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51 lines
1.2 KiB
51 lines
1.2 KiB
/**********
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Copyright 1990 Regents of the University of California. All rights reserved.
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**********/
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#include "ngspice/ngspice.h"
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#include "ngspice/pzdefs.h"
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#include "ngspice/smpdefs.h"
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#include "ngspice/cktdefs.h"
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#include "ngspice/complex.h"
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#include "ngspice/devdefs.h"
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#include "ngspice/sperror.h"
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int
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CKTpzLoad(CKTcircuit *ckt, SPcomplex *s)
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{
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PZAN *job = (PZAN *) ckt->CKTcurJob;
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int error;
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int i;
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for (i = 0; i <= SMPmatSize(ckt->CKTmatrix); i++) {
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ckt->CKTrhs[i] = 0.0;
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ckt->CKTirhs[i] = 0.0;
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}
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SMPcClear(ckt->CKTmatrix);
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for (i = 0; i < DEVmaxnum; i++) {
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if (DEVices[i] && DEVices[i]->DEVpzLoad != NULL && ckt->CKThead[i] != NULL) {
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error = DEVices[i]->DEVpzLoad (ckt->CKThead[i], ckt, s);
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if(error) return(error);
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}
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}
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if (job->PZbalance_col && job->PZsolution_col) {
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SMPcAddCol(ckt->CKTmatrix, job->PZbalance_col, job->PZsolution_col);
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/* AC sources ?? XXX */
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}
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if (job->PZsolution_col) {
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SMPcZeroCol(ckt->CKTmatrix, job->PZsolution_col);
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}
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/* Driving function (current source) */
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if (job->PZdrive_pptr)
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*job->PZdrive_pptr = 1.0;
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if (job->PZdrive_nptr)
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*job->PZdrive_nptr = -1.0;
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return(OK);
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}
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