Protections for coverity: DIVIDE_BY_ZERO

[u/mrichter/AliRoot.git] / JETAN / DEV / AliJetBkg.cxx

diff --git a/JETAN/DEV/AliJetBkg.cxx b/JETAN/DEV/AliJetBkg.cxx
index 9409d4a261388767ea4813eedac6e7149e9fbb65..7c15ca61954ca98513587e9d6a1716f41b77c284 100644 (file)
--- a/JETAN/DEV/AliJetBkg.cxx
+++ b/JETAN/DEV/AliJetBkg.cxx
@@ -215,7 +215,8 @@ void AliJetBkg::SubtractBackg(const Int_t& nIn, const Int_t&nJ, Float_t&etbgTota
       count=count+1;
     }
   }
-  sigmaN=TMath::Sqrt(TMath::Abs(sigmaN)/count);
+  if (count>0)
+    sigmaN=TMath::Sqrt(TMath::Abs(sigmaN)/count);
 
 }