113 lines
2.3 KiB
C
113 lines
2.3 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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/* CKTsetup(ckt)
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* this is a driver program to iterate through all the various
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* setup functions provided for the circuit elements in the
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* given circuit
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*/
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#include "ngspice.h"
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#include <stdio.h>
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#include "smpdefs.h"
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#include "cktdefs.h"
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#include "devdefs.h"
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#include "sperror.h"
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#define CKALLOC(var,size,type) \
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if(size && (!(var =(type *)MALLOC((size)*sizeof(type))))){\
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return(E_NOMEM);\
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}
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extern SPICEdev *DEVices[];
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int
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CKTsetup(register CKTcircuit *ckt)
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{
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register int i;
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int error;
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register SMPmatrix *matrix;
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ckt->CKTnumStates=0;
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#ifdef WANT_SENSE2
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if(ckt->CKTsenInfo){
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if (error = CKTsenSetup(ckt)) return(error);
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}
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#endif
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if (ckt->CKTisSetup)
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return E_NOCHANGE;
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CKTpartition(ckt);
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error = NIinit(ckt);
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if (error) return(error);
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ckt->CKTisSetup = 1;
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matrix = ckt->CKTmatrix;
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for (i=0;i<DEVmaxnum;i++) {
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if ( ((*DEVices[i]).DEVsetup != NULL) && (ckt->CKThead[i] != NULL) ){
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error = (*((*DEVices[i]).DEVsetup))(matrix,ckt->CKThead[i],ckt,
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&ckt->CKTnumStates);
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if(error) return(error);
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}
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}
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for(i=0;i<=ckt->CKTmaxOrder+1;i++) {
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CKALLOC(ckt->CKTstates[i],ckt->CKTnumStates,double);
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}
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#ifdef WANT_SENSE2
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if(ckt->CKTsenInfo){
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/* to allocate memory to sensitivity structures if
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* it is not done before */
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error = NIsenReinit(ckt);
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if(error) return(error);
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}
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#endif
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if(ckt->CKTniState & NIUNINITIALIZED) {
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error = NIreinit(ckt);
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if(error) return(error);
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}
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return(OK);
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}
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int
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CKTunsetup(CKTcircuit *ckt)
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{
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int i, error, e2;
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error = OK;
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if (!ckt->CKTisSetup)
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return OK;
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for(i=0;i<=ckt->CKTmaxOrder+1;i++) {
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tfree(ckt->CKTstates[i]);
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}
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for (i=0;i<DEVmaxnum;i++) {
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if ( ((*DEVices[i]).DEVunsetup != NULL) && (ckt->CKThead[i] != NULL) ){
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e2 = (*((*DEVices[i]).DEVunsetup))(ckt->CKThead[i],ckt);
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if (!error && e2)
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error = e2;
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}
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}
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ckt->CKTisSetup = 0;
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if(error) return(error);
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NIdestroy(ckt);
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/*
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if (ckt->CKTmatrix)
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SMPdestroy(ckt->CKTmatrix);
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ckt->CKTmatrix = NULL;
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*/
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return OK;
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}
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