Index: trunk/psLib/src/math/psStats.c
===================================================================
--- trunk/psLib/src/math/psStats.c	(revision 2224)
+++ trunk/psLib/src/math/psStats.c	(revision 2226)
@@ -9,6 +9,6 @@
  *  @author GLG, MHPCC
  *
- *  @version $Revision: 1.77 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2004-10-28 00:22:53 $
+ *  @version $Revision: 1.78 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2004-10-28 00:45:44 $
 n *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -1546,5 +1546,5 @@
     PS_VECTOR_CHECK_TYPE(out->nums, PS_TYPE_U32, NULL);
     PS_INT_CHECK_NON_NEGATIVE(out->nums->n, NULL);
-    PS_VECTOR_CHECK_NULL(in, NULL);
+    PS_VECTOR_CHECK_NULL(in, out);
     if (mask != NULL) {
         PS_VECTOR_CHECK_SIZE_EQUAL(in, mask, NULL);
@@ -1679,8 +1679,8 @@
 {
     PS_PTR_CHECK_NULL(stats, NULL);
-    PS_VECTOR_CHECK_NULL(in, NULL);
+    PS_VECTOR_CHECK_NULL(in, stats);
     if (mask != NULL) {
-        PS_VECTOR_CHECK_SIZE_EQUAL(mask, in, NULL);
-        PS_VECTOR_CHECK_TYPE(mask, PS_TYPE_U8, NULL);
+        PS_VECTOR_CHECK_SIZE_EQUAL(mask, in, stats);
+        PS_VECTOR_CHECK_TYPE(mask, PS_TYPE_U8, stats);
     }
     psVector* inF32;