Index: trunk/psLib/src/math/psConstants.h
===================================================================
--- trunk/psLib/src/math/psConstants.h	(revision 2291)
+++ trunk/psLib/src/math/psConstants.h	(revision 2293)
@@ -6,6 +6,6 @@
  *  @author GLG, MHPCC
  *
- *  @version $Revision: 1.36 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2004-11-06 00:44:56 $
+ *  @version $Revision: 1.37 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2004-11-06 00:56:28 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -318,4 +318,13 @@
 }
 
+#define PS_IMAGE_CHECK_SIZE_EQUAL(NAME1, NAME2, RVAL) \
+if ((NAME1->numCols != NAME2->numCols) || \
+        (NAME1->numRows != NAME2->numRows)) { \
+    psError(PS_ERR_BAD_PARAMETER_SIZE, true, \
+            "Unallowable operation: psImages %s and %s are not the same size.", \
+            #NAME1, #NAME2); \
+    return(RVAL); \
+}
+