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Support IEEE time units and time precisions, #234. (#2253)

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Includes `timescale, $printtimescale, $timeformat.
VL_TIME_MULTIPLIER, VL_TIME_PRECISION, VL_TIME_UNIT have been removed
and the time precision must now match the SystemC time precision.
To get closer behavior to older versions, use e.g. --timescale-override
"1ps/1ps".
This commit is contained in:
Wilson Snyder
2020-04-15 19:39:03 -04:00
committed by GitHub
parent 9b8aebb00c
commit d4f7f5297a
131 changed files with 2611 additions and 1290 deletions
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include/verilated_vcd_c.cpp
+3 -1
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@@ -159,7 +159,6 @@ VerilatedVcd::VerilatedVcd(VerilatedVcdFile* filep)
m_fileNewed = (filep == NULL);
m_filep = m_fileNewed ? new VerilatedVcdFile : filep;
m_namemapp = NULL;
m_timeRes = m_timeUnit = 1e-9;
m_timeLastDump = 0;
m_sigs_oldvalp = NULL;
m_evcd = false;
@@ -171,6 +170,9 @@ VerilatedVcd::VerilatedVcd(VerilatedVcdFile* filep)
m_writep = m_wrBufp;
m_wroteBytes = 0;
m_suffixesp = NULL;
m_timeRes = m_timeUnit = 1e-9;
set_time_unit(Verilated::timeunitString());
set_time_resolution(Verilated::timeprecisionString());
}
void VerilatedVcd::open(const char* filename) {