I improved (by a factor 2.5) the speed of the MatchToMC method

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

diff --git a/STEER/AliAODRecoDecay.h b/STEER/AliAODRecoDecay.h
index 381851fe3ec97d64eb84bc8b2514b3582443dd68..9bc67860740b28fd5f9439b612843f833461bff6 100644 (file)
--- a/STEER/AliAODRecoDecay.h
+++ b/STEER/AliAODRecoDecay.h
@@ -11,10 +11,12 @@
 
 #include <TMath.h>
 #include <TRef.h>
+#include <TClonesArray.h>
 #include "AliAODVertex.h"
-#include "AliVParticle.h"
+#include "AliAODTrack.h"
+#include "AliVTrack.h"
 
-class AliAODRecoDecay : public AliVParticle {
+class AliAODRecoDecay : public AliVTrack {
 
  public:
 
@@ -45,6 +47,12 @@ class AliAODRecoDecay : public AliVParticle {
   Short_t  GetCharge() const {return fCharge;}
   void     SetCharge(Short_t charge=0) {fCharge=charge;}
 
+  // Match to MC signal:
+  // check if this candidate is matched to a MC signal
+  // If no, return -1
+  // If yes, return label (>=0) of the AliAODMCParticle
+  Int_t    MatchToMC(Int_t pdgabs,TClonesArray *mcArray) const;
+
   // PID
   void      SetPID(Int_t nprongs,Double_t *pid);
   Double_t *GetPID() const { return fPID; }
@@ -62,6 +70,13 @@ class AliAODRecoDecay : public AliVParticle {
   Int_t GetEventNumber() const { return fEventNumber; }
   Int_t GetRunNumber() const { return fRunNumber; }
 
+  // methods of AliVTrack
+  virtual Int_t    GetID() const { return -1; }
+  virtual UChar_t  GetITSClusterMap() const;
+  virtual ULong_t  GetStatus() const;
+  virtual Bool_t   GetXYZ(Double_t *p) const { return XvYvZv(p); }
+  virtual Bool_t   GetCovarianceXYZPxPyPz(Double_t cv[21]) const;
+
   // kinematics & topology
   Double_t Px() const; 
   Double_t Py() const;
@@ -105,10 +120,11 @@ class AliAODRecoDecay : public AliVParticle {
   Double_t ImpParXY(AliAODVertex *vtx1) const;
 
   // prongs
-  //Int_t   GetNProngs() const {return GetSecondaryVtx()->GetNDaughters();}
-  Int_t   GetNProngs() const {return fNProngs;}
+  Int_t    GetNProngs() const {return fNProngs;}
+  Int_t    GetNDaughters() const {return GetSecondaryVtx()->GetNDaughters();}
+  TObject *GetDaughter(Int_t i) const {return (GetNDaughters()>i ? GetSecondaryVtx()->GetDaughter(i) : 0x0);}
 
-  Short_t ChargeProng(Int_t ip) const;
+  Short_t  ChargeProng(Int_t ip) const;
   Double_t Getd0Prong(Int_t ip) const {return fd0[ip];}
   Double_t Prodd0d0(Int_t ip1=0,Int_t ip2=0) const {return fd0[ip1]*fd0[ip2];} 
   Double_t PxProng(Int_t ip) const {return fPx[ip];}
@@ -151,9 +167,12 @@ class AliAODRecoDecay : public AliVParticle {
     {printf("Dummy function; use AliAODRecoDecay::Y(UInt_t pdg) instead"); return (Double_t)-999.;}
   Double_t M() const 
     {printf("Dummy function"); return (Double_t)-999.;}
-
+  Int_t GetLabel() const {return -1;}
  protected:
 
+  Int_t    MatchToMC(Int_t pdgabs,TClonesArray *mcArray,Int_t dgLabels[10],Int_t ndg) const;
+  Int_t    MatchToMC(Int_t pdgabs,TClonesArray *mcArray,Int_t dgLabels[10]) const { return MatchToMC(pdgabs,mcArray,dgLabels,GetNDaughters()); }
+
   TRef     fSecondaryVtx;  // decay vertex
   AliAODVertex *fOwnSecondaryVtx;  // temporary solution (to work outside AliAODEvent)
   Short_t  fCharge;  // charge, use this convention for prongs charges:
@@ -188,7 +207,7 @@ class AliAODRecoDecay : public AliVParticle {
 
   //
 
-  ClassDef(AliAODRecoDecay,3)  // base class for AOD reconstructed decays
+  ClassDef(AliAODRecoDecay,4)  // base class for AOD reconstructed decays
 };
 
 
@@ -321,7 +340,7 @@ inline void AliAODRecoDecay::SetPID(Int_t nprongs,Double_t *pid)
     return;
   }
   if(fPID) delete [] fPID;
-  fNPID = nprongs;
+  fNPID = nprongs*5;
   fPID = new Double32_t[nprongs*5];
   for(Int_t i=0;i<nprongs;i++) 
     for(Int_t j=0;j<5;j++)
@@ -339,3 +358,4 @@ inline void AliAODRecoDecay::GetPIDProng(Int_t ip,Double_t *pid) const
 
 
 #endif
+