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analysis/acan.c, check for valid startfreq 

an 'ac dec' or 'ac oct' can not have a startfreq <= 0
This commit is contained in:
rlar 2018-01-18 18:01:25 +01:00
parent c5d8ad792e
commit c892b2d460
1 changed files with 8 additions and 0 deletions
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8
src/spicelib/analysis/acan.c
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@ -82,10 +82,18 @@ ACan(CKTcircuit *ckt, int restart)
switch (job->ACstepType) {
case DECADE:
if (job->ACstartFreq <= 0) {
fprintf(stderr, "ERROR: AC startfreq <= 0\n");
return E_PARMVAL;
}
job->ACfreqDelta =
exp(log(10.0)/job->ACnumberSteps);
break;
case OCTAVE:
if (job->ACstartFreq <= 0) {
fprintf(stderr, "ERROR: AC startfreq <= 0\n");
return E_PARMVAL;
}
job->ACfreqDelta =
exp(log(2.0)/job->ACnumberSteps);
break;