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139 lines
4.7 KiB
139 lines
4.7 KiB
/**********
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Copyright 1990 Regents of the University of California. All rights reserved.
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Author: 1987 Thomas L. Quarles
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**********/
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/*
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* This routine gives access to the internal device parameters
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* of Current Controlled Voltage Source
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*/
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#include "ngspice.h"
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#include "cktdefs.h"
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#include "devdefs.h"
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#include "ifsim.h"
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#include "ccvsdefs.h"
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#include "sperror.h"
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#include "suffix.h"
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/* ARGSUSED */
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int
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CCVSask(CKTcircuit *ckt, GENinstance *inst, int which, IFvalue *value, IFvalue *select)
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{
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CCVSinstance *here = (CCVSinstance*)inst;
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double vr;
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double vi;
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double sr;
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double si;
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double vm;
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static char *msg = "Current and power not available for ac analysis";
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switch(which) {
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case CCVS_TRANS:
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value->rValue = here->CCVScoeff;
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return (OK);
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case CCVS_CONTROL:
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value->uValue = here->CCVScontName;
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return (OK);
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case CCVS_POS_NODE:
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value->iValue = here->CCVSposNode;
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return (OK);
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case CCVS_NEG_NODE:
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value->iValue = here->CCVSnegNode;
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return (OK);
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case CCVS_BR:
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value->iValue = here->CCVSbranch;
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return (OK);
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case CCVS_CONT_BR:
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value->iValue = here->CCVScontBranch;
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return (OK);
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case CCVS_CURRENT :
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if (ckt->CKTcurrentAnalysis & DOING_AC) {
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errMsg = MALLOC(strlen(msg)+1);
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errRtn = "CCVSask";
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strcpy(errMsg,msg);
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return(E_ASKCURRENT);
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} else {
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value->rValue = *(ckt->CKTrhsOld+here->CCVSbranch);
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}
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return(OK);
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case CCVS_VOLTS :
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value->rValue = (*(ckt->CKTrhsOld + here->CCVSposNode) -
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*(ckt->CKTrhsOld + here->CCVSnegNode));
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return(OK);
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case CCVS_POWER :
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if (ckt->CKTcurrentAnalysis & DOING_AC) {
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errMsg = MALLOC(strlen(msg)+1);
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errRtn = "CCVSask";
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strcpy(errMsg,msg);
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return(E_ASKPOWER);
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} else {
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value->rValue = *(ckt->CKTrhsOld + here->CCVSbranch)
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* (*(ckt->CKTrhsOld + here->CCVSposNode) -
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*(ckt->CKTrhsOld + here->CCVSnegNode));
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}
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return(OK);
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case CCVS_QUEST_SENS_DC:
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if(ckt->CKTsenInfo){
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value->rValue = *(ckt->CKTsenInfo->SEN_Sap[select->iValue + 1]+
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here->CCVSsenParmNo);
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}
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return(OK);
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case CCVS_QUEST_SENS_REAL:
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if(ckt->CKTsenInfo){
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value->rValue = *(ckt->CKTsenInfo->SEN_RHS[select->iValue + 1]+
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here->CCVSsenParmNo);
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}
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return(OK);
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case CCVS_QUEST_SENS_IMAG:
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if(ckt->CKTsenInfo){
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value->rValue = *(ckt->CKTsenInfo->SEN_iRHS[select->iValue + 1]+
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here->CCVSsenParmNo);
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}
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return(OK);
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case CCVS_QUEST_SENS_MAG:
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if(ckt->CKTsenInfo){
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vr = *(ckt->CKTrhsOld + select->iValue + 1);
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vi = *(ckt->CKTirhsOld + select->iValue + 1);
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vm = sqrt(vr*vr + vi*vi);
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if(vm == 0){
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value->rValue = 0;
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return(OK);
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}
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sr = *(ckt->CKTsenInfo->SEN_RHS[select->iValue + 1]+
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here->CCVSsenParmNo);
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si = *(ckt->CKTsenInfo->SEN_iRHS[select->iValue + 1]+
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here->CCVSsenParmNo);
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value->rValue = (vr * sr + vi * si)/vm;
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}
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return(OK);
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case CCVS_QUEST_SENS_PH:
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if(ckt->CKTsenInfo){
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vr = *(ckt->CKTrhsOld + select->iValue + 1);
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vi = *(ckt->CKTirhsOld + select->iValue + 1);
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vm = vr*vr + vi*vi;
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if(vm == 0){
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value->rValue = 0;
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return(OK);
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}
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sr = *(ckt->CKTsenInfo->SEN_RHS[select->iValue + 1]+
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here->CCVSsenParmNo);
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si = *(ckt->CKTsenInfo->SEN_iRHS[select->iValue + 1]+
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here->CCVSsenParmNo);
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value->rValue = (vr * si - vi * sr)/vm;
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}
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return(OK);
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case CCVS_QUEST_SENS_CPLX:
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if(ckt->CKTsenInfo){
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value->cValue.real=
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*(ckt->CKTsenInfo->SEN_RHS[select->iValue + 1]+
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here->CCVSsenParmNo);
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value->cValue.imag=
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*(ckt->CKTsenInfo->SEN_iRHS[select->iValue + 1]+
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here->CCVSsenParmNo);
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}
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return(OK);
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default:
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return (E_BADPARM);
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}
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/* NOTREACHED */
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}
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