fx_float_limits_double.cpp revision 12855:588919e0e4aa
1/***************************************************************************** 2 3 Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 4 more contributor license agreements. See the NOTICE file distributed 5 with this work for additional information regarding copyright ownership. 6 Accellera licenses this file to you under the Apache License, Version 2.0 7 (the "License"); you may not use this file except in compliance with the 8 License. You may obtain a copy of the License at 9 10 http://www.apache.org/licenses/LICENSE-2.0 11 12 Unless required by applicable law or agreed to in writing, software 13 distributed under the License is distributed on an "AS IS" BASIS, 14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 15 implied. See the License for the specific language governing 16 permissions and limitations under the License. 17 18 *****************************************************************************/ 19 20/***************************************************************************** 21 22 fx_float_limits_double.cpp -- 23 24 Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 25 26 *****************************************************************************/ 27 28/***************************************************************************** 29 30 MODIFICATION LOG - modifiers, enter your name, affiliation, date and 31 changes you are making here. 32 33 Name, Affiliation, Date: 34 Description of Modification: 35 36 *****************************************************************************/ 37 38// This may look like C code, but it is really -*- C++ -*- 39// 40// fx_float_limits.cxx -- 41// Copyright Synopsys 1998 42// Author : Ric Hilderink 43// Created On : Fri Jan 8 14:31:37 1999 44// Status : none 45// 46 47 48#include <limits.h> 49#include <float.h> 50#include <math.h> 51#define SC_INCLUDE_FX 52#include "systemc.h" 53 54#define SHOW(a) out << #a << " : " << a.to_string(SC_HEX) << "\n" 55#define SHOW_EXP(a) { res = a; out << #a << " : " << res.to_string(SC_HEX) << "\n"; } 56 57 58#define SHOW_EXPRS(a, b) \ 59 SHOW_EXP(a b zero_min); \ 60 SHOW_EXP(a b zero_plus); \ 61 SHOW_EXP(a b zero); \ 62 SHOW_EXP(a b nan); \ 63 SHOW_EXP(a b inf_plus); \ 64 SHOW_EXP(a b inf_min); \ 65 SHOW_EXP(a b inf); \ 66 SHOW_EXP(a b long_max); \ 67 SHOW_EXP(a b long_min); \ 68 SHOW_EXP(a b int_max); \ 69 SHOW_EXP(a b int_min); \ 70 SHOW_EXP(a b uint_max); \ 71 SHOW_EXP(a b ulong_max); \ 72 SHOW_EXP(a b double_min); \ 73 SHOW_EXP(a b double_max); \ 74 SHOW_EXP(a b float_min); \ 75 SHOW_EXP(a b float_max); 76 77#define SHOW_EXPS(a) \ 78 SHOW_EXPRS(a, /) \ 79 SHOW_EXPRS(a, *) \ 80 SHOW_EXPRS(a, +) \ 81 SHOW_EXPRS(a, -) \ 82 SHOW_EXPRS(a, >) \ 83 SHOW_EXPRS(a, <) \ 84 SHOW_EXPRS(a, >=) \ 85 SHOW_EXPRS(a, <=) \ 86 SHOW_EXPRS(a, ==) \ 87 SHOW_EXPRS(a, !=) \ 88 SHOW_EXPRS(a, * a *) 89 90 91void test_fx_float_limits_double(ostream& out) 92{ 93 out << "****************** limits fx_float_double\n"; 94 95 sc_fxval zero_min("-0"); SHOW(zero_min); 96 sc_fxval zero_plus("+0"); SHOW(zero_plus); 97 sc_fxval zero(0); SHOW(zero); 98 99 sc_fxval nan("NaN"); SHOW(nan); 100 sc_fxval inf_plus("+Inf"); SHOW(inf_plus); 101 sc_fxval inf_min("-Inf"); SHOW(inf_min); 102 sc_fxval inf("Inf"); SHOW(inf); 103 104 sc_fxval long_max(LONG_MAX); SHOW(long_max); 105 sc_fxval long_min(LONG_MIN); SHOW(long_min); 106 sc_fxval int_max(INT_MAX); SHOW(int_max); 107 sc_fxval int_min(INT_MIN); SHOW(int_min); 108 sc_fxval uint_max(UINT_MAX); SHOW(uint_max); 109 sc_fxval ulong_max(ULONG_MAX); SHOW(ulong_max); 110 111 sc_fxval double_min(DBL_MIN); SHOW(double_min); 112 sc_fxval double_max(DBL_MAX); SHOW(double_max); 113 sc_fxval float_min(FLT_MIN); SHOW(float_min); 114 sc_fxval float_max(FLT_MAX); SHOW(float_max); 115 116 sc_fxval res; 117 118 SHOW_EXPS(double_min); 119 SHOW_EXPS(double_max); 120 SHOW_EXPS(float_min); 121 SHOW_EXPS(float_max); 122 123 124 SHOW_EXP(double_min / nan); 125} 126