Changes for #90303: Fix PROOF-INF/SETUP.C to create PAR files for AliRoot trunk

[u/mrichter/AliRoot.git] / JETAN / AliDAJetFinder.cxx

diff --git a/JETAN/AliDAJetFinder.cxx b/JETAN/AliDAJetFinder.cxx
index dcb74c7eeda83119eaffaeaa9183c118fb62007b..16685f22930191e0c6a0f8c5dd981c5de8cdc57f 100644 (file)
--- a/JETAN/AliDAJetFinder.cxx
+++ b/JETAN/AliDAJetFinder.cxx
@@ -418,7 +418,9 @@ void AliDAJetFinder::StoreJets(Int_t nk, Double_t **xData, Int_t *xx, TMatrixD *
        Double_t *xPhi = xData[1];
        Int_t nEff = 0;
        for (Int_t i=0; i<fNeff; i++) if (xEta[i]<dFidEtaMax && xEta[i]>dFidEtaMin) nEff++;
-       Double_t dMeanDist=TMath::Sqrt(2*dFiducialEta*pi/nEff);
+       Double_t dMeanDist=0.;
+       if (nEff > 0) 
+           dMeanDist=TMath::Sqrt(2*dFiducialEta*pi/nEff);
        Bool_t   *isJet = new Bool_t[nk];
        Double_t *etNoBg= new Double_t[nk];
        Double_t *dDeltaEta=new Double_t[nk];