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