/**** BSIM3v3.3.0, Released by Xuemei Xi 07/29/2005 ****/
/**** OpenMP support for ngspice by Holger Vogt 06/28/2010 ****/

/**********
 * Copyright 2004 Regents of the University of California. All rights reserved.
 * File: b3ld.c of BSIM3v3.3.0
 * Author: 1991 JianHui Huang and Min-Chie Jeng.
 * Modified by Mansun Chan (1995).
 * Author: 1997-1999 Weidong Liu.
 * Author: 2001 Xuemei Xi
 * Modified by Xuemei Xi, 10/05, 12/21, 2001.
 * Modified by Xuemei Xi, 07/29/2005.
 **********/

#include "ngspice/ngspice.h"
#include "ngspice/cktdefs.h"
#include "bsim3def.h"
#include "ngspice/trandefs.h"
#include "ngspice/const.h"
#include "ngspice/sperror.h"
#include "ngspice/devdefs.h"
#include "ngspice/suffix.h"

#define MAX_EXP 5.834617425e14
#define MIN_EXP 1.713908431e-15
#define EXP_THRESHOLD 34.0
#define EPSOX 3.453133e-11
#define EPSSI 1.03594e-10
#define Charge_q 1.60219e-19
#define DELTA_1 0.02
#define DELTA_2 0.02
#define DELTA_3 0.02
#define DELTA_4 0.02

#ifdef USE_OMP
int BSIM3LoadOMP(BSIM3instance *here, CKTcircuit *ckt);
void BSIM3LoadRhsMat(GENmodel *inModel, CKTcircuit *ckt);
#endif


int
BSIM3load(
GENmodel *inModel,
CKTcircuit *ckt)
{
#ifdef USE_OMP
    int idx;
    BSIM3model *model = (BSIM3model*)inModel;
    int error = 0;
    BSIM3instance **InstArray;
    InstArray = model->BSIM3InstanceArray;

#pragma omp parallel for
    for (idx = 0; idx < model->BSIM3InstCount; idx++) {
        BSIM3instance *here = InstArray[idx];
        int local_error = BSIM3LoadOMP(here, ckt);
        if (local_error)
            error = local_error;
    }

    BSIM3LoadRhsMat(inModel, ckt);

    return error;
}


int BSIM3LoadOMP(BSIM3instance *here, CKTcircuit *ckt) {
BSIM3model *model = BSIM3modPtr(here);
#else
BSIM3model *model = (BSIM3model*)inModel;
BSIM3instance *here;
#endif
double SourceSatCurrent, DrainSatCurrent;
double ag0, qgd, qgs, qgb, von, cbhat, VgstNVt, ExpVgst;
double cdrain, cdhat, cdreq, ceqbd, ceqbs, ceqqb, ceqqd, ceqqg, ceq, geq;
double czbd, czbdsw, czbdswg, czbs, czbssw, czbsswg, evbd, evbs, arg, sarg;
double delvbd, delvbs, delvds, delvgd, delvgs;
double Vfbeff, dVfbeff_dVg, dVfbeff_dVb, V3, V4;
double gcbdb, gcbgb, gcbsb, gcddb, gcdgb, gcdsb, gcgdb, gcggb, gcgsb, gcsdb;
#ifndef NEWCONV
double tol;
#endif
double gcsgb, gcssb, MJ, MJSW, MJSWG;
double vbd, vbs, vds, vgb, vgd, vgs, vgdo;
#ifndef PREDICTOR
double xfact;
#endif
double qgate=0.0, qbulk=0.0, qdrn=0.0, qsrc, qinoi, cqgate, cqbulk, cqdrn;
double Vds, Vgs, Vbs, Gmbs, FwdSum, RevSum;
double Vgs_eff, Vfb;
double Phis, dPhis_dVb, sqrtPhis, dsqrtPhis_dVb, Vth, dVth_dVb, dVth_dVd;
double Vgst, dVgst_dVg, dVgst_dVb, dVgs_eff_dVg, Nvtm;
double Vtm;
double n, dn_dVb, dn_dVd, voffcv, noff, dnoff_dVd, dnoff_dVb;
double ExpArg, V0, CoxWLcen, QovCox, LINK;
double DeltaPhi, dDeltaPhi_dVg, VgDP, dVgDP_dVg;
double Cox, Tox, Tcen, dTcen_dVg, dTcen_dVd, dTcen_dVb;
double Ccen, Coxeff, dCoxeff_dVg, dCoxeff_dVd, dCoxeff_dVb;
double Denomi, dDenomi_dVg, dDenomi_dVd, dDenomi_dVb;
double ueff, dueff_dVg, dueff_dVd, dueff_dVb;
double Esat, Vdsat;
double EsatL, dEsatL_dVg, dEsatL_dVd, dEsatL_dVb;

double dVdsat_dVg, dVdsat_dVb, dVdsat_dVd, Vasat, dAlphaz_dVg, dAlphaz_dVb;
double dVasat_dVg, dVasat_dVb, dVasat_dVd, Va, dVa_dVd, dVa_dVg, dVa_dVb;
double Vbseff, dVbseff_dVb, VbseffCV, dVbseffCV_dVb;
double Arg1, One_Third_CoxWL, Two_Third_CoxWL, Alphaz, CoxWL;

double T0, dT0_dVg, dT0_dVd, dT0_dVb;
double T1, dT1_dVg, dT1_dVd, dT1_dVb;
double T2, dT2_dVg, dT2_dVd, dT2_dVb;
double T3, dT3_dVg, dT3_dVd, dT3_dVb;
double T4;
double T5;
double T6;
double T7;
double T8;
double T9;
double T10;
double T11, T12;
double tmp, Abulk, dAbulk_dVb, Abulk0, dAbulk0_dVb;

double VACLM, dVACLM_dVg, dVACLM_dVd, dVACLM_dVb;
double VADIBL, dVADIBL_dVg, dVADIBL_dVd, dVADIBL_dVb;

double Xdep, dXdep_dVb, lt1, dlt1_dVb, ltw, dltw_dVb, Delt_vth, dDelt_vth_dVb;
double Theta0, dTheta0_dVb;
double TempRatio, tmp1, tmp2, tmp3, tmp4;
double DIBL_Sft, dDIBL_Sft_dVd, Lambda, dLambda_dVg;

double Idtot, Ibtot;
#ifndef NOBYPASS
double tempv;
#endif
double a1, ScalingFactor;

double Vgsteff, dVgsteff_dVg, dVgsteff_dVd, dVgsteff_dVb;
double Vdseff, dVdseff_dVg, dVdseff_dVd, dVdseff_dVb;
double VdseffCV, dVdseffCV_dVg, dVdseffCV_dVd, dVdseffCV_dVb;
double diffVds, dAbulk_dVg;
double beta, dbeta_dVg, dbeta_dVd, dbeta_dVb;
double gche, dgche_dVg, dgche_dVd, dgche_dVb;
double fgche1, dfgche1_dVg, dfgche1_dVd, dfgche1_dVb;
double fgche2, dfgche2_dVg, dfgche2_dVd, dfgche2_dVb;
double Idl, dIdl_dVg, dIdl_dVd, dIdl_dVb;
double Idsa, dIdsa_dVg, dIdsa_dVd, dIdsa_dVb;
double Ids, Gm, Gds, Gmb;
double Isub, Gbd, Gbg, Gbb;
double VASCBE, dVASCBE_dVg, dVASCBE_dVd, dVASCBE_dVb;
double CoxWovL;
double Rds, dRds_dVg, dRds_dVb, WVCox, WVCoxRds;
double Vgst2Vtm, VdsatCV, dVdsatCV_dVg, dVdsatCV_dVb;
double Leff, Weff, dWeff_dVg, dWeff_dVb;
double AbulkCV, dAbulkCV_dVb;
double qgdo, qgso, cgdo, cgso;

double qcheq=0.0, qdef, gqdef=0.0, cqdef, cqcheq, gtau_diff, gtau_drift;
double gcqdb=0.0,gcqsb=0.0,gcqgb=0.0,gcqbb=0.0;
double dxpart, sxpart, ggtg, ggtd, ggts, ggtb;
double ddxpart_dVd, ddxpart_dVg, ddxpart_dVb, ddxpart_dVs;
double dsxpart_dVd, dsxpart_dVg, dsxpart_dVb, dsxpart_dVs;

double gbspsp, gbbdp, gbbsp, gbspg, gbspb, gbspdp;
double gbdpdp, gbdpg, gbdpb, gbdpsp;
double Cgg, Cgd, Cgb, Cdg, Cdd, Cds;
double Csg, Csd, Css, Csb, Cbg, Cbd, Cbb;
double Cgg1, Cgb1, Cgd1, Cbg1, Cbb1, Cbd1, Qac0, Qsub0;
double dQac0_dVg, dQac0_dVb, dQsub0_dVg, dQsub0_dVd, dQsub0_dVb;

double m;

struct bsim3SizeDependParam *pParam;
int ByPass, Check, ChargeComputationNeeded, error;
/* double junk[50]; */

ScalingFactor = 1.0e-9;
ChargeComputationNeeded =
                 ((ckt->CKTmode & (MODEDCTRANCURVE | MODEAC | MODETRAN | MODEINITSMSIG)) ||
                 ((ckt->CKTmode & MODETRANOP) && (ckt->CKTmode & MODEUIC)))
                 ? 1 : 0;
#ifndef USE_OMP
for (; model != NULL; model = BSIM3nextModel(model))
{    for (here = BSIM3instances(model); here != NULL;
          here = BSIM3nextInstance(here))
          {
#endif
          Check = 1;
          ByPass = 0;
          pParam = here->pParam;
          if ((ckt->CKTmode & MODEINITSMSIG))
          {   vbs = *(ckt->CKTstate0 + here->BSIM3vbs);
              vgs = *(ckt->CKTstate0 + here->BSIM3vgs);
              vds = *(ckt->CKTstate0 + here->BSIM3vds);
              qdef = *(ckt->CKTstate0 + here->BSIM3qdef);
          }
          else if ((ckt->CKTmode & MODEINITTRAN))
          {   vbs = *(ckt->CKTstate1 + here->BSIM3vbs);
              vgs = *(ckt->CKTstate1 + here->BSIM3vgs);
              vds = *(ckt->CKTstate1 + here->BSIM3vds);
              qdef = *(ckt->CKTstate1 + here->BSIM3qdef);
          }
          else if ((ckt->CKTmode & MODEINITJCT) && !here->BSIM3off)
          {   vds = model->BSIM3type * here->BSIM3icVDS;
              vgs = model->BSIM3type * here->BSIM3icVGS;
              vbs = model->BSIM3type * here->BSIM3icVBS;
              qdef = 0.0;

              if ((vds == 0.0) && (vgs == 0.0) && (vbs == 0.0) &&
                  ((ckt->CKTmode & (MODETRAN | MODEAC|MODEDCOP |
                   MODEDCTRANCURVE)) || (!(ckt->CKTmode & MODEUIC))))
              {   vbs = 0.0;
                  vgs = model->BSIM3type * here->BSIM3vth0 + 0.1;
                  vds = 0.1;
              }
          }
          else if ((ckt->CKTmode & (MODEINITJCT | MODEINITFIX)) &&
                  (here->BSIM3off))
          {    qdef = vbs = vgs = vds = 0.0;
          }
          else
          {
#ifndef PREDICTOR
               if ((ckt->CKTmode & MODEINITPRED))
               {   xfact = ckt->CKTdelta / ckt->CKTdeltaOld[1];
                   *(ckt->CKTstate0 + here->BSIM3vbs) =
                         *(ckt->CKTstate1 + here->BSIM3vbs);
                   vbs = (1.0 + xfact)* (*(ckt->CKTstate1 + here->BSIM3vbs))
                         - (xfact * (*(ckt->CKTstate2 + here->BSIM3vbs)));
                   *(ckt->CKTstate0 + here->BSIM3vgs) =
                         *(ckt->CKTstate1 + here->BSIM3vgs);
                   vgs = (1.0 + xfact)* (*(ckt->CKTstate1 + here->BSIM3vgs))
                         - (xfact * (*(ckt->CKTstate2 + here->BSIM3vgs)));
                   *(ckt->CKTstate0 + here->BSIM3vds) =
                         *(ckt->CKTstate1 + here->BSIM3vds);
                   vds = (1.0 + xfact)* (*(ckt->CKTstate1 + here->BSIM3vds))
                         - (xfact * (*(ckt->CKTstate2 + here->BSIM3vds)));
                   *(ckt->CKTstate0 + here->BSIM3vbd) =
                         *(ckt->CKTstate0 + here->BSIM3vbs)
                         - *(ckt->CKTstate0 + here->BSIM3vds);
                   *(ckt->CKTstate0 + here->BSIM3qdef) =
                         *(ckt->CKTstate1 + here->BSIM3qdef);
                   qdef = (1.0 + xfact)* (*(ckt->CKTstate1 + here->BSIM3qdef))
                        -(xfact * (*(ckt->CKTstate2 + here->BSIM3qdef)));
               }
               else
               {
#endif /* PREDICTOR */
                   vbs = model->BSIM3type
                       * (*(ckt->CKTrhsOld + here->BSIM3bNode)
                       - *(ckt->CKTrhsOld + here->BSIM3sNodePrime));
                   vgs = model->BSIM3type
                       * (*(ckt->CKTrhsOld + here->BSIM3gNode)
                       - *(ckt->CKTrhsOld + here->BSIM3sNodePrime));
                   vds = model->BSIM3type
                       * (*(ckt->CKTrhsOld + here->BSIM3dNodePrime)
                       - *(ckt->CKTrhsOld + here->BSIM3sNodePrime));
                   qdef = model->BSIM3type
                        * (*(ckt->CKTrhsOld + here->BSIM3qNode));
#ifndef PREDICTOR
               }
#endif /* PREDICTOR */

               vbd = vbs - vds;
               vgd = vgs - vds;
               vgdo = *(ckt->CKTstate0 + here->BSIM3vgs)
                    - *(ckt->CKTstate0 + here->BSIM3vds);
               delvbs = vbs - *(ckt->CKTstate0 + here->BSIM3vbs);
               delvbd = vbd - *(ckt->CKTstate0 + here->BSIM3vbd);
               delvgs = vgs - *(ckt->CKTstate0 + here->BSIM3vgs);
               delvds = vds - *(ckt->CKTstate0 + here->BSIM3vds);
               delvgd = vgd - vgdo;

               if (here->BSIM3mode >= 0)
               {   Idtot = here->BSIM3cd + here->BSIM3csub - here->BSIM3cbd;
                   cdhat = Idtot - here->BSIM3gbd * delvbd
                         + (here->BSIM3gmbs + here->BSIM3gbbs) * delvbs
                         + (here->BSIM3gm + here->BSIM3gbgs) * delvgs
                         + (here->BSIM3gds + here->BSIM3gbds) * delvds;
                   Ibtot = here->BSIM3cbs + here->BSIM3cbd - here->BSIM3csub;
                   cbhat = Ibtot + here->BSIM3gbd * delvbd
                         + (here->BSIM3gbs - here->BSIM3gbbs) * delvbs
                         - here->BSIM3gbgs * delvgs
                         - here->BSIM3gbds * delvds;
               }
               else
               {   Idtot = here->BSIM3cd - here->BSIM3cbd;
                   cdhat = Idtot - (here->BSIM3gbd - here->BSIM3gmbs) * delvbd
                         + here->BSIM3gm * delvgd
                         - here->BSIM3gds * delvds;
                   Ibtot = here->BSIM3cbs + here->BSIM3cbd - here->BSIM3csub;
                   cbhat = Ibtot + here->BSIM3gbs * delvbs
                         + (here->BSIM3gbd - here->BSIM3gbbs) * delvbd
                         - here->BSIM3gbgs * delvgd
                         + here->BSIM3gbds * delvds;
               }

#ifndef NOBYPASS
           /* following should be one big if connected by && all over
            * the place, but some C compilers can't handle that, so
            * we split it up here to let them digest it in stages
            */

               if ((!(ckt->CKTmode & MODEINITPRED)) && (ckt->CKTbypass))
               if ((fabs(delvbs) < (ckt->CKTreltol * MAX(fabs(vbs),
                   fabs(*(ckt->CKTstate0+here->BSIM3vbs))) + ckt->CKTvoltTol)))
               if ((fabs(delvbd) < (ckt->CKTreltol * MAX(fabs(vbd),
                   fabs(*(ckt->CKTstate0+here->BSIM3vbd))) + ckt->CKTvoltTol)))
               if ((fabs(delvgs) < (ckt->CKTreltol * MAX(fabs(vgs),
                   fabs(*(ckt->CKTstate0+here->BSIM3vgs))) + ckt->CKTvoltTol)))
               if ((fabs(delvds) < (ckt->CKTreltol * MAX(fabs(vds),
                   fabs(*(ckt->CKTstate0+here->BSIM3vds))) + ckt->CKTvoltTol)))
               if ((fabs(cdhat - Idtot) < ckt->CKTreltol
                   * MAX(fabs(cdhat),fabs(Idtot)) + ckt->CKTabstol))
               {   tempv = MAX(fabs(cbhat),fabs(Ibtot)) + ckt->CKTabstol;
                   if ((fabs(cbhat - Ibtot)) < ckt->CKTreltol * tempv)
                   {   /* bypass code */
                       vbs = *(ckt->CKTstate0 + here->BSIM3vbs);
                       vbd = *(ckt->CKTstate0 + here->BSIM3vbd);
                       vgs = *(ckt->CKTstate0 + here->BSIM3vgs);
                       vds = *(ckt->CKTstate0 + here->BSIM3vds);
                       qdef = *(ckt->CKTstate0 + here->BSIM3qdef);

                       vgd = vgs - vds;
                       vgb = vgs - vbs;

                       cdrain = here->BSIM3cd;
                       if ((ckt->CKTmode & (MODETRAN | MODEAC)) ||
                           ((ckt->CKTmode & MODETRANOP) &&
                           (ckt->CKTmode & MODEUIC)))
                       {   ByPass = 1;
                           qgate = here->BSIM3qgate;
                           qbulk = here->BSIM3qbulk;
                           qdrn = here->BSIM3qdrn;
                           goto line755;
                       }
                       else
                       {   goto line850;
                       }
                   }
               }

#endif /*NOBYPASS*/
               von = here->BSIM3von;
               if (*(ckt->CKTstate0 + here->BSIM3vds) >= 0.0)
               {   vgs = DEVfetlim(vgs, *(ckt->CKTstate0+here->BSIM3vgs), von);
                   vds = vgs - vgd;
                   vds = DEVlimvds(vds, *(ckt->CKTstate0 + here->BSIM3vds));
                   vgd = vgs - vds;

               }
               else
               {   vgd = DEVfetlim(vgd, vgdo, von);
                   vds = vgs - vgd;
                   vds = -DEVlimvds(-vds, -(*(ckt->CKTstate0+here->BSIM3vds)));
                   vgs = vgd + vds;
               }

               if (vds >= 0.0)
               {   vbs = DEVpnjlim(vbs, *(ckt->CKTstate0 + here->BSIM3vbs),
                                   CONSTvt0, model->BSIM3vcrit, &Check);
                   vbd = vbs - vds;

               }
               else
               {   vbd = DEVpnjlim(vbd, *(ckt->CKTstate0 + here->BSIM3vbd),
                                   CONSTvt0, model->BSIM3vcrit, &Check);
                   vbs = vbd + vds;
               }
          }

          /* determine DC current and derivatives */
          vbd = vbs - vds;
          vgd = vgs - vds;
          vgb = vgs - vbs;

