Changeset 31537

Timestamp:

May 12, 2011, 10:28:56 AM (15 years ago)

Author:

bills

Message:

Remove assertion failure that can occur with bad input image quality.

File:

• trunk/psModules/src/imcombine/pmSubtractionStamps.c (modified) (1 diff)

trunk/psModules/src/imcombine/pmSubtractionStamps.c

@@ -834 +834 @@
             }
 
-            psStatsInit (stats);
-            if (!psVectorStats (stats, flux1, NULL, NULL, 0)) {
-                psAbort ("failed to generate stats");
-            }
-            float f1 = stats->sampleMedian;
-
-            psStatsInit (stats);
-            if (!psVectorStats (stats, flux2, NULL, NULL, 0)) {
-                psAbort ("failed to generate stats");
-            }
-            float f2 = stats->sampleMedian;
+            float f1 = NAN;
+            if (flux1->n > 0) {
+                psStatsInit (stats);
+                if (!psVectorStats (stats, flux1, NULL, NULL, 0)) {
+                    psAbort ("failed to generate stats");
+                }
+                f1 = stats->sampleMedian;
+            }
+
+            float f2 = NAN;
+            if (flux2->n > 0) {
+                psStatsInit (stats);
+                if (!psVectorStats (stats, flux2, NULL, NULL, 0)) {
+                    psAbort ("failed to generate stats");
+                }
+                f2 = stats->sampleMedian;
+            }
 
             stamps->window1->kernel[y][x] = f1;