Fix for Savannah bug report 59287

[u/mrichter/AliRoot.git] / STEER / AliExternalTrackParam.h

diff --git a/STEER/AliExternalTrackParam.h b/STEER/AliExternalTrackParam.h
index 1b08a51ebbfac6d46250f43a3c9ec34b16831078..112ffb85baeb97af448228ffcffd415b31b36759 100644 (file)
--- a/STEER/AliExternalTrackParam.h
+++ b/STEER/AliExternalTrackParam.h
@@ -151,6 +151,9 @@ class AliExternalTrackParam: public AliVTrack {
 
   Double_t 
     GetPredictedChi2(Double_t p[3],Double_t covyz[3],Double_t covxyz[3]) const;
+
+  Double_t GetPredictedChi2(const AliExternalTrackParam *t) const;
+
   Bool_t 
     PropagateTo(Double_t p[3],Double_t covyz[3],Double_t covxyz[3],Double_t b);
 
@@ -159,6 +162,7 @@ class AliExternalTrackParam: public AliVTrack {
   Bool_t Rotate(Double_t alpha);
   Bool_t PropagateTo(Double_t x, Double_t b);
   Bool_t Propagate(Double_t alpha, Double_t x, Double_t b);
+  Bool_t PropagateBxByBz(Double_t alpha, Double_t x, Double_t b[3]);
   void   Propagate(Double_t len,Double_t x[3],Double_t p[3],Double_t bz) const;
   Bool_t Intersect(Double_t pnt[3], Double_t norm[3], Double_t bz) const;
 
@@ -171,6 +175,8 @@ class AliExternalTrackParam: public AliVTrack {
   Double_t PropagateToDCA(AliExternalTrackParam *p, Double_t b);
   Bool_t PropagateToDCA(const AliVVertex *vtx, Double_t b, Double_t maxd,
                         Double_t dz[2]=0, Double_t cov[3]=0);
+  Bool_t PropagateToDCABxByBz(const AliVVertex *vtx, Double_t b[3], 
+         Double_t maxd, Double_t dz[2]=0, Double_t cov[3]=0);
   
   void GetDirection(Double_t d[3]) const;
   Bool_t GetPxPyPz(Double_t *p) const;
@@ -195,6 +201,9 @@ class AliExternalTrackParam: public AliVTrack {
   //
   virtual void FillPolymarker(TPolyMarker3D *pol, Float_t magf, Float_t minR, Float_t maxR, Float_t stepR);
   virtual void DrawTrack(Float_t magF, Float_t minR, Float_t maxR, Float_t stepR);
+
+  virtual Bool_t Translate(Double_t *vTrasl,Double_t *covV);
+
  protected:
   Double_t &Par(Int_t i) {return fP[i];}
   Double_t &Cov(Int_t i) {return fC[i];}