          /* Source/drain junction diode DC model begins */
          Nvtm = model->BSIM3vtm * model->BSIM3jctEmissionCoeff;
          /* acm model */
          if (model->BSIM3acmMod == 0)
          {
            if ((here->BSIM3sourceArea <= 0.0) && (here->BSIM3sourcePerimeter <= 0.0))
            {   SourceSatCurrent = 1.0e-14;
            }
            else
            {   SourceSatCurrent = here->BSIM3sourceArea
                                 * model->BSIM3jctTempSatCurDensity
                                 + here->BSIM3sourcePerimeter
                                 * model->BSIM3jctSidewallTempSatCurDensity;
            }
            if ((here->BSIM3drainArea <= 0.0) && (here->BSIM3drainPerimeter <= 0.0))
            {   DrainSatCurrent = 1.0e-14;
            }
            else
            {   DrainSatCurrent = here->BSIM3drainArea
                                * model->BSIM3jctTempSatCurDensity
                                + here->BSIM3drainPerimeter
                                * model->BSIM3jctSidewallTempSatCurDensity;
            }
          }
          else
          {
            error = ACM_saturationCurrents(
            model->BSIM3acmMod,
            model->BSIM3calcacm,
            here->BSIM3geo,
            model->BSIM3hdif,
            model->BSIM3wmlt,
            here->BSIM3w,
            model->BSIM3xw,
            model->BSIM3jctTempSatCurDensity,
            model->BSIM3jctSidewallTempSatCurDensity,
            here->BSIM3drainAreaGiven,
            here->BSIM3drainArea,
            here->BSIM3drainPerimeterGiven,
            here->BSIM3drainPerimeter,
            here->BSIM3sourceAreaGiven,
            here->BSIM3sourceArea,
            here->BSIM3sourcePerimeterGiven,
            here->BSIM3sourcePerimeter,
            &DrainSatCurrent,
            &SourceSatCurrent
            );
            if (error)
                return(error);
          }

          if (SourceSatCurrent <= 0.0)
          {   here->BSIM3gbs = ckt->CKTgmin;
              here->BSIM3cbs = here->BSIM3gbs * vbs;
          }
          else
          {   if (model->BSIM3ijth == 0.0)
              {   evbs = exp(vbs / Nvtm);
                  here->BSIM3gbs = SourceSatCurrent * evbs / Nvtm + ckt->CKTgmin;
                  here->BSIM3cbs = SourceSatCurrent * (evbs - 1.0)
                                 + ckt->CKTgmin * vbs;
              }
              else
              {   if (vbs < here->BSIM3vjsm)
                  {   evbs = exp(vbs / Nvtm);
                      here->BSIM3gbs = SourceSatCurrent * evbs / Nvtm + ckt->CKTgmin;
                      here->BSIM3cbs = SourceSatCurrent * (evbs - 1.0)
                                     + ckt->CKTgmin * vbs;
                  }
                  else
                  {   T0 = here->BSIM3IsEvjsm / Nvtm;
                      here->BSIM3gbs = T0 + ckt->CKTgmin;
                      here->BSIM3cbs = here->BSIM3IsEvjsm - SourceSatCurrent
                                     + T0 * (vbs - here->BSIM3vjsm)
                                     + ckt->CKTgmin * vbs;
                  }
              }
          }

          if (DrainSatCurrent <= 0.0)
          {   here->BSIM3gbd = ckt->CKTgmin;
              here->BSIM3cbd = here->BSIM3gbd * vbd;
          }
          else
          {   if (model->BSIM3ijth == 0.0)
              {   evbd = exp(vbd / Nvtm);
                  here->BSIM3gbd = DrainSatCurrent * evbd / Nvtm + ckt->CKTgmin;
                  here->BSIM3cbd = DrainSatCurrent * (evbd - 1.0)
                                 + ckt->CKTgmin * vbd;
              }
              else
              {   if (vbd < here->BSIM3vjdm)
                  {   evbd = exp(vbd / Nvtm);
                      here->BSIM3gbd = DrainSatCurrent * evbd / Nvtm + ckt->CKTgmin;
                      here->BSIM3cbd = DrainSatCurrent * (evbd - 1.0)
                                     + ckt->CKTgmin * vbd;
                  }
                  else
                  {   T0 = here->BSIM3IsEvjdm / Nvtm;
                      here->BSIM3gbd = T0 + ckt->CKTgmin;
                      here->BSIM3cbd = here->BSIM3IsEvjdm - DrainSatCurrent
                                     + T0 * (vbd - here->BSIM3vjdm)
                                     + ckt->CKTgmin * vbd;
                  }
              }
          }
          /* End of diode DC model */

          if (vds >= 0.0)
          {   /* normal mode */
              here->BSIM3mode = 1;
              Vds = vds;
              Vgs = vgs;
              Vbs = vbs;
          }
          else
          {   /* inverse mode */
              here->BSIM3mode = -1;
              Vds = -vds;
              Vgs = vgd;
              Vbs = vbd;
          }

          T0 = Vbs - pParam->BSIM3vbsc - 0.001;
          T1 = sqrt(T0 * T0 - 0.004 * pParam->BSIM3vbsc);
          Vbseff = pParam->BSIM3vbsc + 0.5 * (T0 + T1);
          dVbseff_dVb = 0.5 * (1.0 + T0 / T1);
          if (Vbseff < Vbs)
          {   Vbseff = Vbs;
          }

          if (Vbseff > 0.0)
          {   T0 = pParam->BSIM3phi / (pParam->BSIM3phi + Vbseff);
              Phis = pParam->BSIM3phi * T0;
              dPhis_dVb = -T0 * T0;
              sqrtPhis = pParam->BSIM3phis3 / (pParam->BSIM3phi + 0.5 * Vbseff);
              dsqrtPhis_dVb = -0.5 * sqrtPhis * sqrtPhis / pParam->BSIM3phis3;
          }
          else
          {   Phis = pParam->BSIM3phi - Vbseff;
              dPhis_dVb = -1.0;
              sqrtPhis = sqrt(Phis);
              dsqrtPhis_dVb = -0.5 / sqrtPhis;
          }
          Xdep = pParam->BSIM3Xdep0 * sqrtPhis / pParam->BSIM3sqrtPhi;
          dXdep_dVb = (pParam->BSIM3Xdep0 / pParam->BSIM3sqrtPhi)
                    * dsqrtPhis_dVb;

          Leff = pParam->BSIM3leff;
          Vtm = model->BSIM3vtm;
/* Vth Calculation */
          T3 = sqrt(Xdep);
          V0 = pParam->BSIM3vbi - pParam->BSIM3phi;

          T0 = pParam->BSIM3dvt2 * Vbseff;
          if (T0 >= - 0.5)
          {   T1 = 1.0 + T0;
              T2 = pParam->BSIM3dvt2;
          }
          else /* Added to avoid any discontinuity problems caused by dvt2 */
          {   T4 = 1.0 / (3.0 + 8.0 * T0);
              T1 = (1.0 + 3.0 * T0) * T4;
              T2 = pParam->BSIM3dvt2 * T4 * T4;
          }
          lt1 = model->BSIM3factor1 * T3 * T1;
          dlt1_dVb = model->BSIM3factor1 * (0.5 / T3 * T1 * dXdep_dVb + T3 * T2);

          T0 = pParam->BSIM3dvt2w * Vbseff;
          if (T0 >= - 0.5)
          {   T1 = 1.0 + T0;
              T2 = pParam->BSIM3dvt2w;
          }
          else /* Added to avoid any discontinuity problems caused by dvt2w */
          {   T4 = 1.0 / (3.0 + 8.0 * T0);
              T1 = (1.0 + 3.0 * T0) * T4;
              T2 = pParam->BSIM3dvt2w * T4 * T4;
          }
          ltw = model->BSIM3factor1 * T3 * T1;
          dltw_dVb = model->BSIM3factor1 * (0.5 / T3 * T1 * dXdep_dVb + T3 * T2);

          T0 = -0.5 * pParam->BSIM3dvt1 * Leff / lt1;
          if (T0 > -EXP_THRESHOLD)
          {   T1 = exp(T0);
              Theta0 = T1 * (1.0 + 2.0 * T1);
              dT1_dVb = -T0 / lt1 * T1 * dlt1_dVb;
              dTheta0_dVb = (1.0 + 4.0 * T1) * dT1_dVb;
          }
          else
          {   T1 = MIN_EXP;
              Theta0 = T1 * (1.0 + 2.0 * T1);
              dTheta0_dVb = 0.0;
          }

          here->BSIM3thetavth = pParam->BSIM3dvt0 * Theta0;
          Delt_vth = here->BSIM3thetavth * V0;
          dDelt_vth_dVb = pParam->BSIM3dvt0 * dTheta0_dVb * V0;

          T0 = -0.5 * pParam->BSIM3dvt1w * pParam->BSIM3weff * Leff / ltw;
          if (T0 > -EXP_THRESHOLD)
          {   T1 = exp(T0);
              T2 = T1 * (1.0 + 2.0 * T1);
              dT1_dVb = -T0 / ltw * T1 * dltw_dVb;
              dT2_dVb = (1.0 + 4.0 * T1) * dT1_dVb;
          }
          else
          {   T1 = MIN_EXP;
              T2 = T1 * (1.0 + 2.0 * T1);
              dT2_dVb = 0.0;
          }

          T0 = pParam->BSIM3dvt0w * T2;
          T2 = T0 * V0;
          dT2_dVb = pParam->BSIM3dvt0w * dT2_dVb * V0;

          TempRatio =  ckt->CKTtemp / model->BSIM3tnom - 1.0;
          T0 = sqrt(1.0 + pParam->BSIM3nlx / Leff);
          T1 = pParam->BSIM3k1ox * (T0 - 1.0) * pParam->BSIM3sqrtPhi
             + (pParam->BSIM3kt1 + pParam->BSIM3kt1l / Leff
             + pParam->BSIM3kt2 * Vbseff) * TempRatio;
          tmp2 = model->BSIM3tox * pParam->BSIM3phi
               / (pParam->BSIM3weff + pParam->BSIM3w0);

          T3 = pParam->BSIM3eta0 + pParam->BSIM3etab * Vbseff;
          if (T3 < 1.0e-4) /* avoid  discontinuity problems caused by etab */
          {   T9 = 1.0 / (3.0 - 2.0e4 * T3);
              T3 = (2.0e-4 - T3) * T9;
              T4 = T9 * T9;
          }
          else
          {   T4 = 1.0;
          }
          dDIBL_Sft_dVd = T3 * pParam->BSIM3theta0vb0;
          DIBL_Sft = dDIBL_Sft_dVd * Vds;

          Vth = model->BSIM3type * here->BSIM3vth0 - pParam->BSIM3k1
              * pParam->BSIM3sqrtPhi + pParam->BSIM3k1ox * sqrtPhis
              - pParam->BSIM3k2ox * Vbseff - Delt_vth - T2 + (pParam->BSIM3k3
              + pParam->BSIM3k3b * Vbseff) * tmp2 + T1 - DIBL_Sft;

          here->BSIM3von = Vth;

          dVth_dVb = pParam->BSIM3k1ox * dsqrtPhis_dVb - pParam->BSIM3k2ox
                   - dDelt_vth_dVb - dT2_dVb + pParam->BSIM3k3b * tmp2
                   - pParam->BSIM3etab * Vds * pParam->BSIM3theta0vb0 * T4
                   + pParam->BSIM3kt2 * TempRatio;
          dVth_dVd = -dDIBL_Sft_dVd;

/* Calculate n */
          tmp2 = pParam->BSIM3nfactor * EPSSI / Xdep;
          tmp3 = pParam->BSIM3cdsc + pParam->BSIM3cdscb * Vbseff
               + pParam->BSIM3cdscd * Vds;
          tmp4 = (tmp2 + tmp3 * Theta0 + pParam->BSIM3cit) / model->BSIM3cox;
          if (tmp4 >= -0.5)
          {   n = 1.0 + tmp4;
              dn_dVb = (-tmp2 / Xdep * dXdep_dVb + tmp3 * dTheta0_dVb
                     + pParam->BSIM3cdscb * Theta0) / model->BSIM3cox;
              dn_dVd = pParam->BSIM3cdscd * Theta0 / model->BSIM3cox;
          }
          else
           /* avoid  discontinuity problems caused by tmp4 */
          {   T0 = 1.0 / (3.0 + 8.0 * tmp4);
              n = (1.0 + 3.0 * tmp4) * T0;
              T0 *= T0;
              dn_dVb = (-tmp2 / Xdep * dXdep_dVb + tmp3 * dTheta0_dVb
                     + pParam->BSIM3cdscb * Theta0) / model->BSIM3cox * T0;
              dn_dVd = pParam->BSIM3cdscd * Theta0 / model->BSIM3cox * T0;
          }

/* Poly Gate Si Depletion Effect */
          T0 = here->BSIM3vfb + pParam->BSIM3phi;
          if ((pParam->BSIM3ngate > 1.e18) && (pParam->BSIM3ngate < 1.e25)
               && (Vgs > T0))
          /* added to avoid the problem caused by ngate */
          {   T1 = 1.0e6 * Charge_q * EPSSI * pParam->BSIM3ngate
                 / (model->BSIM3cox * model->BSIM3cox);
              T4 = sqrt(1.0 + 2.0 * (Vgs - T0) / T1);
              T2 = T1 * (T4 - 1.0);
              T3 = 0.5 * T2 * T2 / T1; /* T3 = Vpoly */
              T7 = 1.12 - T3 - 0.05;
              T6 = sqrt(T7 * T7 + 0.224);
              T5 = 1.12 - 0.5 * (T7 + T6);
              Vgs_eff = Vgs - T5;
              dVgs_eff_dVg = 1.0 - (0.5 - 0.5 / T4) * (1.0 + T7 / T6);
          }
          else
          {   Vgs_eff = Vgs;
              dVgs_eff_dVg = 1.0;
          }
          Vgst = Vgs_eff - Vth;

/* Effective Vgst (Vgsteff) Calculation */

          T10 = 2.0 * n * Vtm;
          VgstNVt = Vgst / T10;
          ExpArg = (2.0 * pParam->BSIM3voff - Vgst) / T10;

          /* MCJ: Very small Vgst */
          if (VgstNVt > EXP_THRESHOLD)
          {   Vgsteff = Vgst;
              dVgsteff_dVg = dVgs_eff_dVg;
              dVgsteff_dVd = -dVth_dVd;
              dVgsteff_dVb = -dVth_dVb;
          }
          else if (ExpArg > EXP_THRESHOLD)
          {   T0 = (Vgst - pParam->BSIM3voff) / (n * Vtm);
              ExpVgst = exp(T0);
              Vgsteff = Vtm * pParam->BSIM3cdep0 / model->BSIM3cox * ExpVgst;
              dVgsteff_dVg = Vgsteff / (n * Vtm);
              dVgsteff_dVd = -dVgsteff_dVg * (dVth_dVd + T0 * Vtm * dn_dVd);
              dVgsteff_dVb = -dVgsteff_dVg * (dVth_dVb + T0 * Vtm * dn_dVb);
              dVgsteff_dVg *= dVgs_eff_dVg;
          }
          else
          {   ExpVgst = exp(VgstNVt);
              T1 = T10 * log(1.0 + ExpVgst);
              dT1_dVg = ExpVgst / (1.0 + ExpVgst);
              dT1_dVb = -dT1_dVg * (dVth_dVb + Vgst / n * dn_dVb)
                      + T1 / n * dn_dVb;
              dT1_dVd = -dT1_dVg * (dVth_dVd + Vgst / n * dn_dVd)
                      + T1 / n * dn_dVd;

              dT2_dVg = -model->BSIM3cox / (Vtm * pParam->BSIM3cdep0)
                      * exp(ExpArg);
              T2 = 1.0 - T10 * dT2_dVg;
              dT2_dVd = -dT2_dVg * (dVth_dVd - 2.0 * Vtm * ExpArg * dn_dVd)
                      + (T2 - 1.0) / n * dn_dVd;
              dT2_dVb = -dT2_dVg * (dVth_dVb - 2.0 * Vtm * ExpArg * dn_dVb)
                      + (T2 - 1.0) / n * dn_dVb;

              Vgsteff = T1 / T2;
              T3 = T2 * T2;
              dVgsteff_dVg = (T2 * dT1_dVg - T1 * dT2_dVg) / T3 * dVgs_eff_dVg;
              dVgsteff_dVd = (T2 * dT1_dVd - T1 * dT2_dVd) / T3;
              dVgsteff_dVb = (T2 * dT1_dVb - T1 * dT2_dVb) / T3;
          }
          here->BSIM3Vgsteff = Vgsteff;

/* Calculate Effective Channel Geometry */
          T9 = sqrtPhis - pParam->BSIM3sqrtPhi;
          Weff = pParam->BSIM3weff - 2.0 * (pParam->BSIM3dwg * Vgsteff
               + pParam->BSIM3dwb * T9);
          dWeff_dVg = -2.0 * pParam->BSIM3dwg;
          dWeff_dVb = -2.0 * pParam->BSIM3dwb * dsqrtPhis_dVb;

          if (Weff < 2.0e-8) /* to avoid the discontinuity problem due to Weff*/
          {   T0 = 1.0 / (6.0e-8 - 2.0 * Weff);
              Weff = 2.0e-8 * (4.0e-8 - Weff) * T0;
              T0 *= T0 * 4.0e-16;
              dWeff_dVg *= T0;
              dWeff_dVb *= T0;
          }

          T0 = pParam->BSIM3prwg * Vgsteff + pParam->BSIM3prwb * T9;
          if (T0 >= -0.9)
          {   Rds = pParam->BSIM3rds0 * (1.0 + T0);
              dRds_dVg = pParam->BSIM3rds0 * pParam->BSIM3prwg;
              dRds_dVb = pParam->BSIM3rds0 * pParam->BSIM3prwb * dsqrtPhis_dVb;
          }
          else
           /* to avoid the discontinuity problem due to prwg and prwb*/
          {   T1 = 1.0 / (17.0 + 20.0 * T0);
              Rds = pParam->BSIM3rds0 * (0.8 + T0) * T1;
              T1 *= T1;
              dRds_dVg = pParam->BSIM3rds0 * pParam->BSIM3prwg * T1;
              dRds_dVb = pParam->BSIM3rds0 * pParam->BSIM3prwb * dsqrtPhis_dVb
                       * T1;
          }
          here->BSIM3rds = Rds; /* Noise Bugfix */

/* Calculate Abulk */
          T1 = 0.5 * pParam->BSIM3k1ox / sqrtPhis;
          dT1_dVb = -T1 / sqrtPhis * dsqrtPhis_dVb;

          T9 = sqrt(pParam->BSIM3xj * Xdep);
          tmp1 = Leff + 2.0 * T9;
          T5 = Leff / tmp1;
          tmp2 = pParam->BSIM3a0 * T5;
          tmp3 = pParam->BSIM3weff + pParam->BSIM3b1;
          tmp4 = pParam->BSIM3b0 / tmp3;
          T2 = tmp2 + tmp4;
          dT2_dVb = -T9 / tmp1 / Xdep * dXdep_dVb;
          T6 = T5 * T5;
          T7 = T5 * T6;

          Abulk0 = 1.0 + T1 * T2;
          dAbulk0_dVb = T1 * tmp2 * dT2_dVb + T2 * dT1_dVb;

          T8 = pParam->BSIM3ags * pParam->BSIM3a0 * T7;
          dAbulk_dVg = -T1 * T8;
          Abulk = Abulk0 + dAbulk_dVg * Vgsteff;
          dAbulk_dVb = dAbulk0_dVb - T8 * Vgsteff * (dT1_dVb
                     + 3.0 * T1 * dT2_dVb);

          if (Abulk0 < 0.1) /* added to avoid the problems caused by Abulk0 */
          {   T9 = 1.0 / (3.0 - 20.0 * Abulk0);
              Abulk0 = (0.2 - Abulk0) * T9;
              dAbulk0_dVb *= T9 * T9;
          }

          if (Abulk < 0.1)
          /* added to avoid the problems caused by Abulk */
          {   T9 = 1.0 / (3.0 - 20.0 * Abulk);
              Abulk = (0.2 - Abulk) * T9;
              T10 = T9 * T9;
              dAbulk_dVb *= T10;
              dAbulk_dVg *= T10;
          }
          here->BSIM3Abulk = Abulk;

          T2 = pParam->BSIM3keta * Vbseff;
          if (T2 >= -0.9)
          {   T0 = 1.0 / (1.0 + T2);
              dT0_dVb = -pParam->BSIM3keta * T0 * T0;
          }
          else
          /* added to avoid the problems caused by Keta */
          {   T1 = 1.0 / (0.8 + T2);
              T0 = (17.0 + 20.0 * T2) * T1;
              dT0_dVb = -pParam->BSIM3keta * T1 * T1;
          }
          dAbulk_dVg *= T0;
          dAbulk_dVb = dAbulk_dVb * T0 + Abulk * dT0_dVb;
          dAbulk0_dVb = dAbulk0_dVb * T0 + Abulk0 * dT0_dVb;
          Abulk *= T0;
          Abulk0 *= T0;


/* Mobility calculation */
          if (model->BSIM3mobMod == 1)
          {   T0 = Vgsteff + Vth + Vth;
              T2 = pParam->BSIM3ua + pParam->BSIM3uc * Vbseff;
              T3 = T0 / model->BSIM3tox;
              T5 = T3 * (T2 + pParam->BSIM3ub * T3);
              dDenomi_dVg = (T2 + 2.0 * pParam->BSIM3ub * T3) / model->BSIM3tox;
              dDenomi_dVd = dDenomi_dVg * 2.0 * dVth_dVd;
              dDenomi_dVb = dDenomi_dVg * 2.0 * dVth_dVb + pParam->BSIM3uc * T3;
          }
          else if (model->BSIM3mobMod == 2)
          {   T5 = Vgsteff / model->BSIM3tox * (pParam->BSIM3ua
                 + pParam->BSIM3uc * Vbseff + pParam->BSIM3ub * Vgsteff
                 / model->BSIM3tox);
              dDenomi_dVg = (pParam->BSIM3ua + pParam->BSIM3uc * Vbseff
                          + 2.0 * pParam->BSIM3ub * Vgsteff / model->BSIM3tox)
                          / model->BSIM3tox;
              dDenomi_dVd = 0.0;
              dDenomi_dVb = Vgsteff * pParam->BSIM3uc / model->BSIM3tox;
          }
          else
          {   T0 = Vgsteff + Vth + Vth;
              T2 = 1.0 + pParam->BSIM3uc * Vbseff;
              T3 = T0 / model->BSIM3tox;
              T4 = T3 * (pParam->BSIM3ua + pParam->BSIM3ub * T3);
              T5 = T4 * T2;
              dDenomi_dVg = (pParam->BSIM3ua + 2.0 * pParam->BSIM3ub * T3) * T2
                          / model->BSIM3tox;
              dDenomi_dVd = dDenomi_dVg * 2.0 * dVth_dVd;
              dDenomi_dVb = dDenomi_dVg * 2.0 * dVth_dVb + pParam->BSIM3uc * T4;
          }

          if (T5 >= -0.8)
          {   Denomi = 1.0 + T5;
          }
          else /* Added to avoid the discontinuity problem caused by ua and ub*/
          {   T9 = 1.0 / (7.0 + 10.0 * T5);
              Denomi = (0.6 + T5) * T9;
              T9 *= T9;
              dDenomi_dVg *= T9;
              dDenomi_dVd *= T9;
              dDenomi_dVb *= T9;
          }

          here->BSIM3ueff = ueff = here->BSIM3u0temp / Denomi;
          T9 = -ueff / Denomi;
          dueff_dVg = T9 * dDenomi_dVg;
          dueff_dVd = T9 * dDenomi_dVd;
          dueff_dVb = T9 * dDenomi_dVb;

/* Saturation Drain Voltage  Vdsat */
          WVCox = Weff * pParam->BSIM3vsattemp * model->BSIM3cox;
          WVCoxRds = WVCox * Rds;

          Esat = 2.0 * pParam->BSIM3vsattemp / ueff;
          EsatL = Esat * Leff;
          T0 = -EsatL /ueff;
          dEsatL_dVg = T0 * dueff_dVg;
          dEsatL_dVd = T0 * dueff_dVd;
          dEsatL_dVb = T0 * dueff_dVb;

          /* Sqrt() */
          a1 = pParam->BSIM3a1;
          if (a1 == 0.0)
          {   Lambda = pParam->BSIM3a2;
              dLambda_dVg = 0.0;
          }
          else if (a1 > 0.0)
/* Added to avoid the discontinuity problem
   caused by a1 and a2 (Lambda) */
          {   T0 = 1.0 - pParam->BSIM3a2;
              T1 = T0 - pParam->BSIM3a1 * Vgsteff - 0.0001;
              T2 = sqrt(T1 * T1 + 0.0004 * T0);
              Lambda = pParam->BSIM3a2 + T0 - 0.5 * (T1 + T2);
              dLambda_dVg = 0.5 * pParam->BSIM3a1 * (1.0 + T1 / T2);
          }
          else
          {   T1 = pParam->BSIM3a2 + pParam->BSIM3a1 * Vgsteff - 0.0001;
              T2 = sqrt(T1 * T1 + 0.0004 * pParam->BSIM3a2);
              Lambda = 0.5 * (T1 + T2);
              dLambda_dVg = 0.5 * pParam->BSIM3a1 * (1.0 + T1 / T2);
          }

          Vgst2Vtm = Vgsteff + 2.0 * Vtm;
          here->BSIM3AbovVgst2Vtm = Abulk / Vgst2Vtm;

          if (Rds > 0)
          {   tmp2 = dRds_dVg / Rds + dWeff_dVg / Weff;
              tmp3 = dRds_dVb / Rds + dWeff_dVb / Weff;
          }
          else
          {   tmp2 = dWeff_dVg / Weff;
              tmp3 = dWeff_dVb / Weff;
          }
          if ((Rds == 0.0) && (Lambda == 1.0))
          {   T0 = 1.0 / (Abulk * EsatL + Vgst2Vtm);
              tmp1 = 0.0;
              T1 = T0 * T0;
              T2 = Vgst2Vtm * T0;
              T3 = EsatL * Vgst2Vtm;
              Vdsat = T3 * T0;

              dT0_dVg = -(Abulk * dEsatL_dVg + EsatL * dAbulk_dVg + 1.0) * T1;
              dT0_dVd = -(Abulk * dEsatL_dVd) * T1;
              dT0_dVb = -(Abulk * dEsatL_dVb + dAbulk_dVb * EsatL) * T1;

              dVdsat_dVg = T3 * dT0_dVg + T2 * dEsatL_dVg + EsatL * T0;
              dVdsat_dVd = T3 * dT0_dVd + T2 * dEsatL_dVd;
              dVdsat_dVb = T3 * dT0_dVb + T2 * dEsatL_dVb;
          }
          else
          {   tmp1 = dLambda_dVg / (Lambda * Lambda);
              T9 = Abulk * WVCoxRds;
              T8 = Abulk * T9;
              T7 = Vgst2Vtm * T9;
              T6 = Vgst2Vtm * WVCoxRds;
              T0 = 2.0 * Abulk * (T9 - 1.0 + 1.0 / Lambda);
              dT0_dVg = 2.0 * (T8 * tmp2 - Abulk * tmp1
                      + (2.0 * T9 + 1.0 / Lambda - 1.0) * dAbulk_dVg);

              dT0_dVb = 2.0 * (T8 * (2.0 / Abulk * dAbulk_dVb + tmp3)
                      + (1.0 / Lambda - 1.0) * dAbulk_dVb);
              dT0_dVd = 0.0;
              T1 = Vgst2Vtm * (2.0 / Lambda - 1.0) + Abulk * EsatL + 3.0 * T7;

              dT1_dVg = (2.0 / Lambda - 1.0) - 2.0 * Vgst2Vtm * tmp1
                      + Abulk * dEsatL_dVg + EsatL * dAbulk_dVg + 3.0 * (T9
                      + T7 * tmp2 + T6 * dAbulk_dVg);
              dT1_dVb = Abulk * dEsatL_dVb + EsatL * dAbulk_dVb
                      + 3.0 * (T6 * dAbulk_dVb + T7 * tmp3);
              dT1_dVd = Abulk * dEsatL_dVd;

              T2 = Vgst2Vtm * (EsatL + 2.0 * T6);
              dT2_dVg = EsatL + Vgst2Vtm * dEsatL_dVg
                      + T6 * (4.0 + 2.0 * Vgst2Vtm * tmp2);
              dT2_dVb = Vgst2Vtm * (dEsatL_dVb + 2.0 * T6 * tmp3);
              dT2_dVd = Vgst2Vtm * dEsatL_dVd;

              T3 = sqrt(T1 * T1 - 2.0 * T0 * T2);
              Vdsat = (T1 - T3) / T0;

              dT3_dVg = (T1 * dT1_dVg - 2.0 * (T0 * dT2_dVg + T2 * dT0_dVg))
                      / T3;
              dT3_dVd = (T1 * dT1_dVd - 2.0 * (T0 * dT2_dVd + T2 * dT0_dVd))
                      / T3;
              dT3_dVb = (T1 * dT1_dVb - 2.0 * (T0 * dT2_dVb + T2 * dT0_dVb))
                      / T3;

              dVdsat_dVg = (dT1_dVg - (T1 * dT1_dVg - dT0_dVg * T2
                         - T0 * dT2_dVg) / T3 - Vdsat * dT0_dVg) / T0;
              dVdsat_dVb = (dT1_dVb - (T1 * dT1_dVb - dT0_dVb * T2
                         - T0 * dT2_dVb) / T3 - Vdsat * dT0_dVb) / T0;
              dVdsat_dVd = (dT1_dVd - (T1 * dT1_dVd - T0 * dT2_dVd) / T3) / T0;
          }
          here->BSIM3vdsat = Vdsat;

/* Effective Vds (Vdseff) Calculation */
          T1 = Vdsat - Vds - pParam->BSIM3delta;
          dT1_dVg = dVdsat_dVg;
          dT1_dVd = dVdsat_dVd - 1.0;
          dT1_dVb = dVdsat_dVb;

          T2 = sqrt(T1 * T1 + 4.0 * pParam->BSIM3delta * Vdsat);
          T0 = T1 / T2;
          T3 = 2.0 * pParam->BSIM3delta / T2;
          dT2_dVg = T0 * dT1_dVg + T3 * dVdsat_dVg;
          dT2_dVd = T0 * dT1_dVd + T3 * dVdsat_dVd;
          dT2_dVb = T0 * dT1_dVb + T3 * dVdsat_dVb;

          Vdseff = Vdsat - 0.5 * (T1 + T2);
          dVdseff_dVg = dVdsat_dVg - 0.5 * (dT1_dVg + dT2_dVg);
          dVdseff_dVd = dVdsat_dVd - 0.5 * (dT1_dVd + dT2_dVd);
          dVdseff_dVb = dVdsat_dVb - 0.5 * (dT1_dVb + dT2_dVb);
          /* Added to eliminate non-zero Vdseff at Vds=0.0 */
          if (Vds == 0.0)
          {  Vdseff = 0.0;
             dVdseff_dVg = 0.0;
             dVdseff_dVb = 0.0;
          }

/* Calculate VAsat */
          tmp4 = 1.0 - 0.5 * Abulk * Vdsat / Vgst2Vtm;
          T9 = WVCoxRds * Vgsteff;
          T8 = T9 / Vgst2Vtm;
          T0 = EsatL + Vdsat + 2.0 * T9 * tmp4;

          T7 = 2.0 * WVCoxRds * tmp4;
          dT0_dVg = dEsatL_dVg + dVdsat_dVg + T7 * (1.0 + tmp2 * Vgsteff)
                  - T8 * (Abulk * dVdsat_dVg - Abulk * Vdsat / Vgst2Vtm
                  + Vdsat * dAbulk_dVg);

          dT0_dVb = dEsatL_dVb + dVdsat_dVb + T7 * tmp3 * Vgsteff
                  - T8 * (dAbulk_dVb * Vdsat + Abulk * dVdsat_dVb);
          dT0_dVd = dEsatL_dVd + dVdsat_dVd - T8 * Abulk * dVdsat_dVd;

          T9 = WVCoxRds * Abulk;
          T1 = 2.0 / Lambda - 1.0 + T9;
          dT1_dVg = -2.0 * tmp1 +  WVCoxRds * (Abulk * tmp2 + dAbulk_dVg);
          dT1_dVb = dAbulk_dVb * WVCoxRds + T9 * tmp3;

          Vasat = T0 / T1;
          dVasat_dVg = (dT0_dVg - Vasat * dT1_dVg) / T1;
          dVasat_dVb = (dT0_dVb - Vasat * dT1_dVb) / T1;
          dVasat_dVd = dT0_dVd / T1;

          if (Vdseff > Vds)
             Vdseff = Vds;
          diffVds = Vds - Vdseff;
          here->BSIM3Vdseff = Vdseff;

/* Calculate VACLM */
          if ((pParam->BSIM3pclm > 0.0) && (diffVds > 1.0e-10))
          {   T0 = 1.0 / (pParam->BSIM3pclm * Abulk * pParam->BSIM3litl);
              dT0_dVb = -T0 / Abulk * dAbulk_dVb;
              dT0_dVg = -T0 / Abulk * dAbulk_dVg;

              T2 = Vgsteff / EsatL;
              T1 = Leff * (Abulk + T2);
              dT1_dVg = Leff * ((1.0 - T2 * dEsatL_dVg) / EsatL + dAbulk_dVg);
              dT1_dVb = Leff * (dAbulk_dVb - T2 * dEsatL_dVb / EsatL);
              dT1_dVd = -T2 * dEsatL_dVd / Esat;

              T9 = T0 * T1;
              VACLM = T9 * diffVds;
              dVACLM_dVg = T0 * dT1_dVg * diffVds - T9 * dVdseff_dVg
                         + T1 * diffVds * dT0_dVg;
              dVACLM_dVb = (dT0_dVb * T1 + T0 * dT1_dVb) * diffVds
                         - T9 * dVdseff_dVb;
              dVACLM_dVd = T0 * dT1_dVd * diffVds + T9 * (1.0 - dVdseff_dVd);
          }
          else
          {   VACLM = MAX_EXP;
              dVACLM_dVd = dVACLM_dVg = dVACLM_dVb = 0.0;
          }

/* Calculate VADIBL */
          if (pParam->BSIM3thetaRout > 0.0)
          {   T8 = Abulk * Vdsat;
              T0 = Vgst2Vtm * T8;
              dT0_dVg = Vgst2Vtm * Abulk * dVdsat_dVg + T8
                      + Vgst2Vtm * Vdsat * dAbulk_dVg;
              dT0_dVb = Vgst2Vtm * (dAbulk_dVb * Vdsat + Abulk * dVdsat_dVb);
              dT0_dVd = Vgst2Vtm * Abulk * dVdsat_dVd;

              T1 = Vgst2Vtm + T8;
              dT1_dVg = 1.0 + Abulk * dVdsat_dVg + Vdsat * dAbulk_dVg;
              dT1_dVb = Abulk * dVdsat_dVb + dAbulk_dVb * Vdsat;
              dT1_dVd = Abulk * dVdsat_dVd;

              T9 = T1 * T1;
              T2 = pParam->BSIM3thetaRout;
              VADIBL = (Vgst2Vtm - T0 / T1) / T2;
              dVADIBL_dVg = (1.0 - dT0_dVg / T1 + T0 * dT1_dVg / T9) / T2;
              dVADIBL_dVb = (-dT0_dVb / T1 + T0 * dT1_dVb / T9) / T2;
              dVADIBL_dVd = (-dT0_dVd / T1 + T0 * dT1_dVd / T9) / T2;

              T7 = pParam->BSIM3pdiblb * Vbseff;
              if (T7 >= -0.9)
              {   T3 = 1.0 / (1.0 + T7);
                  VADIBL *= T3;
                  dVADIBL_dVg *= T3;
                  dVADIBL_dVb = (dVADIBL_dVb - VADIBL * pParam->BSIM3pdiblb)
                              * T3;
                  dVADIBL_dVd *= T3;
              }
              else
/* Added to avoid the discontinuity problem caused by pdiblcb */
              {   T4 = 1.0 / (0.8 + T7);
                  T3 = (17.0 + 20.0 * T7) * T4;
                  dVADIBL_dVg *= T3;
                  dVADIBL_dVb = dVADIBL_dVb * T3
                              - VADIBL * pParam->BSIM3pdiblb * T4 * T4;
                  dVADIBL_dVd *= T3;
                  VADIBL *= T3;
              }
          }
          else
          {   VADIBL = MAX_EXP;
              dVADIBL_dVd = dVADIBL_dVg = dVADIBL_dVb = 0.0;
          }

/* Calculate VA */

          T8 = pParam->BSIM3pvag / EsatL;
          T9 = T8 * Vgsteff;
          if (T9 > -0.9)
          {   T0 = 1.0 + T9;
              dT0_dVg = T8 * (1.0 - Vgsteff * dEsatL_dVg / EsatL);
              dT0_dVb = -T9 * dEsatL_dVb / EsatL;
              dT0_dVd = -T9 * dEsatL_dVd / EsatL;
          }
          else /* Added to avoid the discontinuity problems caused by pvag */
          {   T1 = 1.0 / (17.0 + 20.0 * T9);
              T0 = (0.8 + T9) * T1;
              T1 *= T1;
              dT0_dVg = T8 * (1.0 - Vgsteff * dEsatL_dVg / EsatL) * T1;

              T9 *= T1 / EsatL;
              dT0_dVb = -T9 * dEsatL_dVb;
              dT0_dVd = -T9 * dEsatL_dVd;
          }

          tmp1 = VACLM * VACLM;
          tmp2 = VADIBL * VADIBL;
          tmp3 = VACLM + VADIBL;

          T1 = VACLM * VADIBL / tmp3;
          tmp3 *= tmp3;
          dT1_dVg = (tmp1 * dVADIBL_dVg + tmp2 * dVACLM_dVg) / tmp3;
          dT1_dVd = (tmp1 * dVADIBL_dVd + tmp2 * dVACLM_dVd) / tmp3;
          dT1_dVb = (tmp1 * dVADIBL_dVb + tmp2 * dVACLM_dVb) / tmp3;

          Va = Vasat + T0 * T1;
          dVa_dVg = dVasat_dVg + T1 * dT0_dVg + T0 * dT1_dVg;
          dVa_dVd = dVasat_dVd + T1 * dT0_dVd + T0 * dT1_dVd;
          dVa_dVb = dVasat_dVb + T1 * dT0_dVb + T0 * dT1_dVb;

/* Calculate VASCBE */
          if (pParam->BSIM3pscbe2 > 0.0)
          {   if (diffVds > pParam->BSIM3pscbe1 * pParam->BSIM3litl
                  / EXP_THRESHOLD)
              {   T0 =  pParam->BSIM3pscbe1 * pParam->BSIM3litl / diffVds;
                  VASCBE = Leff * exp(T0) / pParam->BSIM3pscbe2;
                  T1 = T0 * VASCBE / diffVds;
                  dVASCBE_dVg = T1 * dVdseff_dVg;
                  dVASCBE_dVd = -T1 * (1.0 - dVdseff_dVd);
                  dVASCBE_dVb = T1 * dVdseff_dVb;
              }
              else
              {   VASCBE = MAX_EXP * Leff/pParam->BSIM3pscbe2;
                  dVASCBE_dVg = dVASCBE_dVd = dVASCBE_dVb = 0.0;
              }
          }
          else
          {   VASCBE = MAX_EXP;
              dVASCBE_dVg = dVASCBE_dVd = dVASCBE_dVb = 0.0;
          }

/* Calculate Ids */
          CoxWovL = model->BSIM3cox * Weff / Leff;
          beta = ueff * CoxWovL;
          dbeta_dVg = CoxWovL * dueff_dVg + beta * dWeff_dVg / Weff;
          dbeta_dVd = CoxWovL * dueff_dVd;
          dbeta_dVb = CoxWovL * dueff_dVb + beta * dWeff_dVb / Weff;

          T0 = 1.0 - 0.5 * Abulk * Vdseff / Vgst2Vtm;
          dT0_dVg = -0.5 * (Abulk * dVdseff_dVg
                  - Abulk * Vdseff / Vgst2Vtm + Vdseff * dAbulk_dVg) / Vgst2Vtm;
          dT0_dVd = -0.5 * Abulk * dVdseff_dVd / Vgst2Vtm;
          dT0_dVb = -0.5 * (Abulk * dVdseff_dVb + dAbulk_dVb * Vdseff)
                  / Vgst2Vtm;

          fgche1 = Vgsteff * T0;
          dfgche1_dVg = Vgsteff * dT0_dVg + T0;
          dfgche1_dVd = Vgsteff * dT0_dVd;
          dfgche1_dVb = Vgsteff * dT0_dVb;

          T9 = Vdseff / EsatL;
          fgche2 = 1.0 + T9;
          dfgche2_dVg = (dVdseff_dVg - T9 * dEsatL_dVg) / EsatL;
          dfgche2_dVd = (dVdseff_dVd - T9 * dEsatL_dVd) / EsatL;
          dfgche2_dVb = (dVdseff_dVb - T9 * dEsatL_dVb) / EsatL;

          gche = beta * fgche1 / fgche2;
          dgche_dVg = (beta * dfgche1_dVg + fgche1 * dbeta_dVg
                    - gche * dfgche2_dVg) / fgche2;
          dgche_dVd = (beta * dfgche1_dVd + fgche1 * dbeta_dVd
                    - gche * dfgche2_dVd) / fgche2;
          dgche_dVb = (beta * dfgche1_dVb + fgche1 * dbeta_dVb
                    - gche * dfgche2_dVb) / fgche2;

          T0 = 1.0 + gche * Rds;
          T9 = Vdseff / T0;
          Idl = gche * T9;

          dIdl_dVg = (gche * dVdseff_dVg + T9 * dgche_dVg) / T0
                   - Idl * gche / T0 * dRds_dVg ;

          dIdl_dVd = (gche * dVdseff_dVd + T9 * dgche_dVd) / T0;
          dIdl_dVb = (gche * dVdseff_dVb + T9 * dgche_dVb
                   - Idl * dRds_dVb * gche) / T0;

