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79 lines
2.5 KiB
79 lines
2.5 KiB
/**********
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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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/* load the inductor structure with those pointers needed later
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* for fast matrix loading
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*/
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#include "ngspice/ngspice.h"
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#include "ngspice/ifsim.h"
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#include "ngspice/smpdefs.h"
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#include "ngspice/cktdefs.h"
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#include "inddefs.h"
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#include "ngspice/sperror.h"
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#include "ngspice/suffix.h"
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#ifdef MUTUAL
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/*ARGSUSED*/
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int
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MUTsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt, int *states)
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{
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MUTmodel *model = (MUTmodel*)inModel;
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MUTinstance *here;
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int ktype;
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NG_IGNORE(states);
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/* loop through all the inductor models */
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for( ; model != NULL; model = model->MUTnextModel ) {
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/* loop through all the instances of the model */
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for (here = model->MUTinstances; here != NULL ;
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here=here->MUTnextInstance) {
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ktype = CKTtypelook("Inductor");
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if(ktype <= 0) {
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SPfrontEnd->IFerror (ERR_PANIC,
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"mutual inductor, but inductors not available!",
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NULL);
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return(E_INTERN);
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}
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// assert(third);
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here->MUTind1 = (INDinstance *) CKTfndDev(ckt, NULL, (GENinstance **) &(here->MUTind1), here->MUTindName1);
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if (!here->MUTind1) {
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IFuid namarray[2];
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namarray[0]=here->MUTname;
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namarray[1]=here->MUTindName1;
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SPfrontEnd->IFerror (ERR_WARNING,
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"%s: coupling to non-existant inductor %s.",
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namarray);
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}
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// assert(third);
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here->MUTind2 = (INDinstance *) CKTfndDev(ckt, NULL, (GENinstance **) &(here->MUTind2), here->MUTindName2);
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if (!here->MUTind2) {
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IFuid namarray[2];
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namarray[0]=here->MUTname;
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namarray[1]=here->MUTindName2;
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SPfrontEnd->IFerror (ERR_WARNING,
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"%s: coupling to non-existant inductor %s.",
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namarray);
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}
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/* macro to make elements with built in test for out of memory */
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#define TSTALLOC(ptr,first,second) \
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do { if((here->ptr = SMPmakeElt(matrix, here->first, here->second)) == NULL){\
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return(E_NOMEM);\
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} } while(0)
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TSTALLOC(MUTbr1br2,MUTind1->INDbrEq,MUTind2->INDbrEq);
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TSTALLOC(MUTbr2br1,MUTind2->INDbrEq,MUTind1->INDbrEq);
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}
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}
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return(OK);
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}
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#endif /* MUTUAL */
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