Note: ix: dc value used for op instead of transient time=0 value

Former warning message or note only issued when dc value and
value at transient time=0 differ.

src/spicelib/devices/isrc/isrctemp.c

@@ -41,10 +41,21 @@ ISRCtemp(GENmodel *inModel, CKTcircuit *ckt)
                     "%s: has no value, DC 0 assumed",
                     here->ISRCname);
             }
-            else if (here->ISRCdcGiven && here->ISRCfuncTGiven) {
-                SPfrontEnd->IFerrorf(ERR_INFO,
-                    "%s: dc value used for op instead of transient time 0 value.",
-                    here->ISRCname);
+            else if (here->ISRCdcGiven && here->ISRCfuncTGiven
+                && here->ISRCfunctionType != TRNOISE && here->ISRCfunctionType != TRRANDOM) {
+                /* DC value and transient time 0 values given */
+                double time0value;
+                /* determine transient time 0 value */
+                if (here->ISRCfunctionType == AM || here->ISRCfunctionType == PWL)
+                    time0value = here->ISRCcoeffs[1];
+                else
+                    time0value = here->ISRCcoeffs[0];
+                /* No warning issued if DC value and transient time 0 value are the same */
+                if (!AlmostEqualUlps(time0value, here->ISRCdcValue, 3)) {
+                    SPfrontEnd->IFerrorf(ERR_INFO,
+                        "%s: dc value used for op instead of transient time=0 value.",
+                        here->ISRCname);
+                }
             }
             if(!here->ISRCmGiven)
                 here->ISRCmValue = 1;