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97 lines
2.8 KiB
97 lines
2.8 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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Modified: September 2003 Paolo Nenzi
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This function is obsolete (was used by an old sensitivity analysis)
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**********/
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/*
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*/
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/* actually load the current sensitivity
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* information into the array previously provided
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*/
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#include "ngspice/ngspice.h"
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#include "ngspice/cktdefs.h"
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#include "capdefs.h"
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#include "ngspice/trandefs.h"
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#include "ngspice/sperror.h"
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#include "ngspice/suffix.h"
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int
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CAPsLoad(GENmodel *inModel, CKTcircuit *ckt)
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{
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CAPmodel *model = (CAPmodel*)inModel;
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CAPinstance *here;
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int iparmno;
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double vcap;
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double Osxp;
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double tag0;
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double tag1;
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SENstruct *info;
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info = ckt->CKTsenInfo;
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if((info->SENmode == DCSEN) || (ckt->CKTmode&MODETRANOP))
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return( OK );
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if((info->SENmode == TRANSEN) && (ckt->CKTmode & MODEINITTRAN))
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return(OK);
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#ifdef SENSDEBUG
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printf("CKTtime = %.5e\n",ckt->CKTtime);
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printf("CAPsenload \n");
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#endif /* SENSDEBUG */
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tag0 = ckt->CKTag[0];
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tag1 = ckt->CKTag[1];
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if(ckt->CKTorder == 1){
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/* Euler Method */
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tag1 = 0; /* we treat tag1 as beta */
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}
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/* loop through all the capacitor models */
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for( ; model != NULL; model = CAPnextModel(model)) {
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/* loop through all the instances of the model */
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for (here = CAPinstances(model); here != NULL ;
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here=CAPnextInstance(here)) {
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#ifdef SENSDEBUG
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printf("senload instance name %s\n",here->CAPname);
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printf("pos = %d , neg = %d \n",here->CAPposNode ,here->CAPnegNode);
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#endif /* SENSDEBUG */
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vcap = *(ckt->CKTrhsOld+here->CAPposNode)
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- *(ckt->CKTrhsOld+here->CAPnegNode) ;
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for(iparmno=1;iparmno<=info->SENparms;iparmno++){
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Osxp = tag0 * *(ckt->CKTstate1 + here->CAPsensxp
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+ 2*(iparmno - 1))
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+ tag1 * *(ckt->CKTstate1 + here->CAPsensxp
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+ 2*(iparmno - 1) + 1);
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#ifdef SENSDEBUG
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printf("iparmno = %d\n",iparmno);
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printf("sxp = %.5e\n"
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,*(ckt->CKTstate1 + here->CAPsensxp + 2*(iparmno-1)));
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printf("sdotxp = %.5e\n",
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*(ckt->CKTstate1 + here->CAPsensxp + 2*(iparmno-1)+1));
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printf("Osxp = %.5e\n",Osxp);
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#endif /* SENSDEBUG */
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if(iparmno == here->CAPsenParmNo)
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Osxp = Osxp - tag0 * vcap;
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#ifdef SENSDEBUG
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printf("Osxp = %.5e\n",Osxp);
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#endif /* SENSDEBUG */
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*(info->SEN_RHS[here->CAPposNode] + iparmno) += Osxp;
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*(info->SEN_RHS[here->CAPnegNode] + iparmno) -= Osxp;
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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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