}
//____________________________________________________________________________
-Bool_t AliITStrackMI::UpdateMI(Double_t cy, Double_t cz, Double_t cerry, Double_t cerrz, Double_t chi2, Int_t index) {
+Bool_t AliITStrackMI::UpdateMI(const AliCluster *c, Double_t chi2, Int_t index) {
//------------------------------------------------------------------
//This function updates track parameters
//------------------------------------------------------------------
- Double_t dy=cy - GetY(), dz=cz - GetZ();
+ Double_t dy=c->GetY() - GetY(), dz=c->GetZ() - GetZ();
Int_t layer = (index & 0xf0000000) >> 28;
fDy[layer] = dy;
fDz[layer] = dz;
- fSigmaY[layer] = TMath::Sqrt(cerry*cerry+GetSigmaY2());
- fSigmaZ[layer] = TMath::Sqrt(cerrz*cerrz+GetSigmaZ2());
+ fSigmaY[layer] = TMath::Sqrt(c->GetSigmaY2()+GetSigmaY2());
+ fSigmaZ[layer] = TMath::Sqrt(c->GetSigmaZ2()+GetSigmaZ2());
- Double_t p[2]={cy, cz};
- Double_t cov[3]={cerry*cerry, 0., cerrz*cerrz};
- if (!AliExternalTrackParam::Update(p,cov)) return kFALSE;
-
- if (!Invariant()) {
- AliWarning("Wrong invariant !");
- return kFALSE;
- }
-
- if (chi2<0) return 1;
- Int_t n=GetNumberOfClusters();
- fIndex[n]=index;
- SetNumberOfClusters(n+1);
- SetChi2(GetChi2()+chi2);
-
- return kTRUE;
+ return Update(c,chi2,index);
}
Int_t AliITStrackMI::GetProlongationFast(Double_t alp, Double_t xk,Double_t &y, Double_t &z)