sc_time.cc (12927:6be191c20575) sc_time.cc (12983:fb1f462ae89e)
1/*
2 * Copyright 2018 Google, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer;
8 * redistributions in binary form must reproduce the above copyright

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28 */
29
30#include "base/logging.hh"
31#include "systemc/ext/core/sc_time.hh"
32
33namespace sc_core
34{
35
1/*
2 * Copyright 2018 Google, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer;
8 * redistributions in binary form must reproduce the above copyright

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28 */
29
30#include "base/logging.hh"
31#include "systemc/ext/core/sc_time.hh"
32
33namespace sc_core
34{
35
36sc_time::sc_time()
36namespace
37{
37{
38 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
39}
40
38
41sc_time::sc_time(double, sc_time_unit)
39const char *TimeUnitNames[] = {
40 [SC_FS] = "fs",
41 [SC_PS] = "ps",
42 [SC_NS] = "ns",
43 [SC_US] = "us",
44 [SC_MS] = "ms",
45 [SC_SEC] = "s"
46};
47
48double TimeUnitScale[] = {
49 [SC_FS] = 1.0e-15,
50 [SC_PS] = 1.0e-12,
51 [SC_NS] = 1.0e-9,
52 [SC_US] = 1.0e-6,
53 [SC_MS] = 1.0e-3,
54 [SC_SEC] = 1.0
55};
56
57} // anonymous namespace
58
59sc_time::sc_time() : val(0) {}
60
61sc_time::sc_time(double d, sc_time_unit tu)
42{
62{
43 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
63 val = 0;
64 if (d != 0) {
65 //XXX Assuming the time resolution is 1ps.
66 double scale = TimeUnitScale[tu] / TimeUnitScale[SC_PS];
67 // Accellera claims there is a linux bug, and that these next two
68 // lines work around them.
69 volatile double tmp = d * scale + 0.5;
70 val = static_cast<uint64_t>(tmp);
71 }
44}
45
72}
73
46sc_time::sc_time(const sc_time &)
74sc_time::sc_time(const sc_time &t)
47{
75{
48 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
76 val = t.val;
49}
50
51sc_time::sc_time(double, bool)
52{
53 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
54}
55
56sc_time::sc_time(sc_dt::uint64, bool)
57{
58 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
59}
60
61sc_time &
77}
78
79sc_time::sc_time(double, bool)
80{
81 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
82}
83
84sc_time::sc_time(sc_dt::uint64, bool)
85{
86 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
87}
88
89sc_time &
62sc_time::operator = (const sc_time &)
90sc_time::operator = (const sc_time &t)
63{
91{
64 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
92 val = t.val;
65 return *this;
66}
67
68sc_dt::uint64
69sc_time::value() const
70{
93 return *this;
94}
95
96sc_dt::uint64
97sc_time::value() const
98{
71 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
72 return 0;
99 return val;
73}
74
75double
76sc_time::to_double() const
77{
78 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
79 return 0.0;
80}

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88const std::string
89sc_time::to_string() const
90{
91 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
92 return "";
93}
94
95bool
100}
101
102double
103sc_time::to_double() const
104{
105 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
106 return 0.0;
107}

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115const std::string
116sc_time::to_string() const
117{
118 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
119 return "";
120}
121
122bool
96sc_time::operator == (const sc_time &) const
123sc_time::operator == (const sc_time &t) const
97{
124{
98 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
99 return true;
125 return val == t.val;
100}
101
102bool
126}
127
128bool
103sc_time::operator != (const sc_time &) const
129sc_time::operator != (const sc_time &t) const
104{
130{
105 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
106 return false;
131 return val != t.val;
107}
108
109bool
132}
133
134bool
110sc_time::operator < (const sc_time &) const
135sc_time::operator < (const sc_time &t) const
111{
136{
112 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
113 return false;
137 return val < t.val;
114}
115
116bool
138}
139
140bool
117sc_time::operator <= (const sc_time &) const
141sc_time::operator <= (const sc_time &t) const
118{
142{
119 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
120 return true;
143 return val <= t.val;
121}
122
123bool
144}
145
146bool
124sc_time::operator > (const sc_time &) const
147sc_time::operator > (const sc_time &t) const
125{
148{
126 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
127 return false;
149 return val > t.val;
128}
129
130bool
150}
151
152bool
131sc_time::operator >= (const sc_time &) const
153sc_time::operator >= (const sc_time &t) const
132{
154{
133 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
134 return true;
155 return val >= t.val;
135}
136
137sc_time &
156}
157
158sc_time &
138sc_time::operator += (const sc_time &)
159sc_time::operator += (const sc_time &t)
139{
160{
140 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
161 val += t.val;
141 return *this;
142}
143
144sc_time &
162 return *this;
163}
164
165sc_time &
145sc_time::operator -= (const sc_time &)
166sc_time::operator -= (const sc_time &t)
146{
167{
147 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
168 val -= t.val;
148 return *this;
149}
150
151sc_time &
152sc_time::operator *= (double)
153{
154 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
155 return *this;
156}
157
158sc_time &
159sc_time::operator /= (double)
160{
161 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
162 return *this;
163}
164
165void
169 return *this;
170}
171
172sc_time &
173sc_time::operator *= (double)
174{
175 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
176 return *this;
177}
178
179sc_time &
180sc_time::operator /= (double)
181{
182 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
183 return *this;
184}
185
186void
166sc_time::print(std::ostream &) const
187sc_time::print(std::ostream &os) const
167{
188{
168 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
189 if (val == 0) {
190 os << "0 s";
191 } else {
192 //XXX Assuming the time resolution is 1ps.
193 sc_time_unit tu = SC_PS;
194 uint64_t scaled = val;
195 while (tu < SC_SEC && (scaled % 1000) == 0) {
196 tu = (sc_time_unit)((int)tu + 1);
197 scaled /= 1000;
198 }
199
200 os << scaled << ' ' << TimeUnitNames[tu];
201 }
169}
170
171sc_time
202}
203
204sc_time
172sc_time::from_value(sc_dt::uint64)
205sc_time::from_value(sc_dt::uint64 u)
173{
206{
174 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
175 return sc_time();
207 sc_time t;
208 t.val = u;
209 return t;
176}
177
178sc_time
179sc_time::from_seconds(double)
180{
181 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
182 return sc_time();
183}

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227double
228operator / (const sc_time &, const sc_time &)
229{
230 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
231 return 0.0;
232}
233
234std::ostream &
210}
211
212sc_time
213sc_time::from_seconds(double)
214{
215 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
216 return sc_time();
217}

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261double
262operator / (const sc_time &, const sc_time &)
263{
264 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
265 return 0.0;
266}
267
268std::ostream &
235operator << (std::ostream &os, const sc_time &)
269operator << (std::ostream &os, const sc_time &t)
236{
270{
237 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
271 t.print(os);
238 return os;
239}
240
241const sc_time SC_ZERO_TIME;
242
243void
244sc_set_time_resolution(double, sc_time_unit)
245{

--- 71 unchanged lines hidden --- 		272 return os;
273}
274
275const sc_time SC_ZERO_TIME;
276
277void
278sc_set_time_resolution(double, sc_time_unit)
279{

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