Index: trunk/psLib/src/math/psClip.c
===================================================================
--- trunk/psLib/src/math/psClip.c	(revision 11755)
+++ trunk/psLib/src/math/psClip.c	(revision 11756)
@@ -33,5 +33,5 @@
     params->numKeep = 0;
     params->iter = 1;
-    params->rej = 3.0;
+    params->rej = 0.0;
     params->masked = masked;
     params->clipped = clipped;
@@ -131,7 +131,12 @@
     PS_ASSERT_INT_NONZERO(params->meanStat, -1);
     PS_ASSERT_INT_NONZERO(params->stdevStat, -1);
-    if (!isfinite(params->rej) || params->rej <= 0) {
+    if (!isfinite(params->rej) || params->rej < 0) {
         psError(PS_ERR_BAD_PARAMETER_VALUE, true, "Rejection limit (%f) is not valid.\n", params->rej);
         return -1;
+    }
+
+    if (params->rej == 0.0) {
+        // No clipping desired
+        return 0;
     }