/*****************************************************************************

  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
  more contributor license agreements.  See the NOTICE file distributed
  with this work for additional information regarding copyright ownership.
  Accellera licenses this file to you under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with the
  License.  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  implied.  See the License for the specific language governing
  permissions and limitations under the License.

 *****************************************************************************/

/*****************************************************************************

  fx_float_limits_zero.cpp -- 

  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15

 *****************************************************************************/

/*****************************************************************************

  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
  changes you are making here.

      Name, Affiliation, Date:
  Description of Modification:

 *****************************************************************************/

// This may look like C code, but it is really -*- C++ -*-
// 
// fx_float_limits.cxx -- 
// Copyright Synopsys 1998
// Author          : Ric Hilderink
// Created On      : Fri Jan  8 14:31:37 1999
// Status          : none
// 


#include <limits.h>
#include <float.h>
#include <math.h>

#define SC_INCLUDE_FX
#include "systemc.h"
#include "fx_precision_double.h"

#define SHOW(a) out << #a << " : " << a.to_string(SC_HEX) << "\n"
#define SHOW_EXP(a) { res = a; out << #a << " : " << res.to_string(SC_HEX) << "\n"; }


#define SHOW_EXPRS(a, b) \
  SHOW_EXP(a b zero_min);   \
  SHOW_EXP(a b zero_plus);  \
  SHOW_EXP(a b zero);       \
  SHOW_EXP(a b nan);        \
  SHOW_EXP(a b inf_plus);   \
  SHOW_EXP(a b inf_min);    \
  SHOW_EXP(a b inf);        \
  SHOW_EXP(a b long_max);   \
  SHOW_EXP(a b long_min);   \
  SHOW_EXP(a b int_max);    \
  SHOW_EXP(a b int_min);    \
  SHOW_EXP(a b uint_max);   \
  SHOW_EXP(a b ulong_max);  \
  SHOW_EXP(a b double_min); \
  SHOW_EXP(a b double_max); \
  SHOW_EXP(a b float_min);  \
  SHOW_EXP(a b float_max);  

#define SHOW_EXPS(a) \
  SHOW_EXPRS(a, /) \
  SHOW_EXPRS(a, *) \
  SHOW_EXPRS(a, +) \
  SHOW_EXPRS(a, -) \
  SHOW_EXPRS(a, >)							      \
  SHOW_EXPRS(a, <)							      \
  SHOW_EXPRS(a, >=)							      \
  SHOW_EXPRS(a, <=)							      \
  SHOW_EXPRS(a, ==)							      \
  SHOW_EXPRS(a, !=)							      \
  SHOW_EXPRS(a, * a *)


void test_fx_float_limits_zero(ostream& out)
{
  cerr << "****************** limits fx_float_zero\n";

  sc_fxval zero_min("-0");     SHOW(zero_min);
  sc_fxval zero_plus("+0");    SHOW(zero_plus);
  sc_fxval zero(0);            SHOW(zero);
  
  sc_fxval nan("NaN");         SHOW(nan);
  sc_fxval inf_plus("+Inf");   SHOW(inf_plus);
  sc_fxval inf_min("-Inf");    SHOW(inf_min);
  sc_fxval inf("Inf");         SHOW(inf);

  sc_fxval long_max(LONG_MAX); SHOW(long_max);
  sc_fxval long_min(LONG_MIN); SHOW(long_min);
  sc_fxval int_max(INT_MAX);   SHOW(int_max);
  sc_fxval int_min(INT_MIN);   SHOW(int_min);
  sc_fxval uint_max(UINT_MAX); SHOW(uint_max);
  sc_fxval ulong_max(ULONG_MAX); SHOW(ulong_max);

  sc_fxval double_min(DBL_MIN); SHOW(double_min);
  sc_fxval double_max(DBL_MAX); SHOW(double_max);
  sc_fxval float_min(FLT_MIN);  SHOW(float_min);
  sc_fxval float_max(FLT_MAX);  SHOW(float_max);

  sc_fxval res;


  SHOW_EXPS(zero_min);
  SHOW_EXPS(zero_plus);
  SHOW_EXPS(zero);
}