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53 lines
1.5 KiB
53 lines
1.5 KiB
/**********
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Copyright 1991 Regents of the University of California. All rights reserved.
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Author: 1987 Kartikeya Mayaram, U. C. Berkeley CAD Group
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**********/
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/*
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* This routine performs truncation error calculations for NUMOSs in the
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* circuit.
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*/
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#include "ngspice.h"
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#include "cktdefs.h"
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#include "numosdef.h"
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#include "sperror.h"
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#include "../../../ciderlib/twod/twoddefs.h"
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#include "../../../ciderlib/twod/twodext.h"
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#include "cidersupt.h"
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#include "suffix.h"
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int
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NUMOStrunc(GENmodel *inModel, CKTcircuit *ckt, double *timeStep)
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{
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register NUMOSmodel *model = (NUMOSmodel *) inModel;
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register NUMOSinstance *inst;
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double deltaNew;
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double deltaNorm[7];
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double startTime;
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int i;
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for (i = 0; i <= ckt->CKTmaxOrder; i++) {
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deltaNorm[i] = ckt->CKTdeltaOld[i] / TNorm;
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}
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for (; model != NULL; model = model->NUMOSnextModel) {
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OneCarrier = model->NUMOSmethods->METHoneCarrier;
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model->NUMOSpInfo->order = ckt->CKTorder;
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model->NUMOSpInfo->delta = deltaNorm;
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model->NUMOSpInfo->lteCoeff = computeLTECoeff(model->NUMOSpInfo);
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for (inst = model->NUMOSinstances; inst != NULL;
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inst = inst->NUMOSnextInstance) {
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if (inst->NUMOSowner != ARCHme) continue;
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startTime = SPfrontEnd->IFseconds();
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deltaNew = TWOtrunc(inst->NUMOSpDevice, model->NUMOSpInfo,
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ckt->CKTdelta);
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*timeStep = MIN(*timeStep, deltaNew);
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inst->NUMOSpDevice->pStats->totalTime[STAT_TRAN] +=
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SPfrontEnd->IFseconds() - startTime;
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}
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}
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return (OK);
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}
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