          T9 =  diffVds / Va;
          T0 =  1.0 + T9;
          Idsa = Idl * T0;
          dIdsa_dVg = T0 * dIdl_dVg - Idl * (dVdseff_dVg + T9 * dVa_dVg) / Va;
          dIdsa_dVd = T0 * dIdl_dVd + Idl * (1.0 - dVdseff_dVd
                    - T9 * dVa_dVd) / Va;
          dIdsa_dVb = T0 * dIdl_dVb - Idl * (dVdseff_dVb + T9 * dVa_dVb) / Va;

          T9 = diffVds / VASCBE;
          T0 = 1.0 + T9;
          Ids = Idsa * T0;

          Gm = T0 * dIdsa_dVg - Idsa * (dVdseff_dVg + T9 * dVASCBE_dVg) / VASCBE;
          Gds = T0 * dIdsa_dVd + Idsa * (1.0 - dVdseff_dVd
              - T9 * dVASCBE_dVd) / VASCBE;
          Gmb = T0 * dIdsa_dVb - Idsa * (dVdseff_dVb
              + T9 * dVASCBE_dVb) / VASCBE;

          Gds += Gm * dVgsteff_dVd;
          Gmb += Gm * dVgsteff_dVb;
          Gm *= dVgsteff_dVg;
          Gmb *= dVbseff_dVb;

          /* Substrate current begins */
          tmp = pParam->BSIM3alpha0 + pParam->BSIM3alpha1 * Leff;
          if ((tmp <= 0.0) || (pParam->BSIM3beta0 <= 0.0))
          {   Isub = Gbd = Gbb = Gbg = 0.0;
          }
          else
          {   T2 = tmp / Leff;
              if (diffVds > pParam->BSIM3beta0 / EXP_THRESHOLD)
              {   T0 = -pParam->BSIM3beta0 / diffVds;
                  T1 = T2 * diffVds * exp(T0);
                  T3 = T1 / diffVds * (T0 - 1.0);
                  dT1_dVg = T3 * dVdseff_dVg;
                  dT1_dVd = T3 * (dVdseff_dVd - 1.0);
                  dT1_dVb = T3 * dVdseff_dVb;
              }
              else
              {   T3 = T2 * MIN_EXP;
                  T1 = T3 * diffVds;
                  dT1_dVg = -T3 * dVdseff_dVg;
                  dT1_dVd = T3 * (1.0 - dVdseff_dVd);
                  dT1_dVb = -T3 * dVdseff_dVb;
              }
              Isub = T1 * Idsa;
              Gbg = T1 * dIdsa_dVg + Idsa * dT1_dVg;
              Gbd = T1 * dIdsa_dVd + Idsa * dT1_dVd;
              Gbb = T1 * dIdsa_dVb + Idsa * dT1_dVb;

              Gbd += Gbg * dVgsteff_dVd;
              Gbb += Gbg * dVgsteff_dVb;
              Gbg *= dVgsteff_dVg;
              Gbb *= dVbseff_dVb; /* bug fixing */
          }

          cdrain = Ids;
          here->BSIM3gds = Gds;
          here->BSIM3gm = Gm;
          here->BSIM3gmbs = Gmb;

          here->BSIM3gbbs = Gbb;
          here->BSIM3gbgs = Gbg;
          here->BSIM3gbds = Gbd;

          here->BSIM3csub = Isub;

          /* BSIM3 thermal noise Qinv calculated from all capMod
           * 0, 1, 2 & 3 stored in here->BSIM3qinv 1/1998 */

          if ((model->BSIM3xpart < 0) || (!ChargeComputationNeeded))
          {   qgate  = qdrn = qsrc = qbulk = 0.0;
              here->BSIM3cggb = here->BSIM3cgsb = here->BSIM3cgdb = 0.0;
              here->BSIM3cdgb = here->BSIM3cdsb = here->BSIM3cddb = 0.0;
              here->BSIM3cbgb = here->BSIM3cbsb = here->BSIM3cbdb = 0.0;
              here->BSIM3cqdb = here->BSIM3cqsb = here->BSIM3cqgb
                              = here->BSIM3cqbb = 0.0;
              here->BSIM3gtau = 0.0;
              goto finished;
          }
          else if (model->BSIM3capMod == 0)
          {
              if (Vbseff < 0.0)
              {   Vbseff = Vbs;
                  dVbseff_dVb = 1.0;
              }
              else
              {   Vbseff = pParam->BSIM3phi - Phis;
                  dVbseff_dVb = -dPhis_dVb;
              }

              Vfb = pParam->BSIM3vfbcv;
              Vth = Vfb + pParam->BSIM3phi + pParam->BSIM3k1ox * sqrtPhis;
              Vgst = Vgs_eff - Vth;
              dVth_dVb = pParam->BSIM3k1ox * dsqrtPhis_dVb;
              dVgst_dVb = -dVth_dVb;
              dVgst_dVg = dVgs_eff_dVg;

              CoxWL = model->BSIM3cox * pParam->BSIM3weffCV
                    * pParam->BSIM3leffCV;
              Arg1 = Vgs_eff - Vbseff - Vfb;

              if (Arg1 <= 0.0)
              {   qgate = CoxWL * Arg1;
                  qbulk = -qgate;
                  qdrn = 0.0;

                  here->BSIM3cggb = CoxWL * dVgs_eff_dVg;
                  here->BSIM3cgdb = 0.0;
                  here->BSIM3cgsb = CoxWL * (dVbseff_dVb - dVgs_eff_dVg);

                  here->BSIM3cdgb = 0.0;
                  here->BSIM3cddb = 0.0;
                  here->BSIM3cdsb = 0.0;

                  here->BSIM3cbgb = -CoxWL * dVgs_eff_dVg;
                  here->BSIM3cbdb = 0.0;
                  here->BSIM3cbsb = -here->BSIM3cgsb;
                  here->BSIM3qinv = 0.0;
              }
              else if (Vgst <= 0.0)
              {   T1 = 0.5 * pParam->BSIM3k1ox;
                  T2 = sqrt(T1 * T1 + Arg1);
                  qgate = CoxWL * pParam->BSIM3k1ox * (T2 - T1);
                  qbulk = -qgate;
                  qdrn = 0.0;

                  T0 = CoxWL * T1 / T2;
                  here->BSIM3cggb = T0 * dVgs_eff_dVg;
                  here->BSIM3cgdb = 0.0;
                  here->BSIM3cgsb = T0 * (dVbseff_dVb - dVgs_eff_dVg);

                  here->BSIM3cdgb = 0.0;
                  here->BSIM3cddb = 0.0;
                  here->BSIM3cdsb = 0.0;

                  here->BSIM3cbgb = -here->BSIM3cggb;
                  here->BSIM3cbdb = 0.0;
                  here->BSIM3cbsb = -here->BSIM3cgsb;
                  here->BSIM3qinv = 0.0;
              }
              else
              {   One_Third_CoxWL = CoxWL / 3.0;
                  Two_Third_CoxWL = 2.0 * One_Third_CoxWL;

                  AbulkCV = Abulk0 * pParam->BSIM3abulkCVfactor;
                  dAbulkCV_dVb = pParam->BSIM3abulkCVfactor * dAbulk0_dVb;
                  Vdsat = Vgst / AbulkCV;
                  dVdsat_dVg = dVgs_eff_dVg / AbulkCV;
                  dVdsat_dVb = - (Vdsat * dAbulkCV_dVb + dVth_dVb)/ AbulkCV;

                  if (model->BSIM3xpart > 0.5)
                  {   /* 0/100 Charge partition model */
                      if (Vdsat <= Vds)
                      {   /* saturation region */
                          T1 = Vdsat / 3.0;
                          qgate = CoxWL * (Vgs_eff - Vfb
                                - pParam->BSIM3phi - T1);
                          T2 = -Two_Third_CoxWL * Vgst;
                          qbulk = -(qgate + T2);
                          qdrn = 0.0;

                          here->BSIM3cggb = One_Third_CoxWL * (3.0
                                          - dVdsat_dVg) * dVgs_eff_dVg;
                          T2 = -One_Third_CoxWL * dVdsat_dVb;
                          here->BSIM3cgsb = -(here->BSIM3cggb + T2);
                          here->BSIM3cgdb = 0.0;

                          here->BSIM3cdgb = 0.0;
                          here->BSIM3cddb = 0.0;
                          here->BSIM3cdsb = 0.0;

                          here->BSIM3cbgb = -(here->BSIM3cggb
                                          - Two_Third_CoxWL * dVgs_eff_dVg);
                          T3 = -(T2 + Two_Third_CoxWL * dVth_dVb);
                          here->BSIM3cbsb = -(here->BSIM3cbgb + T3);
                          here->BSIM3cbdb = 0.0;
                          here->BSIM3qinv = -(qgate + qbulk);
                      }
                      else
                      {   /* linear region */
                          Alphaz = Vgst / Vdsat;
                          T1 = 2.0 * Vdsat - Vds;
                          T2 = Vds / (3.0 * T1);
                          T3 = T2 * Vds;
                          T9 = 0.25 * CoxWL;
                          T4 = T9 * Alphaz;
                          T7 = 2.0 * Vds - T1 - 3.0 * T3;
                          T8 = T3 - T1 - 2.0 * Vds;
                          qgate = CoxWL * (Vgs_eff - Vfb
                                - pParam->BSIM3phi - 0.5 * (Vds - T3));
                          T10 = T4 * T8;
                          qdrn = T4 * T7;
                          qbulk = -(qgate + qdrn + T10);

                          T5 = T3 / T1;
                          here->BSIM3cggb = CoxWL * (1.0 - T5 * dVdsat_dVg)
                                          * dVgs_eff_dVg;
                          T11 = -CoxWL * T5 * dVdsat_dVb;
                          here->BSIM3cgdb = CoxWL * (T2 - 0.5 + 0.5 * T5);
                          here->BSIM3cgsb = -(here->BSIM3cggb + T11
                                          + here->BSIM3cgdb);
                          T6 = 1.0 / Vdsat;
                          dAlphaz_dVg = T6 * (1.0 - Alphaz * dVdsat_dVg);
                          dAlphaz_dVb = -T6 * (dVth_dVb + Alphaz * dVdsat_dVb);
                          T7 = T9 * T7;
                          T8 = T9 * T8;
                          T9 = 2.0 * T4 * (1.0 - 3.0 * T5);
                          here->BSIM3cdgb = (T7 * dAlphaz_dVg - T9
                                          * dVdsat_dVg) * dVgs_eff_dVg;
                          T12 = T7 * dAlphaz_dVb - T9 * dVdsat_dVb;
                          here->BSIM3cddb = T4 * (3.0 - 6.0 * T2 - 3.0 * T5);
                          here->BSIM3cdsb = -(here->BSIM3cdgb + T12
                                          + here->BSIM3cddb);

                          T9 = 2.0 * T4 * (1.0 + T5);
                          T10 = (T8 * dAlphaz_dVg - T9 * dVdsat_dVg)
                              * dVgs_eff_dVg;
                          T11 = T8 * dAlphaz_dVb - T9 * dVdsat_dVb;
                          T12 = T4 * (2.0 * T2 + T5 - 1.0);
                          T0 = -(T10 + T11 + T12);

                          here->BSIM3cbgb = -(here->BSIM3cggb
                                          + here->BSIM3cdgb + T10);
                          here->BSIM3cbdb = -(here->BSIM3cgdb
                                          + here->BSIM3cddb + T12);
                          here->BSIM3cbsb = -(here->BSIM3cgsb
                                          + here->BSIM3cdsb + T0);
                          here->BSIM3qinv = -(qgate + qbulk);
                      }
                  }
                  else if (model->BSIM3xpart < 0.5)
                  {   /* 40/60 Charge partition model */
                      if (Vds >= Vdsat)
                      {   /* saturation region */
                          T1 = Vdsat / 3.0;
                          qgate = CoxWL * (Vgs_eff - Vfb
                                - pParam->BSIM3phi - T1);
                          T2 = -Two_Third_CoxWL * Vgst;
                          qbulk = -(qgate + T2);
                          qdrn = 0.4 * T2;

                          here->BSIM3cggb = One_Third_CoxWL * (3.0
                                          - dVdsat_dVg) * dVgs_eff_dVg;
                          T2 = -One_Third_CoxWL * dVdsat_dVb;
                          here->BSIM3cgsb = -(here->BSIM3cggb + T2);
                          here->BSIM3cgdb = 0.0;

                          T3 = 0.4 * Two_Third_CoxWL;
                          here->BSIM3cdgb = -T3 * dVgs_eff_dVg;
                          here->BSIM3cddb = 0.0;
                          T4 = T3 * dVth_dVb;
                          here->BSIM3cdsb = -(T4 + here->BSIM3cdgb);

                          here->BSIM3cbgb = -(here->BSIM3cggb
                                          - Two_Third_CoxWL * dVgs_eff_dVg);
                          T3 = -(T2 + Two_Third_CoxWL * dVth_dVb);
                          here->BSIM3cbsb = -(here->BSIM3cbgb + T3);
                          here->BSIM3cbdb = 0.0;
                          here->BSIM3qinv = -(qgate + qbulk);
                      }
                      else
                      {   /* linear region  */
                          Alphaz = Vgst / Vdsat;
                          T1 = 2.0 * Vdsat - Vds;
                          T2 = Vds / (3.0 * T1);
                          T3 = T2 * Vds;
                          T9 = 0.25 * CoxWL;
                          T4 = T9 * Alphaz;
                          qgate = CoxWL * (Vgs_eff - Vfb - pParam->BSIM3phi
                                - 0.5 * (Vds - T3));

                          T5 = T3 / T1;
                          here->BSIM3cggb = CoxWL * (1.0 - T5 * dVdsat_dVg)
                                          * dVgs_eff_dVg;
                          tmp = -CoxWL * T5 * dVdsat_dVb;
                          here->BSIM3cgdb = CoxWL * (T2 - 0.5 + 0.5 * T5);
                          here->BSIM3cgsb = -(here->BSIM3cggb
                                          + here->BSIM3cgdb + tmp);

                          T6 = 1.0 / Vdsat;
                          dAlphaz_dVg = T6 * (1.0 - Alphaz * dVdsat_dVg);
                          dAlphaz_dVb = -T6 * (dVth_dVb + Alphaz * dVdsat_dVb);

                          T6 = 8.0 * Vdsat * Vdsat - 6.0 * Vdsat * Vds
                             + 1.2 * Vds * Vds;
                          T8 = T2 / T1;
                          T7 = Vds - T1 - T8 * T6;
                          qdrn = T4 * T7;
                          T7 *= T9;
                          tmp = T8 / T1;
                          tmp1 = T4 * (2.0 - 4.0 * tmp * T6
                               + T8 * (16.0 * Vdsat - 6.0 * Vds));

                          here->BSIM3cdgb = (T7 * dAlphaz_dVg - tmp1
                                          * dVdsat_dVg) * dVgs_eff_dVg;
                          T10 = T7 * dAlphaz_dVb - tmp1 * dVdsat_dVb;
                          here->BSIM3cddb = T4 * (2.0 - (1.0 / (3.0 * T1
                                          * T1) + 2.0 * tmp) * T6 + T8
                                          * (6.0 * Vdsat - 2.4 * Vds));
                          here->BSIM3cdsb = -(here->BSIM3cdgb
                                          + T10 + here->BSIM3cddb);

                          T7 = 2.0 * (T1 + T3);
                          qbulk = -(qgate - T4 * T7);
                          T7 *= T9;
                          T0 = 4.0 * T4 * (1.0 - T5);
                          T12 = (-T7 * dAlphaz_dVg - here->BSIM3cdgb
                              - T0 * dVdsat_dVg) * dVgs_eff_dVg;
                          T11 = -T7 * dAlphaz_dVb - T10 - T0 * dVdsat_dVb;
                          T10 = -4.0 * T4 * (T2 - 0.5 + 0.5 * T5)
                              - here->BSIM3cddb;
                          tmp = -(T10 + T11 + T12);

                          here->BSIM3cbgb = -(here->BSIM3cggb
                                          + here->BSIM3cdgb + T12);
                          here->BSIM3cbdb = -(here->BSIM3cgdb
                                          + here->BSIM3cddb + T10); /* bug fix */
                          here->BSIM3cbsb = -(here->BSIM3cgsb
                                          + here->BSIM3cdsb + tmp);
                          here->BSIM3qinv = -(qgate + qbulk);
                      }
                  }
                  else
                  {   /* 50/50 partitioning */
                      if (Vds >= Vdsat)
                      {   /* saturation region */
                          T1 = Vdsat / 3.0;
                          qgate = CoxWL * (Vgs_eff - Vfb
                                - pParam->BSIM3phi - T1);
                          T2 = -Two_Third_CoxWL * Vgst;
                          qbulk = -(qgate + T2);
                          qdrn = 0.5 * T2;

                          here->BSIM3cggb = One_Third_CoxWL * (3.0
                                          - dVdsat_dVg) * dVgs_eff_dVg;
                          T2 = -One_Third_CoxWL * dVdsat_dVb;
                          here->BSIM3cgsb = -(here->BSIM3cggb + T2);
                          here->BSIM3cgdb = 0.0;

                          here->BSIM3cdgb = -One_Third_CoxWL * dVgs_eff_dVg;
                          here->BSIM3cddb = 0.0;
                          T4 = One_Third_CoxWL * dVth_dVb;
                          here->BSIM3cdsb = -(T4 + here->BSIM3cdgb);

                          here->BSIM3cbgb = -(here->BSIM3cggb
                                          - Two_Third_CoxWL * dVgs_eff_dVg);
                          T3 = -(T2 + Two_Third_CoxWL * dVth_dVb);
                          here->BSIM3cbsb = -(here->BSIM3cbgb + T3);
                          here->BSIM3cbdb = 0.0;
                          here->BSIM3qinv = -(qgate + qbulk);
                      }
                      else
                      {   /* linear region */
                          Alphaz = Vgst / Vdsat;
                          T1 = 2.0 * Vdsat - Vds;
                          T2 = Vds / (3.0 * T1);
                          T3 = T2 * Vds;
                          T9 = 0.25 * CoxWL;
                          T4 = T9 * Alphaz;
                          qgate = CoxWL * (Vgs_eff - Vfb - pParam->BSIM3phi
                                - 0.5 * (Vds - T3));

                          T5 = T3 / T1;
                          here->BSIM3cggb = CoxWL * (1.0 - T5 * dVdsat_dVg)
                                          * dVgs_eff_dVg;
                          tmp = -CoxWL * T5 * dVdsat_dVb;
                          here->BSIM3cgdb = CoxWL * (T2 - 0.5 + 0.5 * T5);
                          here->BSIM3cgsb = -(here->BSIM3cggb
                                          + here->BSIM3cgdb + tmp);

                          T6 = 1.0 / Vdsat;
                          dAlphaz_dVg = T6 * (1.0 - Alphaz * dVdsat_dVg);
                          dAlphaz_dVb = -T6 * (dVth_dVb + Alphaz * dVdsat_dVb);

                          T7 = T1 + T3;
                          qdrn = -T4 * T7;
                          qbulk = - (qgate + qdrn + qdrn);
                          T7 *= T9;
                          T0 = T4 * (2.0 * T5 - 2.0);

                          here->BSIM3cdgb = (T0 * dVdsat_dVg - T7
                                          * dAlphaz_dVg) * dVgs_eff_dVg;
                          T12 = T0 * dVdsat_dVb - T7 * dAlphaz_dVb;
                          here->BSIM3cddb = T4 * (1.0 - 2.0 * T2 - T5);
                          here->BSIM3cdsb = -(here->BSIM3cdgb + T12
                                          + here->BSIM3cddb);

                          here->BSIM3cbgb = -(here->BSIM3cggb
                                          + 2.0 * here->BSIM3cdgb);
                          here->BSIM3cbdb = -(here->BSIM3cgdb
                                          + 2.0 * here->BSIM3cddb);
                          here->BSIM3cbsb = -(here->BSIM3cgsb
                                          + 2.0 * here->BSIM3cdsb);
                          here->BSIM3qinv = -(qgate + qbulk);
                      }
                  }
              }
          }
          else
          {   if (Vbseff < 0.0)
              {   VbseffCV = Vbseff;
                  dVbseffCV_dVb = 1.0;
              }
              else
              {   VbseffCV = pParam->BSIM3phi - Phis;
                  dVbseffCV_dVb = -dPhis_dVb;
              }

              CoxWL = model->BSIM3cox * pParam->BSIM3weffCV
                    * pParam->BSIM3leffCV;

