32_t (*magsFuncPtr)( uint_fast32_t, uint_fast32_t );
+#endif
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+#if defined INLINE_LEVEL && (1 <= INLINE_LEVEL)
+ if ( signF32UI( uiA ^ uiB ) ) {
+ return softfloat_addMagsF32( uiA, uiB );
+ } else {
+ return softfloat_subMagsF32( uiA, uiB );
+ }
+#else
+ magsFuncPtr =
+ signF32UI( uiA ^ uiB ) ? softfloat_addMagsF32 : softfloat_subMagsF32;
+ return (*magsFuncPtr)( uiA, uiB );
+#endif
+
+}
+
diff --git a/ext/softfloat/f32_to_f128.c b/ext/softfloat/f32_to_f128.c
new file mode 100644
index 0000000..07e473f
--- /dev/null
+++ b/ext/softfloat/f32_to_f128.c
@@ -0,0 +1,97 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float128_t f32_to_f128( float32_t a )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast32_t frac;
+ struct commonNaN commonNaN;
+ struct uint128 uiZ;
+ struct exp16_sig32 normExpSig;
+ union ui128_f128 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF32UI( uiA );
+ exp = expF32UI( uiA );
+ frac = fracF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0xFF ) {
+ if ( frac ) {
+ softfloat_f32UIToCommonNaN( uiA, &commonNaN );
+ uiZ = softfloat_commonNaNToF128UI( &commonNaN );
+ } else {
+ uiZ.v64 = packToF128UI64( sign, 0x7FFF, 0 );
+ uiZ.v0 = 0;
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! exp ) {
+ if ( ! frac ) {
+ uiZ.v64 = packToF128UI64( sign, 0, 0 );
+ uiZ.v0 = 0;
+ goto uiZ;
+ }
+ normExpSig = softfloat_normSubnormalF32Sig( frac );
+ exp = normExpSig.exp - 1;
+ frac = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ.v64 = packToF128UI64( sign, exp + 0x3F80, (uint_fast64_t) frac<<25 );
+ uiZ.v0 = 0;
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f32_to_f16.c b/ext/softfloat/f32_to_f16.c
new file mode 100644
index 0000000..31c733f
--- /dev/null
+++ b/ext/softfloat/f32_to_f16.c
@@ -0,0 +1,89 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float16_t f32_to_f16( float32_t a )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast32_t frac;
+ struct commonNaN commonNaN;
+ uint_fast16_t uiZ, frac16;
+ union ui16_f16 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF32UI( uiA );
+ exp = expF32UI( uiA );
+ frac = fracF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0xFF ) {
+ if ( frac ) {
+ softfloat_f32UIToCommonNaN( uiA, &commonNaN );
+ uiZ = softfloat_commonNaNToF16UI( &commonNaN );
+ } else {
+ uiZ = packToF16UI( sign, 0x1F, 0 );
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ frac16 = frac>>9 | ((frac & 0x1FF) != 0);
+ if ( ! (exp | frac16) ) {
+ uiZ = packToF16UI( sign, 0, 0 );
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ return softfloat_roundPackToF16( sign, exp - 0x71, frac16 | 0x4000 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f32_to_f64.c b/ext/softfloat/f32_to_f64.c
new file mode 100644
index 0000000..abb9c3d
--- /dev/null
+++ b/ext/softfloat/f32_to_f64.c
@@ -0,0 +1,94 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float64_t f32_to_f64( float32_t a )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast32_t frac;
+ struct commonNaN commonNaN;
+ uint_fast64_t uiZ;
+ struct exp16_sig32 normExpSig;
+ union ui64_f64 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF32UI( uiA );
+ exp = expF32UI( uiA );
+ frac = fracF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0xFF ) {
+ if ( frac ) {
+ softfloat_f32UIToCommonNaN( uiA, &commonNaN );
+ uiZ = softfloat_commonNaNToF64UI( &commonNaN );
+ } else {
+ uiZ = packToF64UI( sign, 0x7FF, 0 );
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! exp ) {
+ if ( ! frac ) {
+ uiZ = packToF64UI( sign, 0, 0 );
+ goto uiZ;
+ }
+ normExpSig = softfloat_normSubnormalF32Sig( frac );
+ exp = normExpSig.exp - 1;
+ frac = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ = packToF64UI( sign, exp + 0x380, (uint_fast64_t) frac<<29 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f32_to_i32.c b/ext/softfloat/f32_to_i32.c
new file mode 100644
index 0000000..7cde896
--- /dev/null
+++ b/ext/softfloat/f32_to_i32.c
@@ -0,0 +1,84 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast32_t f32_to_i32( float32_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast32_t sig;
+ uint_fast64_t sig64;
+ int_fast16_t shiftDist;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF32UI( uiA );
+ exp = expF32UI( uiA );
+ sig = fracF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+#if (i32_fromNaN != i32_fromPosOverflow) || (i32_fromNaN != i32_fromNegOverflow)
+ if ( (exp == 0xFF) && sig ) {
+#if (i32_fromNaN == i32_fromPosOverflow)
+ sign = 0;
+#elif (i32_fromNaN == i32_fromNegOverflow)
+ sign = 1;
+#else
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return i32_fromNaN;
+#endif
+ }
+#endif
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp ) sig |= 0x00800000;
+ sig64 = (uint_fast64_t) sig<<32;
+ shiftDist = 0xAA - exp;
+ if ( 0 < shiftDist ) sig64 = softfloat_shiftRightJam64( sig64, shiftDist );
+ return softfloat_roundToI32( sign, sig64, roundingMode, exact );
+
+}
+
diff --git a/ext/softfloat/f32_to_i32_r_minMag.c b/ext/softfloat/f32_to_i32_r_minMag.c
new file mode 100644
index 0000000..1caaa61
--- /dev/null
+++ b/ext/softfloat/f32_to_i32_r_minMag.c
@@ -0,0 +1,90 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast32_t f32_to_i32_r_minMag( float32_t a, bool exact )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ int_fast16_t exp;
+ uint_fast32_t sig;
+ int_fast16_t shiftDist;
+ bool sign;
+ int_fast32_t absZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF32UI( uiA );
+ sig = fracF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0x9E - exp;
+ if ( 32 <= shiftDist ) {
+ if ( exact && (exp | sig) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sign = signF32UI( uiA );
+ if ( shiftDist <= 0 ) {
+ if ( uiA == packToF32UI( 1, 0x9E, 0 ) ) return -0x7FFFFFFF - 1;
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0xFF) && sig ? i32_fromNaN
+ : sign ? i32_fromNegOverflow : i32_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig = (sig | 0x00800000)<<8;
+ absZ = sig>>shiftDist;
+ if ( exact && ((uint_fast32_t) absZ<<shiftDist != sig) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return sign ? -absZ : absZ;
+
+}
+
diff --git a/ext/softfloat/f32_to_i64.c b/ext/softfloat/f32_to_i64.c
new file mode 100644
index 0000000..5265e3a
--- /dev/null
+++ b/ext/softfloat/f32_to_i64.c
@@ -0,0 +1,97 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast64_t f32_to_i64( float32_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast32_t sig;
+ int_fast16_t shiftDist;
+#ifdef SOFTFLOAT_FAST_INT64
+ uint_fast64_t sig64, extra;
+ struct uint64_extra sig64Extra;
+#else
+ uint32_t extSig[3];
+#endif
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF32UI( uiA );
+ exp = expF32UI( uiA );
+ sig = fracF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0xBE - exp;
+ if ( shiftDist < 0 ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0xFF) && sig ? i64_fromNaN
+ : sign ? i64_fromNegOverflow : i64_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp ) sig |= 0x00800000;
+#ifdef SOFTFLOAT_FAST_INT64
+ sig64 = (uint_fast64_t) sig<<40;
+ extra = 0;
+ if ( shiftDist ) {
+ sig64Extra = softfloat_shiftRightJam64Extra( sig64, 0, shiftDist );
+ sig64 = sig64Extra.v;
+ extra = sig64Extra.extra;
+ }
+ return softfloat_roundToI64( sign, sig64, extra, roundingMode, exact );
+#else
+ extSig[indexWord( 3, 2 )] = sig<<8;
+ extSig[indexWord( 3, 1 )] = 0;
+ extSig[indexWord( 3, 0 )] = 0;
+ if ( shiftDist ) softfloat_shiftRightJam96M( extSig, shiftDist, extSig );
+ return softfloat_roundMToI64( sign, extSig, roundingMode, exact );
+#endif
+
+}
+
diff --git a/ext/softfloat/f32_to_i64_r_minMag.c b/ext/softfloat/f32_to_i64_r_minMag.c
new file mode 100644
index 0000000..a37624d
--- /dev/null
+++ b/ext/softfloat/f32_to_i64_r_minMag.c
@@ -0,0 +1,95 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast64_t f32_to_i64_r_minMag( float32_t a, bool exact )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ int_fast16_t exp;
+ uint_fast32_t sig;
+ int_fast16_t shiftDist;
+ bool sign;
+ uint_fast64_t sig64;
+ int_fast64_t absZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF32UI( uiA );
+ sig = fracF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0xBE - exp;
+ if ( 64 <= shiftDist ) {
+ if ( exact && (exp | sig) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sign = signF32UI( uiA );
+ if ( shiftDist <= 0 ) {
+ if ( uiA == packToF32UI( 1, 0xBE, 0 ) ) {
+ return -INT64_C( 0x7FFFFFFFFFFFFFFF ) - 1;
+ }
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0xFF) && sig ? i64_fromNaN
+ : sign ? i64_fromNegOverflow : i64_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig |= 0x00800000;
+ sig64 = (uint_fast64_t) sig<<40;
+ absZ = sig64>>shiftDist;
+ shiftDist = 40 - shiftDist;
+ if ( exact && (shiftDist < 0) && (uint32_t) (sig<<(shiftDist & 31)) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return sign ? -absZ : absZ;
+
+}
+
diff --git a/ext/softfloat/f32_to_ui32.c b/ext/softfloat/f32_to_ui32.c
new file mode 100644
index 0000000..5c994d1
--- /dev/null
+++ b/ext/softfloat/f32_to_ui32.c
@@ -0,0 +1,85 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast32_t f32_to_ui32( float32_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast32_t sig;
+ uint_fast64_t sig64;
+ int_fast16_t shiftDist;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF32UI( uiA );
+ exp = expF32UI( uiA );
+ sig = fracF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+#if (ui32_fromNaN != ui32_fromPosOverflow) || (ui32_fromNaN != ui32_fromNegOverflow)
+ if ( (exp == 0xFF) && sig ) {
+#if (ui32_fromNaN == ui32_fromPosOverflow)
+ sign = 0;
+#elif (ui32_fromNaN == ui32_fromNegOverflow)
+ sign = 1;
+#else
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return ui32_fromNaN;
+#endif
+ }
+#endif
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp ) sig |= 0x00800000;
+ sig64 = (uint_fast64_t) sig<<32;
+ shiftDist = 0xAA - exp;
+ if ( 0 < shiftDist ) sig64 = softfloat_shiftRightJam64( sig64, shiftDist );
+ return softfloat_roundToUI32( sign, sig64, roundingMode, exact );
+
+}
+
diff --git a/ext/softfloat/f32_to_ui32_r_minMag.c b/ext/softfloat/f32_to_ui32_r_minMag.c
new file mode 100644
index 0000000..d0cd9cc
--- /dev/null
+++ b/ext/softfloat/f32_to_ui32_r_minMag.c
@@ -0,0 +1,89 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast32_t f32_to_ui32_r_minMag( float32_t a, bool exact )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ int_fast16_t exp;
+ uint_fast32_t sig;
+ int_fast16_t shiftDist;
+ bool sign;
+ uint_fast32_t z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF32UI( uiA );
+ sig = fracF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0x9E - exp;
+ if ( 32 <= shiftDist ) {
+ if ( exact && (exp | sig) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sign = signF32UI( uiA );
+ if ( sign || (shiftDist < 0) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0xFF) && sig ? ui32_fromNaN
+ : sign ? ui32_fromNegOverflow : ui32_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig = (sig | 0x00800000)<<8;
+ z = sig>>shiftDist;
+ if ( exact && (z<<shiftDist != sig) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return z;
+
+}
+
diff --git a/ext/softfloat/f32_to_ui64.c b/ext/softfloat/f32_to_ui64.c
new file mode 100644
index 0000000..74e0ed4
--- /dev/null
+++ b/ext/softfloat/f32_to_ui64.c
@@ -0,0 +1,97 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast64_t f32_to_ui64( float32_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast32_t sig;
+ int_fast16_t shiftDist;
+#ifdef SOFTFLOAT_FAST_INT64
+ uint_fast64_t sig64, extra;
+ struct uint64_extra sig64Extra;
+#else
+ uint32_t extSig[3];
+#endif
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF32UI( uiA );
+ exp = expF32UI( uiA );
+ sig = fracF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0xBE - exp;
+ if ( shiftDist < 0 ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0xFF) && sig ? ui64_fromNaN
+ : sign ? ui64_fromNegOverflow : ui64_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp ) sig |= 0x00800000;
+#ifdef SOFTFLOAT_FAST_INT64
+ sig64 = (uint_fast64_t) sig<<40;
+ extra = 0;
+ if ( shiftDist ) {
+ sig64Extra = softfloat_shiftRightJam64Extra( sig64, 0, shiftDist );
+ sig64 = sig64Extra.v;
+ extra = sig64Extra.extra;
+ }
+ return softfloat_roundToUI64( sign, sig64, extra, roundingMode, exact );
+#else
+ extSig[indexWord( 3, 2 )] = sig<<8;
+ extSig[indexWord( 3, 1 )] = 0;
+ extSig[indexWord( 3, 0 )] = 0;
+ if ( shiftDist ) softfloat_shiftRightJam96M( extSig, shiftDist, extSig );
+ return softfloat_roundMToUI64( sign, extSig, roundingMode, exact );
+#endif
+
+}
+
diff --git a/ext/softfloat/f32_to_ui64_r_minMag.c b/ext/softfloat/f32_to_ui64_r_minMag.c
new file mode 100644
index 0000000..8d84af5
--- /dev/null
+++ b/ext/softfloat/f32_to_ui64_r_minMag.c
@@ -0,0 +1,91 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast64_t f32_to_ui64_r_minMag( float32_t a, bool exact )
+{
+ union ui32_f32 uA;
+ uint_fast32_t uiA;
+ int_fast16_t exp;
+ uint_fast32_t sig;
+ int_fast16_t shiftDist;
+ bool sign;
+ uint_fast64_t sig64, z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF32UI( uiA );
+ sig = fracF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0xBE - exp;
+ if ( 64 <= shiftDist ) {
+ if ( exact && (exp | sig) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sign = signF32UI( uiA );
+ if ( sign || (shiftDist < 0) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0xFF) && sig ? ui64_fromNaN
+ : sign ? ui64_fromNegOverflow : ui64_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig |= 0x00800000;
+ sig64 = (uint_fast64_t) sig<<40;
+ z = sig64>>shiftDist;
+ shiftDist = 40 - shiftDist;
+ if ( exact && (shiftDist < 0) && (uint32_t) (sig<<(shiftDist & 31)) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return z;
+
+}
+
diff --git a/ext/softfloat/f64_add.c b/ext/softfloat/f64_add.c
new file mode 100644
index 0000000..e8b7285
--- /dev/null
+++ b/ext/softfloat/f64_add.c
@@ -0,0 +1,75 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float64_t f64_add( float64_t a, float64_t b )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool signA;
+ union ui64_f64 uB;
+ uint_fast64_t uiB;
+ bool signB;
+#if ! defined INLINE_LEVEL || (INLINE_LEVEL < 2)
+ float64_t (*magsFuncPtr)( uint_fast64_t, uint_fast64_t, bool );
+#endif
+
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF64UI( uiA );
+ uB.f = b;
+ uiB = uB.ui;
+ signB = signF64UI( uiB );
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+ if ( signA == signB ) {
+ return softfloat_addMagsF64( uiA, uiB, signA );
+ } else {
+ return softfloat_subMagsF64( uiA, uiB, signA );
+ }
+#else
+ magsFuncPtr =
+ (signA == signB) ? softfloat_addMagsF64 : softfloat_subMagsF64;
+ return (*magsFuncPtr)( uiA, uiB, signA );
+#endif
+
+}
+
diff --git a/ext/softfloat/f64_classify.c b/ext/softfloat/f64_classify.c
new file mode 100755
index 0000000..fd19310
--- /dev/null
+++ b/ext/softfloat/f64_classify.c
@@ -0,0 +1,37 @@
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast16_t f64_classify( float64_t a )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+
+ uA.f = a;
+ uiA = uA.ui;
+
+ uint_fast16_t infOrNaN = expF64UI( uiA ) == 0x7FF;
+ uint_fast16_t subnormalOrZero = expF64UI( uiA ) == 0;
+ bool sign = signF64UI( uiA );
+ bool fracZero = fracF64UI( uiA ) == 0;
+ bool isNaN = isNaNF64UI( uiA );
+ bool isSNaN = softfloat_isSigNaNF64UI( uiA );
+
+ return
+ ( sign && infOrNaN && fracZero ) << 0 |
+ ( sign && !infOrNaN && !subnormalOrZero ) << 1 |
+ ( sign && subnormalOrZero && !fracZero ) << 2 |
+ ( sign && subnormalOrZero && fracZero ) << 3 |
+ ( !sign && infOrNaN && fracZero ) << 7 |
+ ( !sign && !infOrNaN && !subnormalOrZero ) << 6 |
+ ( !sign && subnormalOrZero && !fracZero ) << 5 |
+ ( !sign && subnormalOrZero && fracZero ) << 4 |
+ ( isNaN && isSNaN ) << 8 |
+ ( isNaN && !isSNaN ) << 9;
+}
+
diff --git a/ext/softfloat/f64_div.c b/ext/softfloat/f64_div.c
new file mode 100644
index 0000000..f33fe9b
--- /dev/null
+++ b/ext/softfloat/f64_div.c
@@ -0,0 +1,173 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float64_t f64_div( float64_t a, float64_t b )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool signA;
+ int_fast16_t expA;
+ uint_fast64_t sigA;
+ union ui64_f64 uB;
+ uint_fast64_t uiB;
+ bool signB;
+ int_fast16_t expB;
+ uint_fast64_t sigB;
+ bool signZ;
+ struct exp16_sig64 normExpSig;
+ int_fast16_t expZ;
+ uint32_t recip32, sig32Z, doubleTerm;
+ uint_fast64_t rem;
+ uint32_t q;
+ uint_fast64_t sigZ;
+ uint_fast64_t uiZ;
+ union ui64_f64 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF64UI( uiA );
+ expA = expF64UI( uiA );
+ sigA = fracF64UI( uiA );
+ uB.f = b;
+ uiB = uB.ui;
+ signB = signF64UI( uiB );
+ expB = expF64UI( uiB );
+ sigB = fracF64UI( uiB );
+ signZ = signA ^ signB;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x7FF ) {
+ if ( sigA ) goto propagateNaN;
+ if ( expB == 0x7FF ) {
+ if ( sigB ) goto propagateNaN;
+ goto invalid;
+ }
+ goto infinity;
+ }
+ if ( expB == 0x7FF ) {
+ if ( sigB ) goto propagateNaN;
+ goto zero;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expB ) {
+ if ( ! sigB ) {
+ if ( ! (expA | sigA) ) goto invalid;
+ softfloat_raiseFlags( softfloat_flag_infinite );
+ goto infinity;
+ }
+ normExpSig = softfloat_normSubnormalF64Sig( sigB );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ if ( ! expA ) {
+ if ( ! sigA ) goto zero;
+ normExpSig = softfloat_normSubnormalF64Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = expA - expB + 0x3FE;
+ sigA |= UINT64_C( 0x0010000000000000 );
+ sigB |= UINT64_C( 0x0010000000000000 );
+ if ( sigA < sigB ) {
+ --expZ;
+ sigA <<= 11;
+ } else {
+ sigA <<= 10;
+ }
+ sigB <<= 11;
+ recip32 = softfloat_approxRecip32_1( sigB>>32 ) - 2;
+ sig32Z = ((uint32_t) (sigA>>32) * (uint_fast64_t) recip32)>>32;
+ doubleTerm = sig32Z<<1;
+ rem =
+ ((sigA - (uint_fast64_t) doubleTerm * (uint32_t) (sigB>>32))<<28)
+ - (uint_fast64_t) doubleTerm * ((uint32_t) sigB>>4);
+ q = (((uint32_t) (rem>>32) * (uint_fast64_t) recip32)>>32) + 4;
+ sigZ = ((uint_fast64_t) sig32Z<<32) + ((uint_fast64_t) q<<4);
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( (sigZ & 0x1FF) < 4<<4 ) {
+ q &= ~7;
+ sigZ &= ~(uint_fast64_t) 0x7F;
+ doubleTerm = q<<1;
+ rem =
+ ((rem - (uint_fast64_t) doubleTerm * (uint32_t) (sigB>>32))<<28)
+ - (uint_fast64_t) doubleTerm * ((uint32_t) sigB>>4);
+ if ( rem & UINT64_C( 0x8000000000000000 ) ) {
+ sigZ -= 1<<7;
+ } else {
+ if ( rem ) sigZ |= 1;
+ }
+ }
+ return softfloat_roundPackToF64( signZ, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF64UI( uiA, uiB );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF64UI;
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ infinity:
+ uiZ = packToF64UI( signZ, 0x7FF, 0 );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zero:
+ uiZ = packToF64UI( signZ, 0, 0 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f64_eq.c b/ext/softfloat/f64_eq.c
new file mode 100644
index 0000000..7e43434
--- /dev/null
+++ b/ext/softfloat/f64_eq.c
@@ -0,0 +1,67 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f64_eq( float64_t a, float64_t b )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ union ui64_f64 uB;
+ uint_fast64_t uiB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF64UI( uiA ) || isNaNF64UI( uiB ) ) {
+ if (
+ softfloat_isSigNaNF64UI( uiA ) || softfloat_isSigNaNF64UI( uiB )
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return false;
+ }
+ return (uiA == uiB) || ! ((uiA | uiB) & UINT64_C( 0x7FFFFFFFFFFFFFFF ));
+
+}
+
diff --git a/ext/softfloat/f64_eq_signaling.c b/ext/softfloat/f64_eq_signaling.c
new file mode 100644
index 0000000..feca270
--- /dev/null
+++ b/ext/softfloat/f64_eq_signaling.c
@@ -0,0 +1,62 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+bool f64_eq_signaling( float64_t a, float64_t b )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ union ui64_f64 uB;
+ uint_fast64_t uiB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF64UI( uiA ) || isNaNF64UI( uiB ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return false;
+ }
+ return (uiA == uiB) || ! ((uiA | uiB) & UINT64_C( 0x7FFFFFFFFFFFFFFF ));
+
+}
+
diff --git a/ext/softfloat/f64_isSignalingNaN.c b/ext/softfloat/f64_isSignalingNaN.c
new file mode 100644
index 0000000..edfbed3
--- /dev/null
+++ b/ext/softfloat/f64_isSignalingNaN.c
@@ -0,0 +1,52 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f64_isSignalingNaN( float64_t a )
+{
+ union ui64_f64 uA;
+
+ uA.f = a;
+ return softfloat_isSigNaNF64UI( uA.ui );
+
+}
+
diff --git a/ext/softfloat/f64_le.c b/ext/softfloat/f64_le.c
new file mode 100644
index 0000000..92de6d0
--- /dev/null
+++ b/ext/softfloat/f64_le.c
@@ -0,0 +1,68 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+bool f64_le( float64_t a, float64_t b )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ union ui64_f64 uB;
+ uint_fast64_t uiB;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF64UI( uiA ) || isNaNF64UI( uiB ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return false;
+ }
+ signA = signF64UI( uiA );
+ signB = signF64UI( uiB );
+ return
+ (signA != signB)
+ ? signA || ! ((uiA | uiB) & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ : (uiA == uiB) || (signA ^ (uiA < uiB));
+
+}
+
diff --git a/ext/softfloat/f64_le_quiet.c b/ext/softfloat/f64_le_quiet.c
new file mode 100644
index 0000000..fcd8eca
--- /dev/null
+++ b/ext/softfloat/f64_le_quiet.c
@@ -0,0 +1,73 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f64_le_quiet( float64_t a, float64_t b )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ union ui64_f64 uB;
+ uint_fast64_t uiB;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF64UI( uiA ) || isNaNF64UI( uiB ) ) {
+ if (
+ softfloat_isSigNaNF64UI( uiA ) || softfloat_isSigNaNF64UI( uiB )
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return false;
+ }
+ signA = signF64UI( uiA );
+ signB = signF64UI( uiB );
+ return
+ (signA != signB)
+ ? signA || ! ((uiA | uiB) & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ : (uiA == uiB) || (signA ^ (uiA < uiB));
+
+}
+
diff --git a/ext/softfloat/f64_lt.c b/ext/softfloat/f64_lt.c
new file mode 100644
index 0000000..5b38870
--- /dev/null
+++ b/ext/softfloat/f64_lt.c
@@ -0,0 +1,68 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+bool f64_lt( float64_t a, float64_t b )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ union ui64_f64 uB;
+ uint_fast64_t uiB;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF64UI( uiA ) || isNaNF64UI( uiB ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return false;
+ }
+ signA = signF64UI( uiA );
+ signB = signF64UI( uiB );
+ return
+ (signA != signB)
+ ? signA && ((uiA | uiB) & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ : (uiA != uiB) && (signA ^ (uiA < uiB));
+
+}
+
diff --git a/ext/softfloat/f64_lt_quiet.c b/ext/softfloat/f64_lt_quiet.c
new file mode 100644
index 0000000..f3ea681
--- /dev/null
+++ b/ext/softfloat/f64_lt_quiet.c
@@ -0,0 +1,73 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+bool f64_lt_quiet( float64_t a, float64_t b )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ union ui64_f64 uB;
+ uint_fast64_t uiB;
+ bool signA, signB;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ if ( isNaNF64UI( uiA ) || isNaNF64UI( uiB ) ) {
+ if (
+ softfloat_isSigNaNF64UI( uiA ) || softfloat_isSigNaNF64UI( uiB )
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return false;
+ }
+ signA = signF64UI( uiA );
+ signB = signF64UI( uiB );
+ return
+ (signA != signB)
+ ? signA && ((uiA | uiB) & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ : (uiA != uiB) && (signA ^ (uiA < uiB));
+
+}
+
diff --git a/ext/softfloat/f64_mul.c b/ext/softfloat/f64_mul.c
new file mode 100644
index 0000000..3c066f3
--- /dev/null
+++ b/ext/softfloat/f64_mul.c
@@ -0,0 +1,151 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float64_t f64_mul( float64_t a, float64_t b )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool signA;
+ int_fast16_t expA;
+ uint_fast64_t sigA;
+ union ui64_f64 uB;
+ uint_fast64_t uiB;
+ bool signB;
+ int_fast16_t expB;
+ uint_fast64_t sigB;
+ bool signZ;
+ uint_fast64_t magBits;
+ struct exp16_sig64 normExpSig;
+ int_fast16_t expZ;
+#ifdef SOFTFLOAT_FAST_INT64
+ struct uint128 sig128Z;
+#else
+ uint32_t sig128Z[4];
+#endif
+ uint_fast64_t sigZ, uiZ;
+ union ui64_f64 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF64UI( uiA );
+ expA = expF64UI( uiA );
+ sigA = fracF64UI( uiA );
+ uB.f = b;
+ uiB = uB.ui;
+ signB = signF64UI( uiB );
+ expB = expF64UI( uiB );
+ sigB = fracF64UI( uiB );
+ signZ = signA ^ signB;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x7FF ) {
+ if ( sigA || ((expB == 0x7FF) && sigB) ) goto propagateNaN;
+ magBits = expB | sigB;
+ goto infArg;
+ }
+ if ( expB == 0x7FF ) {
+ if ( sigB ) goto propagateNaN;
+ magBits = expA | sigA;
+ goto infArg;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) {
+ if ( ! sigA ) goto zero;
+ normExpSig = softfloat_normSubnormalF64Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ if ( ! expB ) {
+ if ( ! sigB ) goto zero;
+ normExpSig = softfloat_normSubnormalF64Sig( sigB );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = expA + expB - 0x3FF;
+ sigA = (sigA | UINT64_C( 0x0010000000000000 ))<<10;
+ sigB = (sigB | UINT64_C( 0x0010000000000000 ))<<11;
+#ifdef SOFTFLOAT_FAST_INT64
+ sig128Z = softfloat_mul64To128( sigA, sigB );
+ sigZ = sig128Z.v64 | (sig128Z.v0 != 0);
+#else
+ softfloat_mul64To128M( sigA, sigB, sig128Z );
+ sigZ =
+ (uint64_t) sig128Z[indexWord( 4, 3 )]<<32 | sig128Z[indexWord( 4, 2 )];
+ if ( sig128Z[indexWord( 4, 1 )] || sig128Z[indexWord( 4, 0 )] ) sigZ |= 1;
+#endif
+ if ( sigZ < UINT64_C( 0x4000000000000000 ) ) {
+ --expZ;
+ sigZ <<= 1;
+ }
+ return softfloat_roundPackToF64( signZ, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF64UI( uiA, uiB );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ infArg:
+ if ( ! magBits ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF64UI;
+ } else {
+ uiZ = packToF64UI( signZ, 0x7FF, 0 );
+ }
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zero:
+ uiZ = packToF64UI( signZ, 0, 0 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f64_mulAdd.c b/ext/softfloat/f64_mulAdd.c
new file mode 100644
index 0000000..483340d
--- /dev/null
+++ b/ext/softfloat/f64_mulAdd.c
@@ -0,0 +1,61 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float64_t f64_mulAdd( float64_t a, float64_t b, float64_t c )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ union ui64_f64 uB;
+ uint_fast64_t uiB;
+ union ui64_f64 uC;
+ uint_fast64_t uiC;
+
+ uA.f = a;
+ uiA = uA.ui;
+ uB.f = b;
+ uiB = uB.ui;
+ uC.f = c;
+ uiC = uC.ui;
+ return softfloat_mulAddF64( uiA, uiB, uiC, 0 );
+
+}
+
diff --git a/ext/softfloat/f64_rem.c b/ext/softfloat/f64_rem.c
new file mode 100644
index 0000000..4cdacb0
--- /dev/null
+++ b/ext/softfloat/f64_rem.c
@@ -0,0 +1,190 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float64_t f64_rem( float64_t a, float64_t b )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool signA;
+ int_fast16_t expA;
+ uint_fast64_t sigA;
+ union ui64_f64 uB;
+ uint_fast64_t uiB;
+ int_fast16_t expB;
+ uint_fast64_t sigB;
+ struct exp16_sig64 normExpSig;
+ uint64_t rem;
+ int_fast16_t expDiff;
+ uint32_t q, recip32;
+ uint_fast64_t q64;
+ uint64_t altRem, meanRem;
+ bool signRem;
+ uint_fast64_t uiZ;
+ union ui64_f64 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF64UI( uiA );
+ expA = expF64UI( uiA );
+ sigA = fracF64UI( uiA );
+ uB.f = b;
+ uiB = uB.ui;
+ expB = expF64UI( uiB );
+ sigB = fracF64UI( uiB );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x7FF ) {
+ if ( sigA || ((expB == 0x7FF) && sigB) ) goto propagateNaN;
+ goto invalid;
+ }
+ if ( expB == 0x7FF ) {
+ if ( sigB ) goto propagateNaN;
+ return a;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA < expB - 1 ) return a;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expB ) {
+ if ( ! sigB ) goto invalid;
+ normExpSig = softfloat_normSubnormalF64Sig( sigB );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ if ( ! expA ) {
+ if ( ! sigA ) return a;
+ normExpSig = softfloat_normSubnormalF64Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ rem = sigA | UINT64_C( 0x0010000000000000 );
+ sigB |= UINT64_C( 0x0010000000000000 );
+ expDiff = expA - expB;
+ if ( expDiff < 1 ) {
+ if ( expDiff < -1 ) return a;
+ sigB <<= 9;
+ if ( expDiff ) {
+ rem <<= 8;
+ q = 0;
+ } else {
+ rem <<= 9;
+ q = (sigB <= rem);
+ if ( q ) rem -= sigB;
+ }
+ } else {
+ recip32 = softfloat_approxRecip32_1( sigB>>21 );
+ /*--------------------------------------------------------------------
+ | Changing the shift of `rem' here requires also changing the initial
+ | subtraction from `expDiff'.
+ *--------------------------------------------------------------------*/
+ rem <<= 9;
+ expDiff -= 30;
+ /*--------------------------------------------------------------------
+ | The scale of `sigB' affects how many bits are obtained during each
+ | cycle of the loop. Currently this is 29 bits per loop iteration,
+ | the maximum possible.
+ *--------------------------------------------------------------------*/
+ sigB <<= 9;
+ for (;;) {
+ q64 = (uint32_t) (rem>>32) * (uint_fast64_t) recip32;
+ if ( expDiff < 0 ) break;
+ q = (q64 + 0x80000000)>>32;
+#ifdef SOFTFLOAT_FAST_INT64
+ rem <<= 29;
+#else
+ rem = (uint_fast64_t) (uint32_t) (rem>>3)<<32;
+#endif
+ rem -= q * (uint64_t) sigB;
+ if ( rem & UINT64_C( 0x8000000000000000 ) ) rem += sigB;
+ expDiff -= 29;
+ }
+ /*--------------------------------------------------------------------
+ | (`expDiff' cannot be less than -29 here.)
+ *--------------------------------------------------------------------*/
+ q = (uint32_t) (q64>>32)>>(~expDiff & 31);
+ rem = (rem<<(expDiff + 30)) - q * (uint64_t) sigB;
+ if ( rem & UINT64_C( 0x8000000000000000 ) ) {
+ altRem = rem + sigB;
+ goto selectRem;
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ do {
+ altRem = rem;
+ ++q;
+ rem -= sigB;
+ } while ( ! (rem & UINT64_C( 0x8000000000000000 )) );
+ selectRem:
+ meanRem = rem + altRem;
+ if (
+ (meanRem & UINT64_C( 0x8000000000000000 )) || (! meanRem && (q & 1))
+ ) {
+ rem = altRem;
+ }
+ signRem = signA;
+ if ( rem & UINT64_C( 0x8000000000000000 ) ) {
+ signRem = ! signRem;
+ rem = -rem;
+ }
+ return softfloat_normRoundPackToF64( signRem, expB, rem );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF64UI( uiA, uiB );
+ goto uiZ;
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF64UI;
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f64_roundToInt.c b/ext/softfloat/f64_roundToInt.c
new file mode 100644
index 0000000..74498f2
--- /dev/null
+++ b/ext/softfloat/f64_roundToInt.c
@@ -0,0 +1,113 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2017 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float64_t f64_roundToInt( float64_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ int_fast16_t exp;
+ uint_fast64_t uiZ, lastBitMask, roundBitsMask;
+ union ui64_f64 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF64UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp <= 0x3FE ) {
+ if ( ! (uiA & UINT64_C( 0x7FFFFFFFFFFFFFFF )) ) return a;
+ if ( exact ) softfloat_exceptionFlags |= softfloat_flag_inexact;
+ uiZ = uiA & packToF64UI( 1, 0, 0 );
+ switch ( roundingMode ) {
+ case softfloat_round_near_even:
+ if ( ! fracF64UI( uiA ) ) break;
+ case softfloat_round_near_maxMag:
+ if ( exp == 0x3FE ) uiZ |= packToF64UI( 0, 0x3FF, 0 );
+ break;
+ case softfloat_round_min:
+ if ( uiZ ) uiZ = packToF64UI( 1, 0x3FF, 0 );
+ break;
+ case softfloat_round_max:
+ if ( ! uiZ ) uiZ = packToF64UI( 0, 0x3FF, 0 );
+ break;
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0x433 <= exp ) {
+ if ( (exp == 0x7FF) && fracF64UI( uiA ) ) {
+ uiZ = softfloat_propagateNaNF64UI( uiA, 0 );
+ goto uiZ;
+ }
+ return a;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ = uiA;
+ lastBitMask = (uint_fast64_t) 1<<(0x433 - exp);
+ roundBitsMask = lastBitMask - 1;
+ if ( roundingMode == softfloat_round_near_maxMag ) {
+ uiZ += lastBitMask>>1;
+ } else if ( roundingMode == softfloat_round_near_even ) {
+ uiZ += lastBitMask>>1;
+ if ( ! (uiZ & roundBitsMask) ) uiZ &= ~lastBitMask;
+ } else if (
+ roundingMode
+ == (signF64UI( uiZ ) ? softfloat_round_min : softfloat_round_max)
+ ) {
+ uiZ += roundBitsMask;
+ }
+ uiZ &= ~roundBitsMask;
+ if ( exact && (uiZ != uiA) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f64_sqrt.c b/ext/softfloat/f64_sqrt.c
new file mode 100644
index 0000000..5c765b1
--- /dev/null
+++ b/ext/softfloat/f64_sqrt.c
@@ -0,0 +1,134 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2017 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float64_t f64_sqrt( float64_t a )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool signA;
+ int_fast16_t expA;
+ uint_fast64_t sigA, uiZ;
+ struct exp16_sig64 normExpSig;
+ int_fast16_t expZ;
+ uint32_t sig32A, recipSqrt32, sig32Z;
+ uint_fast64_t rem;
+ uint32_t q;
+ uint_fast64_t sigZ, shiftedSigZ;
+ union ui64_f64 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF64UI( uiA );
+ expA = expF64UI( uiA );
+ sigA = fracF64UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x7FF ) {
+ if ( sigA ) {
+ uiZ = softfloat_propagateNaNF64UI( uiA, 0 );
+ goto uiZ;
+ }
+ if ( ! signA ) return a;
+ goto invalid;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( signA ) {
+ if ( ! (expA | sigA) ) return a;
+ goto invalid;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) {
+ if ( ! sigA ) return a;
+ normExpSig = softfloat_normSubnormalF64Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ | (`sig32Z' is guaranteed to be a lower bound on the square root of
+ | `sig32A', which makes `sig32Z' also a lower bound on the square root of
+ | `sigA'.)
+ *------------------------------------------------------------------------*/
+ expZ = ((expA - 0x3FF)>>1) + 0x3FE;
+ expA &= 1;
+ sigA |= UINT64_C( 0x0010000000000000 );
+ sig32A = sigA>>21;
+ recipSqrt32 = softfloat_approxRecipSqrt32_1( expA, sig32A );
+ sig32Z = ((uint_fast64_t) sig32A * recipSqrt32)>>32;
+ if ( expA ) {
+ sigA <<= 8;
+ sig32Z >>= 1;
+ } else {
+ sigA <<= 9;
+ }
+ rem = sigA - (uint_fast64_t) sig32Z * sig32Z;
+ q = ((uint32_t) (rem>>2) * (uint_fast64_t) recipSqrt32)>>32;
+ sigZ = ((uint_fast64_t) sig32Z<<32 | 1<<5) + ((uint_fast64_t) q<<3);
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( (sigZ & 0x1FF) < 0x22 ) {
+ sigZ &= ~(uint_fast64_t) 0x3F;
+ shiftedSigZ = sigZ>>6;
+ rem = (sigA<<52) - shiftedSigZ * shiftedSigZ;
+ if ( rem & UINT64_C( 0x8000000000000000 ) ) {
+ --sigZ;
+ } else {
+ if ( rem ) sigZ |= 1;
+ }
+ }
+ return softfloat_roundPackToF64( 0, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF64UI;
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f64_sub.c b/ext/softfloat/f64_sub.c
new file mode 100644
index 0000000..429c33d
--- /dev/null
+++ b/ext/softfloat/f64_sub.c
@@ -0,0 +1,75 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float64_t f64_sub( float64_t a, float64_t b )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool signA;
+ union ui64_f64 uB;
+ uint_fast64_t uiB;
+ bool signB;
+#if ! defined INLINE_LEVEL || (INLINE_LEVEL < 2)
+ float64_t (*magsFuncPtr)( uint_fast64_t, uint_fast64_t, bool );
+#endif
+
+ uA.f = a;
+ uiA = uA.ui;
+ signA = signF64UI( uiA );
+ uB.f = b;
+ uiB = uB.ui;
+ signB = signF64UI( uiB );
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+ if ( signA == signB ) {
+ return softfloat_subMagsF64( uiA, uiB, signA );
+ } else {
+ return softfloat_addMagsF64( uiA, uiB, signA );
+ }
+#else
+ magsFuncPtr =
+ (signA == signB) ? softfloat_subMagsF64 : softfloat_addMagsF64;
+ return (*magsFuncPtr)( uiA, uiB, signA );
+#endif
+
+}
+
diff --git a/ext/softfloat/f64_to_f128.c b/ext/softfloat/f64_to_f128.c
new file mode 100644
index 0000000..ca88bb4
--- /dev/null
+++ b/ext/softfloat/f64_to_f128.c
@@ -0,0 +1,99 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float128_t f64_to_f128( float64_t a )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast64_t frac;
+ struct commonNaN commonNaN;
+ struct uint128 uiZ;
+ struct exp16_sig64 normExpSig;
+ struct uint128 frac128;
+ union ui128_f128 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF64UI( uiA );
+ exp = expF64UI( uiA );
+ frac = fracF64UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x7FF ) {
+ if ( frac ) {
+ softfloat_f64UIToCommonNaN( uiA, &commonNaN );
+ uiZ = softfloat_commonNaNToF128UI( &commonNaN );
+ } else {
+ uiZ.v64 = packToF128UI64( sign, 0x7FFF, 0 );
+ uiZ.v0 = 0;
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! exp ) {
+ if ( ! frac ) {
+ uiZ.v64 = packToF128UI64( sign, 0, 0 );
+ uiZ.v0 = 0;
+ goto uiZ;
+ }
+ normExpSig = softfloat_normSubnormalF64Sig( frac );
+ exp = normExpSig.exp - 1;
+ frac = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ frac128 = softfloat_shortShiftLeft128( 0, frac, 60 );
+ uiZ.v64 = packToF128UI64( sign, exp + 0x3C00, frac128.v64 );
+ uiZ.v0 = frac128.v0;
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f64_to_f16.c b/ext/softfloat/f64_to_f16.c
new file mode 100644
index 0000000..0efddc6
--- /dev/null
+++ b/ext/softfloat/f64_to_f16.c
@@ -0,0 +1,89 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float16_t f64_to_f16( float64_t a )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast64_t frac;
+ struct commonNaN commonNaN;
+ uint_fast16_t uiZ, frac16;
+ union ui16_f16 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF64UI( uiA );
+ exp = expF64UI( uiA );
+ frac = fracF64UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x7FF ) {
+ if ( frac ) {
+ softfloat_f64UIToCommonNaN( uiA, &commonNaN );
+ uiZ = softfloat_commonNaNToF16UI( &commonNaN );
+ } else {
+ uiZ = packToF16UI( sign, 0x1F, 0 );
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ frac16 = softfloat_shortShiftRightJam64( frac, 38 );
+ if ( ! (exp | frac16) ) {
+ uiZ = packToF16UI( sign, 0, 0 );
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ return softfloat_roundPackToF16( sign, exp - 0x3F1, frac16 | 0x4000 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f64_to_f32.c b/ext/softfloat/f64_to_f32.c
new file mode 100644
index 0000000..578c9f9
--- /dev/null
+++ b/ext/softfloat/f64_to_f32.c
@@ -0,0 +1,89 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float32_t f64_to_f32( float64_t a )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast64_t frac;
+ struct commonNaN commonNaN;
+ uint_fast32_t uiZ, frac32;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF64UI( uiA );
+ exp = expF64UI( uiA );
+ frac = fracF64UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x7FF ) {
+ if ( frac ) {
+ softfloat_f64UIToCommonNaN( uiA, &commonNaN );
+ uiZ = softfloat_commonNaNToF32UI( &commonNaN );
+ } else {
+ uiZ = packToF32UI( sign, 0xFF, 0 );
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ frac32 = softfloat_shortShiftRightJam64( frac, 22 );
+ if ( ! (exp | frac32) ) {
+ uiZ = packToF32UI( sign, 0, 0 );
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ return softfloat_roundPackToF32( sign, exp - 0x381, frac32 | 0x40000000 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/f64_to_i32.c b/ext/softfloat/f64_to_i32.c
new file mode 100644
index 0000000..f4f12cd
--- /dev/null
+++ b/ext/softfloat/f64_to_i32.c
@@ -0,0 +1,83 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast32_t f64_to_i32( float64_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast64_t sig;
+ int_fast16_t shiftDist;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF64UI( uiA );
+ exp = expF64UI( uiA );
+ sig = fracF64UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+#if (i32_fromNaN != i32_fromPosOverflow) || (i32_fromNaN != i32_fromNegOverflow)
+ if ( (exp == 0x7FF) && sig ) {
+#if (i32_fromNaN == i32_fromPosOverflow)
+ sign = 0;
+#elif (i32_fromNaN == i32_fromNegOverflow)
+ sign = 1;
+#else
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return i32_fromNaN;
+#endif
+ }
+#endif
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp ) sig |= UINT64_C( 0x0010000000000000 );
+ shiftDist = 0x427 - exp;
+ if ( 0 < shiftDist ) sig = softfloat_shiftRightJam64( sig, shiftDist );
+ return softfloat_roundToI32( sign, sig, roundingMode, exact );
+
+}
+
diff --git a/ext/softfloat/f64_to_i32_r_minMag.c b/ext/softfloat/f64_to_i32_r_minMag.c
new file mode 100644
index 0000000..fd336cf
--- /dev/null
+++ b/ext/softfloat/f64_to_i32_r_minMag.c
@@ -0,0 +1,97 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast32_t f64_to_i32_r_minMag( float64_t a, bool exact )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ int_fast16_t exp;
+ uint_fast64_t sig;
+ int_fast16_t shiftDist;
+ bool sign;
+ int_fast32_t absZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF64UI( uiA );
+ sig = fracF64UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0x433 - exp;
+ if ( 53 <= shiftDist ) {
+ if ( exact && (exp | sig) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sign = signF64UI( uiA );
+ if ( shiftDist < 22 ) {
+ if (
+ sign && (exp == 0x41E) && (sig < UINT64_C( 0x0000000000200000 ))
+ ) {
+ if ( exact && sig ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return -0x7FFFFFFF - 1;
+ }
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x7FF) && sig ? i32_fromNaN
+ : sign ? i32_fromNegOverflow : i32_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig |= UINT64_C( 0x0010000000000000 );
+ absZ = sig>>shiftDist;
+ if ( exact && ((uint_fast64_t) (uint_fast32_t) absZ<<shiftDist != sig) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return sign ? -absZ : absZ;
+
+}
+
diff --git a/ext/softfloat/f64_to_i64.c b/ext/softfloat/f64_to_i64.c
new file mode 100644
index 0000000..ac8a978
--- /dev/null
+++ b/ext/softfloat/f64_to_i64.c
@@ -0,0 +1,104 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast64_t f64_to_i64( float64_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast64_t sig;
+ int_fast16_t shiftDist;
+#ifdef SOFTFLOAT_FAST_INT64
+ struct uint64_extra sigExtra;
+#else
+ uint32_t extSig[3];
+#endif
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF64UI( uiA );
+ exp = expF64UI( uiA );
+ sig = fracF64UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp ) sig |= UINT64_C( 0x0010000000000000 );
+ shiftDist = 0x433 - exp;
+#ifdef SOFTFLOAT_FAST_INT64
+ if ( shiftDist <= 0 ) {
+ if ( shiftDist < -11 ) goto invalid;
+ sigExtra.v = sig<<-shiftDist;
+ sigExtra.extra = 0;
+ } else {
+ sigExtra = softfloat_shiftRightJam64Extra( sig, 0, shiftDist );
+ }
+ return
+ softfloat_roundToI64(
+ sign, sigExtra.v, sigExtra.extra, roundingMode, exact );
+#else
+ extSig[indexWord( 3, 0 )] = 0;
+ if ( shiftDist <= 0 ) {
+ if ( shiftDist < -11 ) goto invalid;
+ sig <<= -shiftDist;
+ extSig[indexWord( 3, 2 )] = sig>>32;
+ extSig[indexWord( 3, 1 )] = sig;
+ } else {
+ extSig[indexWord( 3, 2 )] = sig>>32;
+ extSig[indexWord( 3, 1 )] = sig;
+ softfloat_shiftRightJam96M( extSig, shiftDist, extSig );
+ }
+ return softfloat_roundMToI64( sign, extSig, roundingMode, exact );
+#endif
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x7FF) && fracF64UI( uiA ) ? i64_fromNaN
+ : sign ? i64_fromNegOverflow : i64_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/f64_to_i64_r_minMag.c b/ext/softfloat/f64_to_i64_r_minMag.c
new file mode 100644
index 0000000..0b4e571
--- /dev/null
+++ b/ext/softfloat/f64_to_i64_r_minMag.c
@@ -0,0 +1,101 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast64_t f64_to_i64_r_minMag( float64_t a, bool exact )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast64_t sig;
+ int_fast16_t shiftDist;
+ int_fast64_t absZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF64UI( uiA );
+ exp = expF64UI( uiA );
+ sig = fracF64UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0x433 - exp;
+ if ( shiftDist <= 0 ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( shiftDist < -10 ) {
+ if ( uiA == packToF64UI( 1, 0x43E, 0 ) ) {
+ return -INT64_C( 0x7FFFFFFFFFFFFFFF ) - 1;
+ }
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x7FF) && sig ? i64_fromNaN
+ : sign ? i64_fromNegOverflow : i64_fromPosOverflow;
+ }
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ sig |= UINT64_C( 0x0010000000000000 );
+ absZ = sig<<-shiftDist;
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( 53 <= shiftDist ) {
+ if ( exact && (exp | sig) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ sig |= UINT64_C( 0x0010000000000000 );
+ absZ = sig>>shiftDist;
+ if ( exact && (absZ<<shiftDist != sig) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ }
+ return sign ? -absZ : absZ;
+
+}
+
diff --git a/ext/softfloat/f64_to_ui32.c b/ext/softfloat/f64_to_ui32.c
new file mode 100644
index 0000000..7f70596
--- /dev/null
+++ b/ext/softfloat/f64_to_ui32.c
@@ -0,0 +1,83 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast32_t f64_to_ui32( float64_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast64_t sig;
+ int_fast16_t shiftDist;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF64UI( uiA );
+ exp = expF64UI( uiA );
+ sig = fracF64UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+#if (ui32_fromNaN != ui32_fromPosOverflow) || (ui32_fromNaN != ui32_fromNegOverflow)
+ if ( (exp == 0x7FF) && sig ) {
+#if (ui32_fromNaN == ui32_fromPosOverflow)
+ sign = 0;
+#elif (ui32_fromNaN == ui32_fromNegOverflow)
+ sign = 1;
+#else
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return ui32_fromNaN;
+#endif
+ }
+#endif
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp ) sig |= UINT64_C( 0x0010000000000000 );
+ shiftDist = 0x427 - exp;
+ if ( 0 < shiftDist ) sig = softfloat_shiftRightJam64( sig, shiftDist );
+ return softfloat_roundToUI32( sign, sig, roundingMode, exact );
+
+}
+
diff --git a/ext/softfloat/f64_to_ui32_r_minMag.c b/ext/softfloat/f64_to_ui32_r_minMag.c
new file mode 100644
index 0000000..bf10a85
--- /dev/null
+++ b/ext/softfloat/f64_to_ui32_r_minMag.c
@@ -0,0 +1,89 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast32_t f64_to_ui32_r_minMag( float64_t a, bool exact )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ int_fast16_t exp;
+ uint_fast64_t sig;
+ int_fast16_t shiftDist;
+ bool sign;
+ uint_fast32_t z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF64UI( uiA );
+ sig = fracF64UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0x433 - exp;
+ if ( 53 <= shiftDist ) {
+ if ( exact && (exp | sig) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sign = signF64UI( uiA );
+ if ( sign || (shiftDist < 21) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x7FF) && sig ? ui32_fromNaN
+ : sign ? ui32_fromNegOverflow : ui32_fromPosOverflow;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig |= UINT64_C( 0x0010000000000000 );
+ z = sig>>shiftDist;
+ if ( exact && ((uint_fast64_t) z<<shiftDist != sig) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return z;
+
+}
+
diff --git a/ext/softfloat/f64_to_ui64.c b/ext/softfloat/f64_to_ui64.c
new file mode 100644
index 0000000..3898df1
--- /dev/null
+++ b/ext/softfloat/f64_to_ui64.c
@@ -0,0 +1,104 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast64_t f64_to_ui64( float64_t a, uint_fast8_t roundingMode, bool exact )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ bool sign;
+ int_fast16_t exp;
+ uint_fast64_t sig;
+ int_fast16_t shiftDist;
+#ifdef SOFTFLOAT_FAST_INT64
+ struct uint64_extra sigExtra;
+#else
+ uint32_t extSig[3];
+#endif
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF64UI( uiA );
+ exp = expF64UI( uiA );
+ sig = fracF64UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp ) sig |= UINT64_C( 0x0010000000000000 );
+ shiftDist = 0x433 - exp;
+#ifdef SOFTFLOAT_FAST_INT64
+ if ( shiftDist <= 0 ) {
+ if ( shiftDist < -11 ) goto invalid;
+ sigExtra.v = sig<<-shiftDist;
+ sigExtra.extra = 0;
+ } else {
+ sigExtra = softfloat_shiftRightJam64Extra( sig, 0, shiftDist );
+ }
+ return
+ softfloat_roundToUI64(
+ sign, sigExtra.v, sigExtra.extra, roundingMode, exact );
+#else
+ extSig[indexWord( 3, 0 )] = 0;
+ if ( shiftDist <= 0 ) {
+ if ( shiftDist < -11 ) goto invalid;
+ sig <<= -shiftDist;
+ extSig[indexWord( 3, 2 )] = sig>>32;
+ extSig[indexWord( 3, 1 )] = sig;
+ } else {
+ extSig[indexWord( 3, 2 )] = sig>>32;
+ extSig[indexWord( 3, 1 )] = sig;
+ softfloat_shiftRightJam96M( extSig, shiftDist, extSig );
+ }
+ return softfloat_roundMToUI64( sign, extSig, roundingMode, exact );
+#endif
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x7FF) && fracF64UI( uiA ) ? ui64_fromNaN
+ : sign ? ui64_fromNegOverflow : ui64_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/f64_to_ui64_r_minMag.c b/ext/softfloat/f64_to_ui64_r_minMag.c
new file mode 100644
index 0000000..fee3d0c
--- /dev/null
+++ b/ext/softfloat/f64_to_ui64_r_minMag.c
@@ -0,0 +1,94 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast64_t f64_to_ui64_r_minMag( float64_t a, bool exact )
+{
+ union ui64_f64 uA;
+ uint_fast64_t uiA;
+ int_fast16_t exp;
+ uint_fast64_t sig;
+ int_fast16_t shiftDist;
+ bool sign;
+ uint_fast64_t z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ exp = expF64UI( uiA );
+ sig = fracF64UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 0x433 - exp;
+ if ( 53 <= shiftDist ) {
+ if ( exact && (exp | sig) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sign = signF64UI( uiA );
+ if ( sign ) goto invalid;
+ if ( shiftDist <= 0 ) {
+ if ( shiftDist < -11 ) goto invalid;
+ z = (sig | UINT64_C( 0x0010000000000000 ))<<-shiftDist;
+ } else {
+ sig |= UINT64_C( 0x0010000000000000 );
+ z = sig>>shiftDist;
+ if ( exact && (uint64_t) (sig<<(-shiftDist & 63)) ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ }
+ return z;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return
+ (exp == 0x7FF) && sig ? ui64_fromNaN
+ : sign ? ui64_fromNegOverflow : ui64_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/i32_to_f128.c b/ext/softfloat/i32_to_f128.c
new file mode 100644
index 0000000..a369429
--- /dev/null
+++ b/ext/softfloat/i32_to_f128.c
@@ -0,0 +1,65 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float128_t i32_to_f128( int32_t a )
+{
+ uint_fast64_t uiZ64;
+ bool sign;
+ uint_fast32_t absA;
+ int_fast8_t shiftDist;
+ union ui128_f128 uZ;
+
+ uiZ64 = 0;
+ if ( a ) {
+ sign = (a < 0);
+ absA = sign ? -(uint_fast32_t) a : (uint_fast32_t) a;
+ shiftDist = softfloat_countLeadingZeros32( absA ) + 17;
+ uiZ64 =
+ packToF128UI64(
+ sign, 0x402E - shiftDist, (uint_fast64_t) absA<<shiftDist );
+ }
+ uZ.ui.v64 = uiZ64;
+ uZ.ui.v0 = 0;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/i32_to_f16.c b/ext/softfloat/i32_to_f16.c
new file mode 100644
index 0000000..b3aa50e
--- /dev/null
+++ b/ext/softfloat/i32_to_f16.c
@@ -0,0 +1,72 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float16_t i32_to_f16( int32_t a )
+{
+ bool sign;
+ uint_fast32_t absA;
+ int_fast8_t shiftDist;
+ union ui16_f16 u;
+ uint_fast16_t sig;
+
+ sign = (a < 0);
+ absA = sign ? -(uint_fast32_t) a : (uint_fast32_t) a;
+ shiftDist = softfloat_countLeadingZeros32( absA ) - 21;
+ if ( 0 <= shiftDist ) {
+ u.ui =
+ a ? packToF16UI(
+ sign, 0x18 - shiftDist, (uint_fast16_t) absA<<shiftDist )
+ : 0;
+ return u.f;
+ } else {
+ shiftDist += 4;
+ sig =
+ (shiftDist < 0)
+ ? absA>>(-shiftDist)
+ | ((uint32_t) (absA<<(shiftDist & 31)) != 0)
+ : (uint_fast16_t) absA<<shiftDist;
+ return softfloat_roundPackToF16( sign, 0x1C - shiftDist, sig );
+ }
+
+}
+
diff --git a/ext/softfloat/i32_to_f32.c b/ext/softfloat/i32_to_f32.c
new file mode 100644
index 0000000..b821727
--- /dev/null
+++ b/ext/softfloat/i32_to_f32.c
@@ -0,0 +1,59 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float32_t i32_to_f32( int32_t a )
+{
+ bool sign;
+ union ui32_f32 uZ;
+ uint_fast32_t absA;
+
+ sign = (a < 0);
+ if ( ! (a & 0x7FFFFFFF) ) {
+ uZ.ui = sign ? packToF32UI( 1, 0x9E, 0 ) : 0;
+ return uZ.f;
+ }
+ absA = sign ? -(uint_fast32_t) a : (uint_fast32_t) a;
+ return softfloat_normRoundPackToF32( sign, 0x9C, absA );
+
+}
+
diff --git a/ext/softfloat/i32_to_f64.c b/ext/softfloat/i32_to_f64.c
new file mode 100644
index 0000000..3813783
--- /dev/null
+++ b/ext/softfloat/i32_to_f64.c
@@ -0,0 +1,66 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float64_t i32_to_f64( int32_t a )
+{
+ uint_fast64_t uiZ;
+ bool sign;
+ uint_fast32_t absA;
+ int_fast8_t shiftDist;
+ union ui64_f64 uZ;
+
+ if ( ! a ) {
+ uiZ = 0;
+ } else {
+ sign = (a < 0);
+ absA = sign ? -(uint_fast32_t) a : (uint_fast32_t) a;
+ shiftDist = softfloat_countLeadingZeros32( absA ) + 21;
+ uiZ =
+ packToF64UI(
+ sign, 0x432 - shiftDist, (uint_fast64_t) absA<<shiftDist );
+ }
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/i64_to_f128.c b/ext/softfloat/i64_to_f128.c
new file mode 100644
index 0000000..f2c660d
--- /dev/null
+++ b/ext/softfloat/i64_to_f128.c
@@ -0,0 +1,73 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float128_t i64_to_f128( int64_t a )
+{
+ uint_fast64_t uiZ64, uiZ0;
+ bool sign;
+ uint_fast64_t absA;
+ int_fast8_t shiftDist;
+ struct uint128 zSig;
+ union ui128_f128 uZ;
+
+ if ( ! a ) {
+ uiZ64 = 0;
+ uiZ0 = 0;
+ } else {
+ sign = (a < 0);
+ absA = sign ? -(uint_fast64_t) a : (uint_fast64_t) a;
+ shiftDist = softfloat_countLeadingZeros64( absA ) + 49;
+ if ( 64 <= shiftDist ) {
+ zSig.v64 = absA<<(shiftDist - 64);
+ zSig.v0 = 0;
+ } else {
+ zSig = softfloat_shortShiftLeft128( 0, absA, shiftDist );
+ }
+ uiZ64 = packToF128UI64( sign, 0x406E - shiftDist, zSig.v64 );
+ uiZ0 = zSig.v0;
+ }
+ uZ.ui.v64 = uiZ64;
+ uZ.ui.v0 = uiZ0;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/i64_to_f16.c b/ext/softfloat/i64_to_f16.c
new file mode 100644
index 0000000..6c2709e
--- /dev/null
+++ b/ext/softfloat/i64_to_f16.c
@@ -0,0 +1,71 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float16_t i64_to_f16( int64_t a )
+{
+ bool sign;
+ uint_fast64_t absA;
+ int_fast8_t shiftDist;
+ union ui16_f16 u;
+ uint_fast16_t sig;
+
+ sign = (a < 0);
+ absA = sign ? -(uint_fast64_t) a : (uint_fast64_t) a;
+ shiftDist = softfloat_countLeadingZeros64( absA ) - 53;
+ if ( 0 <= shiftDist ) {
+ u.ui =
+ a ? packToF16UI(
+ sign, 0x18 - shiftDist, (uint_fast16_t) absA<<shiftDist )
+ : 0;
+ return u.f;
+ } else {
+ shiftDist += 4;
+ sig =
+ (shiftDist < 0)
+ ? softfloat_shortShiftRightJam64( absA, -shiftDist )
+ : (uint_fast16_t) absA<<shiftDist;
+ return softfloat_roundPackToF16( sign, 0x1C - shiftDist, sig );
+ }
+
+}
+
diff --git a/ext/softfloat/i64_to_f32.c b/ext/softfloat/i64_to_f32.c
new file mode 100644
index 0000000..ee47d9d
--- /dev/null
+++ b/ext/softfloat/i64_to_f32.c
@@ -0,0 +1,71 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float32_t i64_to_f32( int64_t a )
+{
+ bool sign;
+ uint_fast64_t absA;
+ int_fast8_t shiftDist;
+ union ui32_f32 u;
+ uint_fast32_t sig;
+
+ sign = (a < 0);
+ absA = sign ? -(uint_fast64_t) a : (uint_fast64_t) a;
+ shiftDist = softfloat_countLeadingZeros64( absA ) - 40;
+ if ( 0 <= shiftDist ) {
+ u.ui =
+ a ? packToF32UI(
+ sign, 0x95 - shiftDist, (uint_fast32_t) absA<<shiftDist )
+ : 0;
+ return u.f;
+ } else {
+ shiftDist += 7;
+ sig =
+ (shiftDist < 0)
+ ? softfloat_shortShiftRightJam64( absA, -shiftDist )
+ : (uint_fast32_t) absA<<shiftDist;
+ return softfloat_roundPackToF32( sign, 0x9C - shiftDist, sig );
+ }
+
+}
+
diff --git a/ext/softfloat/i64_to_f64.c b/ext/softfloat/i64_to_f64.c
new file mode 100644
index 0000000..b786878
--- /dev/null
+++ b/ext/softfloat/i64_to_f64.c
@@ -0,0 +1,59 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float64_t i64_to_f64( int64_t a )
+{
+ bool sign;
+ union ui64_f64 uZ;
+ uint_fast64_t absA;
+
+ sign = (a < 0);
+ if ( ! (a & UINT64_C( 0x7FFFFFFFFFFFFFFF )) ) {
+ uZ.ui = sign ? packToF64UI( 1, 0x43E, 0 ) : 0;
+ return uZ.f;
+ }
+ absA = sign ? -(uint_fast64_t) a : (uint_fast64_t) a;
+ return softfloat_normRoundPackToF64( sign, 0x43C, absA );
+
+}
+
diff --git a/ext/softfloat/internals.h b/ext/softfloat/internals.h
new file mode 100644
index 0000000..69e0273
--- /dev/null
+++ b/ext/softfloat/internals.h
@@ -0,0 +1,287 @@
+
+/*============================================================================
+
+This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#ifndef internals_h
+#define internals_h 1
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "primitives.h"
+#include "softfloat_types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+union ui16_f16 { uint16_t ui; float16_t f; };
+union ui32_f32 { uint32_t ui; float32_t f; };
+union ui64_f64 { uint64_t ui; float64_t f; };
+
+#ifdef SOFTFLOAT_FAST_INT64
+union extF80M_extF80 { struct extFloat80M fM; extFloat80_t f; };
+union ui128_f128 { struct uint128 ui; float128_t f; };
+#endif
+
+enum {
+ softfloat_mulAdd_subC = 1,
+ softfloat_mulAdd_subProd = 2
+};
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+uint_fast32_t softfloat_roundToUI32( bool, uint_fast64_t, uint_fast8_t, bool );
+
+#ifdef SOFTFLOAT_FAST_INT64
+uint_fast64_t
+ softfloat_roundToUI64(
+ bool, uint_fast64_t, uint_fast64_t, uint_fast8_t, bool );
+#else
+uint_fast64_t softfloat_roundMToUI64( bool, uint32_t *, uint_fast8_t, bool );
+#endif
+
+int_fast32_t softfloat_roundToI32( bool, uint_fast64_t, uint_fast8_t, bool );
+
+#ifdef SOFTFLOAT_FAST_INT64
+int_fast64_t
+ softfloat_roundToI64(
+ bool, uint_fast64_t, uint_fast64_t, uint_fast8_t, bool );
+#else
+int_fast64_t softfloat_roundMToI64( bool, uint32_t *, uint_fast8_t, bool );
+#endif
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF16UI( a ) ((bool) ((uint16_t) (a)>>15))
+#define expF16UI( a ) ((int_fast8_t) ((a)>>10) & 0x1F)
+#define fracF16UI( a ) ((a) & 0x03FF)
+#define packToF16UI( sign, exp, sig ) (((uint16_t) (sign)<<15) + ((uint16_t) (exp)<<10) + (sig))
+
+#define isNaNF16UI( a ) (((~(a) & 0x7C00) == 0) && ((a) & 0x03FF))
+
+struct exp8_sig16 { int_fast8_t exp; uint_fast16_t sig; };
+struct exp8_sig16 softfloat_normSubnormalF16Sig( uint_fast16_t );
+
+float16_t softfloat_roundPackToF16( bool, int_fast16_t, uint_fast16_t );
+float16_t softfloat_normRoundPackToF16( bool, int_fast16_t, uint_fast16_t );
+
+float16_t softfloat_addMagsF16( uint_fast16_t, uint_fast16_t );
+float16_t softfloat_subMagsF16( uint_fast16_t, uint_fast16_t );
+float16_t
+ softfloat_mulAddF16(
+ uint_fast16_t, uint_fast16_t, uint_fast16_t, uint_fast8_t );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF32UI( a ) ((bool) ((uint32_t) (a)>>31))
+#define expF32UI( a ) ((int_fast16_t) ((a)>>23) & 0xFF)
+#define fracF32UI( a ) ((a) & 0x007FFFFF)
+#define packToF32UI( sign, exp, sig ) (((uint32_t) (sign)<<31) + ((uint32_t) (exp)<<23) + (sig))
+
+#define isNaNF32UI( a ) (((~(a) & 0x7F800000) == 0) && ((a) & 0x007FFFFF))
+
+struct exp16_sig32 { int_fast16_t exp; uint_fast32_t sig; };
+struct exp16_sig32 softfloat_normSubnormalF32Sig( uint_fast32_t );
+
+float32_t softfloat_roundPackToF32( bool, int_fast16_t, uint_fast32_t );
+float32_t softfloat_normRoundPackToF32( bool, int_fast16_t, uint_fast32_t );
+
+float32_t softfloat_addMagsF32( uint_fast32_t, uint_fast32_t );
+float32_t softfloat_subMagsF32( uint_fast32_t, uint_fast32_t );
+float32_t
+ softfloat_mulAddF32(
+ uint_fast32_t, uint_fast32_t, uint_fast32_t, uint_fast8_t );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF64UI( a ) ((bool) ((uint64_t) (a)>>63))
+#define expF64UI( a ) ((int_fast16_t) ((a)>>52) & 0x7FF)
+#define fracF64UI( a ) ((a) & UINT64_C( 0x000FFFFFFFFFFFFF ))
+#define packToF64UI( sign, exp, sig ) ((uint64_t) (((uint_fast64_t) (sign)<<63) + ((uint_fast64_t) (exp)<<52) + (sig)))
+
+#define isNaNF64UI( a ) (((~(a) & UINT64_C( 0x7FF0000000000000 )) == 0) && ((a) & UINT64_C( 0x000FFFFFFFFFFFFF )))
+
+struct exp16_sig64 { int_fast16_t exp; uint_fast64_t sig; };
+struct exp16_sig64 softfloat_normSubnormalF64Sig( uint_fast64_t );
+
+float64_t softfloat_roundPackToF64( bool, int_fast16_t, uint_fast64_t );
+float64_t softfloat_normRoundPackToF64( bool, int_fast16_t, uint_fast64_t );
+
+float64_t softfloat_addMagsF64( uint_fast64_t, uint_fast64_t, bool );
+float64_t softfloat_subMagsF64( uint_fast64_t, uint_fast64_t, bool );
+float64_t
+ softfloat_mulAddF64(
+ uint_fast64_t, uint_fast64_t, uint_fast64_t, uint_fast8_t );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signExtF80UI64( a64 ) ((bool) ((uint16_t) (a64)>>15))
+#define expExtF80UI64( a64 ) ((a64) & 0x7FFF)
+#define packToExtF80UI64( sign, exp ) ((uint_fast16_t) (sign)<<15 | (exp))
+
+#define isNaNExtF80UI( a64, a0 ) ((((a64) & 0x7FFF) == 0x7FFF) && ((a0) & UINT64_C( 0x7FFFFFFFFFFFFFFF )))
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+
+struct exp32_sig64 { int_fast32_t exp; uint64_t sig; };
+struct exp32_sig64 softfloat_normSubnormalExtF80Sig( uint_fast64_t );
+
+extFloat80_t
+ softfloat_roundPackToExtF80(
+ bool, int_fast32_t, uint_fast64_t, uint_fast64_t, uint_fast8_t );
+extFloat80_t
+ softfloat_normRoundPackToExtF80(
+ bool, int_fast32_t, uint_fast64_t, uint_fast64_t, uint_fast8_t );
+
+extFloat80_t
+ softfloat_addMagsExtF80(
+ uint_fast16_t, uint_fast64_t, uint_fast16_t, uint_fast64_t, bool );
+extFloat80_t
+ softfloat_subMagsExtF80(
+ uint_fast16_t, uint_fast64_t, uint_fast16_t, uint_fast64_t, bool );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF128UI64( a64 ) ((bool) ((uint64_t) (a64)>>63))
+#define expF128UI64( a64 ) ((int_fast32_t) ((a64)>>48) & 0x7FFF)
+#define fracF128UI64( a64 ) ((a64) & UINT64_C( 0x0000FFFFFFFFFFFF ))
+#define packToF128UI64( sign, exp, sig64 ) (((uint_fast64_t) (sign)<<63) + ((uint_fast64_t) (exp)<<48) + (sig64))
+
+#define isNaNF128UI( a64, a0 ) (((~(a64) & UINT64_C( 0x7FFF000000000000 )) == 0) && (a0 || ((a64) & UINT64_C( 0x0000FFFFFFFFFFFF ))))
+
+struct exp32_sig128 { int_fast32_t exp; struct uint128 sig; };
+struct exp32_sig128
+ softfloat_normSubnormalF128Sig( uint_fast64_t, uint_fast64_t );
+
+float128_t
+ softfloat_roundPackToF128(
+ bool, int_fast32_t, uint_fast64_t, uint_fast64_t, uint_fast64_t );
+float128_t
+ softfloat_normRoundPackToF128(
+ bool, int_fast32_t, uint_fast64_t, uint_fast64_t );
+
+float128_t
+ softfloat_addMagsF128(
+ uint_fast64_t, uint_fast64_t, uint_fast64_t, uint_fast64_t, bool );
+float128_t
+ softfloat_subMagsF128(
+ uint_fast64_t, uint_fast64_t, uint_fast64_t, uint_fast64_t, bool );
+float128_t
+ softfloat_mulAddF128(
+ uint_fast64_t,
+ uint_fast64_t,
+ uint_fast64_t,
+ uint_fast64_t,
+ uint_fast64_t,
+ uint_fast64_t,
+ uint_fast8_t
+ );
+
+#else
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+
+bool
+ softfloat_tryPropagateNaNExtF80M(
+ const struct extFloat80M *,
+ const struct extFloat80M *,
+ struct extFloat80M *
+ );
+void softfloat_invalidExtF80M( struct extFloat80M * );
+
+int softfloat_normExtF80SigM( uint64_t * );
+
+void
+ softfloat_roundPackMToExtF80M(
+ bool, int32_t, uint32_t *, uint_fast8_t, struct extFloat80M * );
+void
+ softfloat_normRoundPackMToExtF80M(
+ bool, int32_t, uint32_t *, uint_fast8_t, struct extFloat80M * );
+
+void
+ softfloat_addExtF80M(
+ const struct extFloat80M *,
+ const struct extFloat80M *,
+ struct extFloat80M *,
+ bool
+ );
+
+int
+ softfloat_compareNonnormExtF80M(
+ const struct extFloat80M *, const struct extFloat80M * );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF128UI96( a96 ) ((bool) ((uint32_t) (a96)>>31))
+#define expF128UI96( a96 ) ((int32_t) ((a96)>>16) & 0x7FFF)
+#define fracF128UI96( a96 ) ((a96) & 0x0000FFFF)
+#define packToF128UI96( sign, exp, sig96 ) (((uint32_t) (sign)<<31) + ((uint32_t) (exp)<<16) + (sig96))
+
+bool softfloat_isNaNF128M( const uint32_t * );
+
+bool
+ softfloat_tryPropagateNaNF128M(
+ const uint32_t *, const uint32_t *, uint32_t * );
+void softfloat_invalidF128M( uint32_t * );
+
+int softfloat_shiftNormSigF128M( const uint32_t *, uint_fast8_t, uint32_t * );
+
+void softfloat_roundPackMToF128M( bool, int32_t, uint32_t *, uint32_t * );
+void softfloat_normRoundPackMToF128M( bool, int32_t, uint32_t *, uint32_t * );
+
+void
+ softfloat_addF128M( const uint32_t *, const uint32_t *, uint32_t *, bool );
+void
+ softfloat_mulAddF128M(
+ const uint32_t *,
+ const uint32_t *,
+ const uint32_t *,
+ uint32_t *,
+ uint_fast8_t
+ );
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/ext/softfloat/platform.h b/ext/softfloat/platform.h
new file mode 100644
index 0000000..03dd429
--- /dev/null
+++ b/ext/softfloat/platform.h
@@ -0,0 +1,48 @@
+
+/*============================================================================
+
+This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3a, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define LITTLEENDIAN 1
+
+#define INLINE_LEVEL 5
+#define SOFTFLOAT_FAST_INT64
+#define SOFTFLOAT_FAST_DIV64TO32
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define INLINE static inline
+
diff --git a/ext/softfloat/primitiveTypes.h b/ext/softfloat/primitiveTypes.h
new file mode 100644
index 0000000..c1c2712
--- /dev/null
+++ b/ext/softfloat/primitiveTypes.h
@@ -0,0 +1,87 @@
+
+/*============================================================================
+
+This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3a, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#ifndef primitiveTypes_h
+#define primitiveTypes_h 1
+
+#include <stdint.h>
+
+#include "platform.h"
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+#ifdef LITTLEENDIAN
+struct uint128 { uint64_t v0, v64; };
+struct uint64_extra { uint64_t extra, v; };
+struct uint128_extra { uint64_t extra; struct uint128 v; };
+#else
+struct uint128 { uint64_t v64, v0; };
+struct uint64_extra { uint64_t v, extra; };
+struct uint128_extra { struct uint128 v; uint64_t extra; };
+#endif
+
+#endif
+
+/*----------------------------------------------------------------------------
+| These macros are used to isolate the differences in word order between big-
+| endian and little-endian platforms.
+*----------------------------------------------------------------------------*/
+#ifdef LITTLEENDIAN
+#define wordIncr 1
+#define indexWord( total, n ) (n)
+#define indexWordHi( total ) ((total) - 1)
+#define indexWordLo( total ) 0
+#define indexMultiword( total, m, n ) (n)
+#define indexMultiwordHi( total, n ) ((total) - (n))
+#define indexMultiwordLo( total, n ) 0
+#define indexMultiwordHiBut( total, n ) (n)
+#define indexMultiwordLoBut( total, n ) 0
+#define INIT_UINTM4( v3, v2, v1, v0 ) { v0, v1, v2, v3 }
+#else
+#define wordIncr -1
+#define indexWord( total, n ) ((total) - 1 - (n))
+#define indexWordHi( total ) 0
+#define indexWordLo( total ) ((total) - 1)
+#define indexMultiword( total, m, n ) ((total) - 1 - (m))
+#define indexMultiwordHi( total, n ) 0
+#define indexMultiwordLo( total, n ) ((total) - (n))
+#define indexMultiwordHiBut( total, n ) 0
+#define indexMultiwordLoBut( total, n ) (n)
+#define INIT_UINTM4( v3, v2, v1, v0 ) { v3, v2, v1, v0 }
+#endif
+
+#endif
+
diff --git a/ext/softfloat/primitives.h b/ext/softfloat/primitives.h
new file mode 100644
index 0000000..eb200d8
--- /dev/null
+++ b/ext/softfloat/primitives.h
@@ -0,0 +1,1169 @@
+
+/*============================================================================
+
+This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#ifndef primitives_h
+#define primitives_h 1
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "primitiveTypes.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef softfloat_shortShiftRightJam64
+/*----------------------------------------------------------------------------
+| Shifts 'a' right by the number of bits given in 'dist', which must be in
+| the range 1 to 63. If any nonzero bits are shifted off, they are "jammed"
+| into the least-significant bit of the shifted value by setting the least-
+| significant bit to 1. This shifted-and-jammed value is returned.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+uint64_t softfloat_shortShiftRightJam64( uint64_t a, uint_fast8_t dist )
+ { return a>>dist | ((a & (((uint_fast64_t) 1<<dist) - 1)) != 0); }
+#else
+uint64_t softfloat_shortShiftRightJam64( uint64_t a, uint_fast8_t dist );
+#endif
+#endif
+
+#ifndef softfloat_shiftRightJam32
+/*----------------------------------------------------------------------------
+| Shifts 'a' right by the number of bits given in 'dist', which must not
+| be zero. If any nonzero bits are shifted off, they are "jammed" into the
+| least-significant bit of the shifted value by setting the least-significant
+| bit to 1. This shifted-and-jammed value is returned.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than 32, the result will be either 0 or 1, depending on whether 'a'
+| is zero or nonzero.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE uint32_t softfloat_shiftRightJam32( uint32_t a, uint_fast16_t dist )
+{
+ return
+ (dist < 31) ? a>>dist | ((uint32_t) (a<<(-dist & 31)) != 0) : (a != 0);
+}
+#else
+uint32_t softfloat_shiftRightJam32( uint32_t a, uint_fast16_t dist );
+#endif
+#endif
+
+#ifndef softfloat_shiftRightJam64
+/*----------------------------------------------------------------------------
+| Shifts 'a' right by the number of bits given in 'dist', which must not
+| be zero. If any nonzero bits are shifted off, they are "jammed" into the
+| least-significant bit of the shifted value by setting the least-significant
+| bit to 1. This shifted-and-jammed value is returned.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than 64, the result will be either 0 or 1, depending on whether 'a'
+| is zero or nonzero.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
+INLINE uint64_t softfloat_shiftRightJam64( uint64_t a, uint_fast32_t dist )
+{
+ return
+ (dist < 63) ? a>>dist | ((uint64_t) (a<<(-dist & 63)) != 0) : (a != 0);
+}
+#else
+uint64_t softfloat_shiftRightJam64( uint64_t a, uint_fast32_t dist );
+#endif
+#endif
+
+/*----------------------------------------------------------------------------
+| A constant table that translates an 8-bit unsigned integer (the array index)
+| into the number of leading 0 bits before the most-significant 1 of that
+| integer. For integer zero (index 0), the corresponding table element is 8.
+*----------------------------------------------------------------------------*/
+extern const uint_least8_t softfloat_countLeadingZeros8[256];
+
+#ifndef softfloat_countLeadingZeros16
+/*----------------------------------------------------------------------------
+| Returns the number of leading 0 bits before the most-significant 1 bit of
+| 'a'. If 'a' is zero, 16 is returned.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE uint_fast8_t softfloat_countLeadingZeros16( uint16_t a )
+{
+ uint_fast8_t count = 8;
+ if ( 0x100 <= a ) {
+ count = 0;
+ a >>= 8;
+ }
+ count += softfloat_countLeadingZeros8[a];
+ return count;
+}
+#else
+uint_fast8_t softfloat_countLeadingZeros16( uint16_t a );
+#endif
+#endif
+
+#ifndef softfloat_countLeadingZeros32
+/*----------------------------------------------------------------------------
+| Returns the number of leading 0 bits before the most-significant 1 bit of
+| 'a'. If 'a' is zero, 32 is returned.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
+INLINE uint_fast8_t softfloat_countLeadingZeros32( uint32_t a )
+{
+ uint_fast8_t count = 0;
+ if ( a < 0x10000 ) {
+ count = 16;
+ a <<= 16;
+ }
+ if ( a < 0x1000000 ) {
+ count += 8;
+ a <<= 8;
+ }
+ count += softfloat_countLeadingZeros8[a>>24];
+ return count;
+}
+#else
+uint_fast8_t softfloat_countLeadingZeros32( uint32_t a );
+#endif
+#endif
+
+#ifndef softfloat_countLeadingZeros64
+/*----------------------------------------------------------------------------
+| Returns the number of leading 0 bits before the most-significant 1 bit of
+| 'a'. If 'a' is zero, 64 is returned.
+*----------------------------------------------------------------------------*/
+uint_fast8_t softfloat_countLeadingZeros64( uint64_t a );
+#endif
+
+extern const uint16_t softfloat_approxRecip_1k0s[16];
+extern const uint16_t softfloat_approxRecip_1k1s[16];
+
+#ifndef softfloat_approxRecip32_1
+/*----------------------------------------------------------------------------
+| Returns an approximation to the reciprocal of the number represented by 'a',
+| where 'a' is interpreted as an unsigned fixed-point number with one integer
+| bit and 31 fraction bits. The 'a' input must be "normalized", meaning that
+| its most-significant bit (bit 31) must be 1. Thus, if A is the value of
+| the fixed-point interpretation of 'a', then 1 <= A < 2. The returned value
+| is interpreted as a pure unsigned fraction, having no integer bits and 32
+| fraction bits. The approximation returned is never greater than the true
+| reciprocal 1/A, and it differs from the true reciprocal by at most 2.006 ulp
+| (units in the last place).
+*----------------------------------------------------------------------------*/
+#ifdef SOFTFLOAT_FAST_DIV64TO32
+#define softfloat_approxRecip32_1( a ) ((uint32_t) (UINT64_C( 0x7FFFFFFFFFFFFFFF ) / (uint32_t) (a)))
+#else
+uint32_t softfloat_approxRecip32_1( uint32_t a );
+#endif
+#endif
+
+extern const uint16_t softfloat_approxRecipSqrt_1k0s[16];
+extern const uint16_t softfloat_approxRecipSqrt_1k1s[16];
+
+#ifndef softfloat_approxRecipSqrt32_1
+/*----------------------------------------------------------------------------
+| Returns an approximation to the reciprocal of the square root of the number
+| represented by 'a', where 'a' is interpreted as an unsigned fixed-point
+| number either with one integer bit and 31 fraction bits or with two integer
+| bits and 30 fraction bits. The format of 'a' is determined by 'oddExpA',
+| which must be either 0 or 1. If 'oddExpA' is 1, 'a' is interpreted as
+| having one integer bit, and if 'oddExpA' is 0, 'a' is interpreted as having
+| two integer bits. The 'a' input must be "normalized", meaning that its
+| most-significant bit (bit 31) must be 1. Thus, if A is the value of the
+| fixed-point interpretation of 'a', it follows that 1 <= A < 2 when 'oddExpA'
+| is 1, and 2 <= A < 4 when 'oddExpA' is 0.
+| The returned value is interpreted as a pure unsigned fraction, having
+| no integer bits and 32 fraction bits. The approximation returned is never
+| greater than the true reciprocal 1/sqrt(A), and it differs from the true
+| reciprocal by at most 2.06 ulp (units in the last place). The approximation
+| returned is also always within the range 0.5 to 1; thus, the most-
+| significant bit of the result is always set.
+*----------------------------------------------------------------------------*/
+uint32_t softfloat_approxRecipSqrt32_1( unsigned int oddExpA, uint32_t a );
+#endif
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+/*----------------------------------------------------------------------------
+| The following functions are needed only when 'SOFTFLOAT_FAST_INT64' is
+| defined.
+*----------------------------------------------------------------------------*/
+
+#ifndef softfloat_eq128
+/*----------------------------------------------------------------------------
+| Returns true if the 128-bit unsigned integer formed by concatenating 'a64'
+| and 'a0' is equal to the 128-bit unsigned integer formed by concatenating
+| 'b64' and 'b0'.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (1 <= INLINE_LEVEL)
+INLINE
+bool softfloat_eq128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+ { return (a64 == b64) && (a0 == b0); }
+#else
+bool softfloat_eq128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 );
+#endif
+#endif
+
+#ifndef softfloat_le128
+/*----------------------------------------------------------------------------
+| Returns true if the 128-bit unsigned integer formed by concatenating 'a64'
+| and 'a0' is less than or equal to the 128-bit unsigned integer formed by
+| concatenating 'b64' and 'b0'.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+bool softfloat_le128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+ { return (a64 < b64) || ((a64 == b64) && (a0 <= b0)); }
+#else
+bool softfloat_le128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 );
+#endif
+#endif
+
+#ifndef softfloat_lt128
+/*----------------------------------------------------------------------------
+| Returns true if the 128-bit unsigned integer formed by concatenating 'a64'
+| and 'a0' is less than the 128-bit unsigned integer formed by concatenating
+| 'b64' and 'b0'.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+bool softfloat_lt128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+ { return (a64 < b64) || ((a64 == b64) && (a0 < b0)); }
+#else
+bool softfloat_lt128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 );
+#endif
+#endif
+
+#ifndef softfloat_shortShiftLeft128
+/*----------------------------------------------------------------------------
+| Shifts the 128 bits formed by concatenating 'a64' and 'a0' left by the
+| number of bits given in 'dist', which must be in the range 1 to 63.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+struct uint128
+ softfloat_shortShiftLeft128( uint64_t a64, uint64_t a0, uint_fast8_t dist )
+{
+ struct uint128 z;
+ z.v64 = a64<<dist | a0>>(-dist & 63);
+ z.v0 = a0<<dist;
+ return z;
+}
+#else
+struct uint128
+ softfloat_shortShiftLeft128( uint64_t a64, uint64_t a0, uint_fast8_t dist );
+#endif
+#endif
+
+#ifndef softfloat_shortShiftRight128
+/*----------------------------------------------------------------------------
+| Shifts the 128 bits formed by concatenating 'a64' and 'a0' right by the
+| number of bits given in 'dist', which must be in the range 1 to 63.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+struct uint128
+ softfloat_shortShiftRight128( uint64_t a64, uint64_t a0, uint_fast8_t dist )
+{
+ struct uint128 z;
+ z.v64 = a64>>dist;
+ z.v0 = a64<<(-dist & 63) | a0>>dist;
+ return z;
+}
+#else
+struct uint128
+ softfloat_shortShiftRight128( uint64_t a64, uint64_t a0, uint_fast8_t dist );
+#endif
+#endif
+
+#ifndef softfloat_shortShiftRightJam64Extra
+/*----------------------------------------------------------------------------
+| This function is the same as 'softfloat_shiftRightJam64Extra' (below),
+| except that 'dist' must be in the range 1 to 63.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+struct uint64_extra
+ softfloat_shortShiftRightJam64Extra(
+ uint64_t a, uint64_t extra, uint_fast8_t dist )
+{
+ struct uint64_extra z;
+ z.v = a>>dist;
+ z.extra = a<<(-dist & 63) | (extra != 0);
+ return z;
+}
+#else
+struct uint64_extra
+ softfloat_shortShiftRightJam64Extra(
+ uint64_t a, uint64_t extra, uint_fast8_t dist );
+#endif
+#endif
+
+#ifndef softfloat_shortShiftRightJam128
+/*----------------------------------------------------------------------------
+| Shifts the 128 bits formed by concatenating 'a64' and 'a0' right by the
+| number of bits given in 'dist', which must be in the range 1 to 63. If any
+| nonzero bits are shifted off, they are "jammed" into the least-significant
+| bit of the shifted value by setting the least-significant bit to 1. This
+| shifted-and-jammed value is returned.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
+INLINE
+struct uint128
+ softfloat_shortShiftRightJam128(
+ uint64_t a64, uint64_t a0, uint_fast8_t dist )
+{
+ uint_fast8_t negDist = -dist;
+ struct uint128 z;
+ z.v64 = a64>>dist;
+ z.v0 =
+ a64<<(negDist & 63) | a0>>dist
+ | ((uint64_t) (a0<<(negDist & 63)) != 0);
+ return z;
+}
+#else
+struct uint128
+ softfloat_shortShiftRightJam128(
+ uint64_t a64, uint64_t a0, uint_fast8_t dist );
+#endif
+#endif
+
+#ifndef softfloat_shortShiftRightJam128Extra
+/*----------------------------------------------------------------------------
+| This function is the same as 'softfloat_shiftRightJam128Extra' (below),
+| except that 'dist' must be in the range 1 to 63.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
+INLINE
+struct uint128_extra
+ softfloat_shortShiftRightJam128Extra(
+ uint64_t a64, uint64_t a0, uint64_t extra, uint_fast8_t dist )
+{
+ uint_fast8_t negDist = -dist;
+ struct uint128_extra z;
+ z.v.v64 = a64>>dist;
+ z.v.v0 = a64<<(negDist & 63) | a0>>dist;
+ z.extra = a0<<(negDist & 63) | (extra != 0);
+ return z;
+}
+#else
+struct uint128_extra
+ softfloat_shortShiftRightJam128Extra(
+ uint64_t a64, uint64_t a0, uint64_t extra, uint_fast8_t dist );
+#endif
+#endif
+
+#ifndef softfloat_shiftRightJam64Extra
+/*----------------------------------------------------------------------------
+| Shifts the 128 bits formed by concatenating 'a' and 'extra' right by 64
+| _plus_ the number of bits given in 'dist', which must not be zero. This
+| shifted value is at most 64 nonzero bits and is returned in the 'v' field
+| of the 'struct uint64_extra' result. The 64-bit 'extra' field of the result
+| contains a value formed as follows from the bits that were shifted off: The
+| _last_ bit shifted off is the most-significant bit of the 'extra' field, and
+| the other 63 bits of the 'extra' field are all zero if and only if _all_but_
+| _the_last_ bits shifted off were all zero.
+| (This function makes more sense if 'a' and 'extra' are considered to form
+| an unsigned fixed-point number with binary point between 'a' and 'extra'.
+| This fixed-point value is shifted right by the number of bits given in
+| 'dist', and the integer part of this shifted value is returned in the 'v'
+| field of the result. The fractional part of the shifted value is modified
+| as described above and returned in the 'extra' field of the result.)
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (4 <= INLINE_LEVEL)
+INLINE
+struct uint64_extra
+ softfloat_shiftRightJam64Extra(
+ uint64_t a, uint64_t extra, uint_fast32_t dist )
+{
+ struct uint64_extra z;
+ if ( dist < 64 ) {
+ z.v = a>>dist;
+ z.extra = a<<(-dist & 63);
+ } else {
+ z.v = 0;
+ z.extra = (dist == 64) ? a : (a != 0);
+ }
+ z.extra |= (extra != 0);
+ return z;
+}
+#else
+struct uint64_extra
+ softfloat_shiftRightJam64Extra(
+ uint64_t a, uint64_t extra, uint_fast32_t dist );
+#endif
+#endif
+
+#ifndef softfloat_shiftRightJam128
+/*----------------------------------------------------------------------------
+| Shifts the 128 bits formed by concatenating 'a64' and 'a0' right by the
+| number of bits given in 'dist', which must not be zero. If any nonzero bits
+| are shifted off, they are "jammed" into the least-significant bit of the
+| shifted value by setting the least-significant bit to 1. This shifted-and-
+| jammed value is returned.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than 128, the result will be either 0 or 1, depending on whether the
+| original 128 bits are all zeros.
+*----------------------------------------------------------------------------*/
+struct uint128
+ softfloat_shiftRightJam128( uint64_t a64, uint64_t a0, uint_fast32_t dist );
+#endif
+
+#ifndef softfloat_shiftRightJam128Extra
+/*----------------------------------------------------------------------------
+| Shifts the 192 bits formed by concatenating 'a64', 'a0', and 'extra' right
+| by 64 _plus_ the number of bits given in 'dist', which must not be zero.
+| This shifted value is at most 128 nonzero bits and is returned in the 'v'
+| field of the 'struct uint128_extra' result. The 64-bit 'extra' field of the
+| result contains a value formed as follows from the bits that were shifted
+| off: The _last_ bit shifted off is the most-significant bit of the 'extra'
+| field, and the other 63 bits of the 'extra' field are all zero if and only
+| if _all_but_the_last_ bits shifted off were all zero.
+| (This function makes more sense if 'a64', 'a0', and 'extra' are considered
+| to form an unsigned fixed-point number with binary point between 'a0' and
+| 'extra'. This fixed-point value is shifted right by the number of bits
+| given in 'dist', and the integer part of this shifted value is returned
+| in the 'v' field of the result. The fractional part of the shifted value
+| is modified as described above and returned in the 'extra' field of the
+| result.)
+*----------------------------------------------------------------------------*/
+struct uint128_extra
+ softfloat_shiftRightJam128Extra(
+ uint64_t a64, uint64_t a0, uint64_t extra, uint_fast32_t dist );
+#endif
+
+#ifndef softfloat_shiftRightJam256M
+/*----------------------------------------------------------------------------
+| Shifts the 256-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', which must not be zero. If any nonzero bits are
+| shifted off, they are "jammed" into the least-significant bit of the shifted
+| value by setting the least-significant bit to 1. This shifted-and-jammed
+| value is stored at the location pointed to by 'zPtr'. Each of 'aPtr' and
+| 'zPtr' points to an array of four 64-bit elements that concatenate in the
+| platform's normal endian order to form a 256-bit integer.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist'
+| is greater than 256, the stored result will be either 0 or 1, depending on
+| whether the original 256 bits are all zeros.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shiftRightJam256M(
+ const uint64_t *aPtr, uint_fast32_t dist, uint64_t *zPtr );
+#endif
+
+#ifndef softfloat_add128
+/*----------------------------------------------------------------------------
+| Returns the sum of the 128-bit integer formed by concatenating 'a64' and
+| 'a0' and the 128-bit integer formed by concatenating 'b64' and 'b0'. The
+| addition is modulo 2^128, so any carry out is lost.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+struct uint128
+ softfloat_add128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+{
+ struct uint128 z;
+ z.v0 = a0 + b0;
+ z.v64 = a64 + b64 + (z.v0 < a0);
+ return z;
+}
+#else
+struct uint128
+ softfloat_add128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 );
+#endif
+#endif
+
+#ifndef softfloat_add256M
+/*----------------------------------------------------------------------------
+| Adds the two 256-bit integers pointed to by 'aPtr' and 'bPtr'. The addition
+| is modulo 2^256, so any carry out is lost. The sum is stored at the
+| location pointed to by 'zPtr'. Each of 'aPtr', 'bPtr', and 'zPtr' points to
+| an array of four 64-bit elements that concatenate in the platform's normal
+| endian order to form a 256-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_add256M(
+ const uint64_t *aPtr, const uint64_t *bPtr, uint64_t *zPtr );
+#endif
+
+#ifndef softfloat_sub128
+/*----------------------------------------------------------------------------
+| Returns the difference of the 128-bit integer formed by concatenating 'a64'
+| and 'a0' and the 128-bit integer formed by concatenating 'b64' and 'b0'.
+| The subtraction is modulo 2^128, so any borrow out (carry out) is lost.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+struct uint128
+ softfloat_sub128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+{
+ struct uint128 z;
+ z.v0 = a0 - b0;
+ z.v64 = a64 - b64;
+ z.v64 -= (a0 < b0);
+ return z;
+}
+#else
+struct uint128
+ softfloat_sub128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 );
+#endif
+#endif
+
+#ifndef softfloat_sub256M
+/*----------------------------------------------------------------------------
+| Subtracts the 256-bit integer pointed to by 'bPtr' from the 256-bit integer
+| pointed to by 'aPtr'. The addition is modulo 2^256, so any borrow out
+| (carry out) is lost. The difference is stored at the location pointed to
+| by 'zPtr'. Each of 'aPtr', 'bPtr', and 'zPtr' points to an array of four
+| 64-bit elements that concatenate in the platform's normal endian order to
+| form a 256-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_sub256M(
+ const uint64_t *aPtr, const uint64_t *bPtr, uint64_t *zPtr );
+#endif
+
+#ifndef softfloat_mul64ByShifted32To128
+/*----------------------------------------------------------------------------
+| Returns the 128-bit product of 'a', 'b', and 2^32.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
+INLINE struct uint128 softfloat_mul64ByShifted32To128( uint64_t a, uint32_t b )
+{
+ uint_fast64_t mid;
+ struct uint128 z;
+ mid = (uint_fast64_t) (uint32_t) a * b;
+ z.v0 = mid<<32;
+ z.v64 = (uint_fast64_t) (uint32_t) (a>>32) * b + (mid>>32);
+ return z;
+}
+#else
+struct uint128 softfloat_mul64ByShifted32To128( uint64_t a, uint32_t b );
+#endif
+#endif
+
+#ifndef softfloat_mul64To128
+/*----------------------------------------------------------------------------
+| Returns the 128-bit product of 'a' and 'b'.
+*----------------------------------------------------------------------------*/
+struct uint128 softfloat_mul64To128( uint64_t a, uint64_t b );
+#endif
+
+#ifndef softfloat_mul128By32
+/*----------------------------------------------------------------------------
+| Returns the product of the 128-bit integer formed by concatenating 'a64' and
+| 'a0', multiplied by 'b'. The multiplication is modulo 2^128; any overflow
+| bits are discarded.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (4 <= INLINE_LEVEL)
+INLINE
+struct uint128 softfloat_mul128By32( uint64_t a64, uint64_t a0, uint32_t b )
+{
+ struct uint128 z;
+ uint_fast64_t mid;
+ uint_fast32_t carry;
+ z.v0 = a0 * b;
+ mid = (uint_fast64_t) (uint32_t) (a0>>32) * b;
+ carry = (uint32_t) ((uint_fast32_t) (z.v0>>32) - (uint_fast32_t) mid);
+ z.v64 = a64 * b + (uint_fast32_t) ((mid + carry)>>32);
+ return z;
+}
+#else
+struct uint128 softfloat_mul128By32( uint64_t a64, uint64_t a0, uint32_t b );
+#endif
+#endif
+
+#ifndef softfloat_mul128To256M
+/*----------------------------------------------------------------------------
+| Multiplies the 128-bit unsigned integer formed by concatenating 'a64' and
+| 'a0' by the 128-bit unsigned integer formed by concatenating 'b64' and
+| 'b0'. The 256-bit product is stored at the location pointed to by 'zPtr'.
+| Argument 'zPtr' points to an array of four 64-bit elements that concatenate
+| in the platform's normal endian order to form a 256-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_mul128To256M(
+ uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0, uint64_t *zPtr );
+#endif
+
+#else
+
+/*----------------------------------------------------------------------------
+| The following functions are needed only when 'SOFTFLOAT_FAST_INT64' is not
+| defined.
+*----------------------------------------------------------------------------*/
+
+#ifndef softfloat_compare96M
+/*----------------------------------------------------------------------------
+| Compares the two 96-bit unsigned integers pointed to by 'aPtr' and 'bPtr'.
+| Returns -1 if the first integer (A) is less than the second (B); returns 0
+| if the two integers are equal; and returns +1 if the first integer (A)
+| is greater than the second (B). (The result is thus the signum of A - B.)
+| Each of 'aPtr' and 'bPtr' points to an array of three 32-bit elements that
+| concatenate in the platform's normal endian order to form a 96-bit integer.
+*----------------------------------------------------------------------------*/
+int_fast8_t softfloat_compare96M( const uint32_t *aPtr, const uint32_t *bPtr );
+#endif
+
+#ifndef softfloat_compare128M
+/*----------------------------------------------------------------------------
+| Compares the two 128-bit unsigned integers pointed to by 'aPtr' and 'bPtr'.
+| Returns -1 if the first integer (A) is less than the second (B); returns 0
+| if the two integers are equal; and returns +1 if the first integer (A)
+| is greater than the second (B). (The result is thus the signum of A - B.)
+| Each of 'aPtr' and 'bPtr' points to an array of four 32-bit elements that
+| concatenate in the platform's normal endian order to form a 128-bit integer.
+*----------------------------------------------------------------------------*/
+int_fast8_t
+ softfloat_compare128M( const uint32_t *aPtr, const uint32_t *bPtr );
+#endif
+
+#ifndef softfloat_shortShiftLeft64To96M
+/*----------------------------------------------------------------------------
+| Extends 'a' to 96 bits and shifts the value left by the number of bits given
+| in 'dist', which must be in the range 1 to 31. The result is stored at the
+| location pointed to by 'zPtr'. Argument 'zPtr' points to an array of three
+| 32-bit elements that concatenate in the platform's normal endian order to
+| form a 96-bit integer.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+void
+ softfloat_shortShiftLeft64To96M(
+ uint64_t a, uint_fast8_t dist, uint32_t *zPtr )
+{
+ zPtr[indexWord( 3, 0 )] = (uint32_t) a<<dist;
+ a >>= 32 - dist;
+ zPtr[indexWord( 3, 2 )] = a>>32;
+ zPtr[indexWord( 3, 1 )] = a;
+}
+#else
+void
+ softfloat_shortShiftLeft64To96M(
+ uint64_t a, uint_fast8_t dist, uint32_t *zPtr );
+#endif
+#endif
+
+#ifndef softfloat_shortShiftLeftM
+/*----------------------------------------------------------------------------
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' left by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
+| must be in the range 1 to 31. Any nonzero bits shifted off are lost. The
+| shifted N-bit result is stored at the location pointed to by 'zPtr'. Each
+| of 'aPtr' and 'zPtr' points to a 'size_words'-long array of 32-bit elements
+| that concatenate in the platform's normal endian order to form an N-bit
+| integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shortShiftLeftM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ uint_fast8_t dist,
+ uint32_t *zPtr
+ );
+#endif
+
+#ifndef softfloat_shortShiftLeft96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shortShiftLeftM' with
+| 'size_words' = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_shortShiftLeft96M( aPtr, dist, zPtr ) softfloat_shortShiftLeftM( 3, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shortShiftLeft128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shortShiftLeftM' with
+| 'size_words' = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_shortShiftLeft128M( aPtr, dist, zPtr ) softfloat_shortShiftLeftM( 4, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shortShiftLeft160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shortShiftLeftM' with
+| 'size_words' = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_shortShiftLeft160M( aPtr, dist, zPtr ) softfloat_shortShiftLeftM( 5, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shiftLeftM
+/*----------------------------------------------------------------------------
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' left by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
+| must not be zero. Any nonzero bits shifted off are lost. The shifted
+| N-bit result is stored at the location pointed to by 'zPtr'. Each of 'aPtr'
+| and 'zPtr' points to a 'size_words'-long array of 32-bit elements that
+| concatenate in the platform's normal endian order to form an N-bit integer.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than N, the stored result will be 0.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shiftLeftM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ uint32_t dist,
+ uint32_t *zPtr
+ );
+#endif
+
+#ifndef softfloat_shiftLeft96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftLeftM' with
+| 'size_words' = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftLeft96M( aPtr, dist, zPtr ) softfloat_shiftLeftM( 3, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shiftLeft128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftLeftM' with
+| 'size_words' = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftLeft128M( aPtr, dist, zPtr ) softfloat_shiftLeftM( 4, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shiftLeft160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftLeftM' with
+| 'size_words' = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftLeft160M( aPtr, dist, zPtr ) softfloat_shiftLeftM( 5, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shortShiftRightM
+/*----------------------------------------------------------------------------
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
+| must be in the range 1 to 31. Any nonzero bits shifted off are lost. The
+| shifted N-bit result is stored at the location pointed to by 'zPtr'. Each
+| of 'aPtr' and 'zPtr' points to a 'size_words'-long array of 32-bit elements
+| that concatenate in the platform's normal endian order to form an N-bit
+| integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shortShiftRightM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ uint_fast8_t dist,
+ uint32_t *zPtr
+ );
+#endif
+
+#ifndef softfloat_shortShiftRight128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shortShiftRightM' with
+| 'size_words' = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_shortShiftRight128M( aPtr, dist, zPtr ) softfloat_shortShiftRightM( 4, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shortShiftRight160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shortShiftRightM' with
+| 'size_words' = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_shortShiftRight160M( aPtr, dist, zPtr ) softfloat_shortShiftRightM( 5, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shortShiftRightJamM
+/*----------------------------------------------------------------------------
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
+| must be in the range 1 to 31. If any nonzero bits are shifted off, they are
+| "jammed" into the least-significant bit of the shifted value by setting the
+| least-significant bit to 1. This shifted-and-jammed N-bit result is stored
+| at the location pointed to by 'zPtr'. Each of 'aPtr' and 'zPtr' points
+| to a 'size_words'-long array of 32-bit elements that concatenate in the
+| platform's normal endian order to form an N-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shortShiftRightJamM(
+ uint_fast8_t, const uint32_t *, uint_fast8_t, uint32_t * );
+#endif
+
+#ifndef softfloat_shortShiftRightJam160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shortShiftRightJamM' with
+| 'size_words' = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_shortShiftRightJam160M( aPtr, dist, zPtr ) softfloat_shortShiftRightJamM( 5, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shiftRightM
+/*----------------------------------------------------------------------------
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
+| must not be zero. Any nonzero bits shifted off are lost. The shifted
+| N-bit result is stored at the location pointed to by 'zPtr'. Each of 'aPtr'
+| and 'zPtr' points to a 'size_words'-long array of 32-bit elements that
+| concatenate in the platform's normal endian order to form an N-bit integer.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than N, the stored result will be 0.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shiftRightM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ uint32_t dist,
+ uint32_t *zPtr
+ );
+#endif
+
+#ifndef softfloat_shiftRight96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftRightM' with
+| 'size_words' = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftRight96M( aPtr, dist, zPtr ) softfloat_shiftRightM( 3, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shiftRightJamM
+/*----------------------------------------------------------------------------
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
+| must not be zero. If any nonzero bits are shifted off, they are "jammed"
+| into the least-significant bit of the shifted value by setting the least-
+| significant bit to 1. This shifted-and-jammed N-bit result is stored
+| at the location pointed to by 'zPtr'. Each of 'aPtr' and 'zPtr' points
+| to a 'size_words'-long array of 32-bit elements that concatenate in the
+| platform's normal endian order to form an N-bit integer.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist'
+| is greater than N, the stored result will be either 0 or 1, depending on
+| whether the original N bits are all zeros.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shiftRightJamM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ uint32_t dist,
+ uint32_t *zPtr
+ );
+#endif
+
+#ifndef softfloat_shiftRightJam96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftRightJamM' with
+| 'size_words' = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftRightJam96M( aPtr, dist, zPtr ) softfloat_shiftRightJamM( 3, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shiftRightJam128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftRightJamM' with
+| 'size_words' = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftRightJam128M( aPtr, dist, zPtr ) softfloat_shiftRightJamM( 4, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shiftRightJam160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftRightJamM' with
+| 'size_words' = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftRightJam160M( aPtr, dist, zPtr ) softfloat_shiftRightJamM( 5, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_addM
+/*----------------------------------------------------------------------------
+| Adds the two N-bit integers pointed to by 'aPtr' and 'bPtr', where N =
+| 'size_words' * 32. The addition is modulo 2^N, so any carry out is lost.
+| The N-bit sum is stored at the location pointed to by 'zPtr'. Each of
+| 'aPtr', 'bPtr', and 'zPtr' points to a 'size_words'-long array of 32-bit
+| elements that concatenate in the platform's normal endian order to form an
+| N-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_addM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ const uint32_t *bPtr,
+ uint32_t *zPtr
+ );
+#endif
+
+#ifndef softfloat_add96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_addM' with 'size_words'
+| = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_add96M( aPtr, bPtr, zPtr ) softfloat_addM( 3, aPtr, bPtr, zPtr )
+#endif
+
+#ifndef softfloat_add128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_addM' with 'size_words'
+| = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_add128M( aPtr, bPtr, zPtr ) softfloat_addM( 4, aPtr, bPtr, zPtr )
+#endif
+
+#ifndef softfloat_add160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_addM' with 'size_words'
+| = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_add160M( aPtr, bPtr, zPtr ) softfloat_addM( 5, aPtr, bPtr, zPtr )
+#endif
+
+#ifndef softfloat_addCarryM
+/*----------------------------------------------------------------------------
+| Adds the two N-bit unsigned integers pointed to by 'aPtr' and 'bPtr', where
+| N = 'size_words' * 32, plus 'carry', which must be either 0 or 1. The N-bit
+| sum (modulo 2^N) is stored at the location pointed to by 'zPtr', and any
+| carry out is returned as the result. Each of 'aPtr', 'bPtr', and 'zPtr'
+| points to a 'size_words'-long array of 32-bit elements that concatenate in
+| the platform's normal endian order to form an N-bit integer.
+*----------------------------------------------------------------------------*/
+uint_fast8_t
+ softfloat_addCarryM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ const uint32_t *bPtr,
+ uint_fast8_t carry,
+ uint32_t *zPtr
+ );
+#endif
+
+#ifndef softfloat_addComplCarryM
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_addCarryM', except that
+| the value of the unsigned integer pointed to by 'bPtr' is bit-wise completed
+| before the addition.
+*----------------------------------------------------------------------------*/
+uint_fast8_t
+ softfloat_addComplCarryM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ const uint32_t *bPtr,
+ uint_fast8_t carry,
+ uint32_t *zPtr
+ );
+#endif
+
+#ifndef softfloat_addComplCarry96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_addComplCarryM' with
+| 'size_words' = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_addComplCarry96M( aPtr, bPtr, carry, zPtr ) softfloat_addComplCarryM( 3, aPtr, bPtr, carry, zPtr )
+#endif
+
+#ifndef softfloat_negXM
+/*----------------------------------------------------------------------------
+| Replaces the N-bit unsigned integer pointed to by 'zPtr' by the
+| 2s-complement of itself, where N = 'size_words' * 32. Argument 'zPtr'
+| points to a 'size_words'-long array of 32-bit elements that concatenate in
+| the platform's normal endian order to form an N-bit integer.
+*----------------------------------------------------------------------------*/
+void softfloat_negXM( uint_fast8_t size_words, uint32_t *zPtr );
+#endif
+
+#ifndef softfloat_negX96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_negXM' with 'size_words'
+| = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_negX96M( zPtr ) softfloat_negXM( 3, zPtr )
+#endif
+
+#ifndef softfloat_negX128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_negXM' with 'size_words'
+| = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_negX128M( zPtr ) softfloat_negXM( 4, zPtr )
+#endif
+
+#ifndef softfloat_negX160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_negXM' with 'size_words'
+| = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_negX160M( zPtr ) softfloat_negXM( 5, zPtr )
+#endif
+
+#ifndef softfloat_negX256M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_negXM' with 'size_words'
+| = 8 (N = 256).
+*----------------------------------------------------------------------------*/
+#define softfloat_negX256M( zPtr ) softfloat_negXM( 8, zPtr )
+#endif
+
+#ifndef softfloat_sub1XM
+/*----------------------------------------------------------------------------
+| Subtracts 1 from the N-bit integer pointed to by 'zPtr', where N =
+| 'size_words' * 32. The subtraction is modulo 2^N, so any borrow out (carry
+| out) is lost. Argument 'zPtr' points to a 'size_words'-long array of 32-bit
+| elements that concatenate in the platform's normal endian order to form an
+| N-bit integer.
+*----------------------------------------------------------------------------*/
+void softfloat_sub1XM( uint_fast8_t size_words, uint32_t *zPtr );
+#endif
+
+#ifndef softfloat_sub1X96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_sub1XM' with 'size_words'
+| = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_sub1X96M( zPtr ) softfloat_sub1XM( 3, zPtr )
+#endif
+
+#ifndef softfloat_sub1X160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_sub1XM' with 'size_words'
+| = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_sub1X160M( zPtr ) softfloat_sub1XM( 5, zPtr )
+#endif
+
+#ifndef softfloat_subM
+/*----------------------------------------------------------------------------
+| Subtracts the two N-bit integers pointed to by 'aPtr' and 'bPtr', where N =
+| 'size_words' * 32. The subtraction is modulo 2^N, so any borrow out (carry
+| out) is lost. The N-bit difference is stored at the location pointed to by
+| 'zPtr'. Each of 'aPtr', 'bPtr', and 'zPtr' points to a 'size_words'-long
+| array of 32-bit elements that concatenate in the platform's normal endian
+| order to form an N-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_subM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ const uint32_t *bPtr,
+ uint32_t *zPtr
+ );
+#endif
+
+#ifndef softfloat_sub96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_subM' with 'size_words'
+| = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_sub96M( aPtr, bPtr, zPtr ) softfloat_subM( 3, aPtr, bPtr, zPtr )
+#endif
+
+#ifndef softfloat_sub128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_subM' with 'size_words'
+| = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_sub128M( aPtr, bPtr, zPtr ) softfloat_subM( 4, aPtr, bPtr, zPtr )
+#endif
+
+#ifndef softfloat_sub160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_subM' with 'size_words'
+| = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_sub160M( aPtr, bPtr, zPtr ) softfloat_subM( 5, aPtr, bPtr, zPtr )
+#endif
+
+#ifndef softfloat_mul64To128M
+/*----------------------------------------------------------------------------
+| Multiplies 'a' and 'b' and stores the 128-bit product at the location
+| pointed to by 'zPtr'. Argument 'zPtr' points to an array of four 32-bit
+| elements that concatenate in the platform's normal endian order to form a
+| 128-bit integer.
+*----------------------------------------------------------------------------*/
+void softfloat_mul64To128M( uint64_t a, uint64_t b, uint32_t *zPtr );
+#endif
+
+#ifndef softfloat_mul128MTo256M
+/*----------------------------------------------------------------------------
+| Multiplies the two 128-bit unsigned integers pointed to by 'aPtr' and
+| 'bPtr', and stores the 256-bit product at the location pointed to by 'zPtr'.
+| Each of 'aPtr' and 'bPtr' points to an array of four 32-bit elements that
+| concatenate in the platform's normal endian order to form a 128-bit integer.
+| Argument 'zPtr' points to an array of eight 32-bit elements that concatenate
+| to form a 256-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_mul128MTo256M(
+ const uint32_t *aPtr, const uint32_t *bPtr, uint32_t *zPtr );
+#endif
+
+#ifndef softfloat_remStepMBy32
+/*----------------------------------------------------------------------------
+| Performs a "remainder reduction step" as follows: Arguments 'remPtr' and
+| 'bPtr' both point to N-bit unsigned integers, where N = 'size_words' * 32.
+| Defining R and B as the values of those integers, the expression (R<<'dist')
+| - B * q is computed modulo 2^N, and the N-bit result is stored at the
+| location pointed to by 'zPtr'. Each of 'remPtr', 'bPtr', and 'zPtr' points
+| to a 'size_words'-long array of 32-bit elements that concatenate in the
+| platform's normal endian order to form an N-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_remStepMBy32(
+ uint_fast8_t size_words,
+ const uint32_t *remPtr,
+ uint_fast8_t dist,
+ const uint32_t *bPtr,
+ uint32_t q,
+ uint32_t *zPtr
+ );
+#endif
+
+#ifndef softfloat_remStep96MBy32
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_remStepMBy32' with
+| 'size_words' = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_remStep96MBy32( remPtr, dist, bPtr, q, zPtr ) softfloat_remStepMBy32( 3, remPtr, dist, bPtr, q, zPtr )
+#endif
+
+#ifndef softfloat_remStep128MBy32
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_remStepMBy32' with
+| 'size_words' = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_remStep128MBy32( remPtr, dist, bPtr, q, zPtr ) softfloat_remStepMBy32( 4, remPtr, dist, bPtr, q, zPtr )
+#endif
+
+#ifndef softfloat_remStep160MBy32
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_remStepMBy32' with
+| 'size_words' = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_remStep160MBy32( remPtr, dist, bPtr, q, zPtr ) softfloat_remStepMBy32( 5, remPtr, dist, bPtr, q, zPtr )
+#endif
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/ext/softfloat/s_add128.c b/ext/softfloat/s_add128.c
new file mode 100644
index 0000000..a8a24b7
--- /dev/null
+++ b/ext/softfloat/s_add128.c
@@ -0,0 +1,56 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_add128
+
+struct uint128
+ softfloat_add128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+{
+ struct uint128 z;
+
+ z.v0 = a0 + b0;
+ z.v64 = a64 + b64 + (z.v0 < a0);
+ return z;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_add256M.c b/ext/softfloat/s_add256M.c
new file mode 100644
index 0000000..05a8c40
--- /dev/null
+++ b/ext/softfloat/s_add256M.c
@@ -0,0 +1,66 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_add256M
+
+void
+ softfloat_add256M(
+ const uint64_t *aPtr, const uint64_t *bPtr, uint64_t *zPtr )
+{
+ unsigned int index;
+ uint_fast8_t carry;
+ uint64_t wordA, wordZ;
+
+ index = indexWordLo( 4 );
+ carry = 0;
+ for (;;) {
+ wordA = aPtr[index];
+ wordZ = wordA + bPtr[index] + carry;
+ zPtr[index] = wordZ;
+ if ( index == indexWordHi( 4 ) ) break;
+ if ( wordZ != wordA ) carry = (wordZ < wordA);
+ index += wordIncr;
+ }
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_addCarryM.c b/ext/softfloat/s_addCarryM.c
new file mode 100644
index 0000000..40af891
--- /dev/null
+++ b/ext/softfloat/s_addCarryM.c
@@ -0,0 +1,71 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_addCarryM
+
+uint_fast8_t
+ softfloat_addCarryM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ const uint32_t *bPtr,
+ uint_fast8_t carry,
+ uint32_t *zPtr
+ )
+{
+ unsigned int index, lastIndex;
+ uint32_t wordA, wordZ;
+
+ index = indexWordLo( size_words );
+ lastIndex = indexWordHi( size_words );
+ for (;;) {
+ wordA = aPtr[index];
+ wordZ = wordA + bPtr[index] + carry;
+ zPtr[index] = wordZ;
+ if ( wordZ != wordA ) carry = (wordZ < wordA);
+ if ( index == lastIndex ) break;
+ index += wordIncr;
+ }
+ return carry;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_addComplCarryM.c b/ext/softfloat/s_addComplCarryM.c
new file mode 100644
index 0000000..7db29ca
--- /dev/null
+++ b/ext/softfloat/s_addComplCarryM.c
@@ -0,0 +1,71 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_addComplCarryM
+
+uint_fast8_t
+ softfloat_addComplCarryM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ const uint32_t *bPtr,
+ uint_fast8_t carry,
+ uint32_t *zPtr
+ )
+{
+ unsigned int index, lastIndex;
+ uint32_t wordA, wordZ;
+
+ index = indexWordLo( size_words );
+ lastIndex = indexWordHi( size_words );
+ for (;;) {
+ wordA = aPtr[index];
+ wordZ = wordA + ~bPtr[index] + carry;
+ zPtr[index] = wordZ;
+ if ( wordZ != wordA ) carry = (wordZ < wordA);
+ if ( index == lastIndex ) break;
+ index += wordIncr;
+ }
+ return carry;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_addM.c b/ext/softfloat/s_addM.c
new file mode 100644
index 0000000..002265c
--- /dev/null
+++ b/ext/softfloat/s_addM.c
@@ -0,0 +1,71 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_addM
+
+void
+ softfloat_addM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ const uint32_t *bPtr,
+ uint32_t *zPtr
+ )
+{
+ unsigned int index, lastIndex;
+ uint_fast8_t carry;
+ uint32_t wordA, wordZ;
+
+ index = indexWordLo( size_words );
+ lastIndex = indexWordHi( size_words );
+ carry = 0;
+ for (;;) {
+ wordA = aPtr[index];
+ wordZ = wordA + bPtr[index] + carry;
+ zPtr[index] = wordZ;
+ if ( index == lastIndex ) break;
+ if ( wordZ != wordA ) carry = (wordZ < wordA);
+ index += wordIncr;
+ }
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_addMagsF128.c b/ext/softfloat/s_addMagsF128.c
new file mode 100644
index 0000000..abd066f
--- /dev/null
+++ b/ext/softfloat/s_addMagsF128.c
@@ -0,0 +1,155 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "specialize.h"
+
+float128_t
+ softfloat_addMagsF128(
+ uint_fast64_t uiA64,
+ uint_fast64_t uiA0,
+ uint_fast64_t uiB64,
+ uint_fast64_t uiB0,
+ bool signZ
+ )
+{
+ int_fast32_t expA;
+ struct uint128 sigA;
+ int_fast32_t expB;
+ struct uint128 sigB;
+ int_fast32_t expDiff;
+ struct uint128 uiZ, sigZ;
+ int_fast32_t expZ;
+ uint_fast64_t sigZExtra;
+ struct uint128_extra sig128Extra;
+ union ui128_f128 uZ;
+
+ expA = expF128UI64( uiA64 );
+ sigA.v64 = fracF128UI64( uiA64 );
+ sigA.v0 = uiA0;
+ expB = expF128UI64( uiB64 );
+ sigB.v64 = fracF128UI64( uiB64 );
+ sigB.v0 = uiB0;
+ expDiff = expA - expB;
+ if ( ! expDiff ) {
+ if ( expA == 0x7FFF ) {
+ if ( sigA.v64 | sigA.v0 | sigB.v64 | sigB.v0 ) goto propagateNaN;
+ uiZ.v64 = uiA64;
+ uiZ.v0 = uiA0;
+ goto uiZ;
+ }
+ sigZ = softfloat_add128( sigA.v64, sigA.v0, sigB.v64, sigB.v0 );
+ if ( ! expA ) {
+ uiZ.v64 = packToF128UI64( signZ, 0, sigZ.v64 );
+ uiZ.v0 = sigZ.v0;
+ goto uiZ;
+ }
+ expZ = expA;
+ sigZ.v64 |= UINT64_C( 0x0002000000000000 );
+ sigZExtra = 0;
+ goto shiftRight1;
+ }
+ if ( expDiff < 0 ) {
+ if ( expB == 0x7FFF ) {
+ if ( sigB.v64 | sigB.v0 ) goto propagateNaN;
+ uiZ.v64 = packToF128UI64( signZ, 0x7FFF, 0 );
+ uiZ.v0 = 0;
+ goto uiZ;
+ }
+ expZ = expB;
+ if ( expA ) {
+ sigA.v64 |= UINT64_C( 0x0001000000000000 );
+ } else {
+ ++expDiff;
+ sigZExtra = 0;
+ if ( ! expDiff ) goto newlyAligned;
+ }
+ sig128Extra =
+ softfloat_shiftRightJam128Extra( sigA.v64, sigA.v0, 0, -expDiff );
+ sigA = sig128Extra.v;
+ sigZExtra = sig128Extra.extra;
+ } else {
+ if ( expA == 0x7FFF ) {
+ if ( sigA.v64 | sigA.v0 ) goto propagateNaN;
+ uiZ.v64 = uiA64;
+ uiZ.v0 = uiA0;
+ goto uiZ;
+ }
+ expZ = expA;
+ if ( expB ) {
+ sigB.v64 |= UINT64_C( 0x0001000000000000 );
+ } else {
+ --expDiff;
+ sigZExtra = 0;
+ if ( ! expDiff ) goto newlyAligned;
+ }
+ sig128Extra =
+ softfloat_shiftRightJam128Extra( sigB.v64, sigB.v0, 0, expDiff );
+ sigB = sig128Extra.v;
+ sigZExtra = sig128Extra.extra;
+ }
+ newlyAligned:
+ sigZ =
+ softfloat_add128(
+ sigA.v64 | UINT64_C( 0x0001000000000000 ),
+ sigA.v0,
+ sigB.v64,
+ sigB.v0
+ );
+ --expZ;
+ if ( sigZ.v64 < UINT64_C( 0x0002000000000000 ) ) goto roundAndPack;
+ ++expZ;
+ shiftRight1:
+ sig128Extra =
+ softfloat_shortShiftRightJam128Extra(
+ sigZ.v64, sigZ.v0, sigZExtra, 1 );
+ sigZ = sig128Extra.v;
+ sigZExtra = sig128Extra.extra;
+ roundAndPack:
+ return
+ softfloat_roundPackToF128( signZ, expZ, sigZ.v64, sigZ.v0, sigZExtra );
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF128UI( uiA64, uiA0, uiB64, uiB0 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_addMagsF16.c b/ext/softfloat/s_addMagsF16.c
new file mode 100644
index 0000000..4487459
--- /dev/null
+++ b/ext/softfloat/s_addMagsF16.c
@@ -0,0 +1,184 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float16_t softfloat_addMagsF16( uint_fast16_t uiA, uint_fast16_t uiB )
+{
+ int_fast8_t expA;
+ uint_fast16_t sigA;
+ int_fast8_t expB;
+ uint_fast16_t sigB;
+ int_fast8_t expDiff;
+ uint_fast16_t uiZ;
+ bool signZ;
+ int_fast8_t expZ;
+ uint_fast16_t sigZ;
+ uint_fast16_t sigX, sigY;
+ int_fast8_t shiftDist;
+ uint_fast32_t sig32Z;
+ int_fast8_t roundingMode;
+ union ui16_f16 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expA = expF16UI( uiA );
+ sigA = fracF16UI( uiA );
+ expB = expF16UI( uiB );
+ sigB = fracF16UI( uiB );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expA - expB;
+ if ( ! expDiff ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( ! expA ) {
+ uiZ = uiA + sigB;
+ goto uiZ;
+ }
+ if ( expA == 0x1F ) {
+ if ( sigA | sigB ) goto propagateNaN;
+ uiZ = uiA;
+ goto uiZ;
+ }
+ signZ = signF16UI( uiA );
+ expZ = expA;
+ sigZ = 0x0800 + sigA + sigB;
+ if ( ! (sigZ & 1) && (expZ < 0x1E) ) {
+ sigZ >>= 1;
+ goto pack;
+ }
+ sigZ <<= 3;
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ signZ = signF16UI( uiA );
+ if ( expDiff < 0 ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ if ( expB == 0x1F ) {
+ if ( sigB ) goto propagateNaN;
+ uiZ = packToF16UI( signZ, 0x1F, 0 );
+ goto uiZ;
+ }
+ if ( expDiff <= -13 ) {
+ uiZ = packToF16UI( signZ, expB, sigB );
+ if ( expA | sigA ) goto addEpsilon;
+ goto uiZ;
+ }
+ expZ = expB;
+ sigX = sigB | 0x0400;
+ sigY = sigA + (expA ? 0x0400 : sigA);
+ shiftDist = 19 + expDiff;
+ } else {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ uiZ = uiA;
+ if ( expA == 0x1F ) {
+ if ( sigA ) goto propagateNaN;
+ goto uiZ;
+ }
+ if ( 13 <= expDiff ) {
+ if ( expB | sigB ) goto addEpsilon;
+ goto uiZ;
+ }
+ expZ = expA;
+ sigX = sigA | 0x0400;
+ sigY = sigB + (expB ? 0x0400 : sigB);
+ shiftDist = 19 - expDiff;
+ }
+ sig32Z =
+ ((uint_fast32_t) sigX<<19) + ((uint_fast32_t) sigY<<shiftDist);
+ if ( sig32Z < 0x40000000 ) {
+ --expZ;
+ sig32Z <<= 1;
+ }
+ sigZ = sig32Z>>16;
+ if ( sig32Z & 0xFFFF ) {
+ sigZ |= 1;
+ } else {
+ if ( ! (sigZ & 0xF) && (expZ < 0x1E) ) {
+ sigZ >>= 4;
+ goto pack;
+ }
+ }
+ }
+ return softfloat_roundPackToF16( signZ, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF16UI( uiA, uiB );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ addEpsilon:
+ roundingMode = softfloat_roundingMode;
+ if ( roundingMode != softfloat_round_near_even ) {
+ if (
+ roundingMode
+ == (signF16UI( uiZ ) ? softfloat_round_min
+ : softfloat_round_max)
+ ) {
+ ++uiZ;
+ if ( (uint16_t) (uiZ<<1) == 0xF800 ) {
+ softfloat_raiseFlags(
+ softfloat_flag_overflow | softfloat_flag_inexact );
+ }
+ }
+#ifdef SOFTFLOAT_ROUND_ODD
+ else if ( roundingMode == softfloat_round_odd ) {
+ uiZ |= 1;
+ }
+#endif
+ }
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ pack:
+ uiZ = packToF16UI( signZ, expZ, sigZ );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_addMagsF32.c b/ext/softfloat/s_addMagsF32.c
new file mode 100644
index 0000000..5ac197a
--- /dev/null
+++ b/ext/softfloat/s_addMagsF32.c
@@ -0,0 +1,127 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "specialize.h"
+
+float32_t softfloat_addMagsF32( uint_fast32_t uiA, uint_fast32_t uiB )
+{
+ int_fast16_t expA;
+ uint_fast32_t sigA;
+ int_fast16_t expB;
+ uint_fast32_t sigB;
+ int_fast16_t expDiff;
+ uint_fast32_t uiZ;
+ bool signZ;
+ int_fast16_t expZ;
+ uint_fast32_t sigZ;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expA = expF32UI( uiA );
+ sigA = fracF32UI( uiA );
+ expB = expF32UI( uiB );
+ sigB = fracF32UI( uiB );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expA - expB;
+ if ( ! expDiff ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( ! expA ) {
+ uiZ = uiA + sigB;
+ goto uiZ;
+ }
+ if ( expA == 0xFF ) {
+ if ( sigA | sigB ) goto propagateNaN;
+ uiZ = uiA;
+ goto uiZ;
+ }
+ signZ = signF32UI( uiA );
+ expZ = expA;
+ sigZ = 0x01000000 + sigA + sigB;
+ if ( ! (sigZ & 1) && (expZ < 0xFE) ) {
+ uiZ = packToF32UI( signZ, expZ, sigZ>>1 );
+ goto uiZ;
+ }
+ sigZ <<= 6;
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ signZ = signF32UI( uiA );
+ sigA <<= 6;
+ sigB <<= 6;
+ if ( expDiff < 0 ) {
+ if ( expB == 0xFF ) {
+ if ( sigB ) goto propagateNaN;
+ uiZ = packToF32UI( signZ, 0xFF, 0 );
+ goto uiZ;
+ }
+ expZ = expB;
+ sigA += expA ? 0x20000000 : sigA;
+ sigA = softfloat_shiftRightJam32( sigA, -expDiff );
+ } else {
+ if ( expA == 0xFF ) {
+ if ( sigA ) goto propagateNaN;
+ uiZ = uiA;
+ goto uiZ;
+ }
+ expZ = expA;
+ sigB += expB ? 0x20000000 : sigB;
+ sigB = softfloat_shiftRightJam32( sigB, expDiff );
+ }
+ sigZ = 0x20000000 + sigA + sigB;
+ if ( sigZ < 0x40000000 ) {
+ --expZ;
+ sigZ <<= 1;
+ }
+ }
+ return softfloat_roundPackToF32( signZ, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF32UI( uiA, uiB );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_addMagsF64.c b/ext/softfloat/s_addMagsF64.c
new file mode 100644
index 0000000..f22fcbf
--- /dev/null
+++ b/ext/softfloat/s_addMagsF64.c
@@ -0,0 +1,129 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "specialize.h"
+
+float64_t
+ softfloat_addMagsF64( uint_fast64_t uiA, uint_fast64_t uiB, bool signZ )
+{
+ int_fast16_t expA;
+ uint_fast64_t sigA;
+ int_fast16_t expB;
+ uint_fast64_t sigB;
+ int_fast16_t expDiff;
+ uint_fast64_t uiZ;
+ int_fast16_t expZ;
+ uint_fast64_t sigZ;
+ union ui64_f64 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expA = expF64UI( uiA );
+ sigA = fracF64UI( uiA );
+ expB = expF64UI( uiB );
+ sigB = fracF64UI( uiB );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expA - expB;
+ if ( ! expDiff ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( ! expA ) {
+ uiZ = uiA + sigB;
+ goto uiZ;
+ }
+ if ( expA == 0x7FF ) {
+ if ( sigA | sigB ) goto propagateNaN;
+ uiZ = uiA;
+ goto uiZ;
+ }
+ expZ = expA;
+ sigZ = UINT64_C( 0x0020000000000000 ) + sigA + sigB;
+ sigZ <<= 9;
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ sigA <<= 9;
+ sigB <<= 9;
+ if ( expDiff < 0 ) {
+ if ( expB == 0x7FF ) {
+ if ( sigB ) goto propagateNaN;
+ uiZ = packToF64UI( signZ, 0x7FF, 0 );
+ goto uiZ;
+ }
+ expZ = expB;
+ if ( expA ) {
+ sigA += UINT64_C( 0x2000000000000000 );
+ } else {
+ sigA <<= 1;
+ }
+ sigA = softfloat_shiftRightJam64( sigA, -expDiff );
+ } else {
+ if ( expA == 0x7FF ) {
+ if ( sigA ) goto propagateNaN;
+ uiZ = uiA;
+ goto uiZ;
+ }
+ expZ = expA;
+ if ( expB ) {
+ sigB += UINT64_C( 0x2000000000000000 );
+ } else {
+ sigB <<= 1;
+ }
+ sigB = softfloat_shiftRightJam64( sigB, expDiff );
+ }
+ sigZ = UINT64_C( 0x2000000000000000 ) + sigA + sigB;
+ if ( sigZ < UINT64_C( 0x4000000000000000 ) ) {
+ --expZ;
+ sigZ <<= 1;
+ }
+ }
+ return softfloat_roundPackToF64( signZ, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF64UI( uiA, uiB );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_approxRecip32_1.c b/ext/softfloat/s_approxRecip32_1.c
new file mode 100644
index 0000000..0f9e76c
--- /dev/null
+++ b/ext/softfloat/s_approxRecip32_1.c
@@ -0,0 +1,67 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+
+#ifndef softfloat_approxRecip32_1
+
+extern const uint16_t softfloat_approxRecip_1k0s[16];
+extern const uint16_t softfloat_approxRecip_1k1s[16];
+
+uint32_t softfloat_approxRecip32_1( uint32_t a )
+{
+ int index;
+ uint16_t eps, r0;
+ uint32_t sigma0;
+ uint_fast32_t r;
+ uint32_t sqrSigma0;
+
+ index = a>>27 & 0xF;
+ eps = (uint16_t) (a>>11);
+ r0 = softfloat_approxRecip_1k0s[index]
+ - ((softfloat_approxRecip_1k1s[index] * (uint_fast32_t) eps)>>20);
+ sigma0 = ~(uint_fast32_t) ((r0 * (uint_fast64_t) a)>>7);
+ r = ((uint_fast32_t) r0<<16) + ((r0 * (uint_fast64_t) sigma0)>>24);
+ sqrSigma0 = ((uint_fast64_t) sigma0 * sigma0)>>32;
+ r += ((uint32_t) r * (uint_fast64_t) sqrSigma0)>>48;
+ return r;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_approxRecipSqrt32_1.c b/ext/softfloat/s_approxRecipSqrt32_1.c
new file mode 100644
index 0000000..43e3643
--- /dev/null
+++ b/ext/softfloat/s_approxRecipSqrt32_1.c
@@ -0,0 +1,74 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+
+#ifndef softfloat_approxRecipSqrt32_1
+
+extern const uint16_t softfloat_approxRecipSqrt_1k0s[];
+extern const uint16_t softfloat_approxRecipSqrt_1k1s[];
+
+uint32_t softfloat_approxRecipSqrt32_1( unsigned int oddExpA, uint32_t a )
+{
+ int index;
+ uint16_t eps, r0;
+ uint_fast32_t ESqrR0;
+ uint32_t sigma0;
+ uint_fast32_t r;
+ uint32_t sqrSigma0;
+
+ index = (a>>27 & 0xE) + oddExpA;
+ eps = (uint16_t) (a>>12);
+ r0 = softfloat_approxRecipSqrt_1k0s[index]
+ - ((softfloat_approxRecipSqrt_1k1s[index] * (uint_fast32_t) eps)
+ >>20);
+ ESqrR0 = (uint_fast32_t) r0 * r0;
+ if ( ! oddExpA ) ESqrR0 <<= 1;
+ sigma0 = ~(uint_fast32_t) (((uint32_t) ESqrR0 * (uint_fast64_t) a)>>23);
+ r = ((uint_fast32_t) r0<<16) + ((r0 * (uint_fast64_t) sigma0)>>25);
+ sqrSigma0 = ((uint_fast64_t) sigma0 * sigma0)>>32;
+ r += ((uint32_t) ((r>>1) + (r>>3) - ((uint_fast32_t) r0<<14))
+ * (uint_fast64_t) sqrSigma0)
+ >>48;
+ if ( ! (r & 0x80000000) ) r = 0x80000000;
+ return r;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_approxRecipSqrt_1Ks.c b/ext/softfloat/s_approxRecipSqrt_1Ks.c
new file mode 100644
index 0000000..b5c3b0a
--- /dev/null
+++ b/ext/softfloat/s_approxRecipSqrt_1Ks.c
@@ -0,0 +1,50 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitives.h"
+
+const uint16_t softfloat_approxRecipSqrt_1k0s[16] = {
+ 0xB4C9, 0xFFAB, 0xAA7D, 0xF11C, 0xA1C5, 0xE4C7, 0x9A43, 0xDA29,
+ 0x93B5, 0xD0E5, 0x8DED, 0xC8B7, 0x88C6, 0xC16D, 0x8424, 0xBAE1
+};
+const uint16_t softfloat_approxRecipSqrt_1k1s[16] = {
+ 0xA5A5, 0xEA42, 0x8C21, 0xC62D, 0x788F, 0xAA7F, 0x6928, 0x94B6,
+ 0x5CC7, 0x8335, 0x52A6, 0x74E2, 0x4A3E, 0x68FE, 0x432B, 0x5EFD
+};
+
diff --git a/ext/softfloat/s_approxRecip_1Ks.c b/ext/softfloat/s_approxRecip_1Ks.c
new file mode 100644
index 0000000..67309b8
--- /dev/null
+++ b/ext/softfloat/s_approxRecip_1Ks.c
@@ -0,0 +1,50 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitives.h"
+
+const uint16_t softfloat_approxRecip_1k0s[16] = {
+ 0xFFC4, 0xF0BE, 0xE363, 0xD76F, 0xCCAD, 0xC2F0, 0xBA16, 0xB201,
+ 0xAA97, 0xA3C6, 0x9D7A, 0x97A6, 0x923C, 0x8D32, 0x887E, 0x8417
+};
+const uint16_t softfloat_approxRecip_1k1s[16] = {
+ 0xF0F1, 0xD62C, 0xBFA1, 0xAC77, 0x9C0A, 0x8DDB, 0x8185, 0x76BA,
+ 0x6D3B, 0x64D4, 0x5D5C, 0x56B1, 0x50B6, 0x4B55, 0x4679, 0x4211
+};
+
diff --git a/ext/softfloat/s_commonNaNToF128UI.c b/ext/softfloat/s_commonNaNToF128UI.c
new file mode 100644
index 0000000..9b97f34
--- /dev/null
+++ b/ext/softfloat/s_commonNaNToF128UI.c
@@ -0,0 +1,56 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#define softfloat_commonNaNToF128UI softfloat_commonNaNToF128UI
+#include "specialize.h"
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by `aPtr' into a 128-bit floating-point
+| NaN, and returns the bit pattern of this value as an unsigned integer.
+*----------------------------------------------------------------------------*/
+struct uint128 softfloat_commonNaNToF128UI( const struct commonNaN *aPtr )
+{
+ struct uint128 uiZ;
+
+ uiZ.v64 = defaultNaNF128UI64;
+ uiZ.v0 = defaultNaNF128UI0;
+ return uiZ;
+
+}
+
diff --git a/ext/softfloat/s_commonNaNToF16UI.c b/ext/softfloat/s_commonNaNToF16UI.c
new file mode 100644
index 0000000..861b269
--- /dev/null
+++ b/ext/softfloat/s_commonNaNToF16UI.c
@@ -0,0 +1,5 @@
+
+/*----------------------------------------------------------------------------
+| This file intentionally contains no code.
+*----------------------------------------------------------------------------*/
+
diff --git a/ext/softfloat/s_commonNaNToF32UI.c b/ext/softfloat/s_commonNaNToF32UI.c
new file mode 100644
index 0000000..861b269
--- /dev/null
+++ b/ext/softfloat/s_commonNaNToF32UI.c
@@ -0,0 +1,5 @@
+
+/*----------------------------------------------------------------------------
+| This file intentionally contains no code.
+*----------------------------------------------------------------------------*/
+
diff --git a/ext/softfloat/s_commonNaNToF64UI.c b/ext/softfloat/s_commonNaNToF64UI.c
new file mode 100644
index 0000000..861b269
--- /dev/null
+++ b/ext/softfloat/s_commonNaNToF64UI.c
@@ -0,0 +1,5 @@
+
+/*----------------------------------------------------------------------------
+| This file intentionally contains no code.
+*----------------------------------------------------------------------------*/
+
diff --git a/ext/softfloat/s_compare128M.c b/ext/softfloat/s_compare128M.c
new file mode 100644
index 0000000..7bba6bb
--- /dev/null
+++ b/ext/softfloat/s_compare128M.c
@@ -0,0 +1,63 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_compare128M
+
+int_fast8_t softfloat_compare128M( const uint32_t *aPtr, const uint32_t *bPtr )
+{
+ unsigned int index, lastIndex;
+ uint32_t wordA, wordB;
+
+ index = indexWordHi( 4 );
+ lastIndex = indexWordLo( 4 );
+ for (;;) {
+ wordA = aPtr[index];
+ wordB = bPtr[index];
+ if ( wordA != wordB ) return (wordA < wordB) ? -1 : 1;
+ if ( index == lastIndex ) break;
+ index -= wordIncr;
+ }
+ return 0;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_compare96M.c b/ext/softfloat/s_compare96M.c
new file mode 100644
index 0000000..1c2b22a
--- /dev/null
+++ b/ext/softfloat/s_compare96M.c
@@ -0,0 +1,63 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_compare96M
+
+int_fast8_t softfloat_compare96M( const uint32_t *aPtr, const uint32_t *bPtr )
+{
+ unsigned int index, lastIndex;
+ uint32_t wordA, wordB;
+
+ index = indexWordHi( 3 );
+ lastIndex = indexWordLo( 3 );
+ for (;;) {
+ wordA = aPtr[index];
+ wordB = bPtr[index];
+ if ( wordA != wordB ) return (wordA < wordB) ? -1 : 1;
+ if ( index == lastIndex ) break;
+ index -= wordIncr;
+ }
+ return 0;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_countLeadingZeros16.c b/ext/softfloat/s_countLeadingZeros16.c
new file mode 100644
index 0000000..ce806b1
--- /dev/null
+++ b/ext/softfloat/s_countLeadingZeros16.c
@@ -0,0 +1,61 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+
+#ifndef softfloat_countLeadingZeros16
+
+#define softfloat_countLeadingZeros16 softfloat_countLeadingZeros16
+#include "primitives.h"
+
+uint_fast8_t softfloat_countLeadingZeros16( uint16_t a )
+{
+ uint_fast8_t count;
+
+ count = 8;
+ if ( 0x100 <= a ) {
+ count = 0;
+ a >>= 8;
+ }
+ count += softfloat_countLeadingZeros8[a];
+ return count;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_countLeadingZeros32.c b/ext/softfloat/s_countLeadingZeros32.c
new file mode 100644
index 0000000..1c6dc9b
--- /dev/null
+++ b/ext/softfloat/s_countLeadingZeros32.c
@@ -0,0 +1,65 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+
+#ifndef softfloat_countLeadingZeros32
+
+#define softfloat_countLeadingZeros32 softfloat_countLeadingZeros32
+#include "primitives.h"
+
+uint_fast8_t softfloat_countLeadingZeros32( uint32_t a )
+{
+ uint_fast8_t count;
+
+ count = 0;
+ if ( a < 0x10000 ) {
+ count = 16;
+ a <<= 16;
+ }
+ if ( a < 0x1000000 ) {
+ count += 8;
+ a <<= 8;
+ }
+ count += softfloat_countLeadingZeros8[a>>24];
+ return count;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_countLeadingZeros64.c b/ext/softfloat/s_countLeadingZeros64.c
new file mode 100644
index 0000000..9633905
--- /dev/null
+++ b/ext/softfloat/s_countLeadingZeros64.c
@@ -0,0 +1,74 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+
+#ifndef softfloat_countLeadingZeros64
+
+#define softfloat_countLeadingZeros64 softfloat_countLeadingZeros64
+#include "primitives.h"
+
+uint_fast8_t softfloat_countLeadingZeros64( uint64_t a )
+{
+ uint_fast8_t count;
+ uint32_t a32;
+
+ count = 0;
+ a32 = a>>32;
+ if ( ! a32 ) {
+ count = 32;
+ a32 = a;
+ }
+ /*------------------------------------------------------------------------
+ | From here, result is current count + count leading zeros of `a32'.
+ *------------------------------------------------------------------------*/
+ if ( a32 < 0x10000 ) {
+ count += 16;
+ a32 <<= 16;
+ }
+ if ( a32 < 0x1000000 ) {
+ count += 8;
+ a32 <<= 8;
+ }
+ count += softfloat_countLeadingZeros8[a32>>24];
+ return count;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_countLeadingZeros8.c b/ext/softfloat/s_countLeadingZeros8.c
new file mode 100644
index 0000000..50c4504
--- /dev/null
+++ b/ext/softfloat/s_countLeadingZeros8.c
@@ -0,0 +1,60 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitives.h"
+
+const uint_least8_t softfloat_countLeadingZeros8[256] = {
+ 8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
diff --git a/ext/softfloat/s_eq128.c b/ext/softfloat/s_eq128.c
new file mode 100644
index 0000000..a840ef2
--- /dev/null
+++ b/ext/softfloat/s_eq128.c
@@ -0,0 +1,52 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "platform.h"
+
+#ifndef softfloat_eq128
+
+bool softfloat_eq128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+{
+
+ return (a64 == b64) && (a0 == b0);
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_f128UIToCommonNaN.c b/ext/softfloat/s_f128UIToCommonNaN.c
new file mode 100644
index 0000000..861b269
--- /dev/null
+++ b/ext/softfloat/s_f128UIToCommonNaN.c
@@ -0,0 +1,5 @@
+
+/*----------------------------------------------------------------------------
+| This file intentionally contains no code.
+*----------------------------------------------------------------------------*/
+
diff --git a/ext/softfloat/s_f16UIToCommonNaN.c b/ext/softfloat/s_f16UIToCommonNaN.c
new file mode 100644
index 0000000..861b269
--- /dev/null
+++ b/ext/softfloat/s_f16UIToCommonNaN.c
@@ -0,0 +1,5 @@
+
+/*----------------------------------------------------------------------------
+| This file intentionally contains no code.
+*----------------------------------------------------------------------------*/
+
diff --git a/ext/softfloat/s_f32UIToCommonNaN.c b/ext/softfloat/s_f32UIToCommonNaN.c
new file mode 100644
index 0000000..861b269
--- /dev/null
+++ b/ext/softfloat/s_f32UIToCommonNaN.c
@@ -0,0 +1,5 @@
+
+/*----------------------------------------------------------------------------
+| This file intentionally contains no code.
+*----------------------------------------------------------------------------*/
+
diff --git a/ext/softfloat/s_f64UIToCommonNaN.c b/ext/softfloat/s_f64UIToCommonNaN.c
new file mode 100644
index 0000000..861b269
--- /dev/null
+++ b/ext/softfloat/s_f64UIToCommonNaN.c
@@ -0,0 +1,5 @@
+
+/*----------------------------------------------------------------------------
+| This file intentionally contains no code.
+*----------------------------------------------------------------------------*/
+
diff --git a/ext/softfloat/s_le128.c b/ext/softfloat/s_le128.c
new file mode 100644
index 0000000..45e94d8
--- /dev/null
+++ b/ext/softfloat/s_le128.c
@@ -0,0 +1,52 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "platform.h"
+
+#ifndef softfloat_le128
+
+bool softfloat_le128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+{
+
+ return (a64 < b64) || ((a64 == b64) && (a0 <= b0));
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_lt128.c b/ext/softfloat/s_lt128.c
new file mode 100644
index 0000000..a117ded
--- /dev/null
+++ b/ext/softfloat/s_lt128.c
@@ -0,0 +1,52 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "platform.h"
+
+#ifndef softfloat_lt128
+
+bool softfloat_lt128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+{
+
+ return (a64 < b64) || ((a64 == b64) && (a0 < b0));
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_mul128By32.c b/ext/softfloat/s_mul128By32.c
new file mode 100644
index 0000000..6e03c41
--- /dev/null
+++ b/ext/softfloat/s_mul128By32.c
@@ -0,0 +1,59 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_mul128By32
+
+struct uint128 softfloat_mul128By32( uint64_t a64, uint64_t a0, uint32_t b )
+{
+ struct uint128 z;
+ uint_fast64_t mid;
+ uint_fast32_t carry;
+
+ z.v0 = a0 * b;
+ mid = (uint_fast64_t) (uint32_t) (a0>>32) * b;
+ carry = (uint32_t) ((uint_fast32_t) (z.v0>>32) - (uint_fast32_t) mid);
+ z.v64 = a64 * b + (uint_fast32_t) ((mid + carry)>>32);
+ return z;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_mul128MTo256M.c b/ext/softfloat/s_mul128MTo256M.c
new file mode 100644
index 0000000..8041040
--- /dev/null
+++ b/ext/softfloat/s_mul128MTo256M.c
@@ -0,0 +1,101 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_mul128MTo256M
+
+void
+ softfloat_mul128MTo256M(
+ const uint32_t *aPtr, const uint32_t *bPtr, uint32_t *zPtr )
+{
+ uint32_t *lastZPtr, wordB;
+ uint64_t dwordProd;
+ uint32_t wordZ;
+ uint_fast8_t carry;
+
+ bPtr += indexWordLo( 4 );
+ lastZPtr = zPtr + indexMultiwordHi( 8, 5 );
+ zPtr += indexMultiwordLo( 8, 5 );
+ wordB = *bPtr;
+ dwordProd = (uint64_t) aPtr[indexWord( 4, 0 )] * wordB;
+ zPtr[indexWord( 5, 0 )] = dwordProd;
+ dwordProd = (uint64_t) aPtr[indexWord( 4, 1 )] * wordB + (dwordProd>>32);
+ zPtr[indexWord( 5, 1 )] = dwordProd;
+ dwordProd = (uint64_t) aPtr[indexWord( 4, 2 )] * wordB + (dwordProd>>32);
+ zPtr[indexWord( 5, 2 )] = dwordProd;
+ dwordProd = (uint64_t) aPtr[indexWord( 4, 3 )] * wordB + (dwordProd>>32);
+ zPtr[indexWord( 5, 3 )] = dwordProd;
+ zPtr[indexWord( 5, 4 )] = dwordProd>>32;
+ do {
+ bPtr += wordIncr;
+ zPtr += wordIncr;
+ wordB = *bPtr;
+ dwordProd = (uint64_t) aPtr[indexWord( 4, 0 )] * wordB;
+ wordZ = zPtr[indexWord( 5, 0 )] + (uint32_t) dwordProd;
+ zPtr[indexWord( 5, 0 )] = wordZ;
+ carry = (wordZ < (uint32_t) dwordProd);
+ dwordProd =
+ (uint64_t) aPtr[indexWord( 4, 1 )] * wordB + (dwordProd>>32);
+ wordZ = zPtr[indexWord( 5, 1 )] + (uint32_t) dwordProd + carry;
+ zPtr[indexWord( 5, 1 )] = wordZ;
+ if ( wordZ != (uint32_t) dwordProd ) {
+ carry = (wordZ < (uint32_t) dwordProd);
+ }
+ dwordProd =
+ (uint64_t) aPtr[indexWord( 4, 2 )] * wordB + (dwordProd>>32);
+ wordZ = zPtr[indexWord( 5, 2 )] + (uint32_t) dwordProd + carry;
+ zPtr[indexWord( 5, 2 )] = wordZ;
+ if ( wordZ != (uint32_t) dwordProd ) {
+ carry = (wordZ < (uint32_t) dwordProd);
+ }
+ dwordProd =
+ (uint64_t) aPtr[indexWord( 4, 3 )] * wordB + (dwordProd>>32);
+ wordZ = zPtr[indexWord( 5, 3 )] + (uint32_t) dwordProd + carry;
+ zPtr[indexWord( 5, 3 )] = wordZ;
+ if ( wordZ != (uint32_t) dwordProd ) {
+ carry = (wordZ < (uint32_t) dwordProd);
+ }
+ zPtr[indexWord( 5, 4 )] = (dwordProd>>32) + carry;
+ } while ( zPtr != lastZPtr );
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_mul128To256M.c b/ext/softfloat/s_mul128To256M.c
new file mode 100644
index 0000000..488feb5
--- /dev/null
+++ b/ext/softfloat/s_mul128To256M.c
@@ -0,0 +1,72 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+
+#ifndef softfloat_mul128To256M
+
+#define softfloat_mul128To256M softfloat_mul128To256M
+#include "primitives.h"
+
+void
+ softfloat_mul128To256M(
+ uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0, uint64_t *zPtr )
+{
+ struct uint128 p0, p64, p128;
+ uint_fast64_t z64, z128, z192;
+
+ p0 = softfloat_mul64To128( a0, b0 );
+ zPtr[indexWord( 4, 0 )] = p0.v0;
+ p64 = softfloat_mul64To128( a64, b0 );
+ z64 = p64.v0 + p0.v64;
+ z128 = p64.v64 + (z64 < p64.v0);
+ p128 = softfloat_mul64To128( a64, b64 );
+ z128 += p128.v0;
+ z192 = p128.v64 + (z128 < p128.v0);
+ p64 = softfloat_mul64To128( a0, b64 );
+ z64 += p64.v0;
+ zPtr[indexWord( 4, 1 )] = z64;
+ p64.v64 += (z64 < p64.v0);
+ z128 += p64.v64;
+ zPtr[indexWord( 4, 2 )] = z128;
+ zPtr[indexWord( 4, 3 )] = z192 + (z128 < p64.v64);
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_mul64ByShifted32To128.c b/ext/softfloat/s_mul64ByShifted32To128.c
new file mode 100644
index 0000000..bf463c5
--- /dev/null
+++ b/ext/softfloat/s_mul64ByShifted32To128.c
@@ -0,0 +1,57 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_mul64ByShifted32To128
+
+struct uint128 softfloat_mul64ByShifted32To128( uint64_t a, uint32_t b )
+{
+ uint_fast64_t mid;
+ struct uint128 z;
+
+ mid = (uint_fast64_t) (uint32_t) a * b;
+ z.v0 = mid<<32;
+ z.v64 = (uint_fast64_t) (uint32_t) (a>>32) * b + (mid>>32);
+ return z;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_mul64To128.c b/ext/softfloat/s_mul64To128.c
new file mode 100644
index 0000000..5a37424
--- /dev/null
+++ b/ext/softfloat/s_mul64To128.c
@@ -0,0 +1,67 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_mul64To128
+
+struct uint128 softfloat_mul64To128( uint64_t a, uint64_t b )
+{
+ uint32_t a32, a0, b32, b0;
+ struct uint128 z;
+ uint64_t mid1, mid;
+
+ a32 = a>>32;
+ a0 = a;
+ b32 = b>>32;
+ b0 = b;
+ z.v0 = (uint_fast64_t) a0 * b0;
+ mid1 = (uint_fast64_t) a32 * b0;
+ mid = mid1 + (uint_fast64_t) a0 * b32;
+ z.v64 = (uint_fast64_t) a32 * b32;
+ z.v64 += (uint_fast64_t) (mid < mid1)<<32 | mid>>32;
+ mid <<= 32;
+ z.v0 += mid;
+ z.v64 += (z.v0 < mid);
+ return z;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_mul64To128M.c b/ext/softfloat/s_mul64To128M.c
new file mode 100644
index 0000000..4479988
--- /dev/null
+++ b/ext/softfloat/s_mul64To128M.c
@@ -0,0 +1,69 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_mul64To128M
+
+void softfloat_mul64To128M( uint64_t a, uint64_t b, uint32_t *zPtr )
+{
+ uint32_t a32, a0, b32, b0;
+ uint64_t z0, mid1, z64, mid;
+
+ a32 = a>>32;
+ a0 = a;
+ b32 = b>>32;
+ b0 = b;
+ z0 = (uint64_t) a0 * b0;
+ mid1 = (uint64_t) a32 * b0;
+ mid = mid1 + (uint64_t) a0 * b32;
+ z64 = (uint64_t) a32 * b32;
+ z64 += (uint64_t) (mid < mid1)<<32 | mid>>32;
+ mid <<= 32;
+ z0 += mid;
+ zPtr[indexWord( 4, 1 )] = z0>>32;
+ zPtr[indexWord( 4, 0 )] = z0;
+ z64 += (z0 < mid);
+ zPtr[indexWord( 4, 3 )] = z64>>32;
+ zPtr[indexWord( 4, 2 )] = z64;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_mulAddF128.c b/ext/softfloat/s_mulAddF128.c
new file mode 100644
index 0000000..8ea06a6
--- /dev/null
+++ b/ext/softfloat/s_mulAddF128.c
@@ -0,0 +1,351 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float128_t
+ softfloat_mulAddF128(
+ uint_fast64_t uiA64,
+ uint_fast64_t uiA0,
+ uint_fast64_t uiB64,
+ uint_fast64_t uiB0,
+ uint_fast64_t uiC64,
+ uint_fast64_t uiC0,
+ uint_fast8_t op
+ )
+{
+ bool signA;
+ int_fast32_t expA;
+ struct uint128 sigA;
+ bool signB;
+ int_fast32_t expB;
+ struct uint128 sigB;
+ bool signC;
+ int_fast32_t expC;
+ struct uint128 sigC;
+ bool signZ;
+ uint_fast64_t magBits;
+ struct uint128 uiZ;
+ struct exp32_sig128 normExpSig;
+ int_fast32_t expZ;
+ uint64_t sig256Z[4];
+ struct uint128 sigZ;
+ int_fast32_t shiftDist, expDiff;
+ struct uint128 x128;
+ uint64_t sig256C[4];
+ static uint64_t zero256[4] = INIT_UINTM4( 0, 0, 0, 0 );
+ uint_fast64_t sigZExtra, sig256Z0;
+ union ui128_f128 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ signA = signF128UI64( uiA64 );
+ expA = expF128UI64( uiA64 );
+ sigA.v64 = fracF128UI64( uiA64 );
+ sigA.v0 = uiA0;
+ signB = signF128UI64( uiB64 );
+ expB = expF128UI64( uiB64 );
+ sigB.v64 = fracF128UI64( uiB64 );
+ sigB.v0 = uiB0;
+ signC = signF128UI64( uiC64 ) ^ (op == softfloat_mulAdd_subC);
+ expC = expF128UI64( uiC64 );
+ sigC.v64 = fracF128UI64( uiC64 );
+ sigC.v0 = uiC0;
+ signZ = signA ^ signB ^ (op == softfloat_mulAdd_subProd);
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x7FFF ) {
+ if (
+ (sigA.v64 | sigA.v0) || ((expB == 0x7FFF) && (sigB.v64 | sigB.v0))
+ ) {
+ goto propagateNaN_ABC;
+ }
+ magBits = expB | sigB.v64 | sigB.v0;
+ goto infProdArg;
+ }
+ if ( expB == 0x7FFF ) {
+ if ( sigB.v64 | sigB.v0 ) goto propagateNaN_ABC;
+ magBits = expA | sigA.v64 | sigA.v0;
+ goto infProdArg;
+ }
+ if ( expC == 0x7FFF ) {
+ if ( sigC.v64 | sigC.v0 ) {
+ uiZ.v64 = 0;
+ uiZ.v0 = 0;
+ goto propagateNaN_ZC;
+ }
+ uiZ.v64 = uiC64;
+ uiZ.v0 = uiC0;
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) {
+ if ( ! (sigA.v64 | sigA.v0) ) goto zeroProd;
+ normExpSig = softfloat_normSubnormalF128Sig( sigA.v64, sigA.v0 );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ if ( ! expB ) {
+ if ( ! (sigB.v64 | sigB.v0) ) goto zeroProd;
+ normExpSig = softfloat_normSubnormalF128Sig( sigB.v64, sigB.v0 );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = expA + expB - 0x3FFE;
+ sigA.v64 |= UINT64_C( 0x0001000000000000 );
+ sigB.v64 |= UINT64_C( 0x0001000000000000 );
+ sigA = softfloat_shortShiftLeft128( sigA.v64, sigA.v0, 8 );
+ sigB = softfloat_shortShiftLeft128( sigB.v64, sigB.v0, 15 );
+ softfloat_mul128To256M( sigA.v64, sigA.v0, sigB.v64, sigB.v0, sig256Z );
+ sigZ.v64 = sig256Z[indexWord( 4, 3 )];
+ sigZ.v0 = sig256Z[indexWord( 4, 2 )];
+ shiftDist = 0;
+ if ( ! (sigZ.v64 & UINT64_C( 0x0100000000000000 )) ) {
+ --expZ;
+ shiftDist = -1;
+ }
+ if ( ! expC ) {
+ if ( ! (sigC.v64 | sigC.v0) ) {
+ shiftDist += 8;
+ goto sigZ;
+ }
+ normExpSig = softfloat_normSubnormalF128Sig( sigC.v64, sigC.v0 );
+ expC = normExpSig.exp;
+ sigC = normExpSig.sig;
+ }
+ sigC.v64 |= UINT64_C( 0x0001000000000000 );
+ sigC = softfloat_shortShiftLeft128( sigC.v64, sigC.v0, 8 );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expZ - expC;
+ if ( expDiff < 0 ) {
+ expZ = expC;
+ if ( (signZ == signC) || (expDiff < -1) ) {
+ shiftDist -= expDiff;
+ if ( shiftDist ) {
+ sigZ =
+ softfloat_shiftRightJam128( sigZ.v64, sigZ.v0, shiftDist );
+ }
+ } else {
+ if ( ! shiftDist ) {
+ x128 =
+ softfloat_shortShiftRight128(
+ sig256Z[indexWord( 4, 1 )], sig256Z[indexWord( 4, 0 )],
+ 1
+ );
+ sig256Z[indexWord( 4, 1 )] = (sigZ.v0<<63) | x128.v64;
+ sig256Z[indexWord( 4, 0 )] = x128.v0;
+ sigZ = softfloat_shortShiftRight128( sigZ.v64, sigZ.v0, 1 );
+ sig256Z[indexWord( 4, 3 )] = sigZ.v64;
+ sig256Z[indexWord( 4, 2 )] = sigZ.v0;
+ }
+ }
+ } else {
+ if ( shiftDist ) softfloat_add256M( sig256Z, sig256Z, sig256Z );
+ if ( ! expDiff ) {
+ sigZ.v64 = sig256Z[indexWord( 4, 3 )];
+ sigZ.v0 = sig256Z[indexWord( 4, 2 )];
+ } else {
+ sig256C[indexWord( 4, 3 )] = sigC.v64;
+ sig256C[indexWord( 4, 2 )] = sigC.v0;
+ sig256C[indexWord( 4, 1 )] = 0;
+ sig256C[indexWord( 4, 0 )] = 0;
+ softfloat_shiftRightJam256M( sig256C, expDiff, sig256C );
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftDist = 8;
+ if ( signZ == signC ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( expDiff <= 0 ) {
+ sigZ = softfloat_add128( sigC.v64, sigC.v0, sigZ.v64, sigZ.v0 );
+ } else {
+ softfloat_add256M( sig256Z, sig256C, sig256Z );
+ sigZ.v64 = sig256Z[indexWord( 4, 3 )];
+ sigZ.v0 = sig256Z[indexWord( 4, 2 )];
+ }
+ if ( sigZ.v64 & UINT64_C( 0x0200000000000000 ) ) {
+ ++expZ;
+ shiftDist = 9;
+ }
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( expDiff < 0 ) {
+ signZ = signC;
+ if ( expDiff < -1 ) {
+ sigZ =
+ softfloat_sub128( sigC.v64, sigC.v0, sigZ.v64, sigZ.v0 );
+ sigZExtra =
+ sig256Z[indexWord( 4, 1 )] | sig256Z[indexWord( 4, 0 )];
+ if ( sigZExtra ) {
+ sigZ = softfloat_sub128( sigZ.v64, sigZ.v0, 0, 1 );
+ }
+ if ( ! (sigZ.v64 & UINT64_C( 0x0100000000000000 )) ) {
+ --expZ;
+ shiftDist = 7;
+ }
+ goto shiftRightRoundPack;
+ } else {
+ sig256C[indexWord( 4, 3 )] = sigC.v64;
+ sig256C[indexWord( 4, 2 )] = sigC.v0;
+ sig256C[indexWord( 4, 1 )] = 0;
+ sig256C[indexWord( 4, 0 )] = 0;
+ softfloat_sub256M( sig256C, sig256Z, sig256Z );
+ }
+ } else if ( ! expDiff ) {
+ sigZ = softfloat_sub128( sigZ.v64, sigZ.v0, sigC.v64, sigC.v0 );
+ if (
+ ! (sigZ.v64 | sigZ.v0) && ! sig256Z[indexWord( 4, 1 )]
+ && ! sig256Z[indexWord( 4, 0 )]
+ ) {
+ goto completeCancellation;
+ }
+ sig256Z[indexWord( 4, 3 )] = sigZ.v64;
+ sig256Z[indexWord( 4, 2 )] = sigZ.v0;
+ if ( sigZ.v64 & UINT64_C( 0x8000000000000000 ) ) {
+ signZ = ! signZ;
+ softfloat_sub256M( zero256, sig256Z, sig256Z );
+ }
+ } else {
+ softfloat_sub256M( sig256Z, sig256C, sig256Z );
+ if ( 1 < expDiff ) {
+ sigZ.v64 = sig256Z[indexWord( 4, 3 )];
+ sigZ.v0 = sig256Z[indexWord( 4, 2 )];
+ if ( ! (sigZ.v64 & UINT64_C( 0x0100000000000000 )) ) {
+ --expZ;
+ shiftDist = 7;
+ }
+ goto sigZ;
+ }
+ }
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ sigZ.v64 = sig256Z[indexWord( 4, 3 )];
+ sigZ.v0 = sig256Z[indexWord( 4, 2 )];
+ sigZExtra = sig256Z[indexWord( 4, 1 )];
+ sig256Z0 = sig256Z[indexWord( 4, 0 )];
+ if ( sigZ.v64 ) {
+ if ( sig256Z0 ) sigZExtra |= 1;
+ } else {
+ expZ -= 64;
+ sigZ.v64 = sigZ.v0;
+ sigZ.v0 = sigZExtra;
+ sigZExtra = sig256Z0;
+ if ( ! sigZ.v64 ) {
+ expZ -= 64;
+ sigZ.v64 = sigZ.v0;
+ sigZ.v0 = sigZExtra;
+ sigZExtra = 0;
+ if ( ! sigZ.v64 ) {
+ expZ -= 64;
+ sigZ.v64 = sigZ.v0;
+ sigZ.v0 = 0;
+ }
+ }
+ }
+ shiftDist = softfloat_countLeadingZeros64( sigZ.v64 );
+ expZ += 7 - shiftDist;
+ shiftDist = 15 - shiftDist;
+ if ( 0 < shiftDist ) goto shiftRightRoundPack;
+ if ( shiftDist ) {
+ shiftDist = -shiftDist;
+ sigZ = softfloat_shortShiftLeft128( sigZ.v64, sigZ.v0, shiftDist );
+ x128 = softfloat_shortShiftLeft128( 0, sigZExtra, shiftDist );
+ sigZ.v0 |= x128.v64;
+ sigZExtra = x128.v0;
+ }
+ goto roundPack;
+ }
+ sigZ:
+ sigZExtra = sig256Z[indexWord( 4, 1 )] | sig256Z[indexWord( 4, 0 )];
+ shiftRightRoundPack:
+ sigZExtra = (uint64_t) (sigZ.v0<<(64 - shiftDist)) | (sigZExtra != 0);
+ sigZ = softfloat_shortShiftRight128( sigZ.v64, sigZ.v0, shiftDist );
+ roundPack:
+ return
+ softfloat_roundPackToF128(
+ signZ, expZ - 1, sigZ.v64, sigZ.v0, sigZExtra );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN_ABC:
+ uiZ = softfloat_propagateNaNF128UI( uiA64, uiA0, uiB64, uiB0 );
+ goto propagateNaN_ZC;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ infProdArg:
+ if ( magBits ) {
+ uiZ.v64 = packToF128UI64( signZ, 0x7FFF, 0 );
+ uiZ.v0 = 0;
+ if ( expC != 0x7FFF ) goto uiZ;
+ if ( sigC.v64 | sigC.v0 ) goto propagateNaN_ZC;
+ if ( signZ == signC ) goto uiZ;
+ }
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ.v64 = defaultNaNF128UI64;
+ uiZ.v0 = defaultNaNF128UI0;
+ propagateNaN_ZC:
+ uiZ = softfloat_propagateNaNF128UI( uiZ.v64, uiZ.v0, uiC64, uiC0 );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zeroProd:
+ uiZ.v64 = uiC64;
+ uiZ.v0 = uiC0;
+ if ( ! (expC | sigC.v64 | sigC.v0) && (signZ != signC) ) {
+ completeCancellation:
+ uiZ.v64 =
+ packToF128UI64(
+ (softfloat_roundingMode == softfloat_round_min), 0, 0 );
+ uiZ.v0 = 0;
+ }
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_mulAddF16.c b/ext/softfloat/s_mulAddF16.c
new file mode 100644
index 0000000..d35ae54
--- /dev/null
+++ b/ext/softfloat/s_mulAddF16.c
@@ -0,0 +1,227 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float16_t
+ softfloat_mulAddF16(
+ uint_fast16_t uiA, uint_fast16_t uiB, uint_fast16_t uiC, uint_fast8_t op )
+{
+ bool signA;
+ int_fast8_t expA;
+ uint_fast16_t sigA;
+ bool signB;
+ int_fast8_t expB;
+ uint_fast16_t sigB;
+ bool signC;
+ int_fast8_t expC;
+ uint_fast16_t sigC;
+ bool signProd;
+ uint_fast16_t magBits, uiZ;
+ struct exp8_sig16 normExpSig;
+ int_fast8_t expProd;
+ uint_fast32_t sigProd;
+ bool signZ;
+ int_fast8_t expZ;
+ uint_fast16_t sigZ;
+ int_fast8_t expDiff;
+ uint_fast32_t sig32Z, sig32C;
+ int_fast8_t shiftDist;
+ union ui16_f16 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ signA = signF16UI( uiA );
+ expA = expF16UI( uiA );
+ sigA = fracF16UI( uiA );
+ signB = signF16UI( uiB );
+ expB = expF16UI( uiB );
+ sigB = fracF16UI( uiB );
+ signC = signF16UI( uiC ) ^ (op == softfloat_mulAdd_subC);
+ expC = expF16UI( uiC );
+ sigC = fracF16UI( uiC );
+ signProd = signA ^ signB ^ (op == softfloat_mulAdd_subProd);
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x1F ) {
+ if ( sigA || ((expB == 0x1F) && sigB) ) goto propagateNaN_ABC;
+ magBits = expB | sigB;
+ goto infProdArg;
+ }
+ if ( expB == 0x1F ) {
+ if ( sigB ) goto propagateNaN_ABC;
+ magBits = expA | sigA;
+ goto infProdArg;
+ }
+ if ( expC == 0x1F ) {
+ if ( sigC ) {
+ uiZ = 0;
+ goto propagateNaN_ZC;
+ }
+ uiZ = uiC;
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) {
+ if ( ! sigA ) goto zeroProd;
+ normExpSig = softfloat_normSubnormalF16Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ if ( ! expB ) {
+ if ( ! sigB ) goto zeroProd;
+ normExpSig = softfloat_normSubnormalF16Sig( sigB );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expProd = expA + expB - 0xE;
+ sigA = (sigA | 0x0400)<<4;
+ sigB = (sigB | 0x0400)<<4;
+ sigProd = (uint_fast32_t) sigA * sigB;
+ if ( sigProd < 0x20000000 ) {
+ --expProd;
+ sigProd <<= 1;
+ }
+ signZ = signProd;
+ if ( ! expC ) {
+ if ( ! sigC ) {
+ expZ = expProd - 1;
+ sigZ = sigProd>>15 | ((sigProd & 0x7FFF) != 0);
+ goto roundPack;
+ }
+ normExpSig = softfloat_normSubnormalF16Sig( sigC );
+ expC = normExpSig.exp;
+ sigC = normExpSig.sig;
+ }
+ sigC = (sigC | 0x0400)<<3;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expProd - expC;
+ if ( signProd == signC ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( expDiff <= 0 ) {
+ expZ = expC;
+ sigZ = sigC + softfloat_shiftRightJam32( sigProd, 16 - expDiff );
+ } else {
+ expZ = expProd;
+ sig32Z =
+ sigProd
+ + softfloat_shiftRightJam32(
+ (uint_fast32_t) sigC<<16, expDiff );
+ sigZ = sig32Z>>16 | ((sig32Z & 0xFFFF) != 0 );
+ }
+ if ( sigZ < 0x4000 ) {
+ --expZ;
+ sigZ <<= 1;
+ }
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ sig32C = (uint_fast32_t) sigC<<16;
+ if ( expDiff < 0 ) {
+ signZ = signC;
+ expZ = expC;
+ sig32Z = sig32C - softfloat_shiftRightJam32( sigProd, -expDiff );
+ } else if ( ! expDiff ) {
+ expZ = expProd;
+ sig32Z = sigProd - sig32C;
+ if ( ! sig32Z ) goto completeCancellation;
+ if ( sig32Z & 0x80000000 ) {
+ signZ = ! signZ;
+ sig32Z = -sig32Z;
+ }
+ } else {
+ expZ = expProd;
+ sig32Z = sigProd - softfloat_shiftRightJam32( sig32C, expDiff );
+ }
+ shiftDist = softfloat_countLeadingZeros32( sig32Z ) - 1;
+ expZ -= shiftDist;
+ shiftDist -= 16;
+ if ( shiftDist < 0 ) {
+ sigZ =
+ sig32Z>>(-shiftDist)
+ | ((uint32_t) (sig32Z<<(shiftDist & 31)) != 0);
+ } else {
+ sigZ = (uint_fast16_t) sig32Z<<shiftDist;
+ }
+ }
+ roundPack:
+ return softfloat_roundPackToF16( signZ, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN_ABC:
+ uiZ = softfloat_propagateNaNF16UI( uiA, uiB );
+ goto propagateNaN_ZC;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ infProdArg:
+ if ( magBits ) {
+ uiZ = packToF16UI( signProd, 0x1F, 0 );
+ if ( expC != 0x1F ) goto uiZ;
+ if ( sigC ) goto propagateNaN_ZC;
+ if ( signProd == signC ) goto uiZ;
+ }
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF16UI;
+ propagateNaN_ZC:
+ uiZ = softfloat_propagateNaNF16UI( uiZ, uiC );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zeroProd:
+ uiZ = uiC;
+ if ( ! (expC | sigC) && (signProd != signC) ) {
+ completeCancellation:
+ uiZ =
+ packToF16UI(
+ (softfloat_roundingMode == softfloat_round_min), 0, 0 );
+ }
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_mulAddF32.c b/ext/softfloat/s_mulAddF32.c
new file mode 100644
index 0000000..be28c70
--- /dev/null
+++ b/ext/softfloat/s_mulAddF32.c
@@ -0,0 +1,225 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float32_t
+ softfloat_mulAddF32(
+ uint_fast32_t uiA, uint_fast32_t uiB, uint_fast32_t uiC, uint_fast8_t op )
+{
+ bool signA;
+ int_fast16_t expA;
+ uint_fast32_t sigA;
+ bool signB;
+ int_fast16_t expB;
+ uint_fast32_t sigB;
+ bool signC;
+ int_fast16_t expC;
+ uint_fast32_t sigC;
+ bool signProd;
+ uint_fast32_t magBits, uiZ;
+ struct exp16_sig32 normExpSig;
+ int_fast16_t expProd;
+ uint_fast64_t sigProd;
+ bool signZ;
+ int_fast16_t expZ;
+ uint_fast32_t sigZ;
+ int_fast16_t expDiff;
+ uint_fast64_t sig64Z, sig64C;
+ int_fast8_t shiftDist;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ signA = signF32UI( uiA );
+ expA = expF32UI( uiA );
+ sigA = fracF32UI( uiA );
+ signB = signF32UI( uiB );
+ expB = expF32UI( uiB );
+ sigB = fracF32UI( uiB );
+ signC = signF32UI( uiC ) ^ (op == softfloat_mulAdd_subC);
+ expC = expF32UI( uiC );
+ sigC = fracF32UI( uiC );
+ signProd = signA ^ signB ^ (op == softfloat_mulAdd_subProd);
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0xFF ) {
+ if ( sigA || ((expB == 0xFF) && sigB) ) goto propagateNaN_ABC;
+ magBits = expB | sigB;
+ goto infProdArg;
+ }
+ if ( expB == 0xFF ) {
+ if ( sigB ) goto propagateNaN_ABC;
+ magBits = expA | sigA;
+ goto infProdArg;
+ }
+ if ( expC == 0xFF ) {
+ if ( sigC ) {
+ uiZ = 0;
+ goto propagateNaN_ZC;
+ }
+ uiZ = uiC;
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) {
+ if ( ! sigA ) goto zeroProd;
+ normExpSig = softfloat_normSubnormalF32Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ if ( ! expB ) {
+ if ( ! sigB ) goto zeroProd;
+ normExpSig = softfloat_normSubnormalF32Sig( sigB );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expProd = expA + expB - 0x7E;
+ sigA = (sigA | 0x00800000)<<7;
+ sigB = (sigB | 0x00800000)<<7;
+ sigProd = (uint_fast64_t) sigA * sigB;
+ if ( sigProd < UINT64_C( 0x2000000000000000 ) ) {
+ --expProd;
+ sigProd <<= 1;
+ }
+ signZ = signProd;
+ if ( ! expC ) {
+ if ( ! sigC ) {
+ expZ = expProd - 1;
+ sigZ = softfloat_shortShiftRightJam64( sigProd, 31 );
+ goto roundPack;
+ }
+ normExpSig = softfloat_normSubnormalF32Sig( sigC );
+ expC = normExpSig.exp;
+ sigC = normExpSig.sig;
+ }
+ sigC = (sigC | 0x00800000)<<6;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expProd - expC;
+ if ( signProd == signC ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( expDiff <= 0 ) {
+ expZ = expC;
+ sigZ = sigC + softfloat_shiftRightJam64( sigProd, 32 - expDiff );
+ } else {
+ expZ = expProd;
+ sig64Z =
+ sigProd
+ + softfloat_shiftRightJam64(
+ (uint_fast64_t) sigC<<32, expDiff );
+ sigZ = softfloat_shortShiftRightJam64( sig64Z, 32 );
+ }
+ if ( sigZ < 0x40000000 ) {
+ --expZ;
+ sigZ <<= 1;
+ }
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ sig64C = (uint_fast64_t) sigC<<32;
+ if ( expDiff < 0 ) {
+ signZ = signC;
+ expZ = expC;
+ sig64Z = sig64C - softfloat_shiftRightJam64( sigProd, -expDiff );
+ } else if ( ! expDiff ) {
+ expZ = expProd;
+ sig64Z = sigProd - sig64C;
+ if ( ! sig64Z ) goto completeCancellation;
+ if ( sig64Z & UINT64_C( 0x8000000000000000 ) ) {
+ signZ = ! signZ;
+ sig64Z = -sig64Z;
+ }
+ } else {
+ expZ = expProd;
+ sig64Z = sigProd - softfloat_shiftRightJam64( sig64C, expDiff );
+ }
+ shiftDist = softfloat_countLeadingZeros64( sig64Z ) - 1;
+ expZ -= shiftDist;
+ shiftDist -= 32;
+ if ( shiftDist < 0 ) {
+ sigZ = softfloat_shortShiftRightJam64( sig64Z, -shiftDist );
+ } else {
+ sigZ = (uint_fast32_t) sig64Z<<shiftDist;
+ }
+ }
+ roundPack:
+ return softfloat_roundPackToF32( signZ, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN_ABC:
+ uiZ = softfloat_propagateNaNF32UI( uiA, uiB );
+ goto propagateNaN_ZC;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ infProdArg:
+ if ( magBits ) {
+ uiZ = packToF32UI( signProd, 0xFF, 0 );
+ if ( expC != 0xFF ) goto uiZ;
+ if ( sigC ) goto propagateNaN_ZC;
+ if ( signProd == signC ) goto uiZ;
+ }
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF32UI;
+ propagateNaN_ZC:
+ uiZ = softfloat_propagateNaNF32UI( uiZ, uiC );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zeroProd:
+ uiZ = uiC;
+ if ( ! (expC | sigC) && (signProd != signC) ) {
+ completeCancellation:
+ uiZ =
+ packToF32UI(
+ (softfloat_roundingMode == softfloat_round_min), 0, 0 );
+ }
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_mulAddF64.c b/ext/softfloat/s_mulAddF64.c
new file mode 100644
index 0000000..a12e186
--- /dev/null
+++ b/ext/softfloat/s_mulAddF64.c
@@ -0,0 +1,497 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+float64_t
+ softfloat_mulAddF64(
+ uint_fast64_t uiA, uint_fast64_t uiB, uint_fast64_t uiC, uint_fast8_t op )
+{
+ bool signA;
+ int_fast16_t expA;
+ uint_fast64_t sigA;
+ bool signB;
+ int_fast16_t expB;
+ uint_fast64_t sigB;
+ bool signC;
+ int_fast16_t expC;
+ uint_fast64_t sigC;
+ bool signZ;
+ uint_fast64_t magBits, uiZ;
+ struct exp16_sig64 normExpSig;
+ int_fast16_t expZ;
+ struct uint128 sig128Z;
+ uint_fast64_t sigZ;
+ int_fast16_t expDiff;
+ struct uint128 sig128C;
+ int_fast8_t shiftDist;
+ union ui64_f64 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ signA = signF64UI( uiA );
+ expA = expF64UI( uiA );
+ sigA = fracF64UI( uiA );
+ signB = signF64UI( uiB );
+ expB = expF64UI( uiB );
+ sigB = fracF64UI( uiB );
+ signC = signF64UI( uiC ) ^ (op == softfloat_mulAdd_subC);
+ expC = expF64UI( uiC );
+ sigC = fracF64UI( uiC );
+ signZ = signA ^ signB ^ (op == softfloat_mulAdd_subProd);
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x7FF ) {
+ if ( sigA || ((expB == 0x7FF) && sigB) ) goto propagateNaN_ABC;
+ magBits = expB | sigB;
+ goto infProdArg;
+ }
+ if ( expB == 0x7FF ) {
+ if ( sigB ) goto propagateNaN_ABC;
+ magBits = expA | sigA;
+ goto infProdArg;
+ }
+ if ( expC == 0x7FF ) {
+ if ( sigC ) {
+ uiZ = 0;
+ goto propagateNaN_ZC;
+ }
+ uiZ = uiC;
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) {
+ if ( ! sigA ) goto zeroProd;
+ normExpSig = softfloat_normSubnormalF64Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ if ( ! expB ) {
+ if ( ! sigB ) goto zeroProd;
+ normExpSig = softfloat_normSubnormalF64Sig( sigB );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = expA + expB - 0x3FE;
+ sigA = (sigA | UINT64_C( 0x0010000000000000 ))<<10;
+ sigB = (sigB | UINT64_C( 0x0010000000000000 ))<<10;
+ sig128Z = softfloat_mul64To128( sigA, sigB );
+ if ( sig128Z.v64 < UINT64_C( 0x2000000000000000 ) ) {
+ --expZ;
+ sig128Z =
+ softfloat_add128(
+ sig128Z.v64, sig128Z.v0, sig128Z.v64, sig128Z.v0 );
+ }
+ if ( ! expC ) {
+ if ( ! sigC ) {
+ --expZ;
+ sigZ = sig128Z.v64<<1 | (sig128Z.v0 != 0);
+ goto roundPack;
+ }
+ normExpSig = softfloat_normSubnormalF64Sig( sigC );
+ expC = normExpSig.exp;
+ sigC = normExpSig.sig;
+ }
+ sigC = (sigC | UINT64_C( 0x0010000000000000 ))<<9;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expZ - expC;
+ if ( expDiff < 0 ) {
+ expZ = expC;
+ if ( (signZ == signC) || (expDiff < -1) ) {
+ sig128Z.v64 = softfloat_shiftRightJam64( sig128Z.v64, -expDiff );
+ } else {
+ sig128Z =
+ softfloat_shortShiftRightJam128( sig128Z.v64, sig128Z.v0, 1 );
+ }
+ } else if ( expDiff ) {
+ sig128C = softfloat_shiftRightJam128( sigC, 0, expDiff );
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( signZ == signC ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( expDiff <= 0 ) {
+ sigZ = (sigC + sig128Z.v64) | (sig128Z.v0 != 0);
+ } else {
+ sig128Z =
+ softfloat_add128(
+ sig128Z.v64, sig128Z.v0, sig128C.v64, sig128C.v0 );
+ sigZ = sig128Z.v64 | (sig128Z.v0 != 0);
+ }
+ if ( sigZ < UINT64_C( 0x4000000000000000 ) ) {
+ --expZ;
+ sigZ <<= 1;
+ }
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( expDiff < 0 ) {
+ signZ = signC;
+ sig128Z = softfloat_sub128( sigC, 0, sig128Z.v64, sig128Z.v0 );
+ } else if ( ! expDiff ) {
+ sig128Z.v64 = sig128Z.v64 - sigC;
+ if ( ! (sig128Z.v64 | sig128Z.v0) ) goto completeCancellation;
+ if ( sig128Z.v64 & UINT64_C( 0x8000000000000000 ) ) {
+ signZ = ! signZ;
+ sig128Z = softfloat_sub128( 0, 0, sig128Z.v64, sig128Z.v0 );
+ }
+ } else {
+ sig128Z =
+ softfloat_sub128(
+ sig128Z.v64, sig128Z.v0, sig128C.v64, sig128C.v0 );
+ }
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( ! sig128Z.v64 ) {
+ expZ -= 64;
+ sig128Z.v64 = sig128Z.v0;
+ sig128Z.v0 = 0;
+ }
+ shiftDist = softfloat_countLeadingZeros64( sig128Z.v64 ) - 1;
+ expZ -= shiftDist;
+ if ( shiftDist < 0 ) {
+ sigZ = softfloat_shortShiftRightJam64( sig128Z.v64, -shiftDist );
+ } else {
+ sig128Z =
+ softfloat_shortShiftLeft128(
+ sig128Z.v64, sig128Z.v0, shiftDist );
+ sigZ = sig128Z.v64;
+ }
+ sigZ |= (sig128Z.v0 != 0);
+ }
+ roundPack:
+ return softfloat_roundPackToF64( signZ, expZ, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN_ABC:
+ uiZ = softfloat_propagateNaNF64UI( uiA, uiB );
+ goto propagateNaN_ZC;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ infProdArg:
+ if ( magBits ) {
+ uiZ = packToF64UI( signZ, 0x7FF, 0 );
+ if ( expC != 0x7FF ) goto uiZ;
+ if ( sigC ) goto propagateNaN_ZC;
+ if ( signZ == signC ) goto uiZ;
+ }
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF64UI;
+ propagateNaN_ZC:
+ uiZ = softfloat_propagateNaNF64UI( uiZ, uiC );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zeroProd:
+ uiZ = uiC;
+ if ( ! (expC | sigC) && (signZ != signC) ) {
+ completeCancellation:
+ uiZ =
+ packToF64UI(
+ (softfloat_roundingMode == softfloat_round_min), 0, 0 );
+ }
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
+#else
+
+float64_t
+ softfloat_mulAddF64(
+ uint_fast64_t uiA, uint_fast64_t uiB, uint_fast64_t uiC, uint_fast8_t op )
+{
+ bool signA;
+ int_fast16_t expA;
+ uint64_t sigA;
+ bool signB;
+ int_fast16_t expB;
+ uint64_t sigB;
+ bool signC;
+ int_fast16_t expC;
+ uint64_t sigC;
+ bool signZ;
+ uint64_t magBits, uiZ;
+ struct exp16_sig64 normExpSig;
+ int_fast16_t expZ;
+ uint32_t sig128Z[4];
+ uint64_t sigZ;
+ int_fast16_t shiftDist, expDiff;
+ uint32_t sig128C[4];
+ union ui64_f64 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ signA = signF64UI( uiA );
+ expA = expF64UI( uiA );
+ sigA = fracF64UI( uiA );
+ signB = signF64UI( uiB );
+ expB = expF64UI( uiB );
+ sigB = fracF64UI( uiB );
+ signC = signF64UI( uiC ) ^ (op == softfloat_mulAdd_subC);
+ expC = expF64UI( uiC );
+ sigC = fracF64UI( uiC );
+ signZ = signA ^ signB ^ (op == softfloat_mulAdd_subProd);
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expA == 0x7FF ) {
+ if ( sigA || ((expB == 0x7FF) && sigB) ) goto propagateNaN_ABC;
+ magBits = expB | sigB;
+ goto infProdArg;
+ }
+ if ( expB == 0x7FF ) {
+ if ( sigB ) goto propagateNaN_ABC;
+ magBits = expA | sigA;
+ goto infProdArg;
+ }
+ if ( expC == 0x7FF ) {
+ if ( sigC ) {
+ uiZ = 0;
+ goto propagateNaN_ZC;
+ }
+ uiZ = uiC;
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) {
+ if ( ! sigA ) goto zeroProd;
+ normExpSig = softfloat_normSubnormalF64Sig( sigA );
+ expA = normExpSig.exp;
+ sigA = normExpSig.sig;
+ }
+ if ( ! expB ) {
+ if ( ! sigB ) goto zeroProd;
+ normExpSig = softfloat_normSubnormalF64Sig( sigB );
+ expB = normExpSig.exp;
+ sigB = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = expA + expB - 0x3FE;
+ sigA = (sigA | UINT64_C( 0x0010000000000000 ))<<10;
+ sigB = (sigB | UINT64_C( 0x0010000000000000 ))<<11;
+ softfloat_mul64To128M( sigA, sigB, sig128Z );
+ sigZ =
+ (uint64_t) sig128Z[indexWord( 4, 3 )]<<32 | sig128Z[indexWord( 4, 2 )];
+ shiftDist = 0;
+ if ( ! (sigZ & UINT64_C( 0x4000000000000000 )) ) {
+ --expZ;
+ shiftDist = -1;
+ }
+ if ( ! expC ) {
+ if ( ! sigC ) {
+ if ( shiftDist ) sigZ <<= 1;
+ goto sigZ;
+ }
+ normExpSig = softfloat_normSubnormalF64Sig( sigC );
+ expC = normExpSig.exp;
+ sigC = normExpSig.sig;
+ }
+ sigC = (sigC | UINT64_C( 0x0010000000000000 ))<<10;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expZ - expC;
+ if ( expDiff < 0 ) {
+ expZ = expC;
+ if ( (signZ == signC) || (expDiff < -1) ) {
+ shiftDist -= expDiff;
+ if ( shiftDist) {
+ sigZ = softfloat_shiftRightJam64( sigZ, shiftDist );
+ }
+ } else {
+ if ( ! shiftDist ) {
+ softfloat_shortShiftRight128M( sig128Z, 1, sig128Z );
+ }
+ }
+ } else {
+ if ( shiftDist ) softfloat_add128M( sig128Z, sig128Z, sig128Z );
+ if ( ! expDiff ) {
+ sigZ =
+ (uint64_t) sig128Z[indexWord( 4, 3 )]<<32
+ | sig128Z[indexWord( 4, 2 )];
+ } else {
+ sig128C[indexWord( 4, 3 )] = sigC>>32;
+ sig128C[indexWord( 4, 2 )] = sigC;
+ sig128C[indexWord( 4, 1 )] = 0;
+ sig128C[indexWord( 4, 0 )] = 0;
+ softfloat_shiftRightJam128M( sig128C, expDiff, sig128C );
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( signZ == signC ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( expDiff <= 0 ) {
+ sigZ += sigC;
+ } else {
+ softfloat_add128M( sig128Z, sig128C, sig128Z );
+ sigZ =
+ (uint64_t) sig128Z[indexWord( 4, 3 )]<<32
+ | sig128Z[indexWord( 4, 2 )];
+ }
+ if ( sigZ & UINT64_C( 0x8000000000000000 ) ) {
+ ++expZ;
+ sigZ = softfloat_shortShiftRightJam64( sigZ, 1 );
+ }
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( expDiff < 0 ) {
+ signZ = signC;
+ if ( expDiff < -1 ) {
+ sigZ = sigC - sigZ;
+ if (
+ sig128Z[indexWord( 4, 1 )] || sig128Z[indexWord( 4, 0 )]
+ ) {
+ sigZ = (sigZ - 1) | 1;
+ }
+ if ( ! (sigZ & UINT64_C( 0x4000000000000000 )) ) {
+ --expZ;
+ sigZ <<= 1;
+ }
+ goto roundPack;
+ } else {
+ sig128C[indexWord( 4, 3 )] = sigC>>32;
+ sig128C[indexWord( 4, 2 )] = sigC;
+ sig128C[indexWord( 4, 1 )] = 0;
+ sig128C[indexWord( 4, 0 )] = 0;
+ softfloat_sub128M( sig128C, sig128Z, sig128Z );
+ }
+ } else if ( ! expDiff ) {
+ sigZ -= sigC;
+ if (
+ ! sigZ && ! sig128Z[indexWord( 4, 1 )]
+ && ! sig128Z[indexWord( 4, 0 )]
+ ) {
+ goto completeCancellation;
+ }
+ sig128Z[indexWord( 4, 3 )] = sigZ>>32;
+ sig128Z[indexWord( 4, 2 )] = sigZ;
+ if ( sigZ & UINT64_C( 0x8000000000000000 ) ) {
+ signZ = ! signZ;
+ softfloat_negX128M( sig128Z );
+ }
+ } else {
+ softfloat_sub128M( sig128Z, sig128C, sig128Z );
+ if ( 1 < expDiff ) {
+ sigZ =
+ (uint64_t) sig128Z[indexWord( 4, 3 )]<<32
+ | sig128Z[indexWord( 4, 2 )];
+ if ( ! (sigZ & UINT64_C( 0x4000000000000000 )) ) {
+ --expZ;
+ sigZ <<= 1;
+ }
+ goto sigZ;
+ }
+ }
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ shiftDist = 0;
+ sigZ =
+ (uint64_t) sig128Z[indexWord( 4, 3 )]<<32
+ | sig128Z[indexWord( 4, 2 )];
+ if ( ! sigZ ) {
+ shiftDist = 64;
+ sigZ =
+ (uint64_t) sig128Z[indexWord( 4, 1 )]<<32
+ | sig128Z[indexWord( 4, 0 )];
+ }
+ shiftDist += softfloat_countLeadingZeros64( sigZ ) - 1;
+ if ( shiftDist ) {
+ expZ -= shiftDist;
+ softfloat_shiftLeft128M( sig128Z, shiftDist, sig128Z );
+ sigZ =
+ (uint64_t) sig128Z[indexWord( 4, 3 )]<<32
+ | sig128Z[indexWord( 4, 2 )];
+ }
+ }
+ sigZ:
+ if ( sig128Z[indexWord( 4, 1 )] || sig128Z[indexWord( 4, 0 )] ) sigZ |= 1;
+ roundPack:
+ return softfloat_roundPackToF64( signZ, expZ - 1, sigZ );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN_ABC:
+ uiZ = softfloat_propagateNaNF64UI( uiA, uiB );
+ goto propagateNaN_ZC;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ infProdArg:
+ if ( magBits ) {
+ uiZ = packToF64UI( signZ, 0x7FF, 0 );
+ if ( expC != 0x7FF ) goto uiZ;
+ if ( sigC ) goto propagateNaN_ZC;
+ if ( signZ == signC ) goto uiZ;
+ }
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF64UI;
+ propagateNaN_ZC:
+ uiZ = softfloat_propagateNaNF64UI( uiZ, uiC );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zeroProd:
+ uiZ = uiC;
+ if ( ! (expC | sigC) && (signZ != signC) ) {
+ completeCancellation:
+ uiZ =
+ packToF64UI(
+ (softfloat_roundingMode == softfloat_round_min), 0, 0 );
+ }
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_negXM.c b/ext/softfloat/s_negXM.c
new file mode 100644
index 0000000..d90c523
--- /dev/null
+++ b/ext/softfloat/s_negXM.c
@@ -0,0 +1,64 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_negXM
+
+void softfloat_negXM( uint_fast8_t size_words, uint32_t *zPtr )
+{
+ unsigned int index, lastIndex;
+ uint_fast8_t carry;
+ uint32_t word;
+
+ index = indexWordLo( size_words );
+ lastIndex = indexWordHi( size_words );
+ carry = 1;
+ for (;;) {
+ word = ~zPtr[index] + carry;
+ zPtr[index] = word;
+ if ( index == lastIndex ) break;
+ index += wordIncr;
+ if ( word ) carry = 0;
+ }
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_normRoundPackToF128.c b/ext/softfloat/s_normRoundPackToF128.c
new file mode 100644
index 0000000..7da9301
--- /dev/null
+++ b/ext/softfloat/s_normRoundPackToF128.c
@@ -0,0 +1,82 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+
+float128_t
+ softfloat_normRoundPackToF128(
+ bool sign, int_fast32_t exp, uint_fast64_t sig64, uint_fast64_t sig0 )
+{
+ int_fast8_t shiftDist;
+ struct uint128 sig128;
+ union ui128_f128 uZ;
+ uint_fast64_t sigExtra;
+ struct uint128_extra sig128Extra;
+
+ if ( ! sig64 ) {
+ exp -= 64;
+ sig64 = sig0;
+ sig0 = 0;
+ }
+ shiftDist = softfloat_countLeadingZeros64( sig64 ) - 15;
+ exp -= shiftDist;
+ if ( 0 <= shiftDist ) {
+ if ( shiftDist ) {
+ sig128 = softfloat_shortShiftLeft128( sig64, sig0, shiftDist );
+ sig64 = sig128.v64;
+ sig0 = sig128.v0;
+ }
+ if ( (uint32_t) exp < 0x7FFD ) {
+ uZ.ui.v64 = packToF128UI64( sign, sig64 | sig0 ? exp : 0, sig64 );
+ uZ.ui.v0 = sig0;
+ return uZ.f;
+ }
+ sigExtra = 0;
+ } else {
+ sig128Extra =
+ softfloat_shortShiftRightJam128Extra( sig64, sig0, 0, -shiftDist );
+ sig64 = sig128Extra.v.v64;
+ sig0 = sig128Extra.v.v0;
+ sigExtra = sig128Extra.extra;
+ }
+ return softfloat_roundPackToF128( sign, exp, sig64, sig0, sigExtra );
+
+}
+
diff --git a/ext/softfloat/s_normRoundPackToF16.c b/ext/softfloat/s_normRoundPackToF16.c
new file mode 100644
index 0000000..f8db71c
--- /dev/null
+++ b/ext/softfloat/s_normRoundPackToF16.c
@@ -0,0 +1,59 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+
+float16_t
+ softfloat_normRoundPackToF16( bool sign, int_fast16_t exp, uint_fast16_t sig )
+{
+ int_fast8_t shiftDist;
+ union ui16_f16 uZ;
+
+ shiftDist = softfloat_countLeadingZeros16( sig ) - 1;
+ exp -= shiftDist;
+ if ( (4 <= shiftDist) && ((unsigned int) exp < 0x1D) ) {
+ uZ.ui = packToF16UI( sign, sig ? exp : 0, sig<<(shiftDist - 4) );
+ return uZ.f;
+ } else {
+ return softfloat_roundPackToF16( sign, exp, sig<<shiftDist );
+ }
+
+}
+
diff --git a/ext/softfloat/s_normRoundPackToF32.c b/ext/softfloat/s_normRoundPackToF32.c
new file mode 100644
index 0000000..2555a81
--- /dev/null
+++ b/ext/softfloat/s_normRoundPackToF32.c
@@ -0,0 +1,59 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+
+float32_t
+ softfloat_normRoundPackToF32( bool sign, int_fast16_t exp, uint_fast32_t sig )
+{
+ int_fast8_t shiftDist;
+ union ui32_f32 uZ;
+
+ shiftDist = softfloat_countLeadingZeros32( sig ) - 1;
+ exp -= shiftDist;
+ if ( (7 <= shiftDist) && ((unsigned int) exp < 0xFD) ) {
+ uZ.ui = packToF32UI( sign, sig ? exp : 0, sig<<(shiftDist - 7) );
+ return uZ.f;
+ } else {
+ return softfloat_roundPackToF32( sign, exp, sig<<shiftDist );
+ }
+
+}
+
diff --git a/ext/softfloat/s_normRoundPackToF64.c b/ext/softfloat/s_normRoundPackToF64.c
new file mode 100644
index 0000000..60a9e53
--- /dev/null
+++ b/ext/softfloat/s_normRoundPackToF64.c
@@ -0,0 +1,59 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+
+float64_t
+ softfloat_normRoundPackToF64( bool sign, int_fast16_t exp, uint_fast64_t sig )
+{
+ int_fast8_t shiftDist;
+ union ui64_f64 uZ;
+
+ shiftDist = softfloat_countLeadingZeros64( sig ) - 1;
+ exp -= shiftDist;
+ if ( (10 <= shiftDist) && ((unsigned int) exp < 0x7FD) ) {
+ uZ.ui = packToF64UI( sign, sig ? exp : 0, sig<<(shiftDist - 10) );
+ return uZ.f;
+ } else {
+ return softfloat_roundPackToF64( sign, exp, sig<<shiftDist );
+ }
+
+}
+
diff --git a/ext/softfloat/s_normSubnormalF128Sig.c b/ext/softfloat/s_normSubnormalF128Sig.c
new file mode 100644
index 0000000..5919b77
--- /dev/null
+++ b/ext/softfloat/s_normSubnormalF128Sig.c
@@ -0,0 +1,66 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+
+struct exp32_sig128
+ softfloat_normSubnormalF128Sig( uint_fast64_t sig64, uint_fast64_t sig0 )
+{
+ int_fast8_t shiftDist;
+ struct exp32_sig128 z;
+
+ if ( ! sig64 ) {
+ shiftDist = softfloat_countLeadingZeros64( sig0 ) - 15;
+ z.exp = -63 - shiftDist;
+ if ( shiftDist < 0 ) {
+ z.sig.v64 = sig0>>-shiftDist;
+ z.sig.v0 = sig0<<(shiftDist & 63);
+ } else {
+ z.sig.v64 = sig0<<shiftDist;
+ z.sig.v0 = 0;
+ }
+ } else {
+ shiftDist = softfloat_countLeadingZeros64( sig64 ) - 15;
+ z.exp = 1 - shiftDist;
+ z.sig = softfloat_shortShiftLeft128( sig64, sig0, shiftDist );
+ }
+ return z;
+
+}
+
diff --git a/ext/softfloat/s_normSubnormalF16Sig.c b/ext/softfloat/s_normSubnormalF16Sig.c
new file mode 100644
index 0000000..0beb0b9
--- /dev/null
+++ b/ext/softfloat/s_normSubnormalF16Sig.c
@@ -0,0 +1,53 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+
+struct exp8_sig16 softfloat_normSubnormalF16Sig( uint_fast16_t sig )
+{
+ int_fast8_t shiftDist;
+ struct exp8_sig16 z;
+
+ shiftDist = softfloat_countLeadingZeros16( sig ) - 5;
+ z.exp = 1 - shiftDist;
+ z.sig = sig<<shiftDist;
+ return z;
+
+}
+
diff --git a/ext/softfloat/s_normSubnormalF32Sig.c b/ext/softfloat/s_normSubnormalF32Sig.c
new file mode 100644
index 0000000..c12fb83
--- /dev/null
+++ b/ext/softfloat/s_normSubnormalF32Sig.c
@@ -0,0 +1,53 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+
+struct exp16_sig32 softfloat_normSubnormalF32Sig( uint_fast32_t sig )
+{
+ int_fast8_t shiftDist;
+ struct exp16_sig32 z;
+
+ shiftDist = softfloat_countLeadingZeros32( sig ) - 8;
+ z.exp = 1 - shiftDist;
+ z.sig = sig<<shiftDist;
+ return z;
+
+}
+
diff --git a/ext/softfloat/s_normSubnormalF64Sig.c b/ext/softfloat/s_normSubnormalF64Sig.c
new file mode 100644
index 0000000..aa4a936
--- /dev/null
+++ b/ext/softfloat/s_normSubnormalF64Sig.c
@@ -0,0 +1,53 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+
+struct exp16_sig64 softfloat_normSubnormalF64Sig( uint_fast64_t sig )
+{
+ int_fast8_t shiftDist;
+ struct exp16_sig64 z;
+
+ shiftDist = softfloat_countLeadingZeros64( sig ) - 11;
+ z.exp = 1 - shiftDist;
+ z.sig = sig<<shiftDist;
+ return z;
+
+}
+
diff --git a/ext/softfloat/s_propagateNaNF128UI.c b/ext/softfloat/s_propagateNaNF128UI.c
new file mode 100644
index 0000000..e00f846
--- /dev/null
+++ b/ext/softfloat/s_propagateNaNF128UI.c
@@ -0,0 +1,74 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+/*----------------------------------------------------------------------------
+| Interpreting the unsigned integer formed from concatenating `uiA64' and
+| `uiA0' as a 128-bit floating-point value, and likewise interpreting the
+| unsigned integer formed from concatenating `uiB64' and `uiB0' as another
+| 128-bit floating-point value, and assuming at least on of these floating-
+| point values is a NaN, returns the bit pattern of the combined NaN result.
+| If either original floating-point value is a signaling NaN, the invalid
+| exception is raised.
+*----------------------------------------------------------------------------*/
+struct uint128
+ softfloat_propagateNaNF128UI(
+ uint_fast64_t uiA64,
+ uint_fast64_t uiA0,
+ uint_fast64_t uiB64,
+ uint_fast64_t uiB0
+ )
+{
+ struct uint128 uiZ;
+
+ if (
+ softfloat_isSigNaNF128UI( uiA64, uiA0 )
+ || softfloat_isSigNaNF128UI( uiB64, uiB0 )
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ uiZ.v64 = defaultNaNF128UI64;
+ uiZ.v0 = defaultNaNF128UI0;
+ return uiZ;
+
+}
+
diff --git a/ext/softfloat/s_propagateNaNF16UI.c b/ext/softfloat/s_propagateNaNF16UI.c
new file mode 100644
index 0000000..9c553d4
--- /dev/null
+++ b/ext/softfloat/s_propagateNaNF16UI.c
@@ -0,0 +1,59 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+/*----------------------------------------------------------------------------
+| Interpreting `uiA' and `uiB' as the bit patterns of two 16-bit floating-
+| point values, at least one of which is a NaN, returns the bit pattern of
+| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
+| signaling NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+uint_fast16_t
+ softfloat_propagateNaNF16UI( uint_fast16_t uiA, uint_fast16_t uiB )
+{
+
+ if ( softfloat_isSigNaNF16UI( uiA ) || softfloat_isSigNaNF16UI( uiB ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return defaultNaNF16UI;
+
+}
+
diff --git a/ext/softfloat/s_propagateNaNF32UI.c b/ext/softfloat/s_propagateNaNF32UI.c
new file mode 100644
index 0000000..953b5c4
--- /dev/null
+++ b/ext/softfloat/s_propagateNaNF32UI.c
@@ -0,0 +1,59 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+/*----------------------------------------------------------------------------
+| Interpreting `uiA' and `uiB' as the bit patterns of two 32-bit floating-
+| point values, at least one of which is a NaN, returns the bit pattern of
+| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
+| signaling NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+uint_fast32_t
+ softfloat_propagateNaNF32UI( uint_fast32_t uiA, uint_fast32_t uiB )
+{
+
+ if ( softfloat_isSigNaNF32UI( uiA ) || softfloat_isSigNaNF32UI( uiB ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return defaultNaNF32UI;
+
+}
+
diff --git a/ext/softfloat/s_propagateNaNF64UI.c b/ext/softfloat/s_propagateNaNF64UI.c
new file mode 100644
index 0000000..aba196a
--- /dev/null
+++ b/ext/softfloat/s_propagateNaNF64UI.c
@@ -0,0 +1,59 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+/*----------------------------------------------------------------------------
+| Interpreting `uiA' and `uiB' as the bit patterns of two 64-bit floating-
+| point values, at least one of which is a NaN, returns the bit pattern of
+| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
+| signaling NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+uint_fast64_t
+ softfloat_propagateNaNF64UI( uint_fast64_t uiA, uint_fast64_t uiB )
+{
+
+ if ( softfloat_isSigNaNF64UI( uiA ) || softfloat_isSigNaNF64UI( uiB ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return defaultNaNF64UI;
+
+}
+
diff --git a/ext/softfloat/s_remStepMBy32.c b/ext/softfloat/s_remStepMBy32.c
new file mode 100644
index 0000000..6bf344f
--- /dev/null
+++ b/ext/softfloat/s_remStepMBy32.c
@@ -0,0 +1,87 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_remStepMBy32
+
+void
+ softfloat_remStepMBy32(
+ uint_fast8_t size_words,
+ const uint32_t *remPtr,
+ uint_fast8_t dist,
+ const uint32_t *bPtr,
+ uint32_t q,
+ uint32_t *zPtr
+ )
+{
+ unsigned int index, lastIndex;
+ uint64_t dwordProd;
+ uint32_t wordRem, wordShiftedRem, wordProd;
+ uint_fast8_t uNegDist, borrow;
+
+ index = indexWordLo( size_words );
+ lastIndex = indexWordHi( size_words );
+ dwordProd = (uint64_t) bPtr[index] * q;
+ wordRem = remPtr[index];
+ wordShiftedRem = wordRem<<dist;
+ wordProd = dwordProd;
+ zPtr[index] = wordShiftedRem - wordProd;
+ if ( index != lastIndex ) {
+ uNegDist = -dist;
+ borrow = (wordShiftedRem < wordProd);
+ for (;;) {
+ wordShiftedRem = wordRem>>(uNegDist & 31);
+ index += wordIncr;
+ dwordProd = (uint64_t) bPtr[index] * q + (dwordProd>>32);
+ wordRem = remPtr[index];
+ wordShiftedRem |= wordRem<<dist;
+ wordProd = dwordProd;
+ zPtr[index] = wordShiftedRem - wordProd - borrow;
+ if ( index == lastIndex ) break;
+ borrow =
+ borrow ? (wordShiftedRem <= wordProd)
+ : (wordShiftedRem < wordProd);
+ }
+ }
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_roundMToI64.c b/ext/softfloat/s_roundMToI64.c
new file mode 100644
index 0000000..56cfb86
--- /dev/null
+++ b/ext/softfloat/s_roundMToI64.c
@@ -0,0 +1,89 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast64_t
+ softfloat_roundMToI64(
+ bool sign, uint32_t *extSigPtr, uint_fast8_t roundingMode, bool exact )
+{
+ bool roundNearEven;
+ uint32_t sigExtra;
+ bool doIncrement;
+ uint64_t sig;
+ union { uint64_t ui; int64_t i; } uZ;
+ int64_t z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ sigExtra = extSigPtr[indexWordLo( 3 )];
+ doIncrement = (0x80000000 <= sigExtra);
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ sig =
+ (uint64_t) extSigPtr[indexWord( 3, 2 )]<<32
+ | extSigPtr[indexWord( 3, 1 )];
+ if ( doIncrement ) {
+ ++sig;
+ if ( ! sig ) goto invalid;
+ if ( ! (sigExtra & 0x7FFFFFFF) && roundNearEven ) sig &= ~1;
+ }
+ uZ.ui = sign ? -sig : sig;
+ z = uZ.i;
+ if ( z && ((z < 0) ^ sign) ) goto invalid;
+ if ( exact && sigExtra ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return z;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return sign ? i64_fromNegOverflow : i64_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/s_roundMToUI64.c b/ext/softfloat/s_roundMToUI64.c
new file mode 100644
index 0000000..4867eb0
--- /dev/null
+++ b/ext/softfloat/s_roundMToUI64.c
@@ -0,0 +1,85 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast64_t
+ softfloat_roundMToUI64(
+ bool sign, uint32_t *extSigPtr, uint_fast8_t roundingMode, bool exact )
+{
+ bool roundNearEven;
+ uint32_t sigExtra;
+ bool doIncrement;
+ uint64_t sig;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ sigExtra = extSigPtr[indexWordLo( 3 )];
+ doIncrement = (0x80000000 <= sigExtra);
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ sig =
+ (uint64_t) extSigPtr[indexWord( 3, 2 )]<<32
+ | extSigPtr[indexWord( 3, 1 )];
+ if ( doIncrement ) {
+ ++sig;
+ if ( ! sig ) goto invalid;
+ if ( ! (sigExtra & 0x7FFFFFFF) && roundNearEven ) sig &= ~1;
+ }
+ if ( sign && sig ) goto invalid;
+ if ( exact && sigExtra ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return sig;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return sign ? ui64_fromNegOverflow : ui64_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/s_roundPackMToI64.c b/ext/softfloat/s_roundPackMToI64.c
new file mode 100644
index 0000000..e714608
--- /dev/null
+++ b/ext/softfloat/s_roundPackMToI64.c
@@ -0,0 +1,89 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3a+, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast64_t
+ softfloat_roundPackMToI64(
+ bool sign, uint32_t *extSigPtr, uint_fast8_t roundingMode, bool exact )
+{
+ bool roundNearEven;
+ uint32_t sigExtra;
+ bool doIncrement;
+ uint64_t sig;
+ union { uint64_t ui; int64_t i; } uZ;
+ int64_t z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ sigExtra = extSigPtr[indexWordLo( 3 )];
+ doIncrement = (0x80000000 <= sigExtra);
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ sig =
+ (uint64_t) extSigPtr[indexWord( 3, 2 )]<<32
+ | extSigPtr[indexWord( 3, 1 )];
+ if ( doIncrement ) {
+ ++sig;
+ if ( ! sig ) goto invalid;
+ if ( ! (sigExtra & 0x7FFFFFFF) && roundNearEven ) sig &= ~1;
+ }
+ uZ.ui = sign ? -sig : sig;
+ z = uZ.i;
+ if ( z && ((z < 0) ^ sign) ) goto invalid;
+ if ( exact && sigExtra ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return z;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return sign ? i64_fromNegOverflow : i64_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/s_roundPackMToUI64.c b/ext/softfloat/s_roundPackMToUI64.c
new file mode 100644
index 0000000..d86db18
--- /dev/null
+++ b/ext/softfloat/s_roundPackMToUI64.c
@@ -0,0 +1,85 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3a+, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast64_t
+ softfloat_roundPackMToUI64(
+ bool sign, uint32_t *extSigPtr, uint_fast8_t roundingMode, bool exact )
+{
+ bool roundNearEven;
+ uint32_t sigExtra;
+ bool doIncrement;
+ uint64_t sig;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ sigExtra = extSigPtr[indexWordLo( 3 )];
+ doIncrement = (0x80000000 <= sigExtra);
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ sig =
+ (uint64_t) extSigPtr[indexWord( 3, 2 )]<<32
+ | extSigPtr[indexWord( 3, 1 )];
+ if ( doIncrement ) {
+ ++sig;
+ if ( ! sig ) goto invalid;
+ if ( ! (sigExtra & 0x7FFFFFFF) && roundNearEven ) sig &= ~1;
+ }
+ if ( sign && sig ) goto invalid;
+ if ( exact && sigExtra ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return sig;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return sign ? ui64_fromNegOverflow : ui64_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/s_roundPackToF128.c b/ext/softfloat/s_roundPackToF128.c
new file mode 100644
index 0000000..e96f5e4
--- /dev/null
+++ b/ext/softfloat/s_roundPackToF128.c
@@ -0,0 +1,172 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2017 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float128_t
+ softfloat_roundPackToF128(
+ bool sign,
+ int_fast32_t exp,
+ uint_fast64_t sig64,
+ uint_fast64_t sig0,
+ uint_fast64_t sigExtra
+ )
+{
+ uint_fast8_t roundingMode;
+ bool roundNearEven, doIncrement, isTiny;
+ struct uint128_extra sig128Extra;
+ uint_fast64_t uiZ64, uiZ0;
+ struct uint128 sig128;
+ union ui128_f128 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundingMode = softfloat_roundingMode;
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ doIncrement = (UINT64_C( 0x8000000000000000 ) <= sigExtra);
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0x7FFD <= (uint32_t) exp ) {
+ if ( exp < 0 ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ isTiny =
+ (softfloat_detectTininess
+ == softfloat_tininess_beforeRounding)
+ || (exp < -1)
+ || ! doIncrement
+ || softfloat_lt128(
+ sig64,
+ sig0,
+ UINT64_C( 0x0001FFFFFFFFFFFF ),
+ UINT64_C( 0xFFFFFFFFFFFFFFFF )
+ );
+ sig128Extra =
+ softfloat_shiftRightJam128Extra( sig64, sig0, sigExtra, -exp );
+ sig64 = sig128Extra.v.v64;
+ sig0 = sig128Extra.v.v0;
+ sigExtra = sig128Extra.extra;
+ exp = 0;
+ if ( isTiny && sigExtra ) {
+ softfloat_raiseFlags( softfloat_flag_underflow );
+ }
+ doIncrement = (UINT64_C( 0x8000000000000000 ) <= sigExtra);
+ if (
+ ! roundNearEven
+ && (roundingMode != softfloat_round_near_maxMag)
+ ) {
+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ } else if (
+ (0x7FFD < exp)
+ || ((exp == 0x7FFD)
+ && softfloat_eq128(
+ sig64,
+ sig0,
+ UINT64_C( 0x0001FFFFFFFFFFFF ),
+ UINT64_C( 0xFFFFFFFFFFFFFFFF )
+ )
+ && doIncrement)
+ ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ softfloat_raiseFlags(
+ softfloat_flag_overflow | softfloat_flag_inexact );
+ if (
+ roundNearEven
+ || (roundingMode == softfloat_round_near_maxMag)
+ || (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ) {
+ uiZ64 = packToF128UI64( sign, 0x7FFF, 0 );
+ uiZ0 = 0;
+ } else {
+ uiZ64 =
+ packToF128UI64(
+ sign, 0x7FFE, UINT64_C( 0x0000FFFFFFFFFFFF ) );
+ uiZ0 = UINT64_C( 0xFFFFFFFFFFFFFFFF );
+ }
+ goto uiZ;
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( sigExtra ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {
+ sig0 |= 1;
+ goto packReturn;
+ }
+#endif
+ }
+ if ( doIncrement ) {
+ sig128 = softfloat_add128( sig64, sig0, 0, 1 );
+ sig64 = sig128.v64;
+ sig0 =
+ sig128.v0
+ & ~(uint64_t)
+ (! (sigExtra & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ & roundNearEven);
+ } else {
+ if ( ! (sig64 | sig0) ) exp = 0;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ packReturn:
+ uiZ64 = packToF128UI64( sign, exp, sig64 );
+ uiZ0 = sig0;
+ uiZ:
+ uZ.ui.v64 = uiZ64;
+ uZ.ui.v0 = uiZ0;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_roundPackToF16.c b/ext/softfloat/s_roundPackToF16.c
new file mode 100644
index 0000000..bfc3ff8
--- /dev/null
+++ b/ext/softfloat/s_roundPackToF16.c
@@ -0,0 +1,114 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2017 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float16_t
+ softfloat_roundPackToF16( bool sign, int_fast16_t exp, uint_fast16_t sig )
+{
+ uint_fast8_t roundingMode;
+ bool roundNearEven;
+ uint_fast8_t roundIncrement, roundBits;
+ bool isTiny;
+ uint_fast16_t uiZ;
+ union ui16_f16 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundingMode = softfloat_roundingMode;
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ roundIncrement = 0x8;
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ roundIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ? 0xF
+ : 0;
+ }
+ roundBits = sig & 0xF;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0x1D <= (unsigned int) exp ) {
+ if ( exp < 0 ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ isTiny =
+ (softfloat_detectTininess == softfloat_tininess_beforeRounding)
+ || (exp < -1) || (sig + roundIncrement < 0x8000);
+ sig = softfloat_shiftRightJam32( sig, -exp );
+ exp = 0;
+ roundBits = sig & 0xF;
+ if ( isTiny && roundBits ) {
+ softfloat_raiseFlags( softfloat_flag_underflow );
+ }
+ } else if ( (0x1D < exp) || (0x8000 <= sig + roundIncrement) ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ softfloat_raiseFlags(
+ softfloat_flag_overflow | softfloat_flag_inexact );
+ uiZ = packToF16UI( sign, 0x1F, 0 ) - ! roundIncrement;
+ goto uiZ;
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig = (sig + roundIncrement)>>4;
+ if ( roundBits ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {
+ sig |= 1;
+ goto packReturn;
+ }
+#endif
+ }
+ sig &= ~(uint_fast16_t) (! (roundBits ^ 8) & roundNearEven);
+ if ( ! sig ) exp = 0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ packReturn:
+ uiZ = packToF16UI( sign, exp, sig );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_roundPackToF32.c b/ext/softfloat/s_roundPackToF32.c
new file mode 100644
index 0000000..1f72892
--- /dev/null
+++ b/ext/softfloat/s_roundPackToF32.c
@@ -0,0 +1,114 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2017 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float32_t
+ softfloat_roundPackToF32( bool sign, int_fast16_t exp, uint_fast32_t sig )
+{
+ uint_fast8_t roundingMode;
+ bool roundNearEven;
+ uint_fast8_t roundIncrement, roundBits;
+ bool isTiny;
+ uint_fast32_t uiZ;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundingMode = softfloat_roundingMode;
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ roundIncrement = 0x40;
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ roundIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ? 0x7F
+ : 0;
+ }
+ roundBits = sig & 0x7F;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0xFD <= (unsigned int) exp ) {
+ if ( exp < 0 ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ isTiny =
+ (softfloat_detectTininess == softfloat_tininess_beforeRounding)
+ || (exp < -1) || (sig + roundIncrement < 0x80000000);
+ sig = softfloat_shiftRightJam32( sig, -exp );
+ exp = 0;
+ roundBits = sig & 0x7F;
+ if ( isTiny && roundBits ) {
+ softfloat_raiseFlags( softfloat_flag_underflow );
+ }
+ } else if ( (0xFD < exp) || (0x80000000 <= sig + roundIncrement) ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ softfloat_raiseFlags(
+ softfloat_flag_overflow | softfloat_flag_inexact );
+ uiZ = packToF32UI( sign, 0xFF, 0 ) - ! roundIncrement;
+ goto uiZ;
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig = (sig + roundIncrement)>>7;
+ if ( roundBits ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {
+ sig |= 1;
+ goto packReturn;
+ }
+#endif
+ }
+ sig &= ~(uint_fast32_t) (! (roundBits ^ 0x40) & roundNearEven);
+ if ( ! sig ) exp = 0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ packReturn:
+ uiZ = packToF32UI( sign, exp, sig );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_roundPackToF64.c b/ext/softfloat/s_roundPackToF64.c
new file mode 100644
index 0000000..8a124d2
--- /dev/null
+++ b/ext/softfloat/s_roundPackToF64.c
@@ -0,0 +1,118 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2017 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float64_t
+ softfloat_roundPackToF64( bool sign, int_fast16_t exp, uint_fast64_t sig )
+{
+ uint_fast8_t roundingMode;
+ bool roundNearEven;
+ uint_fast16_t roundIncrement, roundBits;
+ bool isTiny;
+ uint_fast64_t uiZ;
+ union ui64_f64 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundingMode = softfloat_roundingMode;
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ roundIncrement = 0x200;
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ roundIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ? 0x3FF
+ : 0;
+ }
+ roundBits = sig & 0x3FF;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0x7FD <= (uint16_t) exp ) {
+ if ( exp < 0 ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ isTiny =
+ (softfloat_detectTininess == softfloat_tininess_beforeRounding)
+ || (exp < -1)
+ || (sig + roundIncrement < UINT64_C( 0x8000000000000000 ));
+ sig = softfloat_shiftRightJam64( sig, -exp );
+ exp = 0;
+ roundBits = sig & 0x3FF;
+ if ( isTiny && roundBits ) {
+ softfloat_raiseFlags( softfloat_flag_underflow );
+ }
+ } else if (
+ (0x7FD < exp)
+ || (UINT64_C( 0x8000000000000000 ) <= sig + roundIncrement)
+ ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ softfloat_raiseFlags(
+ softfloat_flag_overflow | softfloat_flag_inexact );
+ uiZ = packToF64UI( sign, 0x7FF, 0 ) - ! roundIncrement;
+ goto uiZ;
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig = (sig + roundIncrement)>>10;
+ if ( roundBits ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {
+ sig |= 1;
+ goto packReturn;
+ }
+#endif
+ }
+ sig &= ~(uint_fast64_t) (! (roundBits ^ 0x200) & roundNearEven);
+ if ( ! sig ) exp = 0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ packReturn:
+ uiZ = packToF64UI( sign, exp, sig );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_roundPackToI32.c b/ext/softfloat/s_roundPackToI32.c
new file mode 100644
index 0000000..fee5c5b
--- /dev/null
+++ b/ext/softfloat/s_roundPackToI32.c
@@ -0,0 +1,85 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3a+, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast32_t
+ softfloat_roundPackToI32(
+ bool sign, uint_fast64_t sig, uint_fast8_t roundingMode, bool exact )
+{
+ bool roundNearEven;
+ uint_fast8_t roundIncrement, roundBits;
+ uint_fast32_t sig32;
+ union { uint32_t ui; int32_t i; } uZ;
+ int_fast32_t z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ roundIncrement = 0x40;
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ roundIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ? 0x7F
+ : 0;
+ }
+ roundBits = sig & 0x7F;
+ sig += roundIncrement;
+ if ( sig & UINT64_C( 0xFFFFFF8000000000 ) ) goto invalid;
+ sig32 = sig>>7;
+ sig32 &= ~(uint_fast32_t) (! (roundBits ^ 0x40) & roundNearEven);
+ uZ.ui = sign ? -sig32 : sig32;
+ z = uZ.i;
+ if ( z && ((z < 0) ^ sign) ) goto invalid;
+ if ( exact && roundBits ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return z;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return sign ? i32_fromNegOverflow : i32_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/s_roundPackToI64.c b/ext/softfloat/s_roundPackToI64.c
new file mode 100644
index 0000000..ea44bd9
--- /dev/null
+++ b/ext/softfloat/s_roundPackToI64.c
@@ -0,0 +1,90 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3a+, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast64_t
+ softfloat_roundPackToI64(
+ bool sign,
+ uint_fast64_t sig,
+ uint_fast64_t sigExtra,
+ uint_fast8_t roundingMode,
+ bool exact
+ )
+{
+ bool roundNearEven, doIncrement;
+ union { uint64_t ui; int64_t i; } uZ;
+ int_fast64_t z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ doIncrement = (UINT64_C( 0x8000000000000000 ) <= sigExtra);
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ if ( doIncrement ) {
+ ++sig;
+ if ( ! sig ) goto invalid;
+ sig &=
+ ~(uint_fast64_t)
+ (! (sigExtra & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ & roundNearEven);
+ }
+ uZ.ui = sign ? -sig : sig;
+ z = uZ.i;
+ if ( z && ((z < 0) ^ sign) ) goto invalid;
+ if ( exact && sigExtra ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return z;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return sign ? i64_fromNegOverflow : i64_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/s_roundPackToUI32.c b/ext/softfloat/s_roundPackToUI32.c
new file mode 100644
index 0000000..d86225e
--- /dev/null
+++ b/ext/softfloat/s_roundPackToUI32.c
@@ -0,0 +1,81 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3a+, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast32_t
+ softfloat_roundPackToUI32(
+ bool sign, uint_fast64_t sig, uint_fast8_t roundingMode, bool exact )
+{
+ bool roundNearEven;
+ uint_fast8_t roundIncrement, roundBits;
+ uint_fast32_t z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ roundIncrement = 0x40;
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ roundIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ? 0x7F
+ : 0;
+ }
+ roundBits = sig & 0x7F;
+ sig += roundIncrement;
+ if ( sig & UINT64_C( 0xFFFFFF8000000000 ) ) goto invalid;
+ z = sig>>7;
+ z &= ~(uint_fast32_t) (! (roundBits ^ 0x40) & roundNearEven);
+ if ( sign && z ) goto invalid;
+ if ( exact && roundBits ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return z;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return sign ? ui32_fromNegOverflow : ui32_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/s_roundPackToUI64.c b/ext/softfloat/s_roundPackToUI64.c
new file mode 100644
index 0000000..8a57720
--- /dev/null
+++ b/ext/softfloat/s_roundPackToUI64.c
@@ -0,0 +1,86 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3a+, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast64_t
+ softfloat_roundPackToUI64(
+ bool sign,
+ uint_fast64_t sig,
+ uint_fast64_t sigExtra,
+ uint_fast8_t roundingMode,
+ bool exact
+ )
+{
+ bool roundNearEven, doIncrement;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ doIncrement = (UINT64_C( 0x8000000000000000 ) <= sigExtra);
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ if ( doIncrement ) {
+ ++sig;
+ if ( ! sig ) goto invalid;
+ sig &=
+ ~(uint_fast64_t)
+ (! (sigExtra & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ & roundNearEven);
+ }
+ if ( sign && sig ) goto invalid;
+ if ( exact && sigExtra ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return sig;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return sign ? ui64_fromNegOverflow : ui64_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/s_roundToI32.c b/ext/softfloat/s_roundToI32.c
new file mode 100644
index 0000000..fe0c661
--- /dev/null
+++ b/ext/softfloat/s_roundToI32.c
@@ -0,0 +1,85 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast32_t
+ softfloat_roundToI32(
+ bool sign, uint_fast64_t sig, uint_fast8_t roundingMode, bool exact )
+{
+ bool roundNearEven;
+ uint_fast16_t roundIncrement, roundBits;
+ uint_fast32_t sig32;
+ union { uint32_t ui; int32_t i; } uZ;
+ int_fast32_t z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ roundIncrement = 0x800;
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ roundIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ? 0xFFF
+ : 0;
+ }
+ roundBits = sig & 0xFFF;
+ sig += roundIncrement;
+ if ( sig & UINT64_C( 0xFFFFF00000000000 ) ) goto invalid;
+ sig32 = sig>>12;
+ sig32 &= ~(uint_fast32_t) (! (roundBits ^ 0x800) & roundNearEven);
+ uZ.ui = sign ? -sig32 : sig32;
+ z = uZ.i;
+ if ( z && ((z < 0) ^ sign) ) goto invalid;
+ if ( exact && roundBits ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return z;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return sign ? i32_fromNegOverflow : i32_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/s_roundToI64.c b/ext/softfloat/s_roundToI64.c
new file mode 100644
index 0000000..2ad2448
--- /dev/null
+++ b/ext/softfloat/s_roundToI64.c
@@ -0,0 +1,90 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+int_fast64_t
+ softfloat_roundToI64(
+ bool sign,
+ uint_fast64_t sig,
+ uint_fast64_t sigExtra,
+ uint_fast8_t roundingMode,
+ bool exact
+ )
+{
+ bool roundNearEven, doIncrement;
+ union { uint64_t ui; int64_t i; } uZ;
+ int_fast64_t z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ doIncrement = (UINT64_C( 0x8000000000000000 ) <= sigExtra);
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ if ( doIncrement ) {
+ ++sig;
+ if ( ! sig ) goto invalid;
+ sig &=
+ ~(uint_fast64_t)
+ (! (sigExtra & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ & roundNearEven);
+ }
+ uZ.ui = sign ? -sig : sig;
+ z = uZ.i;
+ if ( z && ((z < 0) ^ sign) ) goto invalid;
+ if ( exact && sigExtra ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return z;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return sign ? i64_fromNegOverflow : i64_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/s_roundToUI32.c b/ext/softfloat/s_roundToUI32.c
new file mode 100644
index 0000000..aaa529c
--- /dev/null
+++ b/ext/softfloat/s_roundToUI32.c
@@ -0,0 +1,81 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast32_t
+ softfloat_roundToUI32(
+ bool sign, uint_fast64_t sig, uint_fast8_t roundingMode, bool exact )
+{
+ bool roundNearEven;
+ uint_fast16_t roundIncrement, roundBits;
+ uint_fast32_t z;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ roundIncrement = 0x800;
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ roundIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ? 0xFFF
+ : 0;
+ }
+ roundBits = sig & 0xFFF;
+ sig += roundIncrement;
+ if ( sig & UINT64_C( 0xFFFFF00000000000 ) ) goto invalid;
+ z = sig>>12;
+ z &= ~(uint_fast32_t) (! (roundBits ^ 0x800) & roundNearEven);
+ if ( sign && z ) goto invalid;
+ if ( exact && roundBits ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return z;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return sign ? ui32_fromNegOverflow : ui32_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/s_roundToUI64.c b/ext/softfloat/s_roundToUI64.c
new file mode 100644
index 0000000..1bdffd5
--- /dev/null
+++ b/ext/softfloat/s_roundToUI64.c
@@ -0,0 +1,86 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+uint_fast64_t
+ softfloat_roundToUI64(
+ bool sign,
+ uint_fast64_t sig,
+ uint_fast64_t sigExtra,
+ uint_fast8_t roundingMode,
+ bool exact
+ )
+{
+ bool roundNearEven, doIncrement;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ doIncrement = (UINT64_C( 0x8000000000000000 ) <= sigExtra);
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ if ( doIncrement ) {
+ ++sig;
+ if ( ! sig ) goto invalid;
+ sig &=
+ ~(uint_fast64_t)
+ (! (sigExtra & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ & roundNearEven);
+ }
+ if ( sign && sig ) goto invalid;
+ if ( exact && sigExtra ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ }
+ return sig;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ invalid:
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ return sign ? ui64_fromNegOverflow : ui64_fromPosOverflow;
+
+}
+
diff --git a/ext/softfloat/s_shiftRightJam128.c b/ext/softfloat/s_shiftRightJam128.c
new file mode 100644
index 0000000..6e251ff
--- /dev/null
+++ b/ext/softfloat/s_shiftRightJam128.c
@@ -0,0 +1,70 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_shiftRightJam128
+
+struct uint128
+ softfloat_shiftRightJam128( uint64_t a64, uint64_t a0, uint_fast32_t dist )
+{
+ uint_fast8_t u8NegDist;
+ struct uint128 z;
+
+ if ( dist < 64 ) {
+ u8NegDist = -dist;
+ z.v64 = a64>>dist;
+ z.v0 =
+ a64<<(u8NegDist & 63) | a0>>dist
+ | ((uint64_t) (a0<<(u8NegDist & 63)) != 0);
+ } else {
+ z.v64 = 0;
+ z.v0 =
+ (dist < 127)
+ ? a64>>(dist & 63)
+ | (((a64 & (((uint_fast64_t) 1<<(dist & 63)) - 1)) | a0)
+ != 0)
+ : ((a64 | a0) != 0);
+ }
+ return z;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shiftRightJam128Extra.c b/ext/softfloat/s_shiftRightJam128Extra.c
new file mode 100644
index 0000000..f481268
--- /dev/null
+++ b/ext/softfloat/s_shiftRightJam128Extra.c
@@ -0,0 +1,78 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_shiftRightJam128Extra
+
+struct uint128_extra
+ softfloat_shiftRightJam128Extra(
+ uint64_t a64, uint64_t a0, uint64_t extra, uint_fast32_t dist )
+{
+ uint_fast8_t u8NegDist;
+ struct uint128_extra z;
+
+ u8NegDist = -dist;
+ if ( dist < 64 ) {
+ z.v.v64 = a64>>dist;
+ z.v.v0 = a64<<(u8NegDist & 63) | a0>>dist;
+ z.extra = a0<<(u8NegDist & 63);
+ } else {
+ z.v.v64 = 0;
+ if ( dist == 64 ) {
+ z.v.v0 = a64;
+ z.extra = a0;
+ } else {
+ extra |= a0;
+ if ( dist < 128 ) {
+ z.v.v0 = a64>>(dist & 63);
+ z.extra = a64<<(u8NegDist & 63);
+ } else {
+ z.v.v0 = 0;
+ z.extra = (dist == 128) ? a64 : (a64 != 0);
+ }
+ }
+ }
+ z.extra |= (extra != 0);
+ return z;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shiftRightJam256M.c b/ext/softfloat/s_shiftRightJam256M.c
new file mode 100644
index 0000000..97845e4
--- /dev/null
+++ b/ext/softfloat/s_shiftRightJam256M.c
@@ -0,0 +1,127 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_shiftRightJam256M
+
+static
+ void
+ softfloat_shortShiftRightJamM(
+ uint_fast8_t size_words,
+ const uint64_t *aPtr,
+ uint_fast8_t dist,
+ uint64_t *zPtr
+ )
+{
+ uint_fast8_t uNegDist;
+ unsigned int index, lastIndex;
+ uint64_t partWordZ, wordA;
+
+ uNegDist = -dist;
+ index = indexWordLo( size_words );
+ lastIndex = indexWordHi( size_words );
+ wordA = aPtr[index];
+ partWordZ = wordA>>dist;
+ if ( partWordZ<<dist != wordA ) partWordZ |= 1;
+ while ( index != lastIndex ) {
+ wordA = aPtr[index + wordIncr];
+ zPtr[index] = wordA<<(uNegDist & 63) | partWordZ;
+ index += wordIncr;
+ partWordZ = wordA>>dist;
+ }
+ zPtr[index] = partWordZ;
+
+}
+
+void
+ softfloat_shiftRightJam256M(
+ const uint64_t *aPtr, uint_fast32_t dist, uint64_t *zPtr )
+{
+ uint64_t wordJam;
+ uint_fast32_t wordDist;
+ uint64_t *ptr;
+ uint_fast8_t i, innerDist;
+
+ wordJam = 0;
+ wordDist = dist>>6;
+ if ( wordDist ) {
+ if ( 4 < wordDist ) wordDist = 4;
+ ptr = (uint64_t *) (aPtr + indexMultiwordLo( 4, wordDist ));
+ i = wordDist;
+ do {
+ wordJam = *ptr++;
+ if ( wordJam ) break;
+ --i;
+ } while ( i );
+ ptr = zPtr;
+ }
+ if ( wordDist < 4 ) {
+ aPtr += indexMultiwordHiBut( 4, wordDist );
+ innerDist = dist & 63;
+ if ( innerDist ) {
+ softfloat_shortShiftRightJamM(
+ 4 - wordDist,
+ aPtr,
+ innerDist,
+ zPtr + indexMultiwordLoBut( 4, wordDist )
+ );
+ if ( ! wordDist ) goto wordJam;
+ } else {
+ aPtr += indexWordLo( 4 - wordDist );
+ ptr = zPtr + indexWordLo( 4 );
+ for ( i = 4 - wordDist; i; --i ) {
+ *ptr = *aPtr;
+ aPtr += wordIncr;
+ ptr += wordIncr;
+ }
+ }
+ ptr = zPtr + indexMultiwordHi( 4, wordDist );
+ }
+ do {
+ *ptr++ = 0;
+ --wordDist;
+ } while ( wordDist );
+ wordJam:
+ if ( wordJam ) zPtr[indexWordLo( 4 )] |= 1;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shiftRightJam32.c b/ext/softfloat/s_shiftRightJam32.c
new file mode 100644
index 0000000..dda9c0e
--- /dev/null
+++ b/ext/softfloat/s_shiftRightJam32.c
@@ -0,0 +1,52 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+
+#ifndef softfloat_shiftRightJam32
+
+uint32_t softfloat_shiftRightJam32( uint32_t a, uint_fast16_t dist )
+{
+
+ return
+ (dist < 31) ? a>>dist | ((uint32_t) (a<<(-dist & 31)) != 0) : (a != 0);
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shiftRightJam64.c b/ext/softfloat/s_shiftRightJam64.c
new file mode 100644
index 0000000..e2d3ec9
--- /dev/null
+++ b/ext/softfloat/s_shiftRightJam64.c
@@ -0,0 +1,52 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+
+#ifndef softfloat_shiftRightJam64
+
+uint64_t softfloat_shiftRightJam64( uint64_t a, uint_fast32_t dist )
+{
+
+ return
+ (dist < 63) ? a>>dist | ((uint64_t) (a<<(-dist & 63)) != 0) : (a != 0);
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shiftRightJam64Extra.c b/ext/softfloat/s_shiftRightJam64Extra.c
new file mode 100644
index 0000000..eeaff03
--- /dev/null
+++ b/ext/softfloat/s_shiftRightJam64Extra.c
@@ -0,0 +1,63 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_shiftRightJam64Extra
+
+struct uint64_extra
+ softfloat_shiftRightJam64Extra(
+ uint64_t a, uint64_t extra, uint_fast32_t dist )
+{
+ struct uint64_extra z;
+
+ if ( dist < 64 ) {
+ z.v = a>>dist;
+ z.extra = a<<(-dist & 63);
+ } else {
+ z.v = 0;
+ z.extra = (dist == 64) ? a : (a != 0);
+ }
+ z.extra |= (extra != 0);
+ return z;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shortShiftLeft128.c b/ext/softfloat/s_shortShiftLeft128.c
new file mode 100644
index 0000000..8bcbd7b
--- /dev/null
+++ b/ext/softfloat/s_shortShiftLeft128.c
@@ -0,0 +1,56 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_shortShiftLeft128
+
+struct uint128
+ softfloat_shortShiftLeft128( uint64_t a64, uint64_t a0, uint_fast8_t dist )
+{
+ struct uint128 z;
+
+ z.v64 = a64<<dist | a0>>(-dist & 63);
+ z.v0 = a0<<dist;
+ return z;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shortShiftLeft64To96M.c b/ext/softfloat/s_shortShiftLeft64To96M.c
new file mode 100644
index 0000000..1b69f6c
--- /dev/null
+++ b/ext/softfloat/s_shortShiftLeft64To96M.c
@@ -0,0 +1,57 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_shortShiftLeft64To96M
+
+void
+ softfloat_shortShiftLeft64To96M(
+ uint64_t a, uint_fast8_t dist, uint32_t *zPtr )
+{
+
+ zPtr[indexWord( 3, 0 )] = (uint32_t) a<<dist;
+ a >>= 32 - dist;
+ zPtr[indexWord( 3, 2 )] = a>>32;
+ zPtr[indexWord( 3, 1 )] = a;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shortShiftRight128.c b/ext/softfloat/s_shortShiftRight128.c
new file mode 100644
index 0000000..43be9cf
--- /dev/null
+++ b/ext/softfloat/s_shortShiftRight128.c
@@ -0,0 +1,56 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_shortShiftRight128
+
+struct uint128
+ softfloat_shortShiftRight128( uint64_t a64, uint64_t a0, uint_fast8_t dist )
+{
+ struct uint128 z;
+
+ z.v64 = a64>>dist;
+ z.v0 = a64<<(-dist & 63) | a0>>dist;
+ return z;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shortShiftRightExtendM.c b/ext/softfloat/s_shortShiftRightExtendM.c
new file mode 100644
index 0000000..30f64a4
--- /dev/null
+++ b/ext/softfloat/s_shortShiftRightExtendM.c
@@ -0,0 +1,74 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_shortShiftRightExtendM
+
+void
+ softfloat_shortShiftRightExtendM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ uint_fast8_t dist,
+ uint32_t *zPtr
+ )
+{
+ uint_fast8_t uNegDist;
+ unsigned int indexA, lastIndexA;
+ uint32_t partWordZ, wordA;
+
+ uNegDist = -dist;
+ indexA = indexWordLo( size_words );
+ lastIndexA = indexWordHi( size_words );
+ zPtr += indexWordLo( size_words + 1 );
+ partWordZ = 0;
+ for (;;) {
+ wordA = aPtr[indexA];
+ *zPtr = wordA<<(uNegDist & 31) | partWordZ;
+ zPtr += wordIncr;
+ partWordZ = wordA>>dist;
+ if ( indexA == lastIndexA ) break;
+ indexA += wordIncr;
+ }
+ *zPtr = partWordZ;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shortShiftRightJam128.c b/ext/softfloat/s_shortShiftRightJam128.c
new file mode 100644
index 0000000..b2e7f96
--- /dev/null
+++ b/ext/softfloat/s_shortShiftRightJam128.c
@@ -0,0 +1,61 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_shortShiftRightJam128
+
+struct uint128
+ softfloat_shortShiftRightJam128(
+ uint64_t a64, uint64_t a0, uint_fast8_t dist )
+{
+ uint_fast8_t uNegDist;
+ struct uint128 z;
+
+ uNegDist = -dist;
+ z.v64 = a64>>dist;
+ z.v0 =
+ a64<<(uNegDist & 63) | a0>>dist
+ | ((uint64_t) (a0<<(uNegDist & 63)) != 0);
+ return z;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shortShiftRightJam128Extra.c b/ext/softfloat/s_shortShiftRightJam128Extra.c
new file mode 100644
index 0000000..44128bf
--- /dev/null
+++ b/ext/softfloat/s_shortShiftRightJam128Extra.c
@@ -0,0 +1,60 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_shortShiftRightJam128Extra
+
+struct uint128_extra
+ softfloat_shortShiftRightJam128Extra(
+ uint64_t a64, uint64_t a0, uint64_t extra, uint_fast8_t dist )
+{
+ uint_fast8_t uNegDist;
+ struct uint128_extra z;
+
+ uNegDist = -dist;
+ z.v.v64 = a64>>dist;
+ z.v.v0 = a64<<(uNegDist & 63) | a0>>dist;
+ z.extra = a0<<(uNegDist & 63) | (extra != 0);
+ return z;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shortShiftRightJam64.c b/ext/softfloat/s_shortShiftRightJam64.c
new file mode 100644
index 0000000..13679e8
--- /dev/null
+++ b/ext/softfloat/s_shortShiftRightJam64.c
@@ -0,0 +1,51 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+
+#ifndef softfloat_shortShiftRightJam64
+
+uint64_t softfloat_shortShiftRightJam64( uint64_t a, uint_fast8_t dist )
+{
+
+ return a>>dist | ((a & (((uint_fast64_t) 1<<dist) - 1)) != 0);
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shortShiftRightJam64Extra.c b/ext/softfloat/s_shortShiftRightJam64Extra.c
new file mode 100644
index 0000000..1f6ffc4
--- /dev/null
+++ b/ext/softfloat/s_shortShiftRightJam64Extra.c
@@ -0,0 +1,57 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_shortShiftRightJam64Extra
+
+struct uint64_extra
+ softfloat_shortShiftRightJam64Extra(
+ uint64_t a, uint64_t extra, uint_fast8_t dist )
+{
+ struct uint64_extra z;
+
+ z.v = a>>dist;
+ z.extra = a<<(-dist & 63) | (extra != 0);
+ return z;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_shortShiftRightM.c b/ext/softfloat/s_shortShiftRightM.c
new file mode 100644
index 0000000..090f5a1
--- /dev/null
+++ b/ext/softfloat/s_shortShiftRightM.c
@@ -0,0 +1,71 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_shortShiftRightM
+
+void
+ softfloat_shortShiftRightM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ uint_fast8_t dist,
+ uint32_t *zPtr
+ )
+{
+ uint_fast8_t uNegDist;
+ unsigned int index, lastIndex;
+ uint32_t partWordZ, wordA;
+
+ uNegDist = -dist;
+ index = indexWordLo( size_words );
+ lastIndex = indexWordHi( size_words );
+ partWordZ = aPtr[index]>>dist;
+ while ( index != lastIndex ) {
+ wordA = aPtr[index + wordIncr];
+ zPtr[index] = wordA<<(uNegDist & 31) | partWordZ;
+ index += wordIncr;
+ partWordZ = wordA>>dist;
+ }
+ zPtr[index] = partWordZ;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_sub128.c b/ext/softfloat/s_sub128.c
new file mode 100644
index 0000000..f3f21d9
--- /dev/null
+++ b/ext/softfloat/s_sub128.c
@@ -0,0 +1,56 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_sub128
+
+struct uint128
+ softfloat_sub128( uint64_t a64, uint64_t a0, uint64_t b64, uint64_t b0 )
+{
+ struct uint128 z;
+
+ z.v0 = a0 - b0;
+ z.v64 = a64 - b64 - (a0 < b0);
+ return z;
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_sub1XM.c b/ext/softfloat/s_sub1XM.c
new file mode 100644
index 0000000..e6d7fa7
--- /dev/null
+++ b/ext/softfloat/s_sub1XM.c
@@ -0,0 +1,61 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_sub1XM
+
+void softfloat_sub1XM( uint_fast8_t size_words, uint32_t *zPtr )
+{
+ unsigned int index, lastIndex;
+ uint32_t wordA;
+
+ index = indexWordLo( size_words );
+ lastIndex = indexWordHi( size_words );
+ for (;;) {
+ wordA = zPtr[index];
+ zPtr[index] = wordA - 1;
+ if ( wordA || (index == lastIndex) ) break;
+ index += wordIncr;
+ }
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_sub256M.c b/ext/softfloat/s_sub256M.c
new file mode 100644
index 0000000..b9c1a95
--- /dev/null
+++ b/ext/softfloat/s_sub256M.c
@@ -0,0 +1,66 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_sub256M
+
+void
+ softfloat_sub256M(
+ const uint64_t *aPtr, const uint64_t *bPtr, uint64_t *zPtr )
+{
+ unsigned int index;
+ uint_fast8_t borrow;
+ uint64_t wordA, wordB;
+
+ index = indexWordLo( 4 );
+ borrow = 0;
+ for (;;) {
+ wordA = aPtr[index];
+ wordB = bPtr[index];
+ zPtr[index] = wordA - wordB - borrow;
+ if ( index == indexWordHi( 4 ) ) break;
+ borrow = borrow ? (wordA <= wordB) : (wordA < wordB);
+ index += wordIncr;
+ }
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_subM.c b/ext/softfloat/s_subM.c
new file mode 100644
index 0000000..4274bd3
--- /dev/null
+++ b/ext/softfloat/s_subM.c
@@ -0,0 +1,71 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "platform.h"
+#include "primitiveTypes.h"
+
+#ifndef softfloat_subM
+
+void
+ softfloat_subM(
+ uint_fast8_t size_words,
+ const uint32_t *aPtr,
+ const uint32_t *bPtr,
+ uint32_t *zPtr
+ )
+{
+ unsigned int index, lastIndex;
+ uint_fast8_t borrow;
+ uint32_t wordA, wordB;
+
+ index = indexWordLo( size_words );
+ lastIndex = indexWordHi( size_words );
+ borrow = 0;
+ for (;;) {
+ wordA = aPtr[index];
+ wordB = bPtr[index];
+ zPtr[index] = wordA - wordB - borrow;
+ if ( index == lastIndex ) break;
+ borrow = borrow ? (wordA <= wordB) : (wordA < wordB);
+ index += wordIncr;
+ }
+
+}
+
+#endif
+
diff --git a/ext/softfloat/s_subMagsF128.c b/ext/softfloat/s_subMagsF128.c
new file mode 100644
index 0000000..ac64f8e
--- /dev/null
+++ b/ext/softfloat/s_subMagsF128.c
@@ -0,0 +1,140 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float128_t
+ softfloat_subMagsF128(
+ uint_fast64_t uiA64,
+ uint_fast64_t uiA0,
+ uint_fast64_t uiB64,
+ uint_fast64_t uiB0,
+ bool signZ
+ )
+{
+ int_fast32_t expA;
+ struct uint128 sigA;
+ int_fast32_t expB;
+ struct uint128 sigB, sigZ;
+ int_fast32_t expDiff, expZ;
+ struct uint128 uiZ;
+ union ui128_f128 uZ;
+
+ expA = expF128UI64( uiA64 );
+ sigA.v64 = fracF128UI64( uiA64 );
+ sigA.v0 = uiA0;
+ expB = expF128UI64( uiB64 );
+ sigB.v64 = fracF128UI64( uiB64 );
+ sigB.v0 = uiB0;
+ sigA = softfloat_shortShiftLeft128( sigA.v64, sigA.v0, 4 );
+ sigB = softfloat_shortShiftLeft128( sigB.v64, sigB.v0, 4 );
+ expDiff = expA - expB;
+ if ( 0 < expDiff ) goto expABigger;
+ if ( expDiff < 0 ) goto expBBigger;
+ if ( expA == 0x7FFF ) {
+ if ( sigA.v64 | sigA.v0 | sigB.v64 | sigB.v0 ) goto propagateNaN;
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ.v64 = defaultNaNF128UI64;
+ uiZ.v0 = defaultNaNF128UI0;
+ goto uiZ;
+ }
+ expZ = expA;
+ if ( ! expZ ) expZ = 1;
+ if ( sigB.v64 < sigA.v64 ) goto aBigger;
+ if ( sigA.v64 < sigB.v64 ) goto bBigger;
+ if ( sigB.v0 < sigA.v0 ) goto aBigger;
+ if ( sigA.v0 < sigB.v0 ) goto bBigger;
+ uiZ.v64 =
+ packToF128UI64(
+ (softfloat_roundingMode == softfloat_round_min), 0, 0 );
+ uiZ.v0 = 0;
+ goto uiZ;
+ expBBigger:
+ if ( expB == 0x7FFF ) {
+ if ( sigB.v64 | sigB.v0 ) goto propagateNaN;
+ uiZ.v64 = packToF128UI64( signZ ^ 1, 0x7FFF, 0 );
+ uiZ.v0 = 0;
+ goto uiZ;
+ }
+ if ( expA ) {
+ sigA.v64 |= UINT64_C( 0x0010000000000000 );
+ } else {
+ ++expDiff;
+ if ( ! expDiff ) goto newlyAlignedBBigger;
+ }
+ sigA = softfloat_shiftRightJam128( sigA.v64, sigA.v0, -expDiff );
+ newlyAlignedBBigger:
+ expZ = expB;
+ sigB.v64 |= UINT64_C( 0x0010000000000000 );
+ bBigger:
+ signZ = ! signZ;
+ sigZ = softfloat_sub128( sigB.v64, sigB.v0, sigA.v64, sigA.v0 );
+ goto normRoundPack;
+ expABigger:
+ if ( expA == 0x7FFF ) {
+ if ( sigA.v64 | sigA.v0 ) goto propagateNaN;
+ uiZ.v64 = uiA64;
+ uiZ.v0 = uiA0;
+ goto uiZ;
+ }
+ if ( expB ) {
+ sigB.v64 |= UINT64_C( 0x0010000000000000 );
+ } else {
+ --expDiff;
+ if ( ! expDiff ) goto newlyAlignedABigger;
+ }
+ sigB = softfloat_shiftRightJam128( sigB.v64, sigB.v0, expDiff );
+ newlyAlignedABigger:
+ expZ = expA;
+ sigA.v64 |= UINT64_C( 0x0010000000000000 );
+ aBigger:
+ sigZ = softfloat_sub128( sigA.v64, sigA.v0, sigB.v64, sigB.v0 );
+ normRoundPack:
+ return softfloat_normRoundPackToF128( signZ, expZ - 5, sigZ.v64, sigZ.v0 );
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF128UI( uiA64, uiA0, uiB64, uiB0 );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_subMagsF16.c b/ext/softfloat/s_subMagsF16.c
new file mode 100644
index 0000000..acdc567
--- /dev/null
+++ b/ext/softfloat/s_subMagsF16.c
@@ -0,0 +1,188 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float16_t softfloat_subMagsF16( uint_fast16_t uiA, uint_fast16_t uiB )
+{
+ int_fast8_t expA;
+ uint_fast16_t sigA;
+ int_fast8_t expB;
+ uint_fast16_t sigB;
+ int_fast8_t expDiff;
+ uint_fast16_t uiZ;
+ int_fast16_t sigDiff;
+ bool signZ;
+ int_fast8_t shiftDist, expZ;
+ uint_fast16_t sigZ, sigX, sigY;
+ uint_fast32_t sig32Z;
+ int_fast8_t roundingMode;
+ union ui16_f16 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expA = expF16UI( uiA );
+ sigA = fracF16UI( uiA );
+ expB = expF16UI( uiB );
+ sigB = fracF16UI( uiB );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expA - expB;
+ if ( ! expDiff ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( expA == 0x1F ) {
+ if ( sigA | sigB ) goto propagateNaN;
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF16UI;
+ goto uiZ;
+ }
+ sigDiff = sigA - sigB;
+ if ( ! sigDiff ) {
+ uiZ =
+ packToF16UI(
+ (softfloat_roundingMode == softfloat_round_min), 0, 0 );
+ goto uiZ;
+ }
+ if ( expA ) --expA;
+ signZ = signF16UI( uiA );
+ if ( sigDiff < 0 ) {
+ signZ = ! signZ;
+ sigDiff = -sigDiff;
+ }
+ shiftDist = softfloat_countLeadingZeros16( sigDiff ) - 5;
+ expZ = expA - shiftDist;
+ if ( expZ < 0 ) {
+ shiftDist = expA;
+ expZ = 0;
+ }
+ sigZ = sigDiff<<shiftDist;
+ goto pack;
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ signZ = signF16UI( uiA );
+ if ( expDiff < 0 ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ signZ = ! signZ;
+ if ( expB == 0x1F ) {
+ if ( sigB ) goto propagateNaN;
+ uiZ = packToF16UI( signZ, 0x1F, 0 );
+ goto uiZ;
+ }
+ if ( expDiff <= -13 ) {
+ uiZ = packToF16UI( signZ, expB, sigB );
+ if ( expA | sigA ) goto subEpsilon;
+ goto uiZ;
+ }
+ expZ = expA + 19;
+ sigX = sigB | 0x0400;
+ sigY = sigA + (expA ? 0x0400 : sigA);
+ expDiff = -expDiff;
+ } else {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ uiZ = uiA;
+ if ( expA == 0x1F ) {
+ if ( sigA ) goto propagateNaN;
+ goto uiZ;
+ }
+ if ( 13 <= expDiff ) {
+ if ( expB | sigB ) goto subEpsilon;
+ goto uiZ;
+ }
+ expZ = expB + 19;
+ sigX = sigA | 0x0400;
+ sigY = sigB + (expB ? 0x0400 : sigB);
+ }
+ sig32Z = ((uint_fast32_t) sigX<<expDiff) - sigY;
+ shiftDist = softfloat_countLeadingZeros32( sig32Z ) - 1;
+ sig32Z <<= shiftDist;
+ expZ -= shiftDist;
+ sigZ = sig32Z>>16;
+ if ( sig32Z & 0xFFFF ) {
+ sigZ |= 1;
+ } else {
+ if ( ! (sigZ & 0xF) && ((unsigned int) expZ < 0x1E) ) {
+ sigZ >>= 4;
+ goto pack;
+ }
+ }
+ return softfloat_roundPackToF16( signZ, expZ, sigZ );
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF16UI( uiA, uiB );
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ subEpsilon:
+ roundingMode = softfloat_roundingMode;
+ if ( roundingMode != softfloat_round_near_even ) {
+ if (
+ (roundingMode == softfloat_round_minMag)
+ || (roundingMode
+ == (signF16UI( uiZ ) ? softfloat_round_max
+ : softfloat_round_min))
+ ) {
+ --uiZ;
+ }
+#ifdef SOFTFLOAT_ROUND_ODD
+ else if ( roundingMode == softfloat_round_odd ) {
+ uiZ = (uiZ - 1) | 1;
+ }
+#endif
+ }
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ pack:
+ uiZ = packToF16UI( signZ, expZ, sigZ );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_subMagsF32.c b/ext/softfloat/s_subMagsF32.c
new file mode 100644
index 0000000..5998902
--- /dev/null
+++ b/ext/softfloat/s_subMagsF32.c
@@ -0,0 +1,144 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float32_t softfloat_subMagsF32( uint_fast32_t uiA, uint_fast32_t uiB )
+{
+ int_fast16_t expA;
+ uint_fast32_t sigA;
+ int_fast16_t expB;
+ uint_fast32_t sigB;
+ int_fast16_t expDiff;
+ uint_fast32_t uiZ;
+ int_fast32_t sigDiff;
+ bool signZ;
+ int_fast8_t shiftDist;
+ int_fast16_t expZ;
+ uint_fast32_t sigX, sigY;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expA = expF32UI( uiA );
+ sigA = fracF32UI( uiA );
+ expB = expF32UI( uiB );
+ sigB = fracF32UI( uiB );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expA - expB;
+ if ( ! expDiff ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( expA == 0xFF ) {
+ if ( sigA | sigB ) goto propagateNaN;
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF32UI;
+ goto uiZ;
+ }
+ sigDiff = sigA - sigB;
+ if ( ! sigDiff ) {
+ uiZ =
+ packToF32UI(
+ (softfloat_roundingMode == softfloat_round_min), 0, 0 );
+ goto uiZ;
+ }
+ if ( expA ) --expA;
+ signZ = signF32UI( uiA );
+ if ( sigDiff < 0 ) {
+ signZ = ! signZ;
+ sigDiff = -sigDiff;
+ }
+ shiftDist = softfloat_countLeadingZeros32( sigDiff ) - 8;
+ expZ = expA - shiftDist;
+ if ( expZ < 0 ) {
+ shiftDist = expA;
+ expZ = 0;
+ }
+ uiZ = packToF32UI( signZ, expZ, sigDiff<<shiftDist );
+ goto uiZ;
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ signZ = signF32UI( uiA );
+ sigA <<= 7;
+ sigB <<= 7;
+ if ( expDiff < 0 ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ signZ = ! signZ;
+ if ( expB == 0xFF ) {
+ if ( sigB ) goto propagateNaN;
+ uiZ = packToF32UI( signZ, 0xFF, 0 );
+ goto uiZ;
+ }
+ expZ = expB - 1;
+ sigX = sigB | 0x40000000;
+ sigY = sigA + (expA ? 0x40000000 : sigA);
+ expDiff = -expDiff;
+ } else {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ if ( expA == 0xFF ) {
+ if ( sigA ) goto propagateNaN;
+ uiZ = uiA;
+ goto uiZ;
+ }
+ expZ = expA - 1;
+ sigX = sigA | 0x40000000;
+ sigY = sigB + (expB ? 0x40000000 : sigB);
+ }
+ return
+ softfloat_normRoundPackToF32(
+ signZ, expZ, sigX - softfloat_shiftRightJam32( sigY, expDiff )
+ );
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF32UI( uiA, uiB );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/s_subMagsF64.c b/ext/softfloat/s_subMagsF64.c
new file mode 100644
index 0000000..e8b9be2
--- /dev/null
+++ b/ext/softfloat/s_subMagsF64.c
@@ -0,0 +1,142 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+float64_t
+ softfloat_subMagsF64( uint_fast64_t uiA, uint_fast64_t uiB, bool signZ )
+{
+ int_fast16_t expA;
+ uint_fast64_t sigA;
+ int_fast16_t expB;
+ uint_fast64_t sigB;
+ int_fast16_t expDiff;
+ uint_fast64_t uiZ;
+ int_fast64_t sigDiff;
+ int_fast8_t shiftDist;
+ int_fast16_t expZ;
+ uint_fast64_t sigZ;
+ union ui64_f64 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expA = expF64UI( uiA );
+ sigA = fracF64UI( uiA );
+ expB = expF64UI( uiB );
+ sigB = fracF64UI( uiB );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expA - expB;
+ if ( ! expDiff ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( expA == 0x7FF ) {
+ if ( sigA | sigB ) goto propagateNaN;
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ = defaultNaNF64UI;
+ goto uiZ;
+ }
+ sigDiff = sigA - sigB;
+ if ( ! sigDiff ) {
+ uiZ =
+ packToF64UI(
+ (softfloat_roundingMode == softfloat_round_min), 0, 0 );
+ goto uiZ;
+ }
+ if ( expA ) --expA;
+ if ( sigDiff < 0 ) {
+ signZ = ! signZ;
+ sigDiff = -sigDiff;
+ }
+ shiftDist = softfloat_countLeadingZeros64( sigDiff ) - 11;
+ expZ = expA - shiftDist;
+ if ( expZ < 0 ) {
+ shiftDist = expA;
+ expZ = 0;
+ }
+ uiZ = packToF64UI( signZ, expZ, sigDiff<<shiftDist );
+ goto uiZ;
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ sigA <<= 10;
+ sigB <<= 10;
+ if ( expDiff < 0 ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ signZ = ! signZ;
+ if ( expB == 0x7FF ) {
+ if ( sigB ) goto propagateNaN;
+ uiZ = packToF64UI( signZ, 0x7FF, 0 );
+ goto uiZ;
+ }
+ sigA += expA ? UINT64_C( 0x4000000000000000 ) : sigA;
+ sigA = softfloat_shiftRightJam64( sigA, -expDiff );
+ sigB |= UINT64_C( 0x4000000000000000 );
+ expZ = expB;
+ sigZ = sigB - sigA;
+ } else {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ if ( expA == 0x7FF ) {
+ if ( sigA ) goto propagateNaN;
+ uiZ = uiA;
+ goto uiZ;
+ }
+ sigB += expB ? UINT64_C( 0x4000000000000000 ) : sigB;
+ sigB = softfloat_shiftRightJam64( sigB, expDiff );
+ sigA |= UINT64_C( 0x4000000000000000 );
+ expZ = expA;
+ sigZ = sigA - sigB;
+ }
+ return softfloat_normRoundPackToF64( signZ, expZ - 1, sigZ );
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF64UI( uiA, uiB );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/softfloat.ac b/ext/softfloat/softfloat.ac
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/ext/softfloat/softfloat.ac
diff --git a/ext/softfloat/softfloat.h b/ext/softfloat/softfloat.h
new file mode 100644
index 0000000..71592ae
--- /dev/null
+++ b/ext/softfloat/softfloat.h
@@ -0,0 +1,384 @@
+
+/*============================================================================
+
+This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+
+/*============================================================================
+| Note: If SoftFloat is made available as a general library for programs to
+| use, it is strongly recommended that a platform-specific version of this
+| header, "softfloat.h", be created that folds in "softfloat_types.h" and that
+| eliminates all dependencies on compile-time macros.
+*============================================================================*/
+
+
+#ifndef softfloat_h
+#define softfloat_h 1
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "softfloat_types.h"
+
+#ifndef THREAD_LOCAL
+#define THREAD_LOCAL
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*----------------------------------------------------------------------------
+| Software floating-point underflow tininess-detection mode.
+*----------------------------------------------------------------------------*/
+extern THREAD_LOCAL uint_fast8_t softfloat_detectTininess;
+enum {
+ softfloat_tininess_beforeRounding = 0,
+ softfloat_tininess_afterRounding = 1
+};
+
+/*----------------------------------------------------------------------------
+| Software floating-point rounding mode. (Mode "odd" is supported only if
+| SoftFloat is compiled with macro 'SOFTFLOAT_ROUND_ODD' defined.)
+*----------------------------------------------------------------------------*/
+extern THREAD_LOCAL uint_fast8_t softfloat_roundingMode;
+enum {
+ softfloat_round_near_even = 0,
+ softfloat_round_minMag = 1,
+ softfloat_round_min = 2,
+ softfloat_round_max = 3,
+ softfloat_round_near_maxMag = 4,
+ softfloat_round_odd = 5
+};
+
+/*----------------------------------------------------------------------------
+| Software floating-point exception flags.
+*----------------------------------------------------------------------------*/
+extern THREAD_LOCAL uint_fast8_t softfloat_exceptionFlags;
+enum {
+ softfloat_flag_inexact = 1,
+ softfloat_flag_underflow = 2,
+ softfloat_flag_overflow = 4,
+ softfloat_flag_infinite = 8,
+ softfloat_flag_invalid = 16
+};
+
+/*----------------------------------------------------------------------------
+| Routine to raise any or all of the software floating-point exception flags.
+*----------------------------------------------------------------------------*/
+void softfloat_raiseFlags( uint_fast8_t );
+
+/*----------------------------------------------------------------------------
+| Integer-to-floating-point conversion routines.
+*----------------------------------------------------------------------------*/
+float16_t ui32_to_f16( uint32_t );
+float32_t ui32_to_f32( uint32_t );
+float64_t ui32_to_f64( uint32_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t ui32_to_extF80( uint32_t );
+float128_t ui32_to_f128( uint32_t );
+#endif
+void ui32_to_extF80M( uint32_t, extFloat80_t * );
+void ui32_to_f128M( uint32_t, float128_t * );
+float16_t ui64_to_f16( uint64_t );
+float32_t ui64_to_f32( uint64_t );
+float64_t ui64_to_f64( uint64_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t ui64_to_extF80( uint64_t );
+float128_t ui64_to_f128( uint64_t );
+#endif
+void ui64_to_extF80M( uint64_t, extFloat80_t * );
+void ui64_to_f128M( uint64_t, float128_t * );
+float16_t i32_to_f16( int32_t );
+float32_t i32_to_f32( int32_t );
+float64_t i32_to_f64( int32_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t i32_to_extF80( int32_t );
+float128_t i32_to_f128( int32_t );
+#endif
+void i32_to_extF80M( int32_t, extFloat80_t * );
+void i32_to_f128M( int32_t, float128_t * );
+float16_t i64_to_f16( int64_t );
+float32_t i64_to_f32( int64_t );
+float64_t i64_to_f64( int64_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t i64_to_extF80( int64_t );
+float128_t i64_to_f128( int64_t );
+#endif
+void i64_to_extF80M( int64_t, extFloat80_t * );
+void i64_to_f128M( int64_t, float128_t * );
+
+/*----------------------------------------------------------------------------
+| 16-bit (half-precision) floating-point operations.
+*----------------------------------------------------------------------------*/
+uint_fast32_t f16_to_ui32( float16_t, uint_fast8_t, bool );
+uint_fast64_t f16_to_ui64( float16_t, uint_fast8_t, bool );
+int_fast32_t f16_to_i32( float16_t, uint_fast8_t, bool );
+int_fast64_t f16_to_i64( float16_t, uint_fast8_t, bool );
+uint_fast32_t f16_to_ui32_r_minMag( float16_t, bool );
+uint_fast64_t f16_to_ui64_r_minMag( float16_t, bool );
+int_fast32_t f16_to_i32_r_minMag( float16_t, bool );
+int_fast64_t f16_to_i64_r_minMag( float16_t, bool );
+float32_t f16_to_f32( float16_t );
+float64_t f16_to_f64( float16_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t f16_to_extF80( float16_t );
+float128_t f16_to_f128( float16_t );
+#endif
+void f16_to_extF80M( float16_t, extFloat80_t * );
+void f16_to_f128M( float16_t, float128_t * );
+float16_t f16_roundToInt( float16_t, uint_fast8_t, bool );
+float16_t f16_add( float16_t, float16_t );
+float16_t f16_sub( float16_t, float16_t );
+float16_t f16_mul( float16_t, float16_t );
+float16_t f16_mulAdd( float16_t, float16_t, float16_t );
+float16_t f16_div( float16_t, float16_t );
+float16_t f16_rem( float16_t, float16_t );
+float16_t f16_sqrt( float16_t );
+bool f16_eq( float16_t, float16_t );
+bool f16_le( float16_t, float16_t );
+bool f16_lt( float16_t, float16_t );
+bool f16_eq_signaling( float16_t, float16_t );
+bool f16_le_quiet( float16_t, float16_t );
+bool f16_lt_quiet( float16_t, float16_t );
+bool f16_isSignalingNaN( float16_t );
+
+/*----------------------------------------------------------------------------
+| 32-bit (single-precision) floating-point operations.
+*----------------------------------------------------------------------------*/
+uint_fast32_t f32_to_ui32( float32_t, uint_fast8_t, bool );
+uint_fast64_t f32_to_ui64( float32_t, uint_fast8_t, bool );
+int_fast32_t f32_to_i32( float32_t, uint_fast8_t, bool );
+int_fast64_t f32_to_i64( float32_t, uint_fast8_t, bool );
+uint_fast32_t f32_to_ui32_r_minMag( float32_t, bool );
+uint_fast64_t f32_to_ui64_r_minMag( float32_t, bool );
+int_fast32_t f32_to_i32_r_minMag( float32_t, bool );
+int_fast64_t f32_to_i64_r_minMag( float32_t, bool );
+float16_t f32_to_f16( float32_t );
+float64_t f32_to_f64( float32_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t f32_to_extF80( float32_t );
+float128_t f32_to_f128( float32_t );
+#endif
+void f32_to_extF80M( float32_t, extFloat80_t * );
+void f32_to_f128M( float32_t, float128_t * );
+float32_t f32_roundToInt( float32_t, uint_fast8_t, bool );
+float32_t f32_add( float32_t, float32_t );
+float32_t f32_sub( float32_t, float32_t );
+float32_t f32_mul( float32_t, float32_t );
+float32_t f32_mulAdd( float32_t, float32_t, float32_t );
+float32_t f32_div( float32_t, float32_t );
+float32_t f32_rem( float32_t, float32_t );
+float32_t f32_sqrt( float32_t );
+bool f32_eq( float32_t, float32_t );
+bool f32_le( float32_t, float32_t );
+bool f32_lt( float32_t, float32_t );
+bool f32_eq_signaling( float32_t, float32_t );
+bool f32_le_quiet( float32_t, float32_t );
+bool f32_lt_quiet( float32_t, float32_t );
+bool f32_isSignalingNaN( float32_t );
+uint_fast16_t f32_classify( float32_t );
+
+/*----------------------------------------------------------------------------
+| 64-bit (double-precision) floating-point operations.
+*----------------------------------------------------------------------------*/
+uint_fast32_t f64_to_ui32( float64_t, uint_fast8_t, bool );
+uint_fast64_t f64_to_ui64( float64_t, uint_fast8_t, bool );
+int_fast32_t f64_to_i32( float64_t, uint_fast8_t, bool );
+int_fast64_t f64_to_i64( float64_t, uint_fast8_t, bool );
+uint_fast32_t f64_to_ui32_r_minMag( float64_t, bool );
+uint_fast64_t f64_to_ui64_r_minMag( float64_t, bool );
+int_fast32_t f64_to_i32_r_minMag( float64_t, bool );
+int_fast64_t f64_to_i64_r_minMag( float64_t, bool );
+float16_t f64_to_f16( float64_t );
+float32_t f64_to_f32( float64_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t f64_to_extF80( float64_t );
+float128_t f64_to_f128( float64_t );
+#endif
+void f64_to_extF80M( float64_t, extFloat80_t * );
+void f64_to_f128M( float64_t, float128_t * );
+float64_t f64_roundToInt( float64_t, uint_fast8_t, bool );
+float64_t f64_add( float64_t, float64_t );
+float64_t f64_sub( float64_t, float64_t );
+float64_t f64_mul( float64_t, float64_t );
+float64_t f64_mulAdd( float64_t, float64_t, float64_t );
+float64_t f64_div( float64_t, float64_t );
+float64_t f64_rem( float64_t, float64_t );
+float64_t f64_sqrt( float64_t );
+bool f64_eq( float64_t, float64_t );
+bool f64_le( float64_t, float64_t );
+bool f64_lt( float64_t, float64_t );
+bool f64_eq_signaling( float64_t, float64_t );
+bool f64_le_quiet( float64_t, float64_t );
+bool f64_lt_quiet( float64_t, float64_t );
+bool f64_isSignalingNaN( float64_t );
+uint_fast16_t f64_classify( float64_t );
+
+/*----------------------------------------------------------------------------
+| Rounding precision for 80-bit extended double-precision floating-point.
+| Valid values are 32, 64, and 80.
+*----------------------------------------------------------------------------*/
+extern THREAD_LOCAL uint_fast8_t extF80_roundingPrecision;
+
+/*----------------------------------------------------------------------------
+| 80-bit extended double-precision floating-point operations.
+*----------------------------------------------------------------------------*/
+#ifdef SOFTFLOAT_FAST_INT64
+uint_fast32_t extF80_to_ui32( extFloat80_t, uint_fast8_t, bool );
+uint_fast64_t extF80_to_ui64( extFloat80_t, uint_fast8_t, bool );
+int_fast32_t extF80_to_i32( extFloat80_t, uint_fast8_t, bool );
+int_fast64_t extF80_to_i64( extFloat80_t, uint_fast8_t, bool );
+uint_fast32_t extF80_to_ui32_r_minMag( extFloat80_t, bool );
+uint_fast64_t extF80_to_ui64_r_minMag( extFloat80_t, bool );
+int_fast32_t extF80_to_i32_r_minMag( extFloat80_t, bool );
+int_fast64_t extF80_to_i64_r_minMag( extFloat80_t, bool );
+float16_t extF80_to_f16( extFloat80_t );
+float32_t extF80_to_f32( extFloat80_t );
+float64_t extF80_to_f64( extFloat80_t );
+float128_t extF80_to_f128( extFloat80_t );
+extFloat80_t extF80_roundToInt( extFloat80_t, uint_fast8_t, bool );
+extFloat80_t extF80_add( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_sub( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_mul( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_div( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_rem( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_sqrt( extFloat80_t );
+bool extF80_eq( extFloat80_t, extFloat80_t );
+bool extF80_le( extFloat80_t, extFloat80_t );
+bool extF80_lt( extFloat80_t, extFloat80_t );
+bool extF80_eq_signaling( extFloat80_t, extFloat80_t );
+bool extF80_le_quiet( extFloat80_t, extFloat80_t );
+bool extF80_lt_quiet( extFloat80_t, extFloat80_t );
+bool extF80_isSignalingNaN( extFloat80_t );
+#endif
+uint_fast32_t extF80M_to_ui32( const extFloat80_t *, uint_fast8_t, bool );
+uint_fast64_t extF80M_to_ui64( const extFloat80_t *, uint_fast8_t, bool );
+int_fast32_t extF80M_to_i32( const extFloat80_t *, uint_fast8_t, bool );
+int_fast64_t extF80M_to_i64( const extFloat80_t *, uint_fast8_t, bool );
+uint_fast32_t extF80M_to_ui32_r_minMag( const extFloat80_t *, bool );
+uint_fast64_t extF80M_to_ui64_r_minMag( const extFloat80_t *, bool );
+int_fast32_t extF80M_to_i32_r_minMag( const extFloat80_t *, bool );
+int_fast64_t extF80M_to_i64_r_minMag( const extFloat80_t *, bool );
+float16_t extF80M_to_f16( const extFloat80_t * );
+float32_t extF80M_to_f32( const extFloat80_t * );
+float64_t extF80M_to_f64( const extFloat80_t * );
+void extF80M_to_f128M( const extFloat80_t *, float128_t * );
+void
+ extF80M_roundToInt(
+ const extFloat80_t *, uint_fast8_t, bool, extFloat80_t * );
+void extF80M_add( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_sub( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_mul( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_div( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_rem( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_sqrt( const extFloat80_t *, extFloat80_t * );
+bool extF80M_eq( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_le( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_lt( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_eq_signaling( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_le_quiet( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_lt_quiet( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_isSignalingNaN( const extFloat80_t * );
+
+/*----------------------------------------------------------------------------
+| 128-bit (quadruple-precision) floating-point operations.
