Add a protection against division by 0 (which may occur when a track exit from the...

[u/mrichter/AliRoot.git] / MUON / AliMUONTrackExtrap.h

diff --git a/MUON/AliMUONTrackExtrap.h b/MUON/AliMUONTrackExtrap.h
index fa90d89b7ea5bf5faa35b87fb5fd87c9c229e835..66ee9ed2d116be1187f5d1b5682316fd6e56c6f9 100644 (file)
--- 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, Double_t* vect, Double_t* vout);
   
   
  private: