sc_time.cc (13149:91e215a2da78) sc_time.cc (13151:5ce517287782)
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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366 return os;
367}
368
369const sc_time SC_ZERO_TIME;
370
371void
372sc_set_time_resolution(double d, sc_time_unit tu)
373{
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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366 return os;
367}
368
369const sc_time SC_ZERO_TIME;
370
371void
372sc_set_time_resolution(double d, sc_time_unit tu)
373{
374 if (d < 0.0) {
374 if (d <= 0.0) {
375 SC_REPORT_ERROR("(E514) set time resolution failed",
376 "value not positive");
377 }
378 double dummy;
379 if (modf(log10(d), &dummy) != 0.0) {
380 SC_REPORT_ERROR("(E514) set time resolution failed",
381 "value not a power of ten");
382 }

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421{
422 static const sc_time MaxScTime = sc_time::from_value(MaxTick);
423 return MaxScTime;
424}
425
426void
427sc_set_default_time_unit(double d, sc_time_unit tu)
428{
375 SC_REPORT_ERROR("(E514) set time resolution failed",
376 "value not positive");
377 }
378 double dummy;
379 if (modf(log10(d), &dummy) != 0.0) {
380 SC_REPORT_ERROR("(E514) set time resolution failed",
381 "value not a power of ten");
382 }

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421{
422 static const sc_time MaxScTime = sc_time::from_value(MaxTick);
423 return MaxScTime;
424}
425
426void
427sc_set_default_time_unit(double d, sc_time_unit tu)
428{
429 if (d < 0.0) {
430 SC_REPORT_ERROR("(E515) set default time unit failed",
431 "value not positive");
432 }
433 double dummy;
434 if (modf(log10(d), &dummy) != 0.0) {
435 SC_REPORT_ERROR("(E515) set default time unit failed",
436 "value not a power of ten");
437 }
438 if (sc_is_running()) {
439 SC_REPORT_ERROR("(E515) set default time unit failed",
440 "simulation running");
441 }
442 static bool specified = false;
443 if (specified) {
444 SC_REPORT_ERROR("(E515) set default time unit failed",
445 "already specified");
446 }
447 // This won't detect the timescale being fixed outside of systemc, but
448 // it's at least some protection.
449 if (timeFixed) {
450 SC_REPORT_ERROR("(E515) set default time unit failed",
451 "sc_time object(s) constructed");
452 }
453
454 // Normalize d to seconds.
429 defaultUnit = d * TimeUnitScale[tu];
455 defaultUnit = d * TimeUnitScale[tu];
456 specified = true;
430}
431
432sc_time
433sc_get_default_time_unit()
434{
435 return sc_time(defaultUnit, SC_SEC);
436}
437

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458
459sc_time
460sc_get_default_time_unit()
461{
462 return sc_time(defaultUnit, SC_SEC);
463}
464

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