From 629e03fcadfa48aeac979e40c91d2a97e73a3201 Mon Sep 17 00:00:00 2001
From: loizides <loizides@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Tue, 1 May 2012 08:39:07 +0000
Subject: [PATCH] sort constituents

---
 PWGGA/EMCALTasks/AliEmcalJet.cxx | 9 +++++++++
 PWGGA/EMCALTasks/AliEmcalJet.h   | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/PWGGA/EMCALTasks/AliEmcalJet.cxx b/PWGGA/EMCALTasks/AliEmcalJet.cxx
index dd5aab71ba2..78bf6a15f3b 100644
--- a/PWGGA/EMCALTasks/AliEmcalJet.cxx
+++ b/PWGGA/EMCALTasks/AliEmcalJet.cxx
@@ -1,5 +1,7 @@
 // $Id$
 
+#include <cmath>
+
 #include "AliEmcalJet.h"
 
 ClassImp(AliEmcalJet)
@@ -85,3 +87,10 @@ void AliEmcalJet::Print(Option_t* /*option*/) const
 
   printf("Jet pt=%.2f, eta=%.2f, phi=%.2f, area=%.2f, NEF=%.2f\n", fPt, fEta, fPhi, fArea, fNEF);
 }
+
+//__________________________________________________________________________________________________
+void AliEmcalJet::SortConstituents()
+{
+  std::sort(fClusterIDs->GetArray(), fClusterIDs->GetArray() + fClusterIDs->GetSize());
+  std::sort(fTrackIDs->GetArray(), fTrackIDs->GetArray() + fTrackIDs->GetSize());
+}
diff --git a/PWGGA/EMCALTasks/AliEmcalJet.h b/PWGGA/EMCALTasks/AliEmcalJet.h
index e10c56a064b..abe5f972d29 100644
--- a/PWGGA/EMCALTasks/AliEmcalJet.h
+++ b/PWGGA/EMCALTasks/AliEmcalJet.h
@@ -63,6 +63,8 @@ class AliEmcalJet : public AliVParticle
   Int_t       ClusterAt(Int_t idx)           const { return fClusterIDs->At(idx);   }
   Int_t       TrackAt(Int_t idx)             const { return fTrackIDs->At(idx);     }
 
+  void        SortConstituents();
+
  protected:
   Double32_t  fPt;           //[0,0,12]   pt 
   Double32_t  fEta;          //[-1,1,12]  eta
-- 
2.43.0