Changeset 4129 for trunk/psphot/src/by_SN.c

Timestamp:

Jun 6, 2005, 11:20:45 PM (21 years ago)

Author:

eugene

Message:

further basic concepts

Location:

trunk/psphot

Files:

• . (modified) (1 prop)
• src/by_SN.c (modified) (2 diffs)

trunk/psphot/src/by_SN.c

@@ -1 +1 @@
 # include "psphot.h"
 
+// sort by SN (descending)
 int by_SN (const void **a, const void **b)
 {
-    psSource *A = *a;
-    psSource *B = *b;
+    psSource *A = *(psSource **)a;
+    psSource *B = *(psSource **)b;
 
     psF32 fA = (A->moments == NULL) ? 0 : A->moments->SN;
@@ -10 +11 @@
 
     psF32 diff = fA - fB;
-    if (diff < FLT_EPSILON) return (-1);
-    if (diff > FLT_EPSILON) return (+1);
+    if (diff > FLT_EPSILON) return (-1);
+    if (diff < FLT_EPSILON) return (+1);
     return (0);
 }