+ void FillTheInfoOfTheTrackCH(Int_t nbclusters);
+ Bool_t FindP1TrackPHtracklet(const AliTRDtrack *t, Int_t index0, Int_t index1);
+ Bool_t FindP1TrackPHtrackletV1(const AliTRDseedV1 *tracklet, Int_t nbclusters);
+ Bool_t HandlePRFtracklet(const AliTRDtrack *t, Int_t index0, Int_t index1);
+ Bool_t HandlePRFtrackletV1(const AliTRDseedV1 *tracklet, Int_t nbclusters);
+ void ResetfVariablestracklet();
+ void StoreInfoCHPHtrack(const AliTRDcluster *cl,const Double_t dqdl,const Int_t *group,const Int_t row,const Int_t col);