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89 lines
2.4 KiB
89 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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Modified: Apr 2000 - Paolo Nenzi
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**********/
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#include "ngspice/ngspice.h"
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#include "ngspice/const.h"
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#include "ngspice/ifsim.h"
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#include "resdefs.h"
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#include "ngspice/sperror.h"
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#include "ngspice/missing_math.h"
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#include "ngspice/fteext.h"
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int
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RESparam(int param, IFvalue *value, GENinstance *inst, IFvalue *select)
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{
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double scale;
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RESinstance *here = (RESinstance *)inst;
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NG_IGNORE(select);
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if (!cp_getvar("scale", CP_REAL, &scale))
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scale = 1;
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switch(param) {
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case RES_TEMP:
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here->REStemp = value->rValue + CONSTCtoK;
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here->REStempGiven = TRUE;
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break;
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case RES_DTEMP:
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here->RESdtemp = value->rValue;
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here->RESdtempGiven = TRUE;
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break;
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case RES_RESIST:
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/* 0 valued resistor causes ngspice to hang -- can't solve for initial voltage */
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if ( AlmostEqualUlps( value->rValue, 0, 3 ) ) value->rValue = 0.001; /* 0.001 should be sufficiently small */
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here->RESresist = value->rValue;
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here->RESresGiven = TRUE;
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break;
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case RES_ACRESIST:
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here->RESacResist = value->rValue;
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here->RESacresGiven = TRUE;
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break;
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case RES_WIDTH:
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here->RESwidth = value->rValue * scale;
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here->RESwidthGiven = TRUE;
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break;
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case RES_LENGTH:
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here->RESlength = value->rValue * scale;
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here->RESlengthGiven = TRUE;
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break;
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case RES_SCALE:
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here->RESscale = value->rValue;
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here->RESscaleGiven = TRUE;
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break;
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case RES_RESIST_SENS:
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here->RESsenParmNo = value->iValue;
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break;
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case RES_M:
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here->RESm = value->rValue;
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here->RESmGiven = TRUE;
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break;
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case RES_TC1:
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here->REStc1 = value->rValue;
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here->REStc1Given = TRUE;
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break;
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case RES_TC2:
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here->REStc2 = value->rValue;
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here->REStc2Given = TRUE;
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break;
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case RES_TCE:
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here->REStce = value->rValue;
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here->REStceGiven = TRUE;
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break;
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case RES_NOISY:
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here->RESnoisy = value->iValue;
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here->RESnoisyGiven = TRUE;
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break;
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case RES_BV_MAX:
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here->RESbv_max = value->rValue;
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here->RESbv_maxGiven = TRUE;
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break;
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default:
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return(E_BADPARM);
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}
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return(OK);
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}
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