+*----------------------------------------------------------------------------*/
+#ifdef SOFTFLOAT_FAST_INT64
+uint_fast32_t f128_to_ui32( float128_t, uint_fast8_t, bool );
+uint_fast64_t f128_to_ui64( float128_t, uint_fast8_t, bool );
+int_fast32_t f128_to_i32( float128_t, uint_fast8_t, bool );
+int_fast64_t f128_to_i64( float128_t, uint_fast8_t, bool );
+uint_fast32_t f128_to_ui32_r_minMag( float128_t, bool );
+uint_fast64_t f128_to_ui64_r_minMag( float128_t, bool );
+int_fast32_t f128_to_i32_r_minMag( float128_t, bool );
+int_fast64_t f128_to_i64_r_minMag( float128_t, bool );
+float16_t f128_to_f16( float128_t );
+float32_t f128_to_f32( float128_t );
+float64_t f128_to_f64( float128_t );
+extFloat80_t f128_to_extF80( float128_t );
+float128_t f128_roundToInt( float128_t, uint_fast8_t, bool );
+float128_t f128_add( float128_t, float128_t );
+float128_t f128_sub( float128_t, float128_t );
+float128_t f128_mul( float128_t, float128_t );
+float128_t f128_mulAdd( float128_t, float128_t, float128_t );
+float128_t f128_div( float128_t, float128_t );
+float128_t f128_rem( float128_t, float128_t );
+float128_t f128_sqrt( float128_t );
+bool f128_eq( float128_t, float128_t );
+bool f128_le( float128_t, float128_t );
+bool f128_lt( float128_t, float128_t );
+bool f128_eq_signaling( float128_t, float128_t );
+bool f128_le_quiet( float128_t, float128_t );
+bool f128_lt_quiet( float128_t, float128_t );
+bool f128_isSignalingNaN( float128_t );
+uint_fast16_t f128_classify( float128_t );
+#endif
+uint_fast32_t f128M_to_ui32( const float128_t *, uint_fast8_t, bool );
+uint_fast64_t f128M_to_ui64( const float128_t *, uint_fast8_t, bool );
+int_fast32_t f128M_to_i32( const float128_t *, uint_fast8_t, bool );
+int_fast64_t f128M_to_i64( const float128_t *, uint_fast8_t, bool );
+uint_fast32_t f128M_to_ui32_r_minMag( const float128_t *, bool );
+uint_fast64_t f128M_to_ui64_r_minMag( const float128_t *, bool );
+int_fast32_t f128M_to_i32_r_minMag( const float128_t *, bool );
+int_fast64_t f128M_to_i64_r_minMag( const float128_t *, bool );
+float16_t f128M_to_f16( const float128_t * );
+float32_t f128M_to_f32( const float128_t * );
+float64_t f128M_to_f64( const float128_t * );
+void f128M_to_extF80M( const float128_t *, extFloat80_t * );
+void f128M_roundToInt( const float128_t *, uint_fast8_t, bool, float128_t * );
+void f128M_add( const float128_t *, const float128_t *, float128_t * );
+void f128M_sub( const float128_t *, const float128_t *, float128_t * );
+void f128M_mul( const float128_t *, const float128_t *, float128_t * );
+void
+ f128M_mulAdd(
+ const float128_t *, const float128_t *, const float128_t *, float128_t *
+ );
+void f128M_div( const float128_t *, const float128_t *, float128_t * );
+void f128M_rem( const float128_t *, const float128_t *, float128_t * );
+void f128M_sqrt( const float128_t *, float128_t * );
+bool f128M_eq( const float128_t *, const float128_t * );
+bool f128M_le( const float128_t *, const float128_t * );
+bool f128M_lt( const float128_t *, const float128_t * );
+bool f128M_eq_signaling( const float128_t *, const float128_t * );
+bool f128M_le_quiet( const float128_t *, const float128_t * );
+bool f128M_lt_quiet( const float128_t *, const float128_t * );
+bool f128M_isSignalingNaN( const float128_t * );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/ext/softfloat/softfloat.mk.in b/ext/softfloat/softfloat.mk.in
new file mode 100644
index 0000000..77c1357
--- /dev/null
+++ b/ext/softfloat/softfloat.mk.in
@@ -0,0 +1,229 @@
+softfloat_subproject_deps =
+
+softfloat_hdrs = \
+ internals.h \
+ primitives.h \
+ primitiveTypes.h \
+ softfloat.h \
+ softfloat_types.h \
+ specialize.h \
+
+softfloat_c_srcs = \
+ f128_add.c \
+ f128_classify.c \
+ f128_div.c \
+ f128_eq.c \
+ f128_eq_signaling.c \
+ f128_isSignalingNaN.c \
+ f128_le.c \
+ f128_le_quiet.c \
+ f128_lt.c \
+ f128_lt_quiet.c \
+ f128_mulAdd.c \
+ f128_mul.c \
+ f128_rem.c \
+ f128_roundToInt.c \
+ f128_sqrt.c \
+ f128_sub.c \
+ f128_to_f16.c \
+ f128_to_f32.c \
+ f128_to_f64.c \
+ f128_to_i32.c \
+ f128_to_i32_r_minMag.c \
+ f128_to_i64.c \
+ f128_to_i64_r_minMag.c \
+ f128_to_ui32.c \
+ f128_to_ui32_r_minMag.c \
+ f128_to_ui64.c \
+ f128_to_ui64_r_minMag.c \
+ f16_add.c \
+ f16_div.c \
+ f16_eq.c \
+ f16_eq_signaling.c \
+ f16_isSignalingNaN.c \
+ f16_le.c \
+ f16_le_quiet.c \
+ f16_lt.c \
+ f16_lt_quiet.c \
+ f16_mulAdd.c \
+ f16_mul.c \
+ f16_rem.c \
+ f16_roundToInt.c \
+ f16_sqrt.c \
+ f16_sub.c \
+ f16_to_f128.c \
+ f16_to_f32.c \
+ f16_to_f64.c \
+ f16_to_i32.c \
+ f16_to_i32_r_minMag.c \
+ f16_to_i64.c \
+ f16_to_i64_r_minMag.c \
+ f16_to_ui32.c \
+ f16_to_ui32_r_minMag.c \
+ f16_to_ui64.c \
+ f16_to_ui64_r_minMag.c \
+ f32_add.c \
+ f32_classify.c \
+ f32_div.c \
+ f32_eq.c \
+ f32_eq_signaling.c \
+ f32_isSignalingNaN.c \
+ f32_le.c \
+ f32_le_quiet.c \
+ f32_lt.c \
+ f32_lt_quiet.c \
+ f32_mulAdd.c \
+ f32_mul.c \
+ f32_rem.c \
+ f32_roundToInt.c \
+ f32_sqrt.c \
+ f32_sub.c \
+ f32_to_f128.c \
+ f32_to_f16.c \
+ f32_to_f64.c \
+ f32_to_i32.c \
+ f32_to_i32_r_minMag.c \
+ f32_to_i64.c \
+ f32_to_i64_r_minMag.c \
+ f32_to_ui32.c \
+ f32_to_ui32_r_minMag.c \
+ f32_to_ui64.c \
+ f32_to_ui64_r_minMag.c \
+ f64_add.c \
+ f64_classify.c \
+ f64_div.c \
+ f64_eq.c \
+ f64_eq_signaling.c \
+ f64_isSignalingNaN.c \
+ f64_le.c \
+ f64_le_quiet.c \
+ f64_lt.c \
+ f64_lt_quiet.c \
+ f64_mulAdd.c \
+ f64_mul.c \
+ f64_rem.c \
+ f64_roundToInt.c \
+ f64_sqrt.c \
+ f64_sub.c \
+ f64_to_f128.c \
+ f64_to_f16.c \
+ f64_to_f32.c \
+ f64_to_i32.c \
+ f64_to_i32_r_minMag.c \
+ f64_to_i64.c \
+ f64_to_i64_r_minMag.c \
+ f64_to_ui32.c \
+ f64_to_ui32_r_minMag.c \
+ f64_to_ui64.c \
+ f64_to_ui64_r_minMag.c \
+ i32_to_f128.c \
+ i32_to_f16.c \
+ i32_to_f32.c \
+ i32_to_f64.c \
+ i64_to_f128.c \
+ i64_to_f16.c \
+ i64_to_f32.c \
+ i64_to_f64.c \
+ s_add128.c \
+ s_add256M.c \
+ s_addCarryM.c \
+ s_addComplCarryM.c \
+ s_addMagsF128.c \
+ s_addMagsF16.c \
+ s_addMagsF32.c \
+ s_addMagsF64.c \
+ s_addM.c \
+ s_approxRecip_1Ks.c \
+ s_approxRecip32_1.c \
+ s_approxRecipSqrt_1Ks.c \
+ s_approxRecipSqrt32_1.c \
+ s_commonNaNToF32UI.c \
+ s_commonNaNToF64UI.c \
+ s_compare128M.c \
+ s_compare96M.c \
+ s_countLeadingZeros16.c \
+ s_countLeadingZeros32.c \
+ s_countLeadingZeros64.c \
+ s_countLeadingZeros8.c \
+ s_eq128.c \
+ s_f32UIToCommonNaN.c \
+ s_f64UIToCommonNaN.c \
+ s_le128.c \
+ s_lt128.c \
+ s_mul128By32.c \
+ s_mul128MTo256M.c \
+ s_mul128To256M.c \
+ s_mul64ByShifted32To128.c \
+ s_mul64To128.c \
+ s_mul64To128M.c \
+ s_mulAddF128.c \
+ s_mulAddF16.c \
+ s_mulAddF32.c \
+ s_mulAddF64.c \
+ s_negXM.c \
+ s_normRoundPackToF128.c \
+ s_normRoundPackToF16.c \
+ s_normRoundPackToF32.c \
+ s_normRoundPackToF64.c \
+ s_normSubnormalF128Sig.c \
+ s_normSubnormalF16Sig.c \
+ s_normSubnormalF32Sig.c \
+ s_normSubnormalF64Sig.c \
+ softfloat_raiseFlags.c \
+ softfloat_state.c \
+ s_propagateNaNF16UI.c \
+ s_propagateNaNF32UI.c \
+ s_propagateNaNF64UI.c \
+ s_propagateNaNF128UI.c \
+ s_remStepMBy32.c \
+ s_roundMToI64.c \
+ s_roundMToUI64.c \
+ s_roundPackMToI64.c \
+ s_roundPackMToUI64.c \
+ s_roundPackToF128.c \
+ s_roundPackToF16.c \
+ s_roundPackToF32.c \
+ s_roundPackToF64.c \
+ s_roundPackToI32.c \
+ s_roundPackToI64.c \
+ s_roundPackToUI32.c \
+ s_roundPackToUI64.c \
+ s_roundToI32.c \
+ s_roundToI64.c \
+ s_roundToUI32.c \
+ s_roundToUI64.c \
+ s_shiftRightJam128.c \
+ s_shiftRightJam128Extra.c \
+ s_shiftRightJam256M.c \
+ s_shiftRightJam32.c \
+ s_shiftRightJam64.c \
+ s_shiftRightJam64Extra.c \
+ s_shortShiftLeft128.c \
+ s_shortShiftLeft64To96M.c \
+ s_shortShiftRight128.c \
+ s_shortShiftRightExtendM.c \
+ s_shortShiftRightJam128.c \
+ s_shortShiftRightJam128Extra.c \
+ s_shortShiftRightJam64.c \
+ s_shortShiftRightJam64Extra.c \
+ s_shortShiftRightM.c \
+ s_sub128.c \
+ s_sub1XM.c \
+ s_sub256M.c \
+ s_subMagsF128.c \
+ s_subMagsF16.c \
+ s_subMagsF32.c \
+ s_subMagsF64.c \
+ s_subM.c \
+ ui32_to_f128.c \
+ ui32_to_f16.c \
+ ui32_to_f32.c \
+ ui32_to_f64.c \
+ ui64_to_f128.c \
+ ui64_to_f16.c \
+ ui64_to_f32.c \
+ ui64_to_f64.c \
+
+softfloat_test_srcs =
+
+softfloat_install_prog_srcs =
diff --git a/ext/softfloat/softfloat_raiseFlags.c b/ext/softfloat/softfloat_raiseFlags.c
new file mode 100644
index 0000000..f2c25ad
--- /dev/null
+++ b/ext/softfloat/softfloat_raiseFlags.c
@@ -0,0 +1,52 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include "platform.h"
+#include "softfloat.h"
+
+/*----------------------------------------------------------------------------
+| Raises the exceptions specified by `flags'. Floating-point traps can be
+| defined here if desired. It is currently not possible for such a trap
+| to substitute a result value. If traps are not implemented, this routine
+| should be simply `softfloat_exceptionFlags |= flags;'.
+*----------------------------------------------------------------------------*/
+void softfloat_raiseFlags( uint_fast8_t flags )
+{
+
+ softfloat_exceptionFlags |= flags;
+
+}
+
diff --git a/ext/softfloat/softfloat_state.c b/ext/softfloat/softfloat_state.c
new file mode 100644
index 0000000..33b7214
--- /dev/null
+++ b/ext/softfloat/softfloat_state.c
@@ -0,0 +1,53 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All Rights Reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+#include "specialize.h"
+
+#ifndef THREAD_LOCAL
+#define THREAD_LOCAL
+#endif
+
+THREAD_LOCAL uint_fast8_t softfloat_roundingMode = softfloat_round_near_even;
+THREAD_LOCAL uint_fast8_t softfloat_detectTininess = init_detectTininess;
+THREAD_LOCAL uint_fast8_t softfloat_exceptionFlags = 0;
+
+THREAD_LOCAL uint_fast8_t extF80_roundingPrecision = 80;
+
diff --git a/ext/softfloat/softfloat_types.h b/ext/softfloat/softfloat_types.h
new file mode 100644
index 0000000..af1888f
--- /dev/null
+++ b/ext/softfloat/softfloat_types.h
@@ -0,0 +1,81 @@
+
+/*============================================================================
+
+This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2017 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#ifndef softfloat_types_h
+#define softfloat_types_h 1
+
+#include <stdint.h>
+
+/*----------------------------------------------------------------------------
+| Types used to pass 16-bit, 32-bit, 64-bit, and 128-bit floating-point
+| arguments and results to/from functions. These types must be exactly
+| 16 bits, 32 bits, 64 bits, and 128 bits in size, respectively. Where a
+| platform has "native" support for IEEE-Standard floating-point formats,
+| the types below may, if desired, be defined as aliases for the native types
+| (typically 'float' and 'double', and possibly 'long double').
+*----------------------------------------------------------------------------*/
+typedef struct { uint16_t v; } float16_t;
+typedef struct { uint32_t v; } float32_t;
+typedef struct { uint64_t v; } float64_t;
+typedef struct { uint64_t v[2]; } float128_t;
+
+/*----------------------------------------------------------------------------
+| The format of an 80-bit extended floating-point number in memory. This
+| structure must contain a 16-bit field named 'signExp' and a 64-bit field
+| named 'signif'.
+*----------------------------------------------------------------------------*/
+#ifdef LITTLEENDIAN
+struct extFloat80M { uint64_t signif; uint16_t signExp; };
+#else
+struct extFloat80M { uint16_t signExp; uint64_t signif; };
+#endif
+
+/*----------------------------------------------------------------------------
+| The type used to pass 80-bit extended floating-point arguments and
+| results to/from functions. This type must have size identical to
+| 'struct extFloat80M'. Type 'extFloat80_t' can be defined as an alias for
+| 'struct extFloat80M'. Alternatively, if a platform has "native" support
+| for IEEE-Standard 80-bit extended floating-point, it may be possible,
+| if desired, to define 'extFloat80_t' as an alias for the native type
+| (presumably either 'long double' or a nonstandard compiler-intrinsic type).
+| In that case, the 'signif' and 'signExp' fields of 'struct extFloat80M'
+| must align exactly with the locations in memory of the sign, exponent, and
+| significand of the native type.
+*----------------------------------------------------------------------------*/
+typedef struct extFloat80M extFloat80_t;
+
+#endif
+
diff --git a/ext/softfloat/specialize.h b/ext/softfloat/specialize.h
new file mode 100644
index 0000000..2427bce
--- /dev/null
+++ b/ext/softfloat/specialize.h
@@ -0,0 +1,416 @@
+
+/*============================================================================
+
+This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#ifndef specialize_h
+#define specialize_h 1
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "primitiveTypes.h"
+#include "softfloat.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*----------------------------------------------------------------------------
+| Default value for `softfloat_detectTininess'.
+*----------------------------------------------------------------------------*/
+#define init_detectTininess softfloat_tininess_afterRounding
+
+/*----------------------------------------------------------------------------
+| The values to return on conversions to 32-bit integer formats that raise an
+| invalid exception.
+*----------------------------------------------------------------------------*/
+#define ui32_fromPosOverflow 0xFFFFFFFF
+#define ui32_fromNegOverflow 0
+#define ui32_fromNaN 0xFFFFFFFF
+#define i32_fromPosOverflow 0x7FFFFFFF
+#define i32_fromNegOverflow (-0x7FFFFFFF - 1)
+#define i32_fromNaN 0x7FFFFFFF
+
+/*----------------------------------------------------------------------------
+| The values to return on conversions to 64-bit integer formats that raise an
+| invalid exception.
+*----------------------------------------------------------------------------*/
+#define ui64_fromPosOverflow UINT64_C( 0xFFFFFFFFFFFFFFFF )
+#define ui64_fromNegOverflow 0
+#define ui64_fromNaN UINT64_C( 0xFFFFFFFFFFFFFFFF )
+#define i64_fromPosOverflow UINT64_C( 0x7FFFFFFFFFFFFFFF )
+#define i64_fromNegOverflow (-UINT64_C( 0x7FFFFFFFFFFFFFFF ) - 1)
+#define i64_fromNaN UINT64_C( 0x7FFFFFFFFFFFFFFF )
+
+/*----------------------------------------------------------------------------
+| "Common NaN" structure, used to transfer NaN representations from one format
+| to another.
+*----------------------------------------------------------------------------*/
+struct commonNaN { char _unused; };
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 16-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF16UI 0x7E00
+
+/*----------------------------------------------------------------------------
+| Returns true when 16-bit unsigned integer `uiA' has the bit pattern of a
+| 16-bit floating-point signaling NaN.
+| Note: This macro evaluates its argument more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNF16UI( uiA ) ((((uiA) & 0x7E00) == 0x7C00) && ((uiA) & 0x01FF))
+
+/*----------------------------------------------------------------------------
+| Assuming `uiA' has the bit pattern of a 16-bit floating-point NaN, converts
+| this NaN to the common NaN form, and stores the resulting common NaN at the
+| location pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid
+| exception is raised.
+*----------------------------------------------------------------------------*/
+#define softfloat_f16UIToCommonNaN( uiA, zPtr ) if ( ! ((uiA) & 0x0200) ) softfloat_raiseFlags( softfloat_flag_invalid )
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by `aPtr' into a 16-bit floating-point
+| NaN, and returns the bit pattern of this value as an unsigned integer.
+*----------------------------------------------------------------------------*/
+#define softfloat_commonNaNToF16UI( aPtr ) ((uint_fast16_t) defaultNaNF16UI)
+
+/*----------------------------------------------------------------------------
+| Interpreting `uiA' and `uiB' as the bit patterns of two 16-bit floating-
+| point values, at least one of which is a NaN, returns the bit pattern of
+| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
+| signaling NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+uint_fast16_t
+ softfloat_propagateNaNF16UI( uint_fast16_t uiA, uint_fast16_t uiB );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 32-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF32UI 0x7FC00000
+
+/*----------------------------------------------------------------------------
+| Returns true when 32-bit unsigned integer `uiA' has the bit pattern of a
+| 32-bit floating-point signaling NaN.
+| Note: This macro evaluates its argument more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNF32UI( uiA ) ((((uiA) & 0x7FC00000) == 0x7F800000) && ((uiA) & 0x003FFFFF))
+
+/*----------------------------------------------------------------------------
+| Assuming `uiA' has the bit pattern of a 32-bit floating-point NaN, converts
+| this NaN to the common NaN form, and stores the resulting common NaN at the
+| location pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid
+| exception is raised.
+*----------------------------------------------------------------------------*/
+#define softfloat_f32UIToCommonNaN( uiA, zPtr ) if ( ! ((uiA) & 0x00400000) ) softfloat_raiseFlags( softfloat_flag_invalid )
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by `aPtr' into a 32-bit floating-point
+| NaN, and returns the bit pattern of this value as an unsigned integer.
+*----------------------------------------------------------------------------*/
+#define softfloat_commonNaNToF32UI( aPtr ) ((uint_fast32_t) defaultNaNF32UI)
+
+/*----------------------------------------------------------------------------
+| Interpreting `uiA' and `uiB' as the bit patterns of two 32-bit floating-
+| point values, at least one of which is a NaN, returns the bit pattern of
+| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
+| signaling NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+uint_fast32_t
+ softfloat_propagateNaNF32UI( uint_fast32_t uiA, uint_fast32_t uiB );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 64-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF64UI UINT64_C( 0x7FF8000000000000 )
+
+/*----------------------------------------------------------------------------
+| Returns true when 64-bit unsigned integer `uiA' has the bit pattern of a
+| 64-bit floating-point signaling NaN.
+| Note: This macro evaluates its argument more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNF64UI( uiA ) ((((uiA) & UINT64_C( 0x7FF8000000000000 )) == UINT64_C( 0x7FF0000000000000 )) && ((uiA) & UINT64_C( 0x0007FFFFFFFFFFFF )))
+
+/*----------------------------------------------------------------------------
+| Assuming `uiA' has the bit pattern of a 64-bit floating-point NaN, converts
+| this NaN to the common NaN form, and stores the resulting common NaN at the
+| location pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid
+| exception is raised.
+*----------------------------------------------------------------------------*/
+#define softfloat_f64UIToCommonNaN( uiA, zPtr ) if ( ! ((uiA) & UINT64_C( 0x0008000000000000 )) ) softfloat_raiseFlags( softfloat_flag_invalid )
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by `aPtr' into a 64-bit floating-point
+| NaN, and returns the bit pattern of this value as an unsigned integer.
+*----------------------------------------------------------------------------*/
+#define softfloat_commonNaNToF64UI( aPtr ) ((uint_fast64_t) defaultNaNF64UI)
+
+/*----------------------------------------------------------------------------
+| Interpreting `uiA' and `uiB' as the bit patterns of two 64-bit floating-
+| point values, at least one of which is a NaN, returns the bit pattern of
+| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
+| signaling NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+uint_fast64_t
+ softfloat_propagateNaNF64UI( uint_fast64_t uiA, uint_fast64_t uiB );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 80-bit extended floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNExtF80UI64 0x7FFF
+#define defaultNaNExtF80UI0 UINT64_C( 0xC000000000000000 )
+
+/*----------------------------------------------------------------------------
+| Returns true when the 80-bit unsigned integer formed from concatenating
+| 16-bit `uiA64' and 64-bit `uiA0' has the bit pattern of an 80-bit extended
+| floating-point signaling NaN.
+| Note: This macro evaluates its arguments more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNExtF80UI( uiA64, uiA0 ) ((((uiA64) & 0x7FFF) == 0x7FFF) && ! ((uiA0) & UINT64_C( 0x4000000000000000 )) && ((uiA0) & UINT64_C( 0x3FFFFFFFFFFFFFFF )))
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+/*----------------------------------------------------------------------------
+| The following functions are needed only when `SOFTFLOAT_FAST_INT64' is
+| defined.
+*----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+| Assuming the unsigned integer formed from concatenating `uiA64' and `uiA0'
+| has the bit pattern of an 80-bit extended floating-point NaN, converts
+| this NaN to the common NaN form, and stores the resulting common NaN at the
+| location pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid
+| exception is raised.
+*----------------------------------------------------------------------------*/
+#define softfloat_extF80UIToCommonNaN( uiA64, uiA0, zPtr ) if ( ! ((uiA0) & UINT64_C( 0x4000000000000000 )) ) softfloat_raiseFlags( softfloat_flag_invalid )
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by `aPtr' into an 80-bit extended
+| floating-point NaN, and returns the bit pattern of this value as an unsigned
+| integer.
+*----------------------------------------------------------------------------*/
+#if defined INLINE && ! defined softfloat_commonNaNToExtF80UI
+INLINE
+struct uint128 softfloat_commonNaNToExtF80UI( const struct commonNaN *aPtr )
+{
+ struct uint128 uiZ;
+ uiZ.v64 = defaultNaNExtF80UI64;
+ uiZ.v0 = defaultNaNExtF80UI0;
+ return uiZ;
+}
+#else
+struct uint128 softfloat_commonNaNToExtF80UI( const struct commonNaN *aPtr );
+#endif
+
+/*----------------------------------------------------------------------------
+| Interpreting the unsigned integer formed from concatenating `uiA64' and
+| `uiA0' as an 80-bit extended floating-point value, and likewise interpreting
+| the unsigned integer formed from concatenating `uiB64' and `uiB0' as another
+| 80-bit extended floating-point value, and assuming at least on of these
+| floating-point values is a NaN, returns the bit pattern of the combined NaN
+| result. If either original floating-point value is a signaling NaN, the
+| invalid exception is raised.
+*----------------------------------------------------------------------------*/
+struct uint128
+ softfloat_propagateNaNExtF80UI(
+ uint_fast16_t uiA64,
+ uint_fast64_t uiA0,
+ uint_fast16_t uiB64,
+ uint_fast64_t uiB0
+ );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 128-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF128UI64 UINT64_C( 0x7FFF800000000000 )
+#define defaultNaNF128UI0 UINT64_C( 0 )
+
+/*----------------------------------------------------------------------------
+| Returns true when the 128-bit unsigned integer formed from concatenating
+| 64-bit `uiA64' and 64-bit `uiA0' has the bit pattern of a 128-bit floating-
+| point signaling NaN.
+| Note: This macro evaluates its arguments more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNF128UI( uiA64, uiA0 ) ((((uiA64) & UINT64_C( 0x7FFF800000000000 )) == UINT64_C( 0x7FFF000000000000 )) && ((uiA0) || ((uiA64) & UINT64_C( 0x00007FFFFFFFFFFF ))))
+
+/*----------------------------------------------------------------------------
+| Assuming the unsigned integer formed from concatenating `uiA64' and `uiA0'
+| has the bit pattern of a 128-bit floating-point NaN, converts this NaN to
+| the common NaN form, and stores the resulting common NaN at the location
+| pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid exception
+| is raised.
+*----------------------------------------------------------------------------*/
+#define softfloat_f128UIToCommonNaN( uiA64, uiA0, zPtr ) if ( ! ((uiA64) & UINT64_C( 0x0000800000000000 )) ) softfloat_raiseFlags( softfloat_flag_invalid )
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by `aPtr' into a 128-bit floating-point
+| NaN, and returns the bit pattern of this value as an unsigned integer.
+*----------------------------------------------------------------------------*/
+#if defined INLINE && ! defined softfloat_commonNaNToF128UI
+INLINE
+struct uint128 softfloat_commonNaNToF128UI( const struct commonNaN *aPtr )
+{
+ struct uint128 uiZ;
+ uiZ.v64 = defaultNaNF128UI64;
+ uiZ.v0 = defaultNaNF128UI0;
+ return uiZ;
+}
+#else
+struct uint128 softfloat_commonNaNToF128UI( const struct commonNaN * );
+#endif
+
+/*----------------------------------------------------------------------------
+| Interpreting the unsigned integer formed from concatenating `uiA64' and
+| `uiA0' as a 128-bit floating-point value, and likewise interpreting the
+| unsigned integer formed from concatenating `uiB64' and `uiB0' as another
+| 128-bit floating-point value, and assuming at least on of these floating-
+| point values is a NaN, returns the bit pattern of the combined NaN result.
+| If either original floating-point value is a signaling NaN, the invalid
+| exception is raised.
+*----------------------------------------------------------------------------*/
+struct uint128
+ softfloat_propagateNaNF128UI(
+ uint_fast64_t uiA64,
+ uint_fast64_t uiA0,
+ uint_fast64_t uiB64,
+ uint_fast64_t uiB0
+ );
+
+#else
+
+/*----------------------------------------------------------------------------
+| The following functions are needed only when `SOFTFLOAT_FAST_INT64' is not
+| defined.
+*----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+| Assuming the 80-bit extended floating-point value pointed to by `aSPtr' is
+| a NaN, converts this NaN to the common NaN form, and stores the resulting
+| common NaN at the location pointed to by `zPtr'. If the NaN is a signaling
+| NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+#define softfloat_extF80MToCommonNaN( aSPtr, zPtr ) if ( ! ((aSPtr)->signif & UINT64_C( 0x4000000000000000 )) ) softfloat_raiseFlags( softfloat_flag_invalid )
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by `aPtr' into an 80-bit extended
+| floating-point NaN, and stores this NaN at the location pointed to by
+| `zSPtr'.
+*----------------------------------------------------------------------------*/
+#if defined INLINE && ! defined softfloat_commonNaNToExtF80M
+INLINE
+void
+ softfloat_commonNaNToExtF80M(
+ const struct commonNaN *aPtr, struct extFloat80M *zSPtr )
+{
+ zSPtr->signExp = defaultNaNExtF80UI64;
+ zSPtr->signif = defaultNaNExtF80UI0;
+}
+#else
+void
+ softfloat_commonNaNToExtF80M(
+ const struct commonNaN *aPtr, struct extFloat80M *zSPtr );
+#endif
+
+/*----------------------------------------------------------------------------
+| Assuming at least one of the two 80-bit extended floating-point values
+| pointed to by `aSPtr' and `bSPtr' is a NaN, stores the combined NaN result
+| at the location pointed to by `zSPtr'. If either original floating-point
+| value is a signaling NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_propagateNaNExtF80M(
+ const struct extFloat80M *aSPtr,
+ const struct extFloat80M *bSPtr,
+ struct extFloat80M *zSPtr
+ );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 128-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF128UI96 0x7FFF8000
+#define defaultNaNF128UI64 0
+#define defaultNaNF128UI32 0
+#define defaultNaNF128UI0 0
+
+/*----------------------------------------------------------------------------
+| Assuming the 128-bit floating-point value pointed to by `aWPtr' is a NaN,
+| converts this NaN to the common NaN form, and stores the resulting common
+| NaN at the location pointed to by `zPtr'. If the NaN is a signaling NaN,
+| the invalid exception is raised. Argument `aWPtr' points to an array of
+| four 32-bit elements that concatenate in the platform's normal endian order
+| to form a 128-bit floating-point value.
+*----------------------------------------------------------------------------*/
+#define softfloat_f128MToCommonNaN( aWPtr, zPtr ) if ( ! ((aWPtr)[indexWordHi( 4 )] & UINT64_C( 0x0000800000000000 )) ) softfloat_raiseFlags( softfloat_flag_invalid )
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by `aPtr' into a 128-bit floating-point
+| NaN, and stores this NaN at the location pointed to by `zWPtr'. Argument
+| `zWPtr' points to an array of four 32-bit elements that concatenate in the
+| platform's normal endian order to form a 128-bit floating-point value.
+*----------------------------------------------------------------------------*/
+#if defined INLINE && ! defined softfloat_commonNaNToF128M
+INLINE
+void
+ softfloat_commonNaNToF128M( const struct commonNaN *aPtr, uint32_t *zWPtr )
+{
+ zWPtr[indexWord( 4, 3 )] = defaultNaNF128UI96;
+ zWPtr[indexWord( 4, 2 )] = defaultNaNF128UI64;
+ zWPtr[indexWord( 4, 1 )] = defaultNaNF128UI32;
+ zWPtr[indexWord( 4, 0 )] = defaultNaNF128UI0;
+}
+#else
+void
+ softfloat_commonNaNToF128M( const struct commonNaN *aPtr, uint32_t *zWPtr );
+#endif
+
+/*----------------------------------------------------------------------------
+| Assuming at least one of the two 128-bit floating-point values pointed to by
+| `aWPtr' and `bWPtr' is a NaN, stores the combined NaN result at the location
+| pointed to by `zWPtr'. If either original floating-point value is a
+| signaling NaN, the invalid exception is raised. Each of `aWPtr', `bWPtr',
+| and `zWPtr' points to an array of four 32-bit elements that concatenate in
+| the platform's normal endian order to form a 128-bit floating-point value.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_propagateNaNF128M(
+ const uint32_t *aWPtr, const uint32_t *bWPtr, uint32_t *zWPtr );
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/ext/softfloat/ui32_to_f128.c b/ext/softfloat/ui32_to_f128.c
new file mode 100644
index 0000000..3e47ea6
--- /dev/null
+++ b/ext/softfloat/ui32_to_f128.c
@@ -0,0 +1,61 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All Rights Reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float128_t ui32_to_f128( uint32_t a )
+{
+ uint_fast64_t uiZ64;
+ int_fast8_t shiftDist;
+ union ui128_f128 uZ;
+
+ uiZ64 = 0;
+ if ( a ) {
+ shiftDist = softfloat_countLeadingZeros32( a ) + 17;
+ uiZ64 =
+ packToF128UI64(
+ 0, 0x402E - shiftDist, (uint_fast64_t) a<<shiftDist );
+ }
+ uZ.ui.v64 = uiZ64;
+ uZ.ui.v0 = 0;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/ui32_to_f16.c b/ext/softfloat/ui32_to_f16.c
new file mode 100644
index 0000000..e3616fc
--- /dev/null
+++ b/ext/softfloat/ui32_to_f16.c
@@ -0,0 +1,66 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All Rights Reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float16_t ui32_to_f16( uint32_t a )
+{
+ int_fast8_t shiftDist;
+ union ui16_f16 u;
+ uint_fast16_t sig;
+
+ shiftDist = softfloat_countLeadingZeros32( a ) - 21;
+ if ( 0 <= shiftDist ) {
+ u.ui =
+ a ? packToF16UI(
+ 0, 0x18 - shiftDist, (uint_fast16_t) a<<shiftDist )
+ : 0;
+ return u.f;
+ } else {
+ shiftDist += 4;
+ sig =
+ (shiftDist < 0)
+ ? a>>(-shiftDist) | ((uint32_t) (a<<(shiftDist & 31)) != 0)
+ : (uint_fast16_t) a<<shiftDist;
+ return softfloat_roundPackToF16( 0, 0x1C - shiftDist, sig );
+ }
+
+}
+
diff --git a/ext/softfloat/ui32_to_f32.c b/ext/softfloat/ui32_to_f32.c
new file mode 100644
index 0000000..29d0123
--- /dev/null
+++ b/ext/softfloat/ui32_to_f32.c
@@ -0,0 +1,58 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All Rights Reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float32_t ui32_to_f32( uint32_t a )
+{
+ union ui32_f32 uZ;
+
+ if ( ! a ) {
+ uZ.ui = 0;
+ return uZ.f;
+ }
+ if ( a & 0x80000000 ) {
+ return softfloat_roundPackToF32( 0, 0x9D, a>>1 | (a & 1) );
+ } else {
+ return softfloat_normRoundPackToF32( 0, 0x9C, a );
+ }
+
+}
+
diff --git a/ext/softfloat/ui32_to_f64.c b/ext/softfloat/ui32_to_f64.c
new file mode 100644
index 0000000..4954b14
--- /dev/null
+++ b/ext/softfloat/ui32_to_f64.c
@@ -0,0 +1,60 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All Rights Reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float64_t ui32_to_f64( uint32_t a )
+{
+ uint_fast64_t uiZ;
+ int_fast8_t shiftDist;
+ union ui64_f64 uZ;
+
+ if ( ! a ) {
+ uiZ = 0;
+ } else {
+ shiftDist = softfloat_countLeadingZeros32( a ) + 21;
+ uiZ =
+ packToF64UI( 0, 0x432 - shiftDist, (uint_fast64_t) a<<shiftDist );
+ }
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/ui64_to_f128.c b/ext/softfloat/ui64_to_f128.c
new file mode 100644
index 0000000..508041d
--- /dev/null
+++ b/ext/softfloat/ui64_to_f128.c
@@ -0,0 +1,69 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All Rights Reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float128_t ui64_to_f128( uint64_t a )
+{
+ uint_fast64_t uiZ64, uiZ0;
+ int_fast8_t shiftDist;
+ struct uint128 zSig;
+ union ui128_f128 uZ;
+
+ if ( ! a ) {
+ uiZ64 = 0;
+ uiZ0 = 0;
+ } else {
+ shiftDist = softfloat_countLeadingZeros64( a ) + 49;
+ if ( 64 <= shiftDist ) {
+ zSig.v64 = a<<(shiftDist - 64);
+ zSig.v0 = 0;
+ } else {
+ zSig = softfloat_shortShiftLeft128( 0, a, shiftDist );
+ }
+ uiZ64 = packToF128UI64( 0, 0x406E - shiftDist, zSig.v64 );
+ uiZ0 = zSig.v0;
+ }
+ uZ.ui.v64 = uiZ64;
+ uZ.ui.v0 = uiZ0;
+ return uZ.f;
+
+}
+
diff --git a/ext/softfloat/ui64_to_f16.c b/ext/softfloat/ui64_to_f16.c
new file mode 100644
index 0000000..c5d00f1
--- /dev/null
+++ b/ext/softfloat/ui64_to_f16.c
@@ -0,0 +1,65 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All Rights Reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float16_t ui64_to_f16( uint64_t a )
+{
+ int_fast8_t shiftDist;
+ union ui16_f16 u;
+ uint_fast16_t sig;
+
+ shiftDist = softfloat_countLeadingZeros64( a ) - 53;
+ if ( 0 <= shiftDist ) {
+ u.ui =
+ a ? packToF16UI(
+ 0, 0x18 - shiftDist, (uint_fast16_t) a<<shiftDist )
+ : 0;
+ return u.f;
+ } else {
+ shiftDist += 4;
+ sig =
+ (shiftDist < 0) ? softfloat_shortShiftRightJam64( a, -shiftDist )
+ : (uint_fast16_t) a<<shiftDist;
+ return softfloat_roundPackToF16( 0, 0x1C - shiftDist, sig );
+ }
+
+}
+
diff --git a/ext/softfloat/ui64_to_f32.c b/ext/softfloat/ui64_to_f32.c
new file mode 100644
index 0000000..bfc9a25
--- /dev/null
+++ b/ext/softfloat/ui64_to_f32.c
@@ -0,0 +1,65 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
+California. All Rights Reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float32_t ui64_to_f32( uint64_t a )
+{
+ int_fast8_t shiftDist;
+ union ui32_f32 u;
+ uint_fast32_t sig;
+
+ shiftDist = softfloat_countLeadingZeros64( a ) - 40;
+ if ( 0 <= shiftDist ) {
+ u.ui =
+ a ? packToF32UI(
+ 0, 0x95 - shiftDist, (uint_fast32_t) a<<shiftDist )
+ : 0;
+ return u.f;
+ } else {
+ shiftDist += 7;
+ sig =
+ (shiftDist < 0) ? softfloat_shortShiftRightJam64( a, -shiftDist )
+ : (uint_fast32_t) a<<shiftDist;
+ return softfloat_roundPackToF32( 0, 0x9C - shiftDist, sig );
+ }
+
+}
+
diff --git a/ext/softfloat/ui64_to_f64.c b/ext/softfloat/ui64_to_f64.c
new file mode 100644
index 0000000..7bc606e
--- /dev/null
+++ b/ext/softfloat/ui64_to_f64.c
@@ -0,0 +1,60 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All Rights Reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+
+#include "internals.h"
+#include "platform.h"
+#include "softfloat.h"
+
+float64_t ui64_to_f64( uint64_t a )
+{
+ union ui64_f64 uZ;
+
+ if ( ! a ) {
+ uZ.ui = 0;
+ return uZ.f;
+ }
+ if ( a & UINT64_C( 0x8000000000000000 ) ) {
+ return
+ softfloat_roundPackToF64(
+ 0, 0x43D, softfloat_shortShiftRightJam64( a, 1 ) );
+ } else {
+ return softfloat_normRoundPackToF64( 0, 0x43C, a );
+ }
+
+}
+
