You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
99 lines
2.1 KiB
99 lines
2.1 KiB
/**********
|
|
Copyright 1990 Regents of the University of California. All rights reserved.
|
|
**********/
|
|
|
|
/* CKTpzSetup(ckt)
|
|
* iterate through all the various
|
|
* pzSetup functions provided for the circuit elements in the
|
|
* given circuit, setup ...
|
|
*/
|
|
|
|
#include "ngspice.h"
|
|
#include "smpdefs.h"
|
|
#include "cktdefs.h"
|
|
#include "devdefs.h"
|
|
#include "sperror.h"
|
|
|
|
|
|
int
|
|
CKTpzSetup(CKTcircuit *ckt, int type)
|
|
{
|
|
extern SPICEdev **DEVices;
|
|
PZAN *pzan = (PZAN *) ckt->CKTcurJob;
|
|
SMPmatrix *matrix;
|
|
int error;
|
|
int i, temp, solution_col, balance_col;
|
|
int input_pos, input_neg, output_pos, output_neg;
|
|
|
|
NIdestroy(ckt);
|
|
error = NIinit(ckt);
|
|
if (error)
|
|
return(error);
|
|
matrix = ckt->CKTmatrix;
|
|
|
|
/* Really awful . . . */
|
|
ckt->CKTnumStates = 0;
|
|
|
|
for (i = 0; i < DEVmaxnum; i++) {
|
|
if (DEVices[i]->DEVpzSetup != NULL && ckt->CKThead[i] != NULL) {
|
|
error = (*DEVices[i]->DEVpzSetup)(matrix, ckt->CKThead[i],
|
|
ckt, &ckt->CKTnumStates);
|
|
if (error != OK)
|
|
return(error);
|
|
}
|
|
}
|
|
|
|
solution_col = 0;
|
|
balance_col = 0;
|
|
|
|
input_pos = pzan->PZin_pos;
|
|
input_neg = pzan->PZin_neg;
|
|
|
|
if (type == PZ_DO_ZEROS) {
|
|
/* Vo/Ii in Y */
|
|
output_pos = pzan->PZout_pos;
|
|
output_neg = pzan->PZout_neg;
|
|
} else if (pzan->PZinput_type == PZ_IN_VOL) {
|
|
/* Vi/Ii in Y */
|
|
output_pos = pzan->PZin_pos;
|
|
output_neg = pzan->PZin_neg;
|
|
} else {
|
|
/* Denominator */
|
|
output_pos = 0;
|
|
output_neg = 0;
|
|
input_pos = 0;
|
|
input_neg = 0;
|
|
}
|
|
|
|
if (output_pos) {
|
|
solution_col = output_pos;
|
|
if (output_neg)
|
|
balance_col = output_neg;
|
|
} else {
|
|
solution_col = output_neg;
|
|
temp = input_pos;
|
|
input_pos = input_neg;
|
|
input_neg = temp;
|
|
}
|
|
|
|
if (input_pos)
|
|
pzan->PZdrive_pptr = SMPmakeElt(matrix, input_pos, solution_col);
|
|
else
|
|
pzan->PZdrive_pptr = NULL;
|
|
|
|
if (input_neg)
|
|
pzan->PZdrive_nptr = SMPmakeElt(matrix, input_neg, solution_col);
|
|
else
|
|
pzan->PZdrive_nptr = NULL;
|
|
|
|
pzan->PZsolution_col = solution_col;
|
|
pzan->PZbalance_col = balance_col;
|
|
|
|
pzan->PZnumswaps = 1;
|
|
|
|
error = NIreinit(ckt);
|
|
if (error)
|
|
return(error);
|
|
|
|
return OK;
|
|
}
|