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90 lines
2.4 KiB
90 lines
2.4 KiB
/**********
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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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#include "ngspice/config.h"
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#include "ngspice/cktdefs.h"
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#include "ngspice/devdefs.h"
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#include "ngspice/sperror.h"
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#include "string.h"
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static GENinstance *
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find_instance(GENinstance *here, IFuid name)
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{
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for (; here; here = here->GENnextInstance)
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if (here->GENname == name)
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return here;
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return NULL;
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}
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int
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CKTfndDev(CKTcircuit *ckt, int *type, GENinstance **fast, IFuid name, GENmodel *modfast)
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{
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GENinstance *here;
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GENmodel *mods;
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/* we know the device instance `fast' */
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if (fast && *fast) {
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if (type)
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*type = (*fast)->GENmodPtr->GENmodType;
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return OK;
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}
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/* we know the model `modfast', but need to find the device instance */
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if (modfast) {
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here = find_instance(modfast->GENinstances, name);
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if (here) {
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if (fast)
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*fast = here;
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if (type)
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*type = modfast->GENmodType;
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return OK;
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}
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return E_NODEV;
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}
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/* we know device `type', but need to find model and device instance */
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if (*type >= 0 && *type < DEVmaxnum) {
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/* look through all models */
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for (mods = ckt->CKThead[*type]; mods ; mods = mods->GENnextModel) {
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/* and all instances */
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here = find_instance(mods->GENinstances, name);
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if (here) {
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if (fast)
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*fast = here;
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return OK;
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}
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if (mods->GENmodName == NULL)
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return E_NODEV;
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}
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return E_NOMOD;
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}
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/* we don't even know `type', search all of them */
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if (*type == -1) {
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for (*type = 0; *type < DEVmaxnum; (*type)++) {
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/* look through all models */
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for (mods = ckt->CKThead[*type]; mods; mods = mods->GENnextModel) {
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/* and all instances */
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here = find_instance(mods->GENinstances, name);
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if (here) {
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if (fast)
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*fast = here;
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return OK;
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}
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if (mods->GENmodName == NULL)
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return E_NODEV;
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}
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}
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*type = -1;
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return E_NODEV;
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}
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return E_BADPARM;
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}
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