Index: trunk/MagicSoft/Mars/mbase/MMath.cc
===================================================================
--- trunk/MagicSoft/Mars/mbase/MMath.cc	(revision 8562)
+++ trunk/MagicSoft/Mars/mbase/MMath.cc	(revision 8563)
@@ -1,4 +1,4 @@
 /* ======================================================================== *\
-! $Name: not supported by cvs2svn $:$Id: MMath.cc,v 1.32 2007-06-11 15:35:14 tbretz Exp $
+! $Name: not supported by cvs2svn $:$Id: MMath.cc,v 1.33 2007-06-16 21:50:26 tbretz Exp $
 ! --------------------------------------------------------------------------
 !
@@ -162,4 +162,7 @@
 Double_t MMath::GaussProb(Double_t x, Double_t sigma, Double_t mean)
 {
+    if (x<mean)
+        return 0;
+
     static const Double_t sqrt2 = TMath::Sqrt(2.);