sgen *
sgen_init(CKTcircuit *ckt, int is_dc)
{
sgen *sg;
sg = TMALLOC(sgen, 1);
sg->param = 99999;
sg->is_instparam = 0;
sg->dev = -1;
sg->istate = 0;
sg->ckt = ckt;
sg->devlist = ckt->CKThead;
sg->instance = sg->first_instance = sg->next_instance = NULL;
sg->model = sg->next_model = NULL;
sg->ptable = NULL;
sg->is_dc = is_dc;
sg->is_principle = 0;
sg->is_q = 0;
sg->is_zerook = 0;
sg->value = 0.0;
sgen_next(&sg); /* get the ball rolling XXX check return val? */
return sg;
}
int sens_sens(CKTcircuit *ckt, int restart)
{
SENS_AN *sen_info = ((SENS_AN *) ckt->CKTcurJob);
static int size;
static double *delta_I, *delta_iI,
*delta_I_delta_Y, *delta_iI_delta_Y;
sgen *sg;
static double freq;
static int nfreqs;
static int i;
static SMPmatrix *delta_Y = NULL, *Y;
static double step_size;
double *E, *iE;
IFvalue value, nvalue;
double *output_values;
IFcomplex *output_cvalues;
double delta_var;
int (*fn)( );
static int is_dc;
int k, j, n;
int num_vars, branch_eq;
char *sen_data;
char namebuf[513];
IFuid *output_names, freq_name;
int bypass;
int type;
#ifndef notdef
double *save_states[8];
#ifdef notdef
for (sg = sgen_init(ckt, 0); sg; sgen_next(&sg)) {
if (sg->is_instparam)
printf("%s:%s:%s -> param %s\n",
DEVices[sg->dev]->DEVpublic.name,
sg->model->GENmodName,
sg->instance->GENname,
sg->ptable[sg->param].keyword);
else
printf("%s:%s:%s -> mparam %s\n",
DEVices[sg->dev]->DEVpublic.name,
sg->model->GENmodName,
sg->instance->GENname,
sg->ptable[sg->param].keyword);
}
#endif
#ifdef ASDEBUG
DEBUG(1)
printf(">>> restart : %d\n", restart);
#endif
/* get to work */
restart = 1;
if (restart) {
freq = 0.0;
is_dc = (sen_info->step_type == SENS_DC);
nfreqs = count_steps(sen_info->step_type, sen_info->start_freq,
sen_info->stop_freq, sen_info->n_freq_steps,
&step_size);
if (!is_dc)
freq = sen_info->start_freq;
error = CKTop(ckt,
(ckt->CKTmode & MODEUIC) | MODEDCOP | MODEINITJCT,
(ckt->CKTmode & MODEUIC) | MODEDCOP | MODEINITFLOAT,
ckt->CKTdcMaxIter);
#ifdef notdef
ckt->CKTmode = (ckt->CKTmode & MODEUIC)
| MODEDCOP | MODEINITSMSIG;
#endif
if (error)
return error;
size = spGetSize(ckt->CKTmatrix, 1);
/* Create the perturbation matrix */
/* XXX check error return, '1' is complex -- necessary?
* only in ac */
delta_Y = spCreate(size, !is_dc, &error);
size += 1;
/* Create an extra rhs */
delta_I = NEWN(double, size);
delta_iI = NEWN(double, size);
delta_I_delta_Y = NEWN(double, size);
delta_iI_delta_Y = NEWN(double, size);
num_vars = 0;
for (sg = sgen_init(ckt, is_dc); sg; sgen_next(&sg)) {
num_vars += 1;
}
if (!num_vars)
return OK; /* XXXX Should be E_ something */
k = 0;
output_names = NEWN(IFuid, num_vars);
for (sg = sgen_init(ckt, is_dc); sg; sgen_next(&sg)) {
if (!sg->is_instparam) {
sprintf(namebuf, "%s:%s",
sg->instance->GENname,
sg->ptable[sg->param].keyword);
} else if ((sg->ptable[sg->param].dataType
& IF_PRINCIPAL) && sg->is_principle == 1)
{
sprintf(namebuf, "%s", sg->instance->GENname);
} else {
sprintf(namebuf, "%s_%s",
sg->instance->GENname,
sg->ptable[sg->param].keyword);
}
(*SPfrontEnd->IFnewUid)((GENERIC *) ckt,
output_names + k, NULL,
namebuf, UID_OTHER, NULL);
k += 1;
}
if (is_dc) {
type = IF_REAL;
freq_name = NULL;
} else {
type = IF_COMPLEX;
(*SPfrontEnd->IFnewUid)((GENERIC *) ckt,
&freq_name, NULL,
"frequency", UID_OTHER, NULL);
}
error = (*SPfrontEnd->OUTpBeginPlot)((GENERIC *) ckt,
(GENERIC *) ckt->CKTcurJob,
ckt->CKTcurJob->JOBname, freq_name, IF_REAL, num_vars,
output_names, type, (GENERIC **) &sen_data);
if (error)
return error;
FREE(output_names);
if (is_dc) {
output_values = NEWN(double, num_vars);
output_cvalues = NULL;
} else {
output_values = NULL;
output_cvalues = NEWN(IFcomplex, num_vars);
if (sen_info->step_type != SENS_LINEAR)
(*(SPfrontEnd->OUTattributes))((GENERIC *)sen_data,
NULL, OUT_SCALE_LOG, NULL);
}
} else {
