From f2139c0a78297a559b83c528c2c624bb3cbdf10f Mon Sep 17 00:00:00 2001
From: dwarning <dwarning>
Date: Wed, 21 Oct 2020 19:20:44 +0200
Subject: [PATCH] rm unused variables and assignments

---
 src/spicelib/devices/bjt/bjtload.c     | 2 --
 src/spicelib/devices/vbic/vbicload.c   | 5 -----
 src/spicelib/devices/vdmos/vdmosdset.c | 3 ---
 src/spicelib/devices/vdmos/vdmosload.c | 3 +--
 src/spicelib/devices/vdmos/vdmostemp.c | 3 +--
 5 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/src/spicelib/devices/bjt/bjtload.c b/src/spicelib/devices/bjt/bjtload.c
index 1322328cb..31a55a9aa 100644
--- a/src/spicelib/devices/bjt/bjtload.c
+++ b/src/spicelib/devices/bjt/bjtload.c
@@ -165,9 +165,7 @@ BJTload(GENmodel *inModel, CKTcircuit *ckt)
             }
 
             gcsub=0;
-            ceqsub=0;
             geqbx=0;
-            ceqbx=0;
             geqcb=0;
             gbcx=0;
             cbcx=0;
diff --git a/src/spicelib/devices/vbic/vbicload.c b/src/spicelib/devices/vbic/vbicload.c
index c59193d47..5ebf217e6 100644
--- a/src/spicelib/devices/vbic/vbicload.c
+++ b/src/spicelib/devices/vbic/vbicload.c
@@ -2841,13 +2841,11 @@ double Ith_Iccp,Ith_Ircx,Ith_Irci,Ith_Irbx,Ith_Irbi,Ith_Ire,Ith_Irbp;
                 pwq=pow(xvar1,xvar2);
                 qlo=PSatT*(1.0-pwq*(1.0-p[14])*(1.0-p[14]))/(1.0-p[29]);
                 qlo_PSatT=(1.0-((1.0-p[14])*(1.0-p[14]))*pwq)/(1.0-p[29]);
-                qlo_Vbep=0.0;
                 qlo_Vbcp=0.0;
                 qlo_Vrth=qlo_PSatT*PSatT_Vrth;
                 qhi=dvh*(1.0-p[14]+0.5*p[29]*dvh/PSatT)*pwq;
                 qhi_dvh=(0.5*dvh*p[29]/PSatT-p[14]+1.0)*pwq+0.5*dvh*p[29]*pwq/PSatT;
                 qhi_PSatT=-0.5*(dvh*dvh)*p[29]*pwq/(PSatT*PSatT);
-                qhi_Vbep=0.0;
                 qhi_Vbcp=qhi_dvh*dvh_Vbcp;
                 qhi_Vrth=qhi_dvh*dvh_Vrth;
                 qhi_Vrth=qhi_Vrth+qhi_PSatT*PSatT_Vrth;
@@ -2864,12 +2862,10 @@ double Ith_Iccp,Ith_Ircx,Ith_Irci,Ith_Irbx,Ith_Irbi,Ith_Ire,Ith_Irbp;
                 qlo=PSatT*(1.0-xvar3)/(1.0-p[29]);
                 qlo_PSatT=(1.0-xvar3)/(1.0-p[29]);
                 qlo_xvar3=-PSatT/(1.0-p[29]);
-                qlo_Vbep=0.0;
                 qlo_Vrth=qlo_PSatT*PSatT_Vrth;
                 qlo_Vbcp=qlo_xvar3*xvar3_Vbcp;
                 qlo_Vrth=qlo_Vrth+qlo_xvar3*xvar3_Vrth;
                 qhi=0.0;
-                qhi_Vbep=0.0;
                 qhi_Vrth=0.0;
                 qhi_Vbcp=0.0;
             }
@@ -2934,7 +2930,6 @@ double Ith_Iccp,Ith_Ircx,Ith_Irci,Ith_Irbx,Ith_Irbi,Ith_Ire,Ith_Irbp;
             qlo=-PSatT*xvar3/(1.0-p[29]);
             qlo_PSatT=-xvar3/(1.0-p[29]);
             qlo_xvar3=-PSatT/(1.0-p[29]);
-            qlo_Vbep=0.0;
             qlo_Vrth=qlo_PSatT*PSatT_Vrth;
             qlo_Vbcp=qlo_xvar3*xvar3_Vbcp;
             qlo_Vrth=qlo_Vrth+qlo_xvar3*xvar3_Vrth;
diff --git a/src/spicelib/devices/vdmos/vdmosdset.c b/src/spicelib/devices/vdmos/vdmosdset.c
index 2c1a7506e..af2378ed5 100644
--- a/src/spicelib/devices/vdmos/vdmosdset.c
+++ b/src/spicelib/devices/vdmos/vdmosdset.c
@@ -29,7 +29,6 @@ VDMOSdSetup(GENmodel *inModel, CKTcircuit *ckt)
     double vdsat;
     double vgd;
     double vgs;
-    double vt;
     double gm2;
     double gds2;
     double gmds;
@@ -49,8 +48,6 @@ VDMOSdSetup(GENmodel *inModel, CKTcircuit *ckt)
         for (here = VDMOSinstances(model); here != NULL ;
                 here=VDMOSnextInstance(here)) {
 
