fx_fix_limits_zero.cpp revision 12855:588919e0e4aa 
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20/*****************************************************************************
21
22  fx_fix_limits_zero.cpp --
23
24  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15
25
26 *****************************************************************************/
27
28/*****************************************************************************
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30  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
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33      Name, Affiliation, Date:
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37
38// This may look like C code, but it is really -*- C++ -*-
39//
40// fx_fix_limits.cxx --
41// Copyright Synopsys 1998
42// Author          : Ric Hilderink
43// Created On      : Fri Jan  8 14:30:41 1999
44// Status          : none
45//
46
47
48#include <limits.h>
49#include <float.h>
50#include <math.h>
51
52#define SC_INCLUDE_FX
53#include "systemc.h"
54#include "fx_precision_double.h"
55
56#define SHOW(a) out << #a << " : " << a.to_string(SC_HEX) << "\n"
57#define SHOW_EXP(a) { res = a; out << #a << " : " << res.to_string(SC_HEX) << "\n"; }
58
59
60#define SHOW_EXPRS(a, b) \
61  SHOW_EXP(a b zero_min);   \
62  SHOW_EXP(a b zero_plus);  \
63  SHOW_EXP(a b zero);       \
64  SHOW_EXP(a b long_max);   \
65  SHOW_EXP(a b long_min);   \
66  SHOW_EXP(a b int_max);    \
67  SHOW_EXP(a b int_min);    \
68  SHOW_EXP(a b uint_max);   \
69  SHOW_EXP(a b ulong_max);  \
70  SHOW_EXP(a b double_min); \
71  SHOW_EXP(a b double_max); \
72  SHOW_EXP(a b float_min);  \
73  SHOW_EXP(a b float_max);
74
75#define SHOW_EXPS(a) \
76  SHOW_EXPRS(a, /) \
77  SHOW_EXPRS(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, * a *)
87
88
89void test_fx_fix_limits_zero(ostream& out)
90{
91  out << "****************** limits fx_fix_zero\n";
92
93  sc_fix zero_min("-0");     SHOW(zero_min);
94  sc_fix zero_plus("+0");    SHOW(zero_plus);
95  sc_fix zero(0);            SHOW(zero);
96
97  sc_fix long_max(LONG_MAX); SHOW(long_max);
98  sc_fix long_min(LONG_MIN); SHOW(long_min);
99  sc_fix int_max(INT_MAX);   SHOW(int_max);
100  sc_fix int_min(INT_MIN);   SHOW(int_min);
101  sc_fix uint_max(UINT_MAX); SHOW(uint_max);
102  sc_fix ulong_max(ULONG_MAX); SHOW(ulong_max);
103
104  sc_fix double_min(DBL_MIN); SHOW(double_min);
105  sc_fix double_max(DBL_MAX); SHOW(double_max);
106  sc_fix float_min(FLT_MIN);  SHOW(float_min);
107  sc_fix float_max(FLT_MAX);  SHOW(float_max);
108
109  // sc_fix res;
110
111
112  // SHOW_EXPS(zero_min);
113  // SHOW_EXPS(zero_plus);
114  // SHOW_EXPS(zero);
115}
116