              /* Seperate VgsteffCV with noff and voffcv */
              noff = n * pParam->BSIM3noff;
              dnoff_dVd = pParam->BSIM3noff * dn_dVd;
              dnoff_dVb = pParam->BSIM3noff * dn_dVb;
              T0 = Vtm * noff;
              voffcv = pParam->BSIM3voffcv;
              VgstNVt = (Vgst - voffcv) / T0;

              if (VgstNVt > EXP_THRESHOLD)
              {   Vgsteff = Vgst - voffcv;
                  dVgsteff_dVg = dVgs_eff_dVg;
                  dVgsteff_dVd = -dVth_dVd;
                  dVgsteff_dVb = -dVth_dVb;
              }
              else if (VgstNVt < -EXP_THRESHOLD)
              {   Vgsteff = T0 * log(1.0 + MIN_EXP);
                  dVgsteff_dVg = 0.0;
                  dVgsteff_dVd = Vgsteff / noff;
                  dVgsteff_dVb = dVgsteff_dVd * dnoff_dVb;
                  dVgsteff_dVd *= dnoff_dVd;
              }
              else
              {   ExpVgst = exp(VgstNVt);
                  Vgsteff = T0 * log(1.0 + ExpVgst);
                  dVgsteff_dVg = ExpVgst / (1.0 + ExpVgst);
                  dVgsteff_dVd = -dVgsteff_dVg * (dVth_dVd + (Vgst - voffcv)
                               / noff * dnoff_dVd) + Vgsteff / noff * dnoff_dVd;
                  dVgsteff_dVb = -dVgsteff_dVg * (dVth_dVb + (Vgst - voffcv)
                               / noff * dnoff_dVb) + Vgsteff / noff * dnoff_dVb;
                  dVgsteff_dVg *= dVgs_eff_dVg;
              } /* End of VgsteffCV */

              if (model->BSIM3capMod == 1)
              {   Vfb = here->BSIM3vfbzb;
                  Arg1 = Vgs_eff - VbseffCV - Vfb - Vgsteff;

                  if (Arg1 <= 0.0)
                  {   qgate = CoxWL * Arg1;
                      Cgg = CoxWL * (dVgs_eff_dVg - dVgsteff_dVg);
                      Cgd = -CoxWL * dVgsteff_dVd;
                      Cgb = -CoxWL * (dVbseffCV_dVb + dVgsteff_dVb);
                  }
                  else
                  {   T0 = 0.5 * pParam->BSIM3k1ox;
                      T1 = sqrt(T0 * T0 + Arg1);
                      T2 = CoxWL * T0 / T1;

                      qgate = CoxWL * pParam->BSIM3k1ox * (T1 - T0);

                      Cgg = T2 * (dVgs_eff_dVg - dVgsteff_dVg);
                      Cgd = -T2 * dVgsteff_dVd;
                      Cgb = -T2 * (dVbseffCV_dVb + dVgsteff_dVb);
                  }
                  qbulk = -qgate;
                  Cbg = -Cgg;
                  Cbd = -Cgd;
                  Cbb = -Cgb;

                  One_Third_CoxWL = CoxWL / 3.0;
                  Two_Third_CoxWL = 2.0 * One_Third_CoxWL;
                  AbulkCV = Abulk0 * pParam->BSIM3abulkCVfactor;
                  dAbulkCV_dVb = pParam->BSIM3abulkCVfactor * dAbulk0_dVb;
                  VdsatCV = Vgsteff / AbulkCV;
                  if (VdsatCV < Vds)
                  {   dVdsatCV_dVg = 1.0 / AbulkCV;
                      dVdsatCV_dVb = -VdsatCV * dAbulkCV_dVb / AbulkCV;
                      T0 = Vgsteff - VdsatCV / 3.0;
                      dT0_dVg = 1.0 - dVdsatCV_dVg / 3.0;
                      dT0_dVb = -dVdsatCV_dVb / 3.0;
                      qgate += CoxWL * T0;
                      Cgg1 = CoxWL * dT0_dVg;
                      Cgb1 = CoxWL * dT0_dVb + Cgg1 * dVgsteff_dVb;
                      Cgd1 = Cgg1 * dVgsteff_dVd;
                      Cgg1 *= dVgsteff_dVg;
                      Cgg += Cgg1;
                      Cgb += Cgb1;
                      Cgd += Cgd1;

                      T0 = VdsatCV - Vgsteff;
                      dT0_dVg = dVdsatCV_dVg - 1.0;
                      dT0_dVb = dVdsatCV_dVb;
                      qbulk += One_Third_CoxWL * T0;
                      Cbg1 = One_Third_CoxWL * dT0_dVg;
                      Cbb1 = One_Third_CoxWL * dT0_dVb + Cbg1 * dVgsteff_dVb;
                      Cbd1 = Cbg1 * dVgsteff_dVd;
                      Cbg1 *= dVgsteff_dVg;
                      Cbg += Cbg1;
                      Cbb += Cbb1;
                      Cbd += Cbd1;

                      if (model->BSIM3xpart > 0.5)
                          T0 = -Two_Third_CoxWL;
                      else if (model->BSIM3xpart < 0.5)
                          T0 = -0.4 * CoxWL;
                      else
                          T0 = -One_Third_CoxWL;

                      qsrc = T0 * Vgsteff;
                      Csg = T0 * dVgsteff_dVg;
                      Csb = T0 * dVgsteff_dVb;
                      Csd = T0 * dVgsteff_dVd;
                      Cgb *= dVbseff_dVb;
                      Cbb *= dVbseff_dVb;
                      Csb *= dVbseff_dVb;
                  }
                  else
                  {   T0 = AbulkCV * Vds;
                      T1 = 12.0 * (Vgsteff - 0.5 * T0 + 1.e-20);
                      T2 = Vds / T1;
                      T3 = T0 * T2;
                      dT3_dVg = -12.0 * T2 * T2 * AbulkCV;
                      dT3_dVd = 6.0 * T0 * (4.0 * Vgsteff - T0) / T1 / T1 - 0.5;
                      dT3_dVb = 12.0 * T2 * T2 * dAbulkCV_dVb * Vgsteff;

                      qgate += CoxWL * (Vgsteff - 0.5 * Vds + T3);
                      Cgg1 = CoxWL * (1.0 + dT3_dVg);
                      Cgb1 = CoxWL * dT3_dVb + Cgg1 * dVgsteff_dVb;
                      Cgd1 = CoxWL * dT3_dVd + Cgg1 * dVgsteff_dVd;
                      Cgg1 *= dVgsteff_dVg;
                      Cgg += Cgg1;
                      Cgb += Cgb1;
                      Cgd += Cgd1;

                      qbulk += CoxWL * (1.0 - AbulkCV) * (0.5 * Vds - T3);
                      Cbg1 = -CoxWL * ((1.0 - AbulkCV) * dT3_dVg);
                      Cbb1 = -CoxWL * ((1.0 - AbulkCV) * dT3_dVb
                           + (0.5 * Vds - T3) * dAbulkCV_dVb)
                           + Cbg1 * dVgsteff_dVb;
                      Cbd1 = -CoxWL * (1.0 - AbulkCV) * dT3_dVd
                           + Cbg1 * dVgsteff_dVd;
                      Cbg1 *= dVgsteff_dVg;
                      Cbg += Cbg1;
                      Cbb += Cbb1;
                      Cbd += Cbd1;

                      if (model->BSIM3xpart > 0.5)
                      {   /* 0/100 Charge petition model */
                          T1 = T1 + T1;
                          qsrc = -CoxWL * (0.5 * Vgsteff + 0.25 * T0
                               - T0 * T0 / T1);
                          Csg = -CoxWL * (0.5 + 24.0 * T0 * Vds / T1 / T1
                              * AbulkCV);
                          Csb = -CoxWL * (0.25 * Vds * dAbulkCV_dVb
                              - 12.0 * T0 * Vds / T1 / T1 * (4.0 * Vgsteff - T0)
                              * dAbulkCV_dVb) + Csg * dVgsteff_dVb;
                          Csd = -CoxWL * (0.25 * AbulkCV - 12.0 * AbulkCV * T0
                              / T1 / T1 * (4.0 * Vgsteff - T0))
                              + Csg * dVgsteff_dVd;
                          Csg *= dVgsteff_dVg;
                      }
                      else if (model->BSIM3xpart < 0.5)
                      {   /* 40/60 Charge petition model */
                          T1 = T1 / 12.0;
                          T2 = 0.5 * CoxWL / (T1 * T1);
                          T3 = Vgsteff * (2.0 * T0 * T0 / 3.0 + Vgsteff
                             * (Vgsteff - 4.0 * T0 / 3.0))
                             - 2.0 * T0 * T0 * T0 / 15.0;
                          qsrc = -T2 * T3;
                          T4 = 4.0 / 3.0 * Vgsteff * (Vgsteff - T0)
                             + 0.4 * T0 * T0;
                          Csg = -2.0 * qsrc / T1 - T2 * (Vgsteff * (3.0
                              * Vgsteff - 8.0 * T0 / 3.0)
                              + 2.0 * T0 * T0 / 3.0);
                          Csb = (qsrc / T1 * Vds + T2 * T4 * Vds) * dAbulkCV_dVb
                              + Csg * dVgsteff_dVb;
                          Csd = (qsrc / T1 + T2 * T4) * AbulkCV
                              + Csg * dVgsteff_dVd;
                          Csg *= dVgsteff_dVg;
                      }
                      else
                      {   /* 50/50 Charge petition model */
                          qsrc = -0.5 * (qgate + qbulk);
                          Csg = -0.5 * (Cgg1 + Cbg1);
                          Csb = -0.5 * (Cgb1 + Cbb1);
                          Csd = -0.5 * (Cgd1 + Cbd1);
                      }
                      Cgb *= dVbseff_dVb;
                      Cbb *= dVbseff_dVb;
                      Csb *= dVbseff_dVb;
                  }
                  qdrn = -(qgate + qbulk + qsrc);
                  here->BSIM3cggb = Cgg;
                  here->BSIM3cgsb = -(Cgg + Cgd + Cgb);
                  here->BSIM3cgdb = Cgd;
                  here->BSIM3cdgb = -(Cgg + Cbg + Csg);
                  here->BSIM3cdsb = (Cgg + Cgd + Cgb + Cbg + Cbd + Cbb
                                  + Csg + Csd + Csb);
                  here->BSIM3cddb = -(Cgd + Cbd + Csd);
                  here->BSIM3cbgb = Cbg;
                  here->BSIM3cbsb = -(Cbg + Cbd + Cbb);
                  here->BSIM3cbdb = Cbd;
                  here->BSIM3qinv = -(qgate + qbulk);
              }

              else if (model->BSIM3capMod == 2)
              {   Vfb = here->BSIM3vfbzb;
                  V3 = Vfb - Vgs_eff + VbseffCV - DELTA_3;
                  if (Vfb <= 0.0)
                  {   T0 = sqrt(V3 * V3 - 4.0 * DELTA_3 * Vfb);
                      T2 = -DELTA_3 / T0;
                  }
                  else
                  {   T0 = sqrt(V3 * V3 + 4.0 * DELTA_3 * Vfb);
                      T2 = DELTA_3 / T0;
                  }

                  T1 = 0.5 * (1.0 + V3 / T0);
                  Vfbeff = Vfb - 0.5 * (V3 + T0);
                  dVfbeff_dVg = T1 * dVgs_eff_dVg;
                  dVfbeff_dVb = -T1 * dVbseffCV_dVb;
                  Qac0 = CoxWL * (Vfbeff - Vfb);
                  dQac0_dVg = CoxWL * dVfbeff_dVg;
                  dQac0_dVb = CoxWL * dVfbeff_dVb;

                  T0 = 0.5 * pParam->BSIM3k1ox;
                  T3 = Vgs_eff - Vfbeff - VbseffCV - Vgsteff;
                  if (pParam->BSIM3k1ox == 0.0)
                  {   T1 = 0.0;
                      T2 = 0.0;
                  }
                  else if (T3 < 0.0)
                  {   T1 = T0 + T3 / pParam->BSIM3k1ox;
                      T2 = CoxWL;
                  }
                  else
                  {   T1 = sqrt(T0 * T0 + T3);
                      T2 = CoxWL * T0 / T1;
                  }

                  Qsub0 = CoxWL * pParam->BSIM3k1ox * (T1 - T0);

                  dQsub0_dVg = T2 * (dVgs_eff_dVg - dVfbeff_dVg - dVgsteff_dVg);
                  dQsub0_dVd = -T2 * dVgsteff_dVd;
                  dQsub0_dVb = -T2 * (dVfbeff_dVb + dVbseffCV_dVb
                             + dVgsteff_dVb);

                  AbulkCV = Abulk0 * pParam->BSIM3abulkCVfactor;
                  dAbulkCV_dVb = pParam->BSIM3abulkCVfactor * dAbulk0_dVb;
                  VdsatCV = Vgsteff / AbulkCV;

                  V4 = VdsatCV - Vds - DELTA_4;
                  T0 = sqrt(V4 * V4 + 4.0 * DELTA_4 * VdsatCV);
                  VdseffCV = VdsatCV - 0.5 * (V4 + T0);
                  T1 = 0.5 * (1.0 + V4 / T0);
                  T2 = DELTA_4 / T0;
                  T3 = (1.0 - T1 - T2) / AbulkCV;
                  dVdseffCV_dVg = T3;
                  dVdseffCV_dVd = T1;
                  dVdseffCV_dVb = -T3 * VdsatCV * dAbulkCV_dVb;
                  /* Added to eliminate non-zero VdseffCV at Vds=0.0 */
                  if (Vds == 0.0)
                  {  VdseffCV = 0.0;
                     dVdseffCV_dVg = 0.0;
                     dVdseffCV_dVb = 0.0;
                  }

                  T0 = AbulkCV * VdseffCV;
                  T1 = 12.0 * (Vgsteff - 0.5 * T0 + 1e-20);
                  T2 = VdseffCV / T1;
                  T3 = T0 * T2;

                  T4 = (1.0 - 12.0 * T2 * T2 * AbulkCV);
                  T5 = (6.0 * T0 * (4.0 * Vgsteff - T0) / (T1 * T1) - 0.5);
                  T6 = 12.0 * T2 * T2 * Vgsteff;

                  qinoi = -CoxWL * (Vgsteff - 0.5 * T0 + AbulkCV * T3);
                  qgate = CoxWL * (Vgsteff - 0.5 * VdseffCV + T3);
                  Cgg1 = CoxWL * (T4 + T5 * dVdseffCV_dVg);
                  Cgd1 = CoxWL * T5 * dVdseffCV_dVd + Cgg1 * dVgsteff_dVd;
                  Cgb1 = CoxWL * (T5 * dVdseffCV_dVb + T6 * dAbulkCV_dVb)
                       + Cgg1 * dVgsteff_dVb;
                  Cgg1 *= dVgsteff_dVg;

                  T7 = 1.0 - AbulkCV;
                  qbulk = CoxWL * T7 * (0.5 * VdseffCV - T3);
                  T4 = -T7 * (T4 - 1.0);
                  T5 = -T7 * T5;
                  T6 = -(T7 * T6 + (0.5 * VdseffCV - T3));
                  Cbg1 = CoxWL * (T4 + T5 * dVdseffCV_dVg);
                  Cbd1 = CoxWL * T5 * dVdseffCV_dVd + Cbg1 * dVgsteff_dVd;
                  Cbb1 = CoxWL * (T5 * dVdseffCV_dVb + T6 * dAbulkCV_dVb)
                       + Cbg1 * dVgsteff_dVb;
                  Cbg1 *= dVgsteff_dVg;

                  if (model->BSIM3xpart > 0.5)
                  {   /* 0/100 Charge petition model */
                      T1 = T1 + T1;
                      qsrc = -CoxWL * (0.5 * Vgsteff + 0.25 * T0
                           - T0 * T0 / T1);
                      T7 = (4.0 * Vgsteff - T0) / (T1 * T1);
                      T4 = -(0.5 + 24.0 * T0 * T0 / (T1 * T1));
                      T5 = -(0.25 * AbulkCV - 12.0 * AbulkCV * T0 * T7);
                      T6 = -(0.25 * VdseffCV - 12.0 * T0 * VdseffCV * T7);
                      Csg = CoxWL * (T4 + T5 * dVdseffCV_dVg);
                      Csd = CoxWL * T5 * dVdseffCV_dVd + Csg * dVgsteff_dVd;
                      Csb = CoxWL * (T5 * dVdseffCV_dVb + T6 * dAbulkCV_dVb)
                          + Csg * dVgsteff_dVb;
                      Csg *= dVgsteff_dVg;
                  }
                  else if (model->BSIM3xpart < 0.5)
                  {   /* 40/60 Charge petition model */
                      T1 = T1 / 12.0;
                      T2 = 0.5 * CoxWL / (T1 * T1);
                      T3 = Vgsteff * (2.0 * T0 * T0 / 3.0 + Vgsteff
                         * (Vgsteff - 4.0 * T0 / 3.0))
                         - 2.0 * T0 * T0 * T0 / 15.0;
                      qsrc = -T2 * T3;
                      T7 = 4.0 / 3.0 * Vgsteff * (Vgsteff - T0)
                         + 0.4 * T0 * T0;
                      T4 = -2.0 * qsrc / T1 - T2 * (Vgsteff * (3.0
                         * Vgsteff - 8.0 * T0 / 3.0)
                         + 2.0 * T0 * T0 / 3.0);
                      T5 = (qsrc / T1 + T2 * T7) * AbulkCV;
                      T6 = (qsrc / T1 * VdseffCV + T2 * T7 * VdseffCV);
                      Csg = (T4 + T5 * dVdseffCV_dVg);
                      Csd = T5 * dVdseffCV_dVd + Csg * dVgsteff_dVd;
                      Csb = (T5 * dVdseffCV_dVb + T6 * dAbulkCV_dVb)
                          + Csg * dVgsteff_dVb;
                      Csg *= dVgsteff_dVg;
                  }
                  else
                  {   /* 50/50 Charge petition model */
                      qsrc = -0.5 * (qgate + qbulk);
                      Csg = -0.5 * (Cgg1 + Cbg1);
                      Csb = -0.5 * (Cgb1 + Cbb1);
                      Csd = -0.5 * (Cgd1 + Cbd1);
                  }

                  qgate += Qac0 + Qsub0;
                  qbulk -= (Qac0 + Qsub0);
                  qdrn = -(qgate + qbulk + qsrc);

                  Cgg = dQac0_dVg + dQsub0_dVg + Cgg1;
                  Cgd = dQsub0_dVd + Cgd1;
                  Cgb = dQac0_dVb + dQsub0_dVb + Cgb1;

                  Cbg = Cbg1 - dQac0_dVg - dQsub0_dVg;
                  Cbd = Cbd1 - dQsub0_dVd;
                  Cbb = Cbb1 - dQac0_dVb - dQsub0_dVb;

                  Cgb *= dVbseff_dVb;
                  Cbb *= dVbseff_dVb;
                  Csb *= dVbseff_dVb;

                  here->BSIM3cggb = Cgg;
                  here->BSIM3cgsb = -(Cgg + Cgd + Cgb);
                  here->BSIM3cgdb = Cgd;
                  here->BSIM3cdgb = -(Cgg + Cbg + Csg);
                  here->BSIM3cdsb = (Cgg + Cgd + Cgb + Cbg + Cbd + Cbb
                                  + Csg + Csd + Csb);
                  here->BSIM3cddb = -(Cgd + Cbd + Csd);
                  here->BSIM3cbgb = Cbg;
                  here->BSIM3cbsb = -(Cbg + Cbd + Cbb);
                  here->BSIM3cbdb = Cbd;
                  here->BSIM3qinv = qinoi;
              }

              /* New Charge-Thickness capMod (CTM) begins */
              else if (model->BSIM3capMod == 3)
              {   V3 = here->BSIM3vfbzb - Vgs_eff + VbseffCV - DELTA_3;
                  if (here->BSIM3vfbzb <= 0.0)
                  {   T0 = sqrt(V3 * V3 - 4.0 * DELTA_3 * here->BSIM3vfbzb);
                      T2 = -DELTA_3 / T0;
                  }
                  else
                  {   T0 = sqrt(V3 * V3 + 4.0 * DELTA_3 * here->BSIM3vfbzb);
                      T2 = DELTA_3 / T0;
                  }

                  T1 = 0.5 * (1.0 + V3 / T0);
                  Vfbeff = here->BSIM3vfbzb - 0.5 * (V3 + T0);
                  dVfbeff_dVg = T1 * dVgs_eff_dVg;
                  dVfbeff_dVb = -T1 * dVbseffCV_dVb;

