/* ******************************************************************************
   *  BSIM4 4.8.1 released by Chetan Kumar Dabhi 2/15/2017                      *
   *  BSIM4 Model Equations                                                     *
   ******************************************************************************

   ******************************************************************************
   *  Copyright 2017 Regents of the University of California.                   *
   *  All rights reserved.                                                      *
   *                                                                            *
   *  Project Director: Prof. Chenming Hu.                                      *
   *  Authors: Gary W. Ng, Weidong Liu, Xuemei Xi, Mohan Dunga, Wenwei Yang     *
   *           Ali Niknejad, Shivendra Singh Parihar, Chetan Kumar Dabhi        *
   *           Yogesh Singh Chauhan, Sayeef Salahuddin, Chenming Hu             *
   ******************************************************************************

   ******************************************************************************
   *                          CMC In-Code Statement                             *
   *                                                                            *
   *  The Developer agrees that the following statement will appear in the      *
   *  model code that has been adopted as a CMC Standard.                       *
   *                                                                            *
   *  Software is distributed as is, completely without warranty or service     *
   *  support. The University of California and its employees are not liable    *
   *  for the condition or performance of the software.                         *
   *                                                                            *
   *  The University of California owns the copyright and grants users a        *
   *  perpetual, irrevocable, worldwide, non-exclusive, royalty-free license    *
   *  with respect to the software as set forth below.                          *
   *                                                                            *
   *  The University of California hereby disclaims all implied warranties.     *
   *                                                                            *
   *  The University of California grants the users the right to modify,        *
   *  copy, and redistribute the software and documentation, both within        *
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   *  restrictions:                                                             *
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   *  1. The users agree not to charge for the University of California code    *
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   *  2. In any product based on the software, the users agree to               *
   *     acknowledge the University of California that developed the            *
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   *     documentation.                                                         *
   *                                                                            *
   *  3. Redistributions to others of source code and documentation must        *
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   *                                                                            *
   *  4. Redistributions to others in binary form must reproduce the            *
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   *                                                                            *
   *  Agreed to on ______Feb. 15, 2017______________                            *
   *                                                                            *
   *  By: ____University of California, Berkeley___                             *
   *      ____Chenming Hu__________________________                             *
   *      ____Professor in Graduate School ________                             *
   *                                                                            *
   ****************************************************************************** */

#include "ngspice/ngspice.h"
#include "ngspice/ifsim.h"
#include "bsim4def.h"
#include "ngspice/sperror.h"
#include "ngspice/suffix.h"
#include "ngspice/fteext.h"

int
BSIM4param(
int param,
IFvalue *value,
GENinstance *inst,
IFvalue *select)
{
    double scale;

    BSIM4instance *here = (BSIM4instance*)inst;

    NG_IGNORE(select);

    if (!cp_getvar("scale", CP_REAL, &scale, 0))
        scale = 1;

