devices/res, introduce RESupdate_conduct()

which will be usefull later

src/spicelib/analysis/dctrcurv.c

@@ -281,9 +281,7 @@ DCtrCurv(CKTcircuit *ckt, int restart)
             } else if (job->TRCVvType[i] == rcode) {
                 ((RESinstance *)(job->TRCVvElt[i]))->RESresist =
                     job->TRCVvStart[i];
-                /* RESload() needs conductance as well */
-                ((RESinstance *)(job->TRCVvElt[i]))->RESconduct =
-                    1 / (((RESinstance *)(job->TRCVvElt[i]))->RESresist);
+                RESupdate_conduct((RESinstance *)(job->TRCVvElt[i]));
                 DEVices[rcode]->DEVload(job->TRCVvElt[i]->GENmodPtr, ckt);
             }
 
@@ -463,9 +461,7 @@ DCtrCurv(CKTcircuit *ckt, int restart)
         } else if (job->TRCVvType[i] == rcode) { /* resistance */
             ((RESinstance*)(job->TRCVvElt[i]))->RESresist +=
                 job->TRCVvStep[i];
-            /* RESload() needs conductance as well */
-            ((RESinstance*)(job->TRCVvElt[i]))->RESconduct =
-                1 / (((RESinstance*)(job->TRCVvElt[i]))->RESresist);
+            RESupdate_conduct((RESinstance *)(job->TRCVvElt[i]));
             DEVices[rcode]->DEVload(job->TRCVvElt[i]->GENmodPtr, ckt);
         } else if (job->TRCVvType[i] == TEMP_CODE) { /* temperature */
             ckt->CKTtemp += job->TRCVvStep[i];
@@ -499,10 +495,8 @@ DCtrCurv(CKTcircuit *ckt, int restart)
             ((ISRCinstance*)(job->TRCVvElt[i]))->ISRCdcGiven = (job->TRCVgSave[i] != 0);
         } else  if (job->TRCVvType[i] == rcode) { /* Resistance */
             ((RESinstance*)(job->TRCVvElt[i]))->RESresist = job->TRCVvSave[i];
-            /* RESload() needs conductance as well */
-            ((RESinstance*)(job->TRCVvElt[i]))->RESconduct =
-                1 / (((RESinstance*)(job->TRCVvElt[i]))->RESresist);
             ((RESinstance*)(job->TRCVvElt[i]))->RESresGiven = (job->TRCVgSave[i] != 0);
+            RESupdate_conduct((RESinstance *)(job->TRCVvElt[i]));
             DEVices[rcode]->DEVload(job->TRCVvElt[i]->GENmodPtr, ckt);
         } else if (job->TRCVvType[i] == TEMP_CODE) {
             ckt->CKTtemp = job->TRCVvSave[i];

src/spicelib/devices/res/resdefs.h

@@ -187,4 +187,6 @@ typedef struct sRESmodel {       /* model structure for a resistor */
 
 #include "resext.h"
 
+extern void RESupdate_conduct(RESinstance *);
+
 #endif /*RES*/

src/spicelib/devices/res/restemp.c

@@ -21,9 +21,6 @@ REStemp(GENmodel *inModel, CKTcircuit *ckt)
 {
     RESmodel *model =  (RESmodel *)inModel;
     RESinstance *here;
-    double factor;
-    double difference;
-    double tc1, tc2, tce;
 
 
     /*  loop through all the resistor models */
@@ -33,6 +30,34 @@ REStemp(GENmodel *inModel, CKTcircuit *ckt)
         for (here = model->RESinstances; here != NULL ;
                 here=here->RESnextInstance) {
 
+            /* Default Value Processing for Resistor Instance */
+
+            if (!here->REStempGiven) {
+                here->REStemp = ckt->CKTtemp;
+                if (!here->RESdtempGiven)
+                    here->RESdtemp = 0.0;
+            } else {
+                here->RESdtemp = 0.0;
+                if (here->RESdtempGiven)
+                    printf("%s: Instance temperature specified, dtemp ignored\n", here->RESname);
+            }
+
+            RESupdate_conduct(here);
+        }
+    }
+
+    return OK;
+}
+
+
+void
+RESupdate_conduct(RESinstance *here)
+{
+    RESmodel *model = here->RESmodPtr;
+    double factor;
+    double difference;
+    double tc1, tc2, tce;
+
             if (!here->RESresGiven) {
                 if (here->RESlength * here->RESwidth * model->RESsheetRes > 0.0) {
                     here->RESresist =
@@ -48,17 +73,6 @@ REStemp(GENmodel *inModel, CKTcircuit *ckt)
                 }
             }
 
-            /* Default Value Processing for Resistor Instance */
-
-            if(!here->REStempGiven) {
-                here->REStemp   = ckt->CKTtemp;
-                if(!here->RESdtempGiven)   here->RESdtemp  = 0.0;
-            } else { /* REStempGiven */
-                here->RESdtemp = 0.0;
-                if (here->RESdtempGiven)
-                    printf("%s: Instance temperature specified, dtemp ignored\n", here->RESname);
-            }
-
             difference = (here->REStemp + here->RESdtemp) - model->REStnom;
 
             /* instance parameters tc1,tc2 and tce will override
@@ -92,7 +106,4 @@ REStemp(GENmodel *inModel, CKTcircuit *ckt)
                 here -> RESacConduct = here -> RESconduct;
                 here -> RESacResist = here -> RESresist;
             }
-        }
-    }
-    return(OK);
 }