| |
| /*============================================================================ |
| |
| 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 <stdio.h> |
| #include <stdbool.h> |
| #include <stdint.h> |
| #include "platform.h" |
| #include "internals.h" |
| #include "specialize.h" |
| #include "softfloat.h" |
| |
| #define COMPARE_MAX(a, b, bits) \ |
| float ## bits ## _t f ## bits ## _max( float ## bits ## _t a, float ## bits ## _t b ) \ |
| { \ |
| bool greater = f ## bits ## _lt_quiet(b, a) || \ |
| (f ## bits ## _eq(b, a) && signF ## bits ## UI(b.v)); \ |
| \ |
| if (isNaNF ## bits ## UI(a.v) && isNaNF ## bits ## UI(b.v)) { \ |
| union ui ## bits ## _f ## bits ui; \ |
| ui.ui = defaultNaNF ## bits ## UI; \ |
| return ui.f; \ |
| } else { \ |
| return greater || isNaNF ## bits ## UI((b).v) ? a : b; \ |
| } \ |
| } |
| |
| #define COMPARE_MIN(a, b, bits) \ |
| float ## bits ## _t f ## bits ## _min( float ## bits ## _t a, float ## bits ## _t b ) \ |
| { \ |
| bool less = f ## bits ## _lt_quiet(a, b) || \ |
| (f ## bits ## _eq(a, b) && signF ## bits ## UI(a.v)); \ |
| \ |
| if (isNaNF ## bits ## UI(a.v) && isNaNF ## bits ## UI(b.v)) { \ |
| union ui ## bits ## _f ## bits ui; \ |
| ui.ui = defaultNaNF ## bits ## UI; \ |
| return ui.f; \ |
| } else { \ |
| return less || isNaNF ## bits ## UI((b).v) ? a : b; \ |
| } \ |
| } |
| |
| COMPARE_MAX(a, b, 16); |
| COMPARE_MAX(a, b, 32); |
| COMPARE_MAX(a, b, 64); |
| |
| COMPARE_MIN(a, b, 16); |
| COMPARE_MIN(a, b, 32); |
| COMPARE_MIN(a, b, 64); |