    switch (param) {
        case BSIM4_W:
            here->BSIM4w = value->rValue * scale;
            here->BSIM4wGiven = TRUE;
            break;
        case BSIM4_L:
            here->BSIM4l = value->rValue * scale;
            here->BSIM4lGiven = TRUE;
            break;
        case BSIM4_M:
            here->BSIM4m = value->rValue;
            here->BSIM4mGiven = TRUE;
            break;
        case BSIM4_NF:
            here->BSIM4nf = value->rValue;
            here->BSIM4nfGiven = TRUE;
            break;
        case BSIM4_MIN:
            here->BSIM4min = value->iValue;
            here->BSIM4minGiven = TRUE;
            break;
        case BSIM4_AS:
            here->BSIM4sourceArea = value->rValue * scale * scale;
            here->BSIM4sourceAreaGiven = TRUE;
            break;
        case BSIM4_AD:
            here->BSIM4drainArea = value->rValue * scale * scale;
            here->BSIM4drainAreaGiven = TRUE;
            break;
        case BSIM4_PS:
            here->BSIM4sourcePerimeter = value->rValue * scale;
            here->BSIM4sourcePerimeterGiven = TRUE;
            break;
        case BSIM4_PD:
            here->BSIM4drainPerimeter = value->rValue * scale;
            here->BSIM4drainPerimeterGiven = TRUE;
            break;
        case BSIM4_NRS:
            here->BSIM4sourceSquares = value->rValue;
            here->BSIM4sourceSquaresGiven = TRUE;
            break;
        case BSIM4_NRD:
            here->BSIM4drainSquares = value->rValue;
            here->BSIM4drainSquaresGiven = TRUE;
            break;
        case BSIM4_OFF:
            here->BSIM4off = value->iValue;
            break;
        case BSIM4_SA:
            here->BSIM4sa = value->rValue;
            here->BSIM4saGiven = TRUE;
            break;
        case BSIM4_SB:
            here->BSIM4sb = value->rValue;
            here->BSIM4sbGiven = TRUE;
            break;
        case BSIM4_SD:
            here->BSIM4sd = value->rValue;
            here->BSIM4sdGiven = TRUE;
            break;
        case BSIM4_SCA:
            here->BSIM4sca = value->rValue;
            here->BSIM4scaGiven = TRUE;
            break;
        case BSIM4_SCB:
            here->BSIM4scb = value->rValue;
            here->BSIM4scbGiven = TRUE;
            break;
        case BSIM4_SCC:
            here->BSIM4scc = value->rValue;
            here->BSIM4sccGiven = TRUE;
            break;
        case BSIM4_SC:
            here->BSIM4sc = value->rValue;
            here->BSIM4scGiven = TRUE;
            break;
        case BSIM4_RBSB:
            here->BSIM4rbsb = value->rValue;
            here->BSIM4rbsbGiven = TRUE;
            break;
        case BSIM4_RBDB:
            here->BSIM4rbdb = value->rValue;
            here->BSIM4rbdbGiven = TRUE;
            break;
        case BSIM4_RBPB:
            here->BSIM4rbpb = value->rValue;
            here->BSIM4rbpbGiven = TRUE;
            break;
        case BSIM4_RBPS:
            here->BSIM4rbps = value->rValue;
            here->BSIM4rbpsGiven = TRUE;
            break;
        case BSIM4_RBPD:
            here->BSIM4rbpd = value->rValue;
            here->BSIM4rbpdGiven = TRUE;
            break;
        case BSIM4_DELVTO:
            here->BSIM4delvto = value->rValue;
            here->BSIM4delvtoGiven = TRUE;
            break;
        case BSIM4_MULU0:
            here->BSIM4mulu0 = value->rValue;
            here->BSIM4mulu0Given = TRUE;
            break;
        case BSIM4_WNFLAG:
            here->BSIM4wnflag = value->iValue;
            here->BSIM4wnflagGiven = TRUE;
            break;
        case BSIM4_XGW:
            here->BSIM4xgw = value->rValue;
            here->BSIM4xgwGiven = TRUE;
            break;
        case BSIM4_NGCON:
            here->BSIM4ngcon = value->rValue;
            here->BSIM4ngconGiven = TRUE;
            break;
        case BSIM4_TRNQSMOD:
            here->BSIM4trnqsMod = value->iValue;
            here->BSIM4trnqsModGiven = TRUE;
            break;
        case BSIM4_ACNQSMOD:
            here->BSIM4acnqsMod = value->iValue;
            here->BSIM4acnqsModGiven = TRUE;
            break;
        case BSIM4_RBODYMOD:
            here->BSIM4rbodyMod = value->iValue;
            here->BSIM4rbodyModGiven = TRUE;
            break;
        case BSIM4_RGATEMOD:
            here->BSIM4rgateMod = value->iValue;
            here->BSIM4rgateModGiven = TRUE;
            break;
        case BSIM4_GEOMOD:
            here->BSIM4geoMod = value->iValue;
            here->BSIM4geoModGiven = TRUE;
            break;
        case BSIM4_RGEOMOD:
            here->BSIM4rgeoMod = value->iValue;
            here->BSIM4rgeoModGiven = TRUE;
            break;
        case BSIM4_IC_VDS:
            here->BSIM4icVDS = value->rValue;
            here->BSIM4icVDSGiven = TRUE;
            break;
        case BSIM4_IC_VGS:
            here->BSIM4icVGS = value->rValue;
            here->BSIM4icVGSGiven = TRUE;
            break;
        case BSIM4_IC_VBS:
            here->BSIM4icVBS = value->rValue;
            here->BSIM4icVBSGiven = TRUE;
            break;
        case BSIM4_IC:
            /* FALLTHROUGH added to suppress GCC warning due to
             * -Wimplicit-fallthrough flag */
            switch (value->v.numValue) {
                case 3:
                    here->BSIM4icVBS = *(value->v.vec.rVec+2);
                    here->BSIM4icVBSGiven = TRUE;
                    /* FALLTHROUGH */
                case 2:
                    here->BSIM4icVGS = *(value->v.vec.rVec+1);
                    here->BSIM4icVGSGiven = TRUE;
                    /* FALLTHROUGH */
                case 1:
                    here->BSIM4icVDS = *(value->v.vec.rVec);
                    here->BSIM4icVDSGiven = TRUE;
                    break;
                default:
                    return(E_BADPARM);
            }
            break;
        default:
            return(E_BADPARM);
    }
    return(OK);
}