-            vt = CONSTKoverQ * here->VDMOStemp;
-
             Beta = here->VDMOStTransconductance;
 
             OxideCap = model->VDMOSoxideCapFactor * here->VDMOSm;
diff --git a/src/spicelib/devices/vdmos/vdmosload.c b/src/spicelib/devices/vdmos/vdmosload.c
index 1d8da7748..6f59bd391 100644
--- a/src/spicelib/devices/vdmos/vdmosload.c
+++ b/src/spicelib/devices/vdmos/vdmosload.c
@@ -60,7 +60,7 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
     double rd0T, rd1T, dBeta_dT, dIds_dT;
     double Vrd=0.0, dIth_dVrd=0.0, dIrd_dT=0.0;
     double drd0T_dT, drd1T_dT, drd_dT, dgdrain_dT=0.0;
-    double dIrd_dVrd, dIrd_dgdrain;
+    double dIrd_dgdrain;
     double deldelTemp=0.0, delTemp, delTemp1, Temp, Vds, Vgs;
     double ceqqth=0.0;
     double GmT, gTtg, gTtdp, gTtt, gTtsp, gcTt=0.0;
@@ -445,7 +445,6 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
 
                 Vrd = *(ckt->CKTrhsOld + here->VDMOSdNode) - *(ckt->CKTrhsOld + here->VDMOSdNodePrime);
                 dIth_dVrd = here->VDMOSdrainConductance * Vrd;
-                dIrd_dVrd = here->VDMOSdrainConductance;
                 dIrd_dgdrain = Vrd;
                 dIrd_dT = dIrd_dgdrain * dgdrain_dT;
                 here->VDMOScth += here->VDMOSdrainConductance * Vrd*Vrd - dIth_dVrd*Vrd - dIrd_dT*Vrd*delTemp;
diff --git a/src/spicelib/devices/vdmos/vdmostemp.c b/src/spicelib/devices/vdmos/vdmostemp.c
index db1c66e9c..53d92a548 100644
--- a/src/spicelib/devices/vdmos/vdmostemp.c
+++ b/src/spicelib/devices/vdmos/vdmostemp.c
@@ -136,8 +136,8 @@ void VDMOStempUpdate(VDMOSmodel *inModel, VDMOSinstance *here, double Temp, CKTc
         cbv = model->VDIOibv;
 
         if (cbv < here->VDIOtSatCur * tBreakdownVoltage / vt) {
-            cbv = here->VDIOtSatCur * tBreakdownVoltage / vt;
 #ifdef TRACE
+            cbv = here->VDIOtSatCur * tBreakdownVoltage / vt;
             SPfrontEnd->IFerrorf(ERR_WARNING, "%s: breakdown current increased to %g to resolve", here->VDMOSname, cbv);
             SPfrontEnd->IFerrorf(ERR_WARNING,
                 "incompatibility with specified saturation current");
@@ -148,7 +148,6 @@ void VDMOStempUpdate(VDMOSmodel *inModel, VDMOSinstance *here, double Temp, CKTc
             tol = ckt->CKTreltol*cbv;
             xbv = tBreakdownVoltage - model->VDIObrkdEmissionCoeff*vt*log(1 + cbv /
                 (here->VDIOtSatCur));
-            iter = 0;
             for (iter = 0; iter < 25; iter++) {
                 xbv = tBreakdownVoltage - model->VDIObrkdEmissionCoeff*vt*log(cbv /
                     (here->VDIOtSatCur) + 1 - xbv / vt);