Index: trunk/archive/pslib/include/psFunctions.h
===================================================================
--- trunk/archive/pslib/include/psFunctions.h	(revision 226)
+++ trunk/archive/pslib/include/psFunctions.h	(revision 247)
@@ -2,9 +2,11 @@
 #define PS_FUNCTIONS_H
 
-#include "psStdArrays.h"
+/** \file psFunctions.h
+ *  \brief Standard Mathematical Functions. 
+ *  \ingroup MathGroup
+ */
 
-/* Standard Functions */
-
-/** Gaussian.  Note that this is not a Gaussian deviate */
+/** evaluate a non-normalized Gaussian with the given mean and sigma at the given coordianate.  Note that this
+    is not a Gaussian deviate.  The evaluated Gaussian is: \f[ exp(-\frac{(x-mean)^2}{2\sigma^2}) \f] */
 float
 psGaussian(float x,			//!< Value at which to evaluate