                  Cox = model->BSIM3cox;
                  Tox = 1.0e8 * model->BSIM3tox;
                  T0 = (Vgs_eff - VbseffCV - here->BSIM3vfbzb) / Tox;
                  dT0_dVg = dVgs_eff_dVg / Tox;
                  dT0_dVb = -dVbseffCV_dVb / Tox;

                  tmp = T0 * pParam->BSIM3acde;
                  if ((-EXP_THRESHOLD < tmp) && (tmp < EXP_THRESHOLD))
                  {   Tcen = pParam->BSIM3ldeb * exp(tmp);
                      dTcen_dVg = pParam->BSIM3acde * Tcen;
                      dTcen_dVb = dTcen_dVg * dT0_dVb;
                      dTcen_dVg *= dT0_dVg;
                  }
                  else if (tmp <= -EXP_THRESHOLD)
                  {   Tcen = pParam->BSIM3ldeb * MIN_EXP;
                      dTcen_dVg = dTcen_dVb = 0.0;
                  }
                  else
                  {   Tcen = pParam->BSIM3ldeb * MAX_EXP;
                      dTcen_dVg = dTcen_dVb = 0.0;
                  }

                  LINK = 1.0e-3 * model->BSIM3tox;
                  V3 = pParam->BSIM3ldeb - Tcen - LINK;
                  V4 = sqrt(V3 * V3 + 4.0 * LINK * pParam->BSIM3ldeb);
                  Tcen = pParam->BSIM3ldeb - 0.5 * (V3 + V4);
                  T1 = 0.5 * (1.0 + V3 / V4);
                  dTcen_dVg *= T1;
                  dTcen_dVb *= T1;

                  Ccen = EPSSI / Tcen;
                  T2 = Cox / (Cox + Ccen);
                  Coxeff = T2 * Ccen;
                  T3 = -Ccen / Tcen;
                  dCoxeff_dVg = T2 * T2 * T3;
                  dCoxeff_dVb = dCoxeff_dVg * dTcen_dVb;
                  dCoxeff_dVg *= dTcen_dVg;
                  CoxWLcen = CoxWL * Coxeff / Cox;

                  Qac0 = CoxWLcen * (Vfbeff - here->BSIM3vfbzb);
                  QovCox = Qac0 / Coxeff;
                  dQac0_dVg = CoxWLcen * dVfbeff_dVg
                            + QovCox * dCoxeff_dVg;
                  dQac0_dVb = CoxWLcen * dVfbeff_dVb
                            + QovCox * dCoxeff_dVb;

                  T0 = 0.5 * pParam->BSIM3k1ox;
                  T3 = Vgs_eff - Vfbeff - VbseffCV - Vgsteff;
                  if (pParam->BSIM3k1ox == 0.0)
                  {   T1 = 0.0;
                      T2 = 0.0;
                  }
                  else if (T3 < 0.0)
                  {   T1 = T0 + T3 / pParam->BSIM3k1ox;
                      T2 = CoxWLcen;
                  }
                  else
                  {   T1 = sqrt(T0 * T0 + T3);
                      T2 = CoxWLcen * T0 / T1;
                  }

                  Qsub0 = CoxWLcen * pParam->BSIM3k1ox * (T1 - T0);
                  QovCox = Qsub0 / Coxeff;
                  dQsub0_dVg = T2 * (dVgs_eff_dVg - dVfbeff_dVg - dVgsteff_dVg)
                             + QovCox * dCoxeff_dVg;
                  dQsub0_dVd = -T2 * dVgsteff_dVd;
                  dQsub0_dVb = -T2 * (dVfbeff_dVb + dVbseffCV_dVb + dVgsteff_dVb)
                             + QovCox * dCoxeff_dVb;

                  /* Gate-bias dependent delta Phis begins */
                  if (pParam->BSIM3k1ox <= 0.0)
                  {   Denomi = 0.25 * pParam->BSIM3moin * Vtm;
                      T0 = 0.5 * pParam->BSIM3sqrtPhi;
                  }
                  else
                  {   Denomi = pParam->BSIM3moin * Vtm
                             * pParam->BSIM3k1ox * pParam->BSIM3k1ox;
                      T0 = pParam->BSIM3k1ox * pParam->BSIM3sqrtPhi;
                  }
                  T1 = 2.0 * T0 + Vgsteff;

                  DeltaPhi = Vtm * log(1.0 + T1 * Vgsteff / Denomi);
                  dDeltaPhi_dVg = 2.0 * Vtm * (T1 -T0) / (Denomi + T1 * Vgsteff);
                  /* End of delta Phis */

                  /* VgDP = Vgsteff - DeltaPhi */
                  T0 = Vgsteff - DeltaPhi - 0.001;
                  dT0_dVg = 1.0 - dDeltaPhi_dVg;
                  T1 = sqrt(T0 * T0 + Vgsteff * 0.004);
                  VgDP = 0.5 * (T0 + T1);
                  dVgDP_dVg = 0.5 * (dT0_dVg + (T0 * dT0_dVg + 0.002) / T1);

                  T3 = 4.0 * (Vth - here->BSIM3vfbzb - pParam->BSIM3phi);
                  Tox += Tox;
                  if (T3 >= 0.0)
                  {  T0 = (Vgsteff + T3) / Tox;
                     dT0_dVd = (dVgsteff_dVd + 4.0 * dVth_dVd) / Tox;
                     dT0_dVb = (dVgsteff_dVb + 4.0 * dVth_dVb) / Tox;
                  }
                  else
                  {  T0 = (Vgsteff + 1.0e-20) / Tox;
                     dT0_dVd = dVgsteff_dVd / Tox;
                     dT0_dVb = dVgsteff_dVb / Tox;
                  }
                  tmp = exp(0.7 * log(T0));
                  T1 = 1.0 + tmp;
                  T2 = 0.7 * tmp / (T0 * Tox);
                  Tcen = 1.9e-9 / T1;
                  dTcen_dVg = -1.9e-9 * T2 / T1 /T1;
                  dTcen_dVd = Tox * dTcen_dVg;
                  dTcen_dVb = dTcen_dVd * dT0_dVb;
                  dTcen_dVd *= dT0_dVd;
                  dTcen_dVg *= dVgsteff_dVg;

                  Ccen = EPSSI / Tcen;
                  T0 = Cox / (Cox + Ccen);
                  Coxeff = T0 * Ccen;
                  T1 = -Ccen / Tcen;
                  dCoxeff_dVg = T0 * T0 * T1;
                  dCoxeff_dVd = dCoxeff_dVg * dTcen_dVd;
                  dCoxeff_dVb = dCoxeff_dVg * dTcen_dVb;
                  dCoxeff_dVg *= dTcen_dVg;
                  CoxWLcen = CoxWL * Coxeff / Cox;

                  AbulkCV = Abulk0 * pParam->BSIM3abulkCVfactor;
                  dAbulkCV_dVb = pParam->BSIM3abulkCVfactor * dAbulk0_dVb;
                  VdsatCV =  VgDP / AbulkCV;
                  T0 = VdsatCV - Vds - DELTA_4;
                  dT0_dVg = dVgDP_dVg / AbulkCV;
                  dT0_dVb = -VdsatCV * dAbulkCV_dVb / AbulkCV;
                  T1 = sqrt(T0 * T0 + 4.0 * DELTA_4 * VdsatCV);
                  dT1_dVg = (T0 + DELTA_4 + DELTA_4) / T1;
                  dT1_dVd = -T0 / T1;
                  dT1_dVb = dT1_dVg * dT0_dVb;
                  dT1_dVg *= dT0_dVg;
                  if (T0 >= 0.0)
                  {   VdseffCV = VdsatCV - 0.5 * (T0 + T1);
                      dVdseffCV_dVg = 0.5 * (dT0_dVg - dT1_dVg);
                      dVdseffCV_dVd = 0.5 * (1.0 - dT1_dVd);
                      dVdseffCV_dVb = 0.5 * (dT0_dVb - dT1_dVb);
                  }
                  else
                  {   T3 = (DELTA_4 + DELTA_4) / (T1 - T0);
                      T4 = 1.0 - T3;
                      T5 = VdsatCV * T3 / (T1 - T0);
                      VdseffCV = VdsatCV * T4;
                      dVdseffCV_dVg = dT0_dVg * T4 + T5 * (dT1_dVg - dT0_dVg);
                      dVdseffCV_dVd = T5 * (dT1_dVd + 1.0);
                      dVdseffCV_dVb = dT0_dVb * (1.0 - T5) + T5 * dT1_dVb;
                  }

                  /* Added to eliminate non-zero VdseffCV at Vds=0.0 */
                  if (Vds == 0.0)
                  {  VdseffCV = 0.0;
                     dVdseffCV_dVg = 0.0;
                     dVdseffCV_dVb = 0.0;
                  }

                  T0 = AbulkCV * VdseffCV;
                  T1 = VgDP;
                  T2 = 12.0 * (T1 - 0.5 * T0 + 1.0e-20);
                  T3 = T0 / T2;
                  T4 = 1.0 - 12.0 * T3 * T3;
                  T5 = AbulkCV * (6.0 * T0 * (4.0 * T1 - T0) / (T2 * T2) - 0.5);
                  T6 = T5 * VdseffCV / AbulkCV;

                  qgate = qinoi = CoxWLcen * (T1 - T0 * (0.5 - T3));
                  QovCox = qgate / Coxeff;
                  Cgg1 = CoxWLcen * (T4 * dVgDP_dVg
                       + T5 * dVdseffCV_dVg);
                  Cgd1 = CoxWLcen * T5 * dVdseffCV_dVd + Cgg1
                       * dVgsteff_dVd + QovCox * dCoxeff_dVd;
                  Cgb1 = CoxWLcen * (T5 * dVdseffCV_dVb + T6 * dAbulkCV_dVb)
                       + Cgg1 * dVgsteff_dVb + QovCox * dCoxeff_dVb;
                  Cgg1 = Cgg1 * dVgsteff_dVg + QovCox * dCoxeff_dVg;


                  T7 = 1.0 - AbulkCV;
                  T8 = T2 * T2;
                  T9 = 12.0 * T7 * T0 * T0 / (T8 * AbulkCV);
                  T10 = T9 * dVgDP_dVg;
                  T11 = -T7 * T5 / AbulkCV;
                  T12 = -(T9 * T1 / AbulkCV + VdseffCV * (0.5 - T0 / T2));

                  qbulk = CoxWLcen * T7 * (0.5 * VdseffCV - T0 * VdseffCV / T2);
                  QovCox = qbulk / Coxeff;
                  Cbg1 = CoxWLcen * (T10 + T11 * dVdseffCV_dVg);
                  Cbd1 = CoxWLcen * T11 * dVdseffCV_dVd + Cbg1
                       * dVgsteff_dVd + QovCox * dCoxeff_dVd;
                  Cbb1 = CoxWLcen * (T11 * dVdseffCV_dVb + T12 * dAbulkCV_dVb)
                       + Cbg1 * dVgsteff_dVb + QovCox * dCoxeff_dVb;
                  Cbg1 = Cbg1 * dVgsteff_dVg + QovCox * dCoxeff_dVg;

                  if (model->BSIM3xpart > 0.5)
                  {   /* 0/100 partition */
                      qsrc = -CoxWLcen * (T1 / 2.0 + T0 / 4.0
                           - 0.5 * T0 * T0 / T2);
                      QovCox = qsrc / Coxeff;
                      T2 += T2;
                      T3 = T2 * T2;
                      T7 = -(0.25 - 12.0 * T0 * (4.0 * T1 - T0) / T3);
                      T4 = -(0.5 + 24.0 * T0 * T0 / T3) * dVgDP_dVg;
                      T5 = T7 * AbulkCV;
                      T6 = T7 * VdseffCV;

                      Csg = CoxWLcen * (T4 + T5 * dVdseffCV_dVg);
                      Csd = CoxWLcen * T5 * dVdseffCV_dVd + Csg * dVgsteff_dVd
                          + QovCox * dCoxeff_dVd;
                      Csb = CoxWLcen * (T5 * dVdseffCV_dVb + T6 * dAbulkCV_dVb)
                          + Csg * dVgsteff_dVb + QovCox * dCoxeff_dVb;
                      Csg = Csg * dVgsteff_dVg + QovCox * dCoxeff_dVg;
                  }
                  else if (model->BSIM3xpart < 0.5)
                  {   /* 40/60 partition */
                      T2 = T2 / 12.0;
                      T3 = 0.5 * CoxWLcen / (T2 * T2);
                      T4 = T1 * (2.0 * T0 * T0 / 3.0 + T1 * (T1 - 4.0
                         * T0 / 3.0)) - 2.0 * T0 * T0 * T0 / 15.0;
                      qsrc = -T3 * T4;
                      QovCox = qsrc / Coxeff;
                      T8 = 4.0 / 3.0 * T1 * (T1 - T0) + 0.4 * T0 * T0;
                      T5 = -2.0 * qsrc / T2 - T3 * (T1 * (3.0 * T1 - 8.0
                         * T0 / 3.0) + 2.0 * T0 * T0 / 3.0);
                      T6 = AbulkCV * (qsrc / T2 + T3 * T8);
                      T7 = T6 * VdseffCV / AbulkCV;

                      Csg = T5 * dVgDP_dVg + T6 * dVdseffCV_dVg;
                      Csd = Csg * dVgsteff_dVd + T6 * dVdseffCV_dVd
                          + QovCox * dCoxeff_dVd;
                      Csb = Csg * dVgsteff_dVb + T6 * dVdseffCV_dVb
                          + T7 * dAbulkCV_dVb + QovCox * dCoxeff_dVb;
                      Csg = Csg * dVgsteff_dVg + QovCox * dCoxeff_dVg;
                  }
                  else
                  {   /* 50/50 partition */
                      qsrc = -0.5 * qgate;
                      Csg = -0.5 * Cgg1;
                      Csd = -0.5 * Cgd1;
                      Csb = -0.5 * Cgb1;
                  }

                  qgate += Qac0 + Qsub0 - qbulk;
                  qbulk -= (Qac0 + Qsub0);
                  qdrn = -(qgate + qbulk + qsrc);

                  Cbg = Cbg1 - dQac0_dVg - dQsub0_dVg;
                  Cbd = Cbd1 - dQsub0_dVd;
                  Cbb = Cbb1 - dQac0_dVb - dQsub0_dVb;

                  Cgg = Cgg1 - Cbg;
                  Cgd = Cgd1 - Cbd;
                  Cgb = Cgb1 - Cbb;

                  Cgb *= dVbseff_dVb;
                  Cbb *= dVbseff_dVb;
                  Csb *= dVbseff_dVb;

                  here->BSIM3cggb = Cgg;
                  here->BSIM3cgsb = -(Cgg + Cgd + Cgb);
                  here->BSIM3cgdb = Cgd;
                  here->BSIM3cdgb = -(Cgg + Cbg + Csg);
                  here->BSIM3cdsb = (Cgg + Cgd + Cgb + Cbg + Cbd + Cbb
                                  + Csg + Csd + Csb);
                  here->BSIM3cddb = -(Cgd + Cbd + Csd);
                  here->BSIM3cbgb = Cbg;
                  here->BSIM3cbsb = -(Cbg + Cbd + Cbb);
                  here->BSIM3cbdb = Cbd;
                  here->BSIM3qinv = -qinoi;
              }  /* End of CTM */
          }

finished:
          /* Returning Values to Calling Routine */
          /*
           *  COMPUTE EQUIVALENT DRAIN CURRENT SOURCE
           */

          here->BSIM3qgate = qgate;
          here->BSIM3qbulk = qbulk;
          here->BSIM3qdrn = qdrn;
          here->BSIM3cd = cdrain;

          if (ChargeComputationNeeded)
          {   /*  charge storage elements
               *  bulk-drain and bulk-source depletion capacitances
               *  czbd : zero bias drain junction capacitance
               *  czbs : zero bias source junction capacitance
               *  czbdsw: zero bias drain junction sidewall capacitance
                          along field oxide
               *  czbssw: zero bias source junction sidewall capacitance
                          along field oxide
               *  czbdswg: zero bias drain junction sidewall capacitance
                           along gate side
               *  czbsswg: zero bias source junction sidewall capacitance
                           along gate side
               */

              if (model->BSIM3acmMod == 0)
              {
                  czbd = model->BSIM3unitAreaTempJctCap * here->BSIM3drainArea; /*bug fix */
                  czbs = model->BSIM3unitAreaTempJctCap * here->BSIM3sourceArea;
                  if (here->BSIM3drainPerimeter < pParam->BSIM3weff)
                  {
                  czbdswg = model->BSIM3unitLengthGateSidewallTempJctCap
                          * here->BSIM3drainPerimeter;
                  czbdsw = 0.0;
                  }
                  else
                  {
                  czbdsw = model->BSIM3unitLengthSidewallTempJctCap
                         * (here->BSIM3drainPerimeter - pParam->BSIM3weff);
                  czbdswg = model->BSIM3unitLengthGateSidewallTempJctCap
                          *  pParam->BSIM3weff;
                  }
                  if (here->BSIM3sourcePerimeter < pParam->BSIM3weff)
                  {
                  czbssw = 0.0;
                  czbsswg = model->BSIM3unitLengthGateSidewallTempJctCap
                          * here->BSIM3sourcePerimeter;
                  }
                  else
                  {
                  czbssw = model->BSIM3unitLengthSidewallTempJctCap
                         * (here->BSIM3sourcePerimeter - pParam->BSIM3weff);
                  czbsswg = model->BSIM3unitLengthGateSidewallTempJctCap
                          *  pParam->BSIM3weff;
                  }
              } else {
                  error = ACM_junctionCapacitances(
                  model->BSIM3acmMod,
                  model->BSIM3calcacm,
                  here->BSIM3geo,
                  model->BSIM3hdif,
                  model->BSIM3wmlt,
                  here->BSIM3w,
                  model->BSIM3xw,
                  here->BSIM3drainAreaGiven,
                  here->BSIM3drainArea,
                  here->BSIM3drainPerimeterGiven,
                  here->BSIM3drainPerimeter,
                  here->BSIM3sourceAreaGiven,
                  here->BSIM3sourceArea,
                  here->BSIM3sourcePerimeterGiven,
                  here->BSIM3sourcePerimeter,
                  model->BSIM3unitAreaTempJctCap,
                  model->BSIM3unitLengthSidewallTempJctCap,
                  model->BSIM3unitLengthGateSidewallJctCap,
                  &czbd,
                  &czbdsw,
                  &czbdswg,
                  &czbs,
                  &czbssw,
                  &czbsswg
                  );
                  if (error)
                      return(error);
              }

              MJ = model->BSIM3bulkJctBotGradingCoeff;
              MJSW = model->BSIM3bulkJctSideGradingCoeff;
              MJSWG = model->BSIM3bulkJctGateSideGradingCoeff;

              /* Source Bulk Junction */
              if (vbs == 0.0)
              {   *(ckt->CKTstate0 + here->BSIM3qbs) = 0.0;
                  here->BSIM3capbs = czbs + czbssw + czbsswg;
              }
              else if (vbs < 0.0)
              {   if (czbs > 0.0)
                  {   arg = 1.0 - vbs / model->BSIM3PhiB;
                      if (MJ == 0.5)
                          sarg = 1.0 / sqrt(arg);
                      else
                          sarg = exp(-MJ * log(arg));
                      *(ckt->CKTstate0 + here->BSIM3qbs) = model->BSIM3PhiB * czbs
                                       * (1.0 - arg * sarg) / (1.0 - MJ);
                      here->BSIM3capbs = czbs * sarg;
                  }
                  else
                  {   *(ckt->CKTstate0 + here->BSIM3qbs) = 0.0;
                      here->BSIM3capbs = 0.0;
                  }
                  if (czbssw > 0.0)
                  {   arg = 1.0 - vbs / model->BSIM3PhiBSW;
                      if (MJSW == 0.5)
                          sarg = 1.0 / sqrt(arg);
                      else
                          sarg = exp(-MJSW * log(arg));
                      *(ckt->CKTstate0 + here->BSIM3qbs) += model->BSIM3PhiBSW * czbssw
                                       * (1.0 - arg * sarg) / (1.0 - MJSW);
                      here->BSIM3capbs += czbssw * sarg;
                  }
                  if (czbsswg > 0.0)
                  {   arg = 1.0 - vbs / model->BSIM3PhiBSWG;
                      if (MJSWG == 0.5)
                          sarg = 1.0 / sqrt(arg);
                      else
                          sarg = exp(-MJSWG * log(arg));
                      *(ckt->CKTstate0 + here->BSIM3qbs) += model->BSIM3PhiBSWG * czbsswg
                                       * (1.0 - arg * sarg) / (1.0 - MJSWG);
                      here->BSIM3capbs += czbsswg * sarg;
                  }

