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gateDelay error on NaN dcalc var 

Signed-off-by: James Cherry <cherry@parallaxsw.com>
This commit is contained in:
James Cherry 2022-09-22 11:45:10 -07:00
parent 74b5e32cf6
commit b819c4d429
1 changed files with 3 additions and 0 deletions
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3
dcalc/LumpedCapDelayCalc.cc
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@ -163,6 +163,9 @@ LumpedCapDelayCalc::gateDelay(const LibertyCell *drvr_cell,
ArcDelay gate_delay1;
Slew drvr_slew1;
float in_slew1 = delayAsFloat(in_slew);
// NaNs cause seg faults during table lookup.
if (isnan(load_cap) || isnan(related_out_cap) || isnan(in_slew))
report_->error(705, "gate delay input variable is NaN");
model->gateDelay(drvr_cell, pvt, in_slew1, load_cap, related_out_cap,
pocv_enabled_, gate_delay1, drvr_slew1);
gate_delay = gate_delay1;