add protection agains null energy - A. Mas

diff --git a/PWG/CaloTrackCorrBase/AliCalorimeterUtils.cxx b/PWG/CaloTrackCorrBase/AliCalorimeterUtils.cxx
index c0cb3adb9524e49bb823711bf31e424efc1f5741..25e2bcecc58fc2c1f8cf8f8cfbbcfed0f6834161 100755 (executable)
--- a/PWG/CaloTrackCorrBase/AliCalorimeterUtils.cxx
+++ b/PWG/CaloTrackCorrBase/AliCalorimeterUtils.cxx
@@ -776,7 +776,10 @@ Int_t  AliCalorimeterUtils::GetMaxEnergyCell(AliVCaloCells* cells, const AliVClu
     
   }// cell loop
   
-  clusterFraction = (eTot-eMax)/eTot; //Do not use cluster energy in case it was corrected for non linearity.
+  if(eTot > 0.1)
+    clusterFraction = (eTot-eMax)/eTot; //Do not use cluster energy in case it was corrected for non linearity.
+  else 
+    clusterFraction =1.;
   
   return absId;