              }
              else
              {   T0 = czbs + czbssw + czbsswg;
                  T1 = vbs * (czbs * MJ / model->BSIM3PhiB + czbssw * MJSW
                     / model->BSIM3PhiBSW + czbsswg * MJSWG / model->BSIM3PhiBSWG);
                  *(ckt->CKTstate0 + here->BSIM3qbs) = vbs * (T0 + 0.5 * T1);
                  here->BSIM3capbs = T0 + T1;
              }

              /* Drain Bulk Junction */
              if (vbd == 0.0)
              {   *(ckt->CKTstate0 + here->BSIM3qbd) = 0.0;
                  here->BSIM3capbd = czbd + czbdsw + czbdswg;
              }
              else if (vbd < 0.0)
              {   if (czbd > 0.0)
                  {   arg = 1.0 - vbd / model->BSIM3PhiB;
                      if (MJ == 0.5)
                          sarg = 1.0 / sqrt(arg);
                      else
                          sarg = exp(-MJ * log(arg));
                      *(ckt->CKTstate0 + here->BSIM3qbd) = model->BSIM3PhiB * czbd
                                       * (1.0 - arg * sarg) / (1.0 - MJ);
                      here->BSIM3capbd = czbd * sarg;
                  }
                  else
                  {   *(ckt->CKTstate0 + here->BSIM3qbd) = 0.0;
                      here->BSIM3capbd = 0.0;
                  }
                  if (czbdsw > 0.0)
                  {   arg = 1.0 - vbd / model->BSIM3PhiBSW;
                      if (MJSW == 0.5)
                          sarg = 1.0 / sqrt(arg);
                      else
                          sarg = exp(-MJSW * log(arg));
                      *(ckt->CKTstate0 + here->BSIM3qbd) += model->BSIM3PhiBSW * czbdsw
                                       * (1.0 - arg * sarg) / (1.0 - MJSW);
                      here->BSIM3capbd += czbdsw * sarg;
                  }
                  if (czbdswg > 0.0)
                  {   arg = 1.0 - vbd / model->BSIM3PhiBSWG;
                      if (MJSWG == 0.5)
                          sarg = 1.0 / sqrt(arg);
                      else
                          sarg = exp(-MJSWG * log(arg));
                      *(ckt->CKTstate0 + here->BSIM3qbd) += model->BSIM3PhiBSWG * czbdswg
                                       * (1.0 - arg * sarg) / (1.0 - MJSWG);
                      here->BSIM3capbd += czbdswg * sarg;
                  }
              }
              else
              {   T0 = czbd + czbdsw + czbdswg;
                  T1 = vbd * (czbd * MJ / model->BSIM3PhiB + czbdsw * MJSW
                     / model->BSIM3PhiBSW + czbdswg * MJSWG / model->BSIM3PhiBSWG);
                  *(ckt->CKTstate0 + here->BSIM3qbd) = vbd * (T0 + 0.5 * T1);
                  here->BSIM3capbd = T0 + T1;
              }
          }

          /*
           *  check convergence
           */
          if ((here->BSIM3off == 0) || (!(ckt->CKTmode & MODEINITFIX)))
          {   if (Check == 1)
              {   ckt->CKTnoncon++;
#ifndef NEWCONV
              }
              else
              {   if (here->BSIM3mode >= 0)
                  {   Idtot = here->BSIM3cd + here->BSIM3csub - here->BSIM3cbd;
                  }
                  else
                  {   Idtot = here->BSIM3cd - here->BSIM3cbd;
                  }
                  tol = ckt->CKTreltol * MAX(fabs(cdhat), fabs(Idtot))
                      + ckt->CKTabstol;
                  if (fabs(cdhat - Idtot) >= tol)
                  {   ckt->CKTnoncon++;
                  }
                  else
                  {   Ibtot = here->BSIM3cbs + here->BSIM3cbd - here->BSIM3csub;
                      tol = ckt->CKTreltol * MAX(fabs(cbhat), fabs(Ibtot))
                          + ckt->CKTabstol;
                      if (fabs(cbhat - Ibtot) > tol)
                      {   ckt->CKTnoncon++;
                      }
                  }
#endif /* NEWCONV */
              }
          }
          *(ckt->CKTstate0 + here->BSIM3vbs) = vbs;
          *(ckt->CKTstate0 + here->BSIM3vbd) = vbd;
          *(ckt->CKTstate0 + here->BSIM3vgs) = vgs;
          *(ckt->CKTstate0 + here->BSIM3vds) = vds;
          *(ckt->CKTstate0 + here->BSIM3qdef) = qdef;

          /* bulk and channel charge plus overlaps */

          if (!ChargeComputationNeeded)
              goto line850;
#ifndef NOBYPASS
line755:
#endif
          /* NQS begins */
          if ((here->BSIM3nqsMod) || (here->BSIM3acnqsMod))
          {   qcheq = -(qbulk + qgate);

              here->BSIM3cqgb = -(here->BSIM3cggb + here->BSIM3cbgb);
              here->BSIM3cqdb = -(here->BSIM3cgdb + here->BSIM3cbdb);
              here->BSIM3cqsb = -(here->BSIM3cgsb + here->BSIM3cbsb);
              here->BSIM3cqbb = -(here->BSIM3cqgb + here->BSIM3cqdb
                              + here->BSIM3cqsb);

              gtau_drift = fabs(here->BSIM3tconst * qcheq) * ScalingFactor;
              T0 = pParam->BSIM3leffCV * pParam->BSIM3leffCV;
              gtau_diff = 16.0 * here->BSIM3u0temp * model->BSIM3vtm / T0
                        * ScalingFactor;
              here->BSIM3gtau =  gtau_drift + gtau_diff;
              if (here->BSIM3acnqsMod)
                  here->BSIM3taunet = ScalingFactor / here->BSIM3gtau;

          }

          if (model->BSIM3capMod == 0) /* code merge -JX */
          {
                  cgdo = pParam->BSIM3cgdo;
                  qgdo = pParam->BSIM3cgdo * vgd;
                  cgso = pParam->BSIM3cgso;
                  qgso = pParam->BSIM3cgso * vgs;
          }
          else if (model->BSIM3capMod == 1)
          {   if (vgd < 0.0)
              {   T1 = sqrt(1.0 - 4.0 * vgd / pParam->BSIM3ckappa);
                  cgdo = pParam->BSIM3cgdo + pParam->BSIM3weffCV
                       * pParam->BSIM3cgdl / T1;
                  qgdo = pParam->BSIM3cgdo * vgd - pParam->BSIM3weffCV * 0.5
                       * pParam->BSIM3cgdl * pParam->BSIM3ckappa * (T1 - 1.0);
              }
              else
              {   cgdo = pParam->BSIM3cgdo + pParam->BSIM3weffCV
                       * pParam->BSIM3cgdl;
                  qgdo = (pParam->BSIM3weffCV * pParam->BSIM3cgdl
                       + pParam->BSIM3cgdo) * vgd;
              }

              if (vgs < 0.0)
              {   T1 = sqrt(1.0 - 4.0 * vgs / pParam->BSIM3ckappa);
                  cgso = pParam->BSIM3cgso + pParam->BSIM3weffCV
                       * pParam->BSIM3cgsl / T1;
                  qgso = pParam->BSIM3cgso * vgs - pParam->BSIM3weffCV * 0.5
                       * pParam->BSIM3cgsl * pParam->BSIM3ckappa * (T1 - 1.0);
              }
              else
              {   cgso = pParam->BSIM3cgso + pParam->BSIM3weffCV
                       * pParam->BSIM3cgsl;
                  qgso = (pParam->BSIM3weffCV * pParam->BSIM3cgsl
                       + pParam->BSIM3cgso) * vgs;
              }
          }
          else
          {   T0 = vgd + DELTA_1;
              T1 = sqrt(T0 * T0 + 4.0 * DELTA_1);
              T2 = 0.5 * (T0 - T1);

              T3 = pParam->BSIM3weffCV * pParam->BSIM3cgdl;
              T4 = sqrt(1.0 - 4.0 * T2 / pParam->BSIM3ckappa);
              cgdo = pParam->BSIM3cgdo + T3 - T3 * (1.0 - 1.0 / T4)
                   * (0.5 - 0.5 * T0 / T1);
              qgdo = (pParam->BSIM3cgdo + T3) * vgd - T3 * (T2
                   + 0.5 * pParam->BSIM3ckappa * (T4 - 1.0));

              T0 = vgs + DELTA_1;
              T1 = sqrt(T0 * T0 + 4.0 * DELTA_1);
              T2 = 0.5 * (T0 - T1);
              T3 = pParam->BSIM3weffCV * pParam->BSIM3cgsl;
              T4 = sqrt(1.0 - 4.0 * T2 / pParam->BSIM3ckappa);
              cgso = pParam->BSIM3cgso + T3 - T3 * (1.0 - 1.0 / T4)
                   * (0.5 - 0.5 * T0 / T1);
              qgso = (pParam->BSIM3cgso + T3) * vgs - T3 * (T2
                   + 0.5 * pParam->BSIM3ckappa * (T4 - 1.0));
          }

          here->BSIM3cgdo = cgdo;
          here->BSIM3cgso = cgso;

          ag0 = ckt->CKTag[0];
          if (here->BSIM3mode > 0)
          {   if (here->BSIM3nqsMod == 0)
              {   gcggb = (here->BSIM3cggb + cgdo + cgso
                        + pParam->BSIM3cgbo ) * ag0;
                  gcgdb = (here->BSIM3cgdb - cgdo) * ag0;
                  gcgsb = (here->BSIM3cgsb - cgso) * ag0;

                  gcdgb = (here->BSIM3cdgb - cgdo) * ag0;
                  gcddb = (here->BSIM3cddb + here->BSIM3capbd + cgdo) * ag0;
                  gcdsb = here->BSIM3cdsb * ag0;

                  gcsgb = -(here->BSIM3cggb + here->BSIM3cbgb
                        + here->BSIM3cdgb + cgso) * ag0;
                  gcsdb = -(here->BSIM3cgdb + here->BSIM3cbdb
                        + here->BSIM3cddb) * ag0;
                  gcssb = (here->BSIM3capbs + cgso - (here->BSIM3cgsb
                        + here->BSIM3cbsb + here->BSIM3cdsb)) * ag0;

                  gcbgb = (here->BSIM3cbgb - pParam->BSIM3cgbo) * ag0;
                  gcbdb = (here->BSIM3cbdb - here->BSIM3capbd) * ag0;
                  gcbsb = (here->BSIM3cbsb - here->BSIM3capbs) * ag0;

                  qgd = qgdo;
                  qgs = qgso;
                  qgb = pParam->BSIM3cgbo * vgb;
                  qgate += qgd + qgs + qgb;
                  qbulk -= qgb;
                  qdrn -= qgd;
                  qsrc = -(qgate + qbulk + qdrn);

                  ggtg = ggtd = ggtb = ggts = 0.0;
                  sxpart = 0.6;
                  dxpart = 0.4;
                  ddxpart_dVd = ddxpart_dVg = ddxpart_dVb = ddxpart_dVs = 0.0;
                  dsxpart_dVd = dsxpart_dVg = dsxpart_dVb = dsxpart_dVs = 0.0;
              }
              else
              {   if (qcheq > 0.0)
                      T0 = here->BSIM3tconst * qdef * ScalingFactor;
                  else
                      T0 = -here->BSIM3tconst * qdef * ScalingFactor;
                  ggtg = here->BSIM3gtg = T0 * here->BSIM3cqgb;
                  ggtd = here->BSIM3gtd = T0 * here->BSIM3cqdb;
                  ggts = here->BSIM3gts = T0 * here->BSIM3cqsb;
                  ggtb = here->BSIM3gtb = T0 * here->BSIM3cqbb;
                  gqdef = ScalingFactor * ag0;

                  gcqgb = here->BSIM3cqgb * ag0;
                  gcqdb = here->BSIM3cqdb * ag0;
                  gcqsb = here->BSIM3cqsb * ag0;
                  gcqbb = here->BSIM3cqbb * ag0;

                  gcggb = (cgdo + cgso + pParam->BSIM3cgbo ) * ag0;
                  gcgdb = -cgdo * ag0;
                  gcgsb = -cgso * ag0;

                  gcdgb = -cgdo * ag0;
                  gcddb = (here->BSIM3capbd + cgdo) * ag0;
                  gcdsb = 0.0;

                  gcsgb = -cgso * ag0;
                  gcsdb = 0.0;
                  gcssb = (here->BSIM3capbs + cgso) * ag0;

                  gcbgb = -pParam->BSIM3cgbo * ag0;
                  gcbdb = -here->BSIM3capbd * ag0;
                  gcbsb = -here->BSIM3capbs * ag0;

                  CoxWL = model->BSIM3cox * pParam->BSIM3weffCV
                        * pParam->BSIM3leffCV;
                  if (fabs(qcheq) <= 1.0e-5 * CoxWL)
                  {   if (model->BSIM3xpart < 0.5)
                      {   dxpart = 0.4;
                      }
                      else if (model->BSIM3xpart > 0.5)
                      {   dxpart = 0.0;
                      }
                      else
                      {   dxpart = 0.5;
                      }
                      ddxpart_dVd = ddxpart_dVg = ddxpart_dVb
                                  = ddxpart_dVs = 0.0;
                  }
                  else
                  {   dxpart = qdrn / qcheq;
                      Cdd = here->BSIM3cddb;
                      Csd = -(here->BSIM3cgdb + here->BSIM3cddb
                          + here->BSIM3cbdb);
                      ddxpart_dVd = (Cdd - dxpart * (Cdd + Csd)) / qcheq;
                      Cdg = here->BSIM3cdgb;
                      Csg = -(here->BSIM3cggb + here->BSIM3cdgb
                          + here->BSIM3cbgb);
                      ddxpart_dVg = (Cdg - dxpart * (Cdg + Csg)) / qcheq;

                      Cds = here->BSIM3cdsb;
                      Css = -(here->BSIM3cgsb + here->BSIM3cdsb
                          + here->BSIM3cbsb);
                      ddxpart_dVs = (Cds - dxpart * (Cds + Css)) / qcheq;

                      ddxpart_dVb = -(ddxpart_dVd + ddxpart_dVg + ddxpart_dVs);
                  }
                  sxpart = 1.0 - dxpart;
                  dsxpart_dVd = -ddxpart_dVd;
                  dsxpart_dVg = -ddxpart_dVg;
                  dsxpart_dVs = -ddxpart_dVs;
                  dsxpart_dVb = -(dsxpart_dVd + dsxpart_dVg + dsxpart_dVs);

                  qgd = qgdo;
                  qgs = qgso;
                  qgb = pParam->BSIM3cgbo * vgb;
                  qgate = qgd + qgs + qgb;
                  qbulk = -qgb;
                  qdrn = -qgd;
                  qsrc = -(qgate + qbulk + qdrn);
              }
          }
          else
          {   if (here->BSIM3nqsMod == 0)
              {   gcggb = (here->BSIM3cggb + cgdo + cgso
                        + pParam->BSIM3cgbo ) * ag0;
                  gcgdb = (here->BSIM3cgsb - cgdo) * ag0;
                  gcgsb = (here->BSIM3cgdb - cgso) * ag0;

                  gcdgb = -(here->BSIM3cggb + here->BSIM3cbgb
                        + here->BSIM3cdgb + cgdo) * ag0;
                  gcddb = (here->BSIM3capbd + cgdo - (here->BSIM3cgsb
                        + here->BSIM3cbsb + here->BSIM3cdsb)) * ag0;
                  gcdsb = -(here->BSIM3cgdb + here->BSIM3cbdb
                        + here->BSIM3cddb) * ag0;

                  gcsgb = (here->BSIM3cdgb - cgso) * ag0;
                  gcsdb = here->BSIM3cdsb * ag0;
                  gcssb = (here->BSIM3cddb + here->BSIM3capbs + cgso) * ag0;

                  gcbgb = (here->BSIM3cbgb - pParam->BSIM3cgbo) * ag0;
                  gcbdb = (here->BSIM3cbsb - here->BSIM3capbd) * ag0;
                  gcbsb = (here->BSIM3cbdb - here->BSIM3capbs) * ag0;

                  qgd = qgdo;
                  qgs = qgso;
                  qgb = pParam->BSIM3cgbo * vgb;
                  qgate += qgd + qgs + qgb;
                  qbulk -= qgb;
                  qsrc = qdrn - qgs;
                  qdrn = -(qgate + qbulk + qsrc);

                  ggtg = ggtd = ggtb = ggts = 0.0;
                  sxpart = 0.4;
                  dxpart = 0.6;
                  ddxpart_dVd = ddxpart_dVg = ddxpart_dVb = ddxpart_dVs = 0.0;
                  dsxpart_dVd = dsxpart_dVg = dsxpart_dVb = dsxpart_dVs = 0.0;
              }
              else
              {   if (qcheq > 0.0)
                      T0 = here->BSIM3tconst * qdef * ScalingFactor;
                  else
                      T0 = -here->BSIM3tconst * qdef * ScalingFactor;
                  ggtg = here->BSIM3gtg = T0 * here->BSIM3cqgb;
                  ggts = here->BSIM3gtd = T0 * here->BSIM3cqdb;
                  ggtd = here->BSIM3gts = T0 * here->BSIM3cqsb;
                  ggtb = here->BSIM3gtb = T0 * here->BSIM3cqbb;
                  gqdef = ScalingFactor * ag0;

                  gcqgb = here->BSIM3cqgb * ag0;
                  gcqdb = here->BSIM3cqsb * ag0;
                  gcqsb = here->BSIM3cqdb * ag0;
                  gcqbb = here->BSIM3cqbb * ag0;

                  gcggb = (cgdo + cgso + pParam->BSIM3cgbo) * ag0;
                  gcgdb = -cgdo * ag0;
                  gcgsb = -cgso * ag0;

                  gcdgb = -cgdo * ag0;
                  gcddb = (here->BSIM3capbd + cgdo) * ag0;
                  gcdsb = 0.0;

                  gcsgb = -cgso * ag0;
                  gcsdb = 0.0;
                  gcssb = (here->BSIM3capbs + cgso) * ag0;

                  gcbgb = -pParam->BSIM3cgbo * ag0;
                  gcbdb = -here->BSIM3capbd * ag0;
                  gcbsb = -here->BSIM3capbs * ag0;

                  CoxWL = model->BSIM3cox * pParam->BSIM3weffCV
                        * pParam->BSIM3leffCV;
                  if (fabs(qcheq) <= 1.0e-5 * CoxWL)
                  {   if (model->BSIM3xpart < 0.5)
                      {   sxpart = 0.4;
                      }
                      else if (model->BSIM3xpart > 0.5)
                      {   sxpart = 0.0;
                      }
                      else
                      {   sxpart = 0.5;
                      }
                      dsxpart_dVd = dsxpart_dVg = dsxpart_dVb
                                  = dsxpart_dVs = 0.0;
                  }
                  else
                  {   sxpart = qdrn / qcheq;
                      Css = here->BSIM3cddb;
                      Cds = -(here->BSIM3cgdb + here->BSIM3cddb
                          + here->BSIM3cbdb);
                      dsxpart_dVs = (Css - sxpart * (Css + Cds)) / qcheq;
                      Csg = here->BSIM3cdgb;
                      Cdg = -(here->BSIM3cggb + here->BSIM3cdgb
                          + here->BSIM3cbgb);
                      dsxpart_dVg = (Csg - sxpart * (Csg + Cdg)) / qcheq;

                      Csd = here->BSIM3cdsb;
                      Cdd = -(here->BSIM3cgsb + here->BSIM3cdsb
                          + here->BSIM3cbsb);
                      dsxpart_dVd = (Csd - sxpart * (Csd + Cdd)) / qcheq;

                      dsxpart_dVb = -(dsxpart_dVd + dsxpart_dVg + dsxpart_dVs);
                  }
                  dxpart = 1.0 - sxpart;
                  ddxpart_dVd = -dsxpart_dVd;
                  ddxpart_dVg = -dsxpart_dVg;
                  ddxpart_dVs = -dsxpart_dVs;
                  ddxpart_dVb = -(ddxpart_dVd + ddxpart_dVg + ddxpart_dVs);

                  qgd = qgdo;
                  qgs = qgso;
                  qgb = pParam->BSIM3cgbo * vgb;
                  qgate = qgd + qgs + qgb;
                  qbulk = -qgb;
                  qsrc = -qgs;
                  qdrn = -(qgate + qbulk + qsrc);
              }
          }

          cqdef = cqcheq = 0.0;
          if (ByPass) goto line860;

