From 04ab6c434f782ee199660dd7d9b4f94f033bf63f Mon Sep 17 00:00:00 2001
From: Josh <Josh.Bendavid@cern.ch>
Date: Wed, 25 Sep 2013 17:52:06 +0200
Subject: [PATCH] properly flag lack of support for analytic integration over
 reduced range

---
 interface/RooBernsteinFast.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/interface/RooBernsteinFast.h b/interface/RooBernsteinFast.h
index f3bdf4a5fd942..c0c40e0297536 100644
--- a/interface/RooBernsteinFast.h
+++ b/interface/RooBernsteinFast.h
@@ -71,6 +71,12 @@ template<int N> class RooBernsteinFast : public RooAbsPdf {
   
   Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=0) const
     {
+      
+      // No analytical calculation available (yet) of integrals over subranges (as for standard RooBernstein)
+      if (rangeName && strlen(rangeName)) {
+        return 0 ;
+      }      
+      
       if (matchArgs(allVars, analVars, _x)) return 1;
       return 0;
     }