Index: trunk/psLib/src/imageops/psImageCovariance.h
===================================================================
--- trunk/psLib/src/imageops/psImageCovariance.h	(revision 21280)
+++ trunk/psLib/src/imageops/psImageCovariance.h	(revision 21298)
@@ -5,6 +5,6 @@
  * @author Paul Price, IfA
  *
- * @version $Revision: 1.2 $ $Name: not supported by cvs2svn $
- * @date $Date: 2009-02-04 02:55:27 $
+ * @version $Revision: 1.3 $ $Name: not supported by cvs2svn $
+ * @date $Date: 2009-02-05 00:42:48 $
  * Copyright 2009 Institute for Astronomy, University of Hawaii
  */
@@ -40,5 +40,10 @@
     );
 
-/// Average many covariance pseudo-matrices
+/// Sum multiple covariance pseudo-matrices
+psKernel *psImageCovarianceSum(
+    const psArray *array                ///< Array of covariance pseudo-matrices
+    );
+
+/// Average multiple covariance pseudo-matrices
 psKernel *psImageCovarianceAverage(
     const psArray *array                ///< Array of covariance pseudo-matrices