Changeset 27648 for branches/eam_branches/stackphot.20100406/psModules/src/objects/pmSource.c

Timestamp:

Apr 9, 2010, 4:40:56 PM (16 years ago)

Author:

eugene

Message:

adding features to support psphotStack

File:

• branches/eam_branches/stackphot.20100406/psModules/src/objects/pmSource.c (modified) (1 diff)

branches/eam_branches/stackphot.20100406/psModules/src/objects/pmSource.c

@@ -1065 +1065 @@
 }
 
+// sort by X (ascending)
+int pmSourceSortByX (const void **a, const void **b)
+{
+    pmSource *A = *(pmSource **)a;
+    pmSource *B = *(pmSource **)b;
+
+    psF32 fA = (A->peak == NULL) ? 0 : A->peak->x;
+    psF32 fB = (B->peak == NULL) ? 0 : B->peak->x;
+
+    psF32 diff = fA - fB;
+    if (diff > FLT_EPSILON) return (+1);
+    if (diff < FLT_EPSILON) return (-1);
+    return (0);
+}
+
 // sort by Seq (ascending)
 int pmSourceSortBySeq (const void **a, const void **b)