Changeset 20333

Timestamp:

Oct 22, 2008, 12:28:44 PM (18 years ago)

Author:

Paul Price

Message:

Catch case when sumKernel = 0.

File:

• trunk/psLib/src/imageops/psImageInterpolate.c (modified) (2 diffs)

trunk/psLib/src/imageops/psImageInterpolate.c

@@ -7 +7 @@
  *  @author Paul Price, IfA
  *
- *  @version $Revision: 1.28 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2008-10-22 18:40:36 $
+ *  @version $Revision: 1.29 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2008-10-22 22:28:44 $
  *
  *  Copyright 2004-2007 Institute for Astronomy, University of Hawaii
@@ -431 +431 @@
         *varianceValue = sumVariance / (sumKernel2 - sumBad); \
     } \
-    if (sumBad == 0) { \
+    if (sumKernel == 0.0) { \
+        /* No kernel contributions */ \
+        if (haveMask && maskValue) { \
+            *maskValue |= interp->badMask; \
+        } \
+        status = PS_INTERPOLATE_STATUS_BAD; \
+    } else if (sumBad == 0) { \
         /* Completely good pixel */ \
         status = PS_INTERPOLATE_STATUS_GOOD; \