X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=MUON%2FAliMUONTrackExtrap.h;h=809c4692a3f7b45518a8616dacec7a57006d18fa;hb=c77b3dc7e4eb7e6c571828c984874471eb4e3157;hp=629914cdd6fef3b450747e72f7b1d36674919307;hpb=4ea3f0134cb5b743c06c4be010ccd0a248271ca1;p=u%2Fmrichter%2FAliRoot.git

diff --git a/MUON/AliMUONTrackExtrap.h b/MUON/AliMUONTrackExtrap.h
index 629914cdd6f..809c4692a3f 100644
--- a/MUON/AliMUONTrackExtrap.h
+++ b/MUON/AliMUONTrackExtrap.h
@@ -73,7 +73,7 @@ class AliMUONTrackExtrap : public TObject
   static Double_t GetMCSAngle2(const AliMUONTrackParam& param, Double_t dZ, Double_t x0);
   static void     AddMCSEffect(AliMUONTrackParam *param, Double_t dZ, Double_t x0);
   
-  static void ExtrapOneStepRungekutta(Double_t charge, Double_t step, Double_t* vect, Double_t* vout);
+  static Bool_t ExtrapOneStepRungekutta(Double_t charge, Double_t step, const Double_t* vect, Double_t* vout);
   
   
  private:
@@ -104,7 +104,7 @@ class AliMUONTrackExtrap : public TObject
                              Double_t errXVtx, Double_t errYVtx,
                              Bool_t correctForMCS, Bool_t correctForEnergyLoss);
   
-  static void AddMCSEffectInAbsorber(AliMUONTrackParam* trackParam, Double_t pathLength, Double_t f0, Double_t f1, Double_t f2);
+  static void AddMCSEffectInAbsorber(AliMUONTrackParam* trackParam, Double_t signedPathLength, Double_t f0, Double_t f1, Double_t f2);
   static void CorrectMCSEffectInAbsorber(AliMUONTrackParam* param,
                                          Double_t xVtx, Double_t yVtx, Double_t zVtx,
                                          Double_t errXVtx, Double_t errYVtx,
@@ -120,8 +120,8 @@ class AliMUONTrackExtrap : public TObject
   static void Cov2CovP(const TMatrixD &param, TMatrixD &cov);
   static void CovP2Cov(const TMatrixD &param, TMatrixD &cov);
   
-  static void ExtrapOneStepHelix(Double_t charge, Double_t step, Double_t *vect, Double_t *vout);
-  static void ExtrapOneStepHelix3(Double_t field, Double_t step, Double_t *vect, Double_t *vout);
+  static void ExtrapOneStepHelix(Double_t charge, Double_t step, const Double_t *vect, Double_t *vout);
+  static void ExtrapOneStepHelix3(Double_t field, Double_t step, const Double_t *vect, Double_t *vout);
   
   ClassDef(AliMUONTrackExtrap, 0) // Tools for track extrapolation in ALICE dimuon spectrometer
 };