Note: vs: 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/vsrc/vsrctemp.c

@@ -47,11 +47,21 @@ VSRCtemp(GENmodel *inModel, CKTcircuit *ckt)
                     "%s: has no value, DC 0 assumed",
                     here->VSRCname);
             }
-            else if (here->VSRCdcGiven && here->VSRCfuncTGiven) {
-                /* no DC value, no transient value */
-                SPfrontEnd->IFerrorf(ERR_INFO,
-                    "%s: dc value used for op instead of transient time 0 value.",
-                    here->VSRCname);
+            else if (here->VSRCdcGiven && here->VSRCfuncTGiven
+                     && here->VSRCfunctionType != TRNOISE && here->VSRCfunctionType != TRRANDOM) {
+                /* DC value and transient time 0 values given */
+                double time0value;
+                /* determine transient time 0 value */
+                if (here->VSRCfunctionType == AM || here->VSRCfunctionType == PWL)
+                    time0value = here->VSRCcoeffs[1];
+                else
+                    time0value = here->VSRCcoeffs[0];
+                /* No warning issued if DC value and transient time 0 value are the same */
+                if (!AlmostEqualUlps(time0value, here->VSRCdcValue, 3)) {
+                    SPfrontEnd->IFerrorf(ERR_INFO,
+                        "%s: dc value used for op instead of transient time=0 value.",
+                        here->VSRCname);
+                }
             }
             radians = here->VSRCacPhase * M_PI / 180.0;
             here->VSRCacReal = here->VSRCacMag * cos(radians);