operator_shift_both.cpp revision 12855:588919e0e4aa 
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10    http://www.apache.org/licenses/LICENSE-2.0
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20/*****************************************************************************
21
22  operator_shift_both.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.
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33      Name, Affiliation, Date:
34  Description of Modification:
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36 *****************************************************************************/
37
38// This may look like C code, but it is really -*- C++ -*-
39//
40// operator_shift_both.cxx --
41// Copyright Synopsys 1998
42// Author          : Ric Hilderink
43// Created On      : Fri Jan 15 14:08:43 1999
44// Status          : none
45//
46
47
48#include <limits.h>
49#define SC_INCLUDE_FX
50#include "systemc.h"
51
52
53
54#define T_FX_FLOAT  sc_fxval
55#define T_FX_UFIX   sc_ufix
56#define T_FX_FIX    sc_fix
57#define T_FX_FIXED  sc_fixed<T_WL, T_IWL>
58#define T_FX_UFIXED sc_ufixed<T_WL, T_IWL>
59
60#define SHOW(i, a) \
61  out << i << " : " << a.to_string(SC_BIN) << "\n";
62
63
64#define SHIFT_BOTH_OP(T_op)						      \
65{									      \
66  sc_fxtype_params fooc(T_WL, T_IWL, SC_TRN, SC_WRAP);		      \
67  									      \
68  T_op r(2); \
69  int i;								      \
70  for (i = 0; i < T_WL+10; ++i)						      \
71    {									      \
72      r -= 1;								      \
73      r >>= 1;								      \
74      SHOW(i, r);							      \
75    }									      \
76  r *= 1.010203;							      \
77  for (i = 0; i < T_WL+10; ++i)						      \
78    {									      \
79      r -= 1;								      \
80      r <<= 1;								      \
81      SHOW(i, r);							      \
82    }									      \
83}
84
85#define SHIFT_BOTH							      \
86SHIFT_BOTH_OP(T_FX_FLOAT)						      \
87SHIFT_BOTH_OP(T_FX_UFIX)						      \
88SHIFT_BOTH_OP(T_FX_FIX)							      \
89SHIFT_BOTH_OP(T_FX_FIXED)						      \
90SHIFT_BOTH_OP(T_FX_UFIXED)
91
92
93
94void operator_shift_both(ostream& out)
95{
96#define T_WL 26
97#define T_IWL 13
98  SHIFT_BOTH;
99#undef T_WL
100#undef T_IWL
101#define T_WL 130
102#define T_IWL 65
103  SHIFT_BOTH;
104#undef T_WL
105#undef T_IWL
106#define T_WL 300
107#define T_IWL 150
108  SHIFT_BOTH;
109}
110