add const to get methods

diff --git a/MUON/AliMUONDigit.h b/MUON/AliMUONDigit.h
index dab1e0c0a0bdbb058a153fc030f6cbc99104184c..a0331c5677ef192be64ed6dcf6cb59acfb180545 100644 (file)
--- a/MUON/AliMUONDigit.h
+++ b/MUON/AliMUONDigit.h
@@ -17,14 +17,14 @@ class AliMUONDigit : public TObject {
     AliMUONDigit(Int_t *tracks, Int_t *charges, Int_t *digits);
     virtual ~AliMUONDigit();
     
-    virtual Int_t    PadX()               {return fPadX;}
-    virtual Int_t    PadY()               {return fPadY;}
-    virtual Int_t    Signal()             {return fSignal;}
-    virtual Int_t    Physics()            {return fPhysics;}
-    virtual Int_t    Hit()                {return fHit;}    
-    virtual Int_t    Cathode()            {return fCathode;}
-    virtual Int_t    Track(Int_t i)       {return fTracks[i];}
-    virtual Int_t    TrackCharge(Int_t i) {return fTcharges[i];}    
+    virtual Int_t    PadX() const         {return fPadX;}
+    virtual Int_t    PadY() const         {return fPadY;}
+    virtual Int_t    Signal() const       {return fSignal;}
+    virtual Int_t    Physics() const      {return fPhysics;}
+    virtual Int_t    Hit() const          {return fHit;}    
+    virtual Int_t    Cathode() const      {return fCathode;}
+    virtual Int_t    Track(Int_t i) const {return fTracks[i];}
+    virtual Int_t    TrackCharge(Int_t i) const {return fTcharges[i];}    
     virtual void     AddSignal(Int_t q)   {fSignal += q;}
     virtual void     AddPhysicsSignal(Int_t q)   {fPhysics += q;}          
  private: