ngspice/src/unsupported/cktsnld.c

70 lines
1.8 KiB
C

/**********
Copyright 1990 Regents of the University of California. All rights reserved.
Author: 1985 Thomas L. Quarles
**********/
/*
*/
/*
* CKTsenLoad(ckt)
* this is a driver program to iterate through all the various
* sensitivity load functions provided for the circuit elements
* in the given circuit
*/
#include "spice.h"
#include <stdio.h>
#include "smpdefs.h"
#include "cktdefs.h"
#include "devdefs.h"
#include "sperror.h"
#include "trandefs.h"
#include "suffix.h"
int
CKTsenLoad(ckt)
register CKTcircuit *ckt;
{
extern SPICEdev *DEVices[];
register int i;
int size,row,col;
int error;
size = SMPmatSize(ckt->CKTmatrix);
#ifdef SENSDEBUG
printf("CKTsenLoad\n");
#endif /* SENSDEBUG */
if((ckt->CKTsenInfo->SENmode == DCSEN)||
(ckt->CKTsenInfo->SENmode == TRANSEN)) {
for (col=0;col<=ckt->CKTsenInfo->SENparms;col++) {
for(row=0;row<=size;row++){
*(ckt->CKTsenInfo->SEN_RHS[row] + col)= 0;
}
}
for (i=0;i<DEVmaxnum;i++) {
if ( ((*DEVices[i]).DEVsenLoad != NULL) &&
(ckt->CKThead[i] != NULL) ){
error = (*((*DEVices[i]).DEVsenLoad))(ckt->CKThead[i],ckt);
if(error) return(error);
}
}
} else{
for (col=0;col<=ckt->CKTsenInfo->SENparms;col++) {
for(row=0;row<=size;row++){
*(ckt->CKTsenInfo->SEN_RHS[row] + col)= 0;
*(ckt->CKTsenInfo->SEN_iRHS[row] + col)= 0;
}
}
for (i=0;i<DEVmaxnum;i++) {
if ( ((*DEVices[i]).DEVsenAcLoad != NULL)
&& (ckt->CKThead[i] != NULL) ){
error = (*((*DEVices[i]).DEVsenAcLoad))(ckt->CKThead[i],ckt);
if(error) return(error);
}
}
}
return(OK);
}