1 #ifndef ALIMULTIDIMVECTOR_H
2 #define ALIMULTIDIMVECTOR_H
4 /* Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
9 ///////////////////////////////////////////////////////////////////
11 // Class to store number of signal and background candidates //
12 // in bins of cut variables //
13 // Origin: Elena Bruna (bruna@to.infn.it) //
14 // Updated: Sergey Senyukov (senyukov@to.infn.it) //
15 // Francesco Prino (prino@to.infn.it) //
16 // Last Updated: Giacomo Ortona (ortona@to.infn.it) //
18 ///////////////////////////////////////////////////////////////////
27 class AliMultiDimVector : public TNamed{
31 AliMultiDimVector(const AliMultiDimVector &mv);
32 AliMultiDimVector(const char *name, const char *title, const Int_t nptbins,
33 const Float_t* ptlimits, const Int_t npars, const Int_t *nofcells, const Float_t *loosecuts, const Float_t *tightcuts, const TString *axisTitles);
34 virtual ~AliMultiDimVector(){};
36 ULong64_t GetNTotCells() const {return fNTotCells;}
37 Int_t GetNVariables() const {return fNVariables;}
38 Int_t GetNPtBins() const {return fNPtBins;}
39 Int_t GetNCutSteps(Int_t iVar) const {return fNCutSteps[iVar];}
40 Float_t GetMinLimit(Int_t iVar) const {return fMinLimits[iVar];}
41 Float_t GetMaxLimit(Int_t iVar) const {return fMaxLimits[iVar];}
42 Float_t GetCutStep(Int_t iVar) const {return (fMaxLimits[iVar]-fMinLimits[iVar])/(Float_t)fNCutSteps[iVar];}
43 TString GetAxisTitle(Int_t iVar) const {return fAxisTitles[iVar];}
44 Bool_t IsIntegrated() const {return fIsIntegrated;}
46 void CopyStructure(const AliMultiDimVector* mv);
48 Float_t GetCutValue(Int_t iVar, Int_t iCell) const{
49 if(fGreaterThan[iVar]) return fMinLimits[iVar]+(Float_t)iCell*GetCutStep(iVar);
50 else return fMaxLimits[iVar]-(Float_t)iCell*GetCutStep(iVar);
52 Float_t GetElement(ULong64_t globadd) const {return fVett[globadd];}
53 Float_t GetElement(const Int_t *ind, Int_t ptbin) const {
54 ULong64_t elem=GetGlobalAddressFromIndices(ind,ptbin);
57 Float_t GetPtLimit(Int_t i) const{return fPtLimits[i];}
58 Int_t GetPtBin(const Float_t pt) const{
59 Int_t theBin=TMath::BinarySearch(fNPtBins+1,fPtLimits,pt);
60 if(theBin>=fNPtBins) theBin=-1;
63 void GetEntireMultiDimVector(Float_t *vett) const {
64 for(ULong64_t i=0; i<fNTotCells; i++) vett[i]=fVett[i];
67 Bool_t GetIndicesFromGlobalAddress(ULong64_t globadd, Int_t *ind, Int_t &ptbin) const;
68 ULong64_t GetGlobalAddressFromIndices(const Int_t *ind, Int_t ptbin) const;
69 Bool_t GetIndicesFromValues(const Float_t *values, Int_t *ind) const;
70 ULong64_t GetGlobalAddressFromValues(const Float_t *values, Int_t ptbin) const;
71 Bool_t GetCutValuesFromGlobalAddress(ULong64_t globadd, Float_t *cuts, Int_t &ptbin) const;
73 ULong64_t* GetGlobalAddressesAboveCuts(const Float_t *values, Float_t pt, Int_t& nVals) const{
74 Int_t theBin=GetPtBin(pt);
75 if(theBin>=0) return GetGlobalAddressesAboveCuts(values,theBin,nVals);
78 ULong64_t* GetGlobalAddressesAboveCuts(const Float_t *values, Int_t ptbin, Int_t& nVals) const;
79 Bool_t GetGreaterThan(Int_t iVar) const {return fGreaterThan[iVar];}
81 void SetElement(ULong64_t globadd,Float_t val) {fVett[globadd]=val;}
82 void SetElement(Int_t *ind, Int_t ptbin, Float_t val){
83 ULong64_t elem=GetGlobalAddressFromIndices(ind,ptbin);
85 printf("SetElement: indices %d %d %d ptbin %d elem %d\n",ind[0],ind[1],ind[2],ptbin,(Int_t)elem);
89 void IncrementElement(Int_t *ind, Int_t ptbin){
90 SetElement(ind,ptbin,GetElement(ind,ptbin)+1);
92 void IncrementElement(ULong64_t globadd){
93 SetElement(globadd,GetElement(globadd)+1.);
96 void Fill(Float_t* values, Int_t ptbin);
97 void FillAndIntegrate(Float_t* values, Int_t ptbin);
101 for(ULong64_t i=0; i<fNTotCells; i++) fVett[i]=0.;
103 void MultiplyBy(Float_t factor);
104 void Multiply(const AliMultiDimVector* mv,Float_t factor);
105 void Multiply(const AliMultiDimVector* mv1, const AliMultiDimVector* mv2);
106 void Add(const AliMultiDimVector* mv);
107 void Sum(const AliMultiDimVector* mv1, const AliMultiDimVector* mv2);
108 void LinearComb(const AliMultiDimVector* mv1, Float_t norm1, const AliMultiDimVector* mv2, Float_t norm2);
109 void DivideBy(const AliMultiDimVector* mv);
110 void Divide(const AliMultiDimVector* mv1, const AliMultiDimVector* mv2);
112 void Sqrt(const AliMultiDimVector* mv);
114 void FindMaximum(Float_t& max_value, Int_t *ind, Int_t ptbin);
115 Int_t* FindLocalMaximum(Float_t& maxValue, Int_t *numFixed,Int_t* indFixed, Int_t nfixed,Int_t ptbin);
117 TH2F* Project(Int_t firstVar, Int_t secondVar, const Int_t* fixedVars, Int_t ptbin, Float_t norm=1.);
119 void SuppressZeroBKGEffect(const AliMultiDimVector* BKG);
120 AliMultiDimVector* ShrinkPtBins(Int_t firstBin, Int_t lastBin);
122 void SetNewLimits(Float_t* loose,Float_t* tight);
123 void SwapLimits(Int_t ilim);
129 void GetIntegrationLimits(Int_t iVar, Int_t iCell, Int_t& minbin, Int_t& maxbin) const;
130 void GetFillRange(Int_t iVar, Int_t iCell, Int_t& minbin, Int_t& maxbin) const;
131 Float_t CountsAboveCell(ULong64_t globadd) const;
133 //void SetMinLimits(Int_t nvar, Float_t* minlim);
134 //void SetMaxLimits(Int_t nvar, Float_t* maxlim);
136 static const Int_t fgkMaxNVariables=10; // max. n. of selection variables
137 static const Int_t fgkMaxNPtBins=10; // max. n. of Pt bins
139 Int_t fNVariables; // n. of selection variables
140 Int_t fNPtBins; // n. of pt bins
141 Float_t fPtLimits[fgkMaxNPtBins+1]; // limits of pt bins
142 Int_t fNCutSteps[fgkMaxNVariables]; // n. of cut step for each variable
143 Float_t fMinLimits[fgkMaxNVariables]; // lower cut value for each variable
144 Float_t fMaxLimits[fgkMaxNVariables]; // higher cut value for each variable
145 Bool_t fGreaterThan[fgkMaxNVariables];// sign of the cut (> or <)
146 TString fAxisTitles[fgkMaxNVariables]; // titles for variables
147 TArrayF fVett; // array with n. of candidates vs. cuts
148 ULong64