Changeset 9593 for trunk/psLib/src/math/psConstants.h

Timestamp:

Oct 16, 2006, 3:34:45 PM (20 years ago)

Author:

Paul Price

Message:

Moving NOT_U8 and NOT_U16 from psModules, and renaming.

File:

• trunk/psLib/src/math/psConstants.h (modified) (2 diffs)

trunk/psLib/src/math/psConstants.h

@@ -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 +57 @@
 
 #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
+