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Prevent a crash when "portnum" is used in a voltage source without "z0".

This commit is contained in:
Giles Atkinson 2023-03-06 11:53:36 +00:00 committed by Holger Vogt
parent 8915d42241
commit ae6375c519
1 changed files with 8 additions and 3 deletions
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11
src/spicelib/devices/vsrc/vsrcpar.c
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@ -298,14 +298,19 @@ VSRCparam(int param, IFvalue *value, GENinstance *inst, IFvalue *select)
{ {
here->VSRCportNum = value->iValue; here->VSRCportNum = value->iValue;
here->VSRCportNumGiven = TRUE; here->VSRCportNumGiven = TRUE;
here->VSRCisPort = ((here->VSRCportNumGiven) && (here->VSRCportNum > 0) && (here->VSRCportZ0 > 0.0)); here->VSRCisPort = (here->VSRCportNum > 0);
if (here->VSRCportZ0 <= 0.0) {
here->VSRCportZ0 = 50;
here->VSRCVAmplitude =
sqrt(here->VSRCportPower * 4.0 * here->VSRCportZ0);
}
break; break;
} }
case VSRC_PORTZ0: case VSRC_PORTZ0:
{ {
here->VSRCportZ0 = value->rValue; here->VSRCportZ0 = value->rValue;
here->VSRCVAmplitude = sqrt(here->VSRCportPower * 4.0 * here->VSRCportZ0); here->VSRCVAmplitude =
here->VSRCisPort = ((here->VSRCportNumGiven) && (here->VSRCportNum > 0) && (here->VSRCportZ0 > 0.0)); sqrt(here->VSRCportPower * 4.0 * here->VSRCportZ0);
here->VSRCportZ0Given = TRUE; here->VSRCportZ0Given = TRUE;
break; break;
} }