ALIROOT-3799 - DAs documentation

[u/mrichter/AliRoot.git] / MFT / AliAnalysisTaskMFTExample.cxx

diff --git a/MFT/AliAnalysisTaskMFTExample.cxx b/MFT/AliAnalysisTaskMFTExample.cxx
index f6b10791016ebac983caeaad35a83ee8cb7eaf9a..0a6c54f03c5eb8e8c3279cec87c9640f1d64a344 100755 (executable)
--- a/MFT/AliAnalysisTaskMFTExample.cxx
+++ b/MFT/AliAnalysisTaskMFTExample.cxx
@@ -197,30 +197,38 @@ void AliAnalysisTaskMFTExample::UserExec(Option_t *) {
       recMuon2 = aodEv->GetTrack(jTrack);
       
       AliAODDimuon *dimuon = new AliAODDimuon(recMuon1, recMuon2);
-      if (dimuon->Charge()) continue;
+      if (dimuon->Charge()) {
+       delete dimuon;
+       continue;
+      }
 
       // pt and mass all OS dimuons
       fHistPtDimuonsOS   -> Fill(dimuon->Pt());
       fHistMassDimuonsOS -> Fill(dimuon->Mass());
 
+      delete dimuon;
+
       // pt and mass J/psi dimuons
       if (!isMuon1FromJpsi) continue;
       if (recMuon2->GetLabel() >= 0) {
        mcMuon2 = (AliAODMCParticle*) stackMC->At(recMuon2->GetLabel());
        if (mcMuon2) {
          if (mcMuon2->GetMother() == mcMuon1->GetMother()) {
-           AliAODDimuon *dimuon = new AliAODDimuon;
-           dimuon->SetMuons(recMuon1,recMuon2);
+           AliAODDimuon *dimuonJpsi = new AliAODDimuon;
+           dimuonJpsi->SetMuons(recMuon1,recMuon2);
            Double_t pca[3]={0};
            Double_t pcaQuality=0;
            TLorentzVector kinem(0,0,0,0);
-           if (!AliMFTAnalysisTools::CalculatePCA(dimuon, pca, pcaQuality, kinem)) continue;
+           if (!AliMFTAnalysisTools::CalculatePCA(dimuonJpsi, pca, pcaQuality, kinem)) {
+             delete dimuonJpsi;
+             continue;
+           }
            fHistPtDimuonsJpsi    -> Fill(kinem.Pt());
            fHistMassDimuonsJpsi  -> Fill(kinem.M());
            fHistResidualXVtxJpsi -> Fill(1.e4*(pca[0] - fPrimaryVertex[0]));
            fHistResidualYVtxJpsi -> Fill(1.e4*(pca[1] - fPrimaryVertex[1]));
            fHistResidualZVtxJpsi -> Fill(1.e4*(pca[2] - fPrimaryVertex[2]));
-           delete dimuon;
+           delete dimuonJpsi;
          }
        }
       }