          *(ckt->CKTstate0 + here->BSIM3qg) = qgate;
          *(ckt->CKTstate0 + here->BSIM3qd) = qdrn
                    - *(ckt->CKTstate0 + here->BSIM3qbd);
          *(ckt->CKTstate0 + here->BSIM3qb) = qbulk
                    + *(ckt->CKTstate0 + here->BSIM3qbd)
                    + *(ckt->CKTstate0 + here->BSIM3qbs);

          if (here->BSIM3nqsMod)
          {   *(ckt->CKTstate0 + here->BSIM3qcdump) = qdef * ScalingFactor;
              *(ckt->CKTstate0 + here->BSIM3qcheq) = qcheq;
          }

          /* store small signal parameters */
          if (ckt->CKTmode & MODEINITSMSIG)
          {   goto line1000;
          }
          if (!ChargeComputationNeeded)
              goto line850;

          if (ckt->CKTmode & MODEINITTRAN)
          {   *(ckt->CKTstate1 + here->BSIM3qb) =
                    *(ckt->CKTstate0 + here->BSIM3qb);
              *(ckt->CKTstate1 + here->BSIM3qg) =
                    *(ckt->CKTstate0 + here->BSIM3qg);
              *(ckt->CKTstate1 + here->BSIM3qd) =
                    *(ckt->CKTstate0 + here->BSIM3qd);
              if (here->BSIM3nqsMod)
              {   *(ckt->CKTstate1 + here->BSIM3qcheq) =
                    *(ckt->CKTstate0 + here->BSIM3qcheq);
                  *(ckt->CKTstate1 + here->BSIM3qcdump) =
                    *(ckt->CKTstate0 + here->BSIM3qcdump);
              }
          }

          error = NIintegrate(ckt, &geq, &ceq, 0.0, here->BSIM3qb);
          if (error)
              return(error);
          error = NIintegrate(ckt, &geq, &ceq, 0.0, here->BSIM3qg);
          if (error)
              return(error);
          error = NIintegrate(ckt, &geq, &ceq, 0.0, here->BSIM3qd);
          if (error)
              return(error);
          if (here->BSIM3nqsMod)
          {   error = NIintegrate(ckt, &geq, &ceq, 0.0, here->BSIM3qcdump);
              if (error)
                  return(error);
              error = NIintegrate(ckt, &geq, &ceq, 0.0, here->BSIM3qcheq);
              if (error)
                  return(error);
          }

          goto line860;

line850:
          /* initialize to zero charge conductance and current */
          ceqqg = ceqqb = ceqqd = 0.0;
          cqcheq = cqdef = 0.0;

          gcdgb = gcddb = gcdsb = 0.0;
          gcsgb = gcsdb = gcssb = 0.0;
          gcggb = gcgdb = gcgsb = 0.0;
          gcbgb = gcbdb = gcbsb = 0.0;

          gqdef = gcqgb = gcqdb = gcqsb = gcqbb = 0.0;
          ggtg = ggtd = ggtb = ggts = 0.0;
          sxpart = (1.0 - (dxpart = (here->BSIM3mode > 0) ? 0.4 : 0.6));
          ddxpart_dVd = ddxpart_dVg = ddxpart_dVb = ddxpart_dVs = 0.0;
          dsxpart_dVd = dsxpart_dVg = dsxpart_dVb = dsxpart_dVs = 0.0;

          if (here->BSIM3nqsMod)
              here->BSIM3gtau = 16.0 * here->BSIM3u0temp * model->BSIM3vtm
                              / pParam->BSIM3leffCV / pParam->BSIM3leffCV
                              * ScalingFactor;
          else
              here->BSIM3gtau = 0.0;

          goto line900;

line860:
          /* evaluate equivalent charge current */

          cqgate = *(ckt->CKTstate0 + here->BSIM3cqg);
          cqbulk = *(ckt->CKTstate0 + here->BSIM3cqb);
          cqdrn = *(ckt->CKTstate0 + here->BSIM3cqd);

          ceqqg = cqgate - gcggb * vgb + gcgdb * vbd + gcgsb * vbs;
          ceqqb = cqbulk - gcbgb * vgb + gcbdb * vbd + gcbsb * vbs;
          ceqqd = cqdrn - gcdgb * vgb + gcddb * vbd + gcdsb * vbs;

          if (here->BSIM3nqsMod)
          {   T0 = ggtg * vgb - ggtd * vbd - ggts * vbs;
              ceqqg += T0;
              T1 = qdef * here->BSIM3gtau;
              ceqqd -= dxpart * T0 + T1 * (ddxpart_dVg * vgb - ddxpart_dVd
                    * vbd - ddxpart_dVs * vbs);
              cqdef = *(ckt->CKTstate0 + here->BSIM3cqcdump) - gqdef * qdef;
              cqcheq = *(ckt->CKTstate0 + here->BSIM3cqcheq)
                     - (gcqgb * vgb - gcqdb * vbd  - gcqsb * vbs) + T0;
          }

          if (ckt->CKTmode & MODEINITTRAN)
          {   *(ckt->CKTstate1 + here->BSIM3cqb) =
                    *(ckt->CKTstate0 + here->BSIM3cqb);
              *(ckt->CKTstate1 + here->BSIM3cqg) =
                    *(ckt->CKTstate0 + here->BSIM3cqg);
              *(ckt->CKTstate1 + here->BSIM3cqd) =
                    *(ckt->CKTstate0 + here->BSIM3cqd);

              if (here->BSIM3nqsMod)
              {   *(ckt->CKTstate1 + here->BSIM3cqcheq) =
                        *(ckt->CKTstate0 + here->BSIM3cqcheq);
                  *(ckt->CKTstate1 + here->BSIM3cqcdump) =
                        *(ckt->CKTstate0 + here->BSIM3cqcdump);
              }
          }

          /*
           *  load current vector
           */
line900:

          if (here->BSIM3mode >= 0)
          {   Gm = here->BSIM3gm;
              Gmbs = here->BSIM3gmbs;
              FwdSum = Gm + Gmbs;
              RevSum = 0.0;
              cdreq = model->BSIM3type * (cdrain - here->BSIM3gds * vds
                    - Gm * vgs - Gmbs * vbs);

              ceqbd = -model->BSIM3type * (here->BSIM3csub
                    - here->BSIM3gbds * vds - here->BSIM3gbgs * vgs
                    - here->BSIM3gbbs * vbs);
              ceqbs = 0.0;

              gbbdp = -here->BSIM3gbds;
              gbbsp = (here->BSIM3gbds + here->BSIM3gbgs + here->BSIM3gbbs);

              gbdpg = here->BSIM3gbgs;
              gbdpdp = here->BSIM3gbds;
              gbdpb = here->BSIM3gbbs;
              gbdpsp = -(gbdpg + gbdpdp + gbdpb);

              gbspg = 0.0;
              gbspdp = 0.0;
              gbspb = 0.0;
              gbspsp = 0.0;
          }
          else
          {   Gm = -here->BSIM3gm;
              Gmbs = -here->BSIM3gmbs;
              FwdSum = 0.0;
              RevSum = -(Gm + Gmbs);
              cdreq = -model->BSIM3type * (cdrain + here->BSIM3gds * vds
                    + Gm * vgd + Gmbs * vbd);

              ceqbs = -model->BSIM3type * (here->BSIM3csub
                    + here->BSIM3gbds * vds - here->BSIM3gbgs * vgd
                    - here->BSIM3gbbs * vbd);
              ceqbd = 0.0;

              gbbsp = -here->BSIM3gbds;
              gbbdp = (here->BSIM3gbds + here->BSIM3gbgs + here->BSIM3gbbs);

              gbdpg = 0.0;
              gbdpsp = 0.0;
              gbdpb = 0.0;
              gbdpdp = 0.0;

              gbspg = here->BSIM3gbgs;
              gbspsp = here->BSIM3gbds;
              gbspb = here->BSIM3gbbs;
              gbspdp = -(gbspg + gbspsp + gbspb);
          }

           if (model->BSIM3type > 0)
           {   ceqbs += (here->BSIM3cbs - here->BSIM3gbs * vbs);
               ceqbd += (here->BSIM3cbd - here->BSIM3gbd * vbd);
               /*
               ceqqg = ceqqg;
               ceqqb = ceqqb;
               ceqqd = ceqqd;
               cqdef = cqdef;
               cqcheq = cqcheq;
               */
           }
           else
           {   ceqbs -= (here->BSIM3cbs - here->BSIM3gbs * vbs);
               ceqbd -= (here->BSIM3cbd - here->BSIM3gbd * vbd);
               ceqqg = -ceqqg;
               ceqqb = -ceqqb;
               ceqqd = -ceqqd;
               cqdef = -cqdef;
               cqcheq = -cqcheq;
           }

           m = here->BSIM3m;
#ifdef USE_OMP
           here->BSIM3rhsG = m * ceqqg;
           here->BSIM3rhsB = m * (ceqbs + ceqbd + ceqqb);
           here->BSIM3rhsD = m * (ceqbd - cdreq - ceqqd);
           here->BSIM3rhsS = m * (cdreq + ceqbs + ceqqg
                                                    + ceqqb + ceqqd);
           if (here->BSIM3nqsMod)
           here->BSIM3rhsQ = m * (cqcheq - cqdef);
#else
           (*(ckt->CKTrhs + here->BSIM3gNode) -= m * ceqqg);
           (*(ckt->CKTrhs + here->BSIM3bNode) -= m * (ceqbs + ceqbd + ceqqb));
           (*(ckt->CKTrhs + here->BSIM3dNodePrime) += m * (ceqbd - cdreq - ceqqd));
           (*(ckt->CKTrhs + here->BSIM3sNodePrime) += m * (cdreq + ceqbs + ceqqg
                                                    + ceqqb + ceqqd));
           if (here->BSIM3nqsMod)
           *(ckt->CKTrhs + here->BSIM3qNode) += m * (cqcheq - cqdef);
#endif
           /*
            *  load y matrix
            */

           T1 = qdef * here->BSIM3gtau;
#ifdef USE_OMP
           here->BSIM3DdPt = m * here->BSIM3drainConductance;
           here->BSIM3GgPt = m * (gcggb - ggtg);
           here->BSIM3SsPt = m * here->BSIM3sourceConductance;
           here->BSIM3BbPt = m * (here->BSIM3gbd + here->BSIM3gbs
                                - gcbgb - gcbdb - gcbsb - here->BSIM3gbbs);
           here->BSIM3DPdpPt = m * (here->BSIM3drainConductance
                                  + here->BSIM3gds + here->BSIM3gbd
                                  + RevSum + gcddb + dxpart * ggtd
                                  + T1 * ddxpart_dVd + gbdpdp);
           here->BSIM3SPspPt = m * (here->BSIM3sourceConductance
                                  + here->BSIM3gds + here->BSIM3gbs
                                  + FwdSum + gcssb + sxpart * ggts
                                  + T1 * dsxpart_dVs + gbspsp);
           here->BSIM3DdpPt = m * here->BSIM3drainConductance;
           here->BSIM3GbPt = m * (gcggb + gcgdb + gcgsb + ggtb);
           here->BSIM3GdpPt = m * (gcgdb - ggtd);
           here->BSIM3GspPt = m * (gcgsb - ggts);
           here->BSIM3SspPt = m * here->BSIM3sourceConductance;
           here->BSIM3BgPt = m * (gcbgb - here->BSIM3gbgs);
           here->BSIM3BdpPt = m * (gcbdb - here->BSIM3gbd + gbbdp);
           here->BSIM3BspPt = m * (gcbsb - here->BSIM3gbs + gbbsp);
           here->BSIM3DPdPt = m * here->BSIM3drainConductance;
           here->BSIM3DPgPt = m * (Gm + gcdgb + dxpart * ggtg
                                 + T1 * ddxpart_dVg + gbdpg);
           here->BSIM3DPbPt = m * (here->BSIM3gbd - Gmbs + gcdgb + gcddb
                                 + gcdsb - dxpart * ggtb
                                 - T1 * ddxpart_dVb - gbdpb);
           here->BSIM3DPspPt = m * (here->BSIM3gds + FwdSum - gcdsb
                                  - dxpart * ggts - T1 * ddxpart_dVs - gbdpsp);
           here->BSIM3SPgPt = m * (gcsgb - Gm + sxpart * ggtg
                                 + T1 * dsxpart_dVg + gbspg);
           here->BSIM3SPsPt = m * here->BSIM3sourceConductance;
           here->BSIM3SPbPt = m * (here->BSIM3gbs + Gmbs + gcsgb + gcsdb
                                 + gcssb - sxpart * ggtb
                                 - T1 * dsxpart_dVb - gbspb);
           here->BSIM3SPdpPt = m * (here->BSIM3gds + RevSum - gcsdb
                                  - sxpart * ggtd - T1 * dsxpart_dVd - gbspdp);

           if (here->BSIM3nqsMod)
           {   here->BSIM3QqPt = m * (gqdef + here->BSIM3gtau);

               here->BSIM3DPqPt = m * (dxpart * here->BSIM3gtau);
               here->BSIM3SPqPt = m * (sxpart * here->BSIM3gtau);
               here->BSIM3GqPt = m * here->BSIM3gtau;

               here->BSIM3QgPt = m * (ggtg - gcqgb);
               here->BSIM3QdpPt = m * (ggtd - gcqdb);
               here->BSIM3QspPt = m * (ggts - gcqsb);
               here->BSIM3QbPt = m * (ggtb - gcqbb);
           }
#else
           (*(here->BSIM3DdPtr) += m * here->BSIM3drainConductance);
           (*(here->BSIM3GgPtr) += m * (gcggb - ggtg));
           (*(here->BSIM3SsPtr) += m * here->BSIM3sourceConductance);
           (*(here->BSIM3BbPtr) += m * (here->BSIM3gbd + here->BSIM3gbs
                                - gcbgb - gcbdb - gcbsb - here->BSIM3gbbs));
           (*(here->BSIM3DPdpPtr) += m * (here->BSIM3drainConductance
                                  + here->BSIM3gds + here->BSIM3gbd
                                  + RevSum + gcddb + dxpart * ggtd
                                  + T1 * ddxpart_dVd + gbdpdp));
           (*(here->BSIM3SPspPtr) += m * (here->BSIM3sourceConductance
                                  + here->BSIM3gds + here->BSIM3gbs
                                  + FwdSum + gcssb + sxpart * ggts
                                  + T1 * dsxpart_dVs + gbspsp));
           (*(here->BSIM3DdpPtr) -= m * here->BSIM3drainConductance);
           (*(here->BSIM3GbPtr) -= m * (gcggb + gcgdb + gcgsb + ggtb));
           (*(here->BSIM3GdpPtr) += m * (gcgdb - ggtd));
           (*(here->BSIM3GspPtr) += m * (gcgsb - ggts));
           (*(here->BSIM3SspPtr) -= m * here->BSIM3sourceConductance);
           (*(here->BSIM3BgPtr) += m * (gcbgb - here->BSIM3gbgs));
           (*(here->BSIM3BdpPtr) += m * (gcbdb - here->BSIM3gbd + gbbdp));
           (*(here->BSIM3BspPtr) += m * (gcbsb - here->BSIM3gbs + gbbsp));
           (*(here->BSIM3DPdPtr) -= m * here->BSIM3drainConductance);
           (*(here->BSIM3DPgPtr) += m * (Gm + gcdgb + dxpart * ggtg
                                 + T1 * ddxpart_dVg + gbdpg));
           (*(here->BSIM3DPbPtr) -= m * (here->BSIM3gbd - Gmbs + gcdgb + gcddb
                                 + gcdsb - dxpart * ggtb
                                 - T1 * ddxpart_dVb - gbdpb));
           (*(here->BSIM3DPspPtr) -= m * (here->BSIM3gds + FwdSum - gcdsb
                                  - dxpart * ggts - T1 * ddxpart_dVs - gbdpsp));
           (*(here->BSIM3SPgPtr) += m * (gcsgb - Gm + sxpart * ggtg
                                 + T1 * dsxpart_dVg + gbspg));
           (*(here->BSIM3SPsPtr) -= m * here->BSIM3sourceConductance);
           (*(here->BSIM3SPbPtr) -= m * (here->BSIM3gbs + Gmbs + gcsgb + gcsdb
                                 + gcssb - sxpart * ggtb
                                 - T1 * dsxpart_dVb - gbspb));
           (*(here->BSIM3SPdpPtr) -= m * (here->BSIM3gds + RevSum - gcsdb
                                  - sxpart * ggtd - T1 * dsxpart_dVd - gbspdp));

           if (here->BSIM3nqsMod)
           {   *(here->BSIM3QqPtr) += m * (gqdef + here->BSIM3gtau);

               *(here->BSIM3DPqPtr) += m * (dxpart * here->BSIM3gtau);
               *(here->BSIM3SPqPtr) += m * (sxpart * here->BSIM3gtau);
               *(here->BSIM3GqPtr) -= m * here->BSIM3gtau;

               *(here->BSIM3QgPtr) += m * (ggtg - gcqgb);
               *(here->BSIM3QdpPtr) += m * (ggtd - gcqdb);
               *(here->BSIM3QspPtr) += m * (ggts - gcqsb);
               *(here->BSIM3QbPtr) += m * (ggtb - gcqbb);
           }
#endif
line1000:  ;
#ifndef USE_OMP
     }  /* End of Mosfet Instance */
}   /* End of Model Instance */
#endif
return(OK);
}

#ifdef USE_OMP
void BSIM3LoadRhsMat(GENmodel *inModel, CKTcircuit *ckt)
{
    int InstCount, idx;
    BSIM3instance **InstArray;
    BSIM3instance *here;
    BSIM3model *model = (BSIM3model*)inModel;

    InstArray = model->BSIM3InstanceArray;
    InstCount = model->BSIM3InstCount;

    for(idx = 0; idx < InstCount; idx++) {
       here = InstArray[idx];
       model = BSIM3modPtr(here);
        /* Update b for Ax = b */
       (*(ckt->CKTrhs + here->BSIM3gNode) -= here->BSIM3rhsG);
       (*(ckt->CKTrhs + here->BSIM3bNode) -= here->BSIM3rhsB);
       (*(ckt->CKTrhs + here->BSIM3dNodePrime) += here->BSIM3rhsD);
       (*(ckt->CKTrhs + here->BSIM3sNodePrime) += here->BSIM3rhsS);
       if (here->BSIM3nqsMod)
           (*(ckt->CKTrhs + here->BSIM3qNode) += here->BSIM3rhsQ);

        /* Update A for Ax = b */
           (*(here->BSIM3DdPtr) += here->BSIM3DdPt);
           (*(here->BSIM3GgPtr) += here->BSIM3GgPt);
           (*(here->BSIM3SsPtr) += here->BSIM3SsPt);
           (*(here->BSIM3BbPtr) += here->BSIM3BbPt);
           (*(here->BSIM3DPdpPtr) += here->BSIM3DPdpPt);
           (*(here->BSIM3SPspPtr) += here->BSIM3SPspPt);
           (*(here->BSIM3DdpPtr) -= here->BSIM3DdpPt);
           (*(here->BSIM3GbPtr) -= here->BSIM3GbPt);
           (*(here->BSIM3GdpPtr) += here->BSIM3GdpPt);
           (*(here->BSIM3GspPtr) += here->BSIM3GspPt);
           (*(here->BSIM3SspPtr) -= here->BSIM3SspPt);
           (*(here->BSIM3BgPtr) += here->BSIM3BgPt);
           (*(here->BSIM3BdpPtr) += here->BSIM3BdpPt);
           (*(here->BSIM3BspPtr) += here->BSIM3BspPt);
           (*(here->BSIM3DPdPtr) -= here->BSIM3DPdPt);
           (*(here->BSIM3DPgPtr) += here->BSIM3DPgPt);
           (*(here->BSIM3DPbPtr) -= here->BSIM3DPbPt);
           (*(here->BSIM3DPspPtr) -= here->BSIM3DPspPt);
           (*(here->BSIM3SPgPtr) += here->BSIM3SPgPt);
           (*(here->BSIM3SPsPtr) -= here->BSIM3SPsPt);
           (*(here->BSIM3SPbPtr) -= here->BSIM3SPbPt);
           (*(here->BSIM3SPdpPtr) -= here->BSIM3SPdpPt);

           if (here->BSIM3nqsMod)
           {   *(here->BSIM3QqPtr) += here->BSIM3QqPt;

               *(here->BSIM3DPqPtr) += here->BSIM3DPqPt;
               *(here->BSIM3SPqPtr) += here->BSIM3SPqPt;
               *(here->BSIM3GqPtr) -= here->BSIM3GqPt;

               *(here->BSIM3QgPtr) += here->BSIM3QgPt;
               *(here->BSIM3QdpPtr) += here->BSIM3QdpPt;
               *(here->BSIM3QspPtr) += here->BSIM3QspPt;
               *(here->BSIM3QbPtr) += here->BSIM3QbPt;
           }

    }
}
#endif
