#ifndef ALITPCCOSMICUTILS_H
#define ALITPCCOSMICUTILS_H
class TVector3;
class AliESDfriend;
class AliTPCCosmicUtils
{
public:
enum{
k0OB0=1,
k0OB1=2,
k0HWU=4,
kTRDCO2=8,
kAMU=16,
kSCO=32
};
static Double_t GetMinPhi(const AliExternalTrackParam *params[]);
static Int_t GetBField(const AliESDEvent *esd);
static Int_t GetTrigger(const AliESDEvent *esd);
static AliTPCseed * GetTPCseed(const AliESDtrack *esdtrack);
static Bool_t GetESD(AliESDEvent *& esdevent, AliESDfriend *& esdfriend);
static AliExternalTrackParam *MakeSeed(const AliTPCseed *tseed);
static void SingleFit(AliExternalTrackParam * trackInOld, AliExternalTrackParam * trackOutOld, const AliTPCseed *tseed, const Bool_t kinward, const Int_t rowstartshift, const Int_t rowstep, const Double_t xmin, const Double_t xmax, Int_t &nfit, Int_t &nmiss, Double_t &pchi2, Double_t &lfit, TTreeSRedirector *debugstreamer=0x0);
static void CombinedFit(AliExternalTrackParam *trackPars[], const AliTPCseed *seeds[], const Int_t rowstartshift, const Int_t rowstep, const Double_t xmin, const Double_t xmax, Int_t &nfit, Int_t &nmiss, Double_t &pchi2, Double_t &lfit, Double_t &vtxD, Double_t &vtxZ, TTreeSRedirector *debugstreamer=0x0);
static void DrawTracks(AliESDtrack *esdtrks[], const TString tag, const TString outputformat="png");
static void DrawSeeds(const AliTPCseed * seeds[], const TString tag, const TString outputformat="png");
static void PrintTrackParam(const Int_t id, const AliExternalTrackParam * trackpar, const char *tag="");
static Bool_t RotateSafe(AliExternalTrackParam *trackPar, const Double_t aa);
static Double_t AngleInRange(Double_t phi);
static Double_t Point2LineDist(const TVector3 p0, const TVector3 l1, const TVector3 l2, TVector3 *vtx = 0x0);
static Int_t NRow(){ return 159;}
static Int_t NclsMin(){ return 40;}
static Double_t Mass(){ return 0.105658;}
private:
static Int_t XMin(){ return 80;}
static Int_t Niter(){ return 2;}
static void IniCov(AliExternalTrackParam *trackPar, const Double_t ncl);
static void SubCombined(AliExternalTrackParam *trackPar, const AliTPCseed *seeds[], const Int_t tk0, const Int_t tk1, const Int_t rowstartshift, const Int_t rowstep, const Double_t xmin, const Double_t xmax, const Double_t eloss, Int_t &nfit, Int_t &nmiss, Double_t &pchi2, Double_t &lfit, Double_t &vtxD, Double_t &vtxZ, TTreeSRedirector *debugstreamer=0x0);
static void FitKernel(AliExternalTrackParam *trackPar, const AliTPCseed *tseed, const Int_t rowstart, const Int_t rowstop, const Int_t drow, const Double_t xmin, const Double_t xmax, const Double_t eloss, Int_t &ksite, Int_t &nfit, Int_t &nmiss, Double_t &pchi2, TVector3 &gposStart, TVector3 &gposStop, TTreeSRedirector *debugstreamer, const Bool_t kinicov);
};
#endif