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[u/mrichter/AliRoot.git] / TPC / AliTPCcalibTimeGain.h

diff --git a/TPC/AliTPCcalibTimeGain.h b/TPC/AliTPCcalibTimeGain.h
index b2af6f713ae553aa9a9c1ec313923880e886cbb0..b87a7bb58d4076afebb9eb67029d741fe8cfbfe8 100644 (file)
--- a/TPC/AliTPCcalibTimeGain.h
+++ b/TPC/AliTPCcalibTimeGain.h
@@ -42,8 +42,8 @@ public:
   static void            BinLogX(THnSparse *h, Int_t axisDim);
   static void            BinLogX(TH1 *h);
   //
-  THnSparse *            GetHistGainTime(){return (THnSparse*) fHistGainTime;};
-  TH2F      *            GetHistDeDxTotal(){return (TH2F*) fHistDeDxTotal;};
+  THnSparse *            GetHistGainTime() const {return (THnSparse*) fHistGainTime;};
+  TH2F      *            GetHistDeDxTotal() const {return (TH2F*) fHistDeDxTotal;};
   //
   TGraphErrors *         GetGraphGainVsTime(Int_t runNumber = 0, Int_t minEntries = 2000);
   static AliSplineFit *  MakeSplineFit(TGraphErrors * graph);