Index: /trunk/psLib/src/math/psConstants.h
===================================================================
--- /trunk/psLib/src/math/psConstants.h	(revision 9592)
+++ /trunk/psLib/src/math/psConstants.h	(revision 9593)
@@ -6,6 +6,6 @@
  *  @author GLG, MHPCC
  *
- *  @version $Revision: 1.93 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2006-06-30 02:20:06 $
+ *  @version $Revision: 1.94 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2006-10-17 01:34:45 $
  *
  *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -57,2 +57,7 @@
 
 #define PS_SWAP(X,Y) {double tmp=(X); (X) = (Y); (Y) = tmp;}
+
+// These defines for bitwise opertaions are necessary to yield results of the proper size (use instead of ~)
+#define PS_NOT_U8(A)(UCHAR_MAX-(A)) // Perform bitwise NOT on A which is of type U8
+#define PS_NOT_U16(A)(USHORT_MAX-(A)) // Perform bitwaise NOT on A which is of type U16
+