51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/**********
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Copyright 1990 Regents of the University of California. All rights reserved.
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Author: 1985 Thomas L. Quarles
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**********/
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#include "ngspice.h"
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#include <stdio.h>
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#include "cktdefs.h"
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#include "complex.h"
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#include "sperror.h"
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#include "vsrcdefs.h"
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#include "suffix.h"
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/* ARGSUSED */
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int
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VSRCpzLoad(inModel,ckt,s)
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GENmodel *inModel;
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CKTcircuit *ckt;
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SPcomplex *s;
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{
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register VSRCmodel *model = (VSRCmodel *)inModel;
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register VSRCinstance *here;
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for( ; model != NULL; model = model->VSRCnextModel ) {
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/* loop through all the instances of the model */
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for (here = model->VSRCinstances; here != NULL ;
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here=here->VSRCnextInstance) {
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if (here->VSRCowner != ARCHme) continue;
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if (!(here->VSRCacGiven)) {
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/*a dc source*/
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/*the connecting nodes are shorted*/
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*(here->VSRCposIbrptr) += 1.0 ;
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*(here->VSRCnegIbrptr) += -1.0 ;
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*(here->VSRCibrPosptr) += 1.0 ;
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*(here->VSRCibrNegptr) += -1.0 ;
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} else {
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/*an ac source*/
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/*no effective contribution
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*diagonal element made 1
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*/
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*(here->VSRCposIbrptr) += 1.0 ;
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*(here->VSRCnegIbrptr) += -1.0 ;
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*(here->VSRCibrIbrptr) += 1.0 ;
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}
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}
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}
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return(OK);
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}
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