Index: trunk/psLib/src/dataManip/psConstants.h
===================================================================
--- trunk/psLib/src/dataManip/psConstants.h	(revision 2847)
+++ trunk/psLib/src/dataManip/psConstants.h	(revision 2860)
@@ -6,6 +6,6 @@
  *  @author GLG, MHPCC
  *
- *  @version $Revision: 1.51 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2004-12-29 22:15:51 $
+ *  @version $Revision: 1.52 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2005-01-03 21:58:52 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -30,4 +30,9 @@
  *****************************************************************************/
 #define PS_ONE 1.0
+#define PS_PI   3.1415926535897932384626433832795029  /* pi */
+#define PS_PI_2 1.5707963267948966192313216916397514  /* pi/2 */
+#define PS_PI_4 0.7853981633974483096156608458198757  /* pi/4 */
+#define PS_1_PI 0.3183098861837906715377675267450287  /* 1/pi */
+#define PS_2_PI 0.6366197723675813430755350534900574  /* 2/pi */
 
 /*****************************************************************************