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3.2 KiB

/**********
Copyright 1990 Regents of the University of California. All rights reserved.
Author: 1985 Thomas L. Quarles
**********/
/* CKTspDump(ckt,freq,file)
* this is a simple program to dump the complex rhs vector
* into the rawfile.
*/
#include "ngspice/ngspice.h"
#include "ngspice/smpdefs.h"
#include "ngspice/cktdefs.h"
#include "ngspice/iferrmsg.h"
#include "ngspice/ifsim.h"
#include "vsrc/vsrcdefs.h"
#ifdef RFSPICE
unsigned int CKTmatrixIndex(CKTcircuit* ckt, unsigned int source, unsigned int dest)
{
return source * ckt->CKTportCount + dest;
};
int CKTspCalcSMatrix(CKTcircuit* ckt)
{
CMat* Ainv = cinverse(ckt->CKTAmat);
if (Ainv == NULL) return (E_NOMEM);
cmultiplydest(ckt->CKTBmat, Ainv, ckt->CKTSmat);
freecmat(Ainv);
return (OK);
}
int CKTspCalcPowerWave(CKTcircuit* ckt)
{
double* rhsold = ckt->CKTrhsOld;
double* irhsold = ckt->CKTirhsOld;
int col = ckt->CKTactivePort - 1;
for (unsigned int port = 0; port < ckt->CKTportCount; port++)
{
VSRCinstance* pSrc = (VSRCinstance*)(ckt->CKTrfPorts[port]);
int row = pSrc->VSRCportNum - 1;
double zi = pSrc->VSRCportZ0;
double iReal = -rhsold[pSrc->VSRCbranch];
double iImag = -irhsold[pSrc->VSRCbranch];
double vReal = rhsold[pSrc->VSRCposNode] - rhsold[pSrc->VSRCnegNode];
double vImag = irhsold[pSrc->VSRCposNode] - irhsold[pSrc->VSRCnegNode];
// Forward wave (a) of i-th port, real (r) and imag (i)
cplx a;
a.re = pSrc->VSRCki * (vReal + zi * iReal);
a.im = pSrc->VSRCki * (vImag + zi * iImag);
// Scattered wave (b) of i-th port, real (r) and imag (i)
cplx b;
b.re = pSrc->VSRCki * (vReal - zi * iReal);
b.im = pSrc->VSRCki * (vImag - zi * iImag);
// fill in A and B matrices
setc(ckt->CKTAmat, row, col, a);
setc(ckt->CKTBmat, row, col, b);
}
return (OK);
}
int
CKTspDump(CKTcircuit *ckt, double freq, runDesc *plot)
{
double *rhsold;
double *irhsold;
int i;
IFcomplex *data;
IFvalue freqData;
IFvalue valueData;
rhsold = ckt->CKTrhsOld;
irhsold = ckt->CKTirhsOld;
freqData.rValue = freq;
unsigned int extraSPdataCount = ckt->CKTportCount * ckt->CKTportCount;
valueData.v.numValue = ckt->CKTmaxEqNum - 1 + extraSPdataCount;
data = TMALLOC(IFcomplex, ckt->CKTmaxEqNum - 1 + extraSPdataCount);
valueData.v.vec.cVec = data;
for (i=0;i<ckt->CKTmaxEqNum-1;i++) {
data[i].real = rhsold[i+1];
data[i].imag = irhsold[i+1];
}
if (ckt->CKTrfPorts )
{
// Cycle thru all ports
for (unsigned int pdest = 0; pdest < ckt->CKTportCount; pdest++)
{
for (unsigned int psource = 0; psource < ckt->CKTportCount; psource++)
{
unsigned int nPlot = ckt->CKTmaxEqNum - 1 + CKTmatrixIndex(ckt, pdest, psource);
cplx sij = ckt->CKTSmat->d[pdest][psource];
data[nPlot].real = sij.re;
data[nPlot].imag = sij.im;
}
}
}
SPfrontEnd->OUTpData(plot, &freqData, &valueData);
FREE(data);
return(OK);
}
#endif