You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
2.1 KiB
97 lines
2.1 KiB
/**********
|
|
Copyright 1990 Regents of the University of California. All rights reserved.
|
|
Author: 1988 Jaijeet S Roychowdhury
|
|
**********/
|
|
|
|
#include "ngspice/ngspice.h"
|
|
#include "ngspice/ifsim.h"
|
|
#include "ngspice/iferrmsg.h"
|
|
#include "ngspice/cktdefs.h"
|
|
#include "ngspice/distodef.h"
|
|
|
|
#include "analysis.h"
|
|
|
|
/* ARGSUSED */
|
|
int
|
|
DsetParm(CKTcircuit *ckt, JOB *anal, int which, IFvalue *value)
|
|
{
|
|
DISTOAN *job = (DISTOAN *) anal;
|
|
|
|
NG_IGNORE(ckt);
|
|
|
|
switch(which) {
|
|
|
|
case D_START:
|
|
if (value->rValue <= 0.0) {
|
|
errMsg = copy("Frequency of 0 is invalid");
|
|
job->DstartF1 = 1.0;
|
|
return(E_PARMVAL);
|
|
}
|
|
|
|
job->DstartF1 = value->rValue;
|
|
break;
|
|
|
|
case D_STOP:
|
|
if (value->rValue <= 0.0) {
|
|
errMsg = copy("Frequency of 0 is invalid");
|
|
job->DstartF1 = 1.0;
|
|
return(E_PARMVAL);
|
|
}
|
|
|
|
job->DstopF1 = value->rValue;
|
|
break;
|
|
|
|
case D_STEPS:
|
|
job->DnumSteps = value->iValue;
|
|
break;
|
|
|
|
case D_DEC:
|
|
job->DstepType = DECADE;
|
|
break;
|
|
|
|
case D_OCT:
|
|
job->DstepType = OCTAVE;
|
|
break;
|
|
|
|
case D_LIN:
|
|
job->DstepType = LINEAR;
|
|
break;
|
|
|
|
case D_F2OVRF1:
|
|
job->Df2ovrF1 = value->rValue;
|
|
job->Df2wanted = 1;
|
|
break;
|
|
|
|
default:
|
|
return(E_BADPARM);
|
|
}
|
|
return(OK);
|
|
}
|
|
|
|
|
|
static IFparm Dparms[] = {
|
|
{ "start", D_START, IF_SET|IF_REAL, "starting frequency" },
|
|
{ "stop", D_STOP, IF_SET|IF_REAL, "ending frequency" },
|
|
{ "numsteps", D_STEPS, IF_SET|IF_INTEGER, "number of frequencies" },
|
|
{ "dec", D_DEC, IF_SET|IF_FLAG, "step by decades" },
|
|
{ "oct", D_OCT, IF_SET|IF_FLAG, "step by octaves" },
|
|
{ "lin", D_LIN, IF_SET|IF_FLAG, "step linearly" },
|
|
{ "f2overf1", D_F2OVRF1, IF_SET|IF_REAL, "ratio of F2 to F1" },
|
|
};
|
|
|
|
SPICEanalysis DISTOinfo = {
|
|
{
|
|
"DISTO",
|
|
"Small signal distortion analysis",
|
|
|
|
NUMELEMS(Dparms),
|
|
Dparms
|
|
},
|
|
sizeof(DISTOAN),
|
|
FREQUENCYDOMAIN,
|
|
1,
|
|
DsetParm,
|
|
DaskQuest,
|
|
NULL,
|
|
DISTOan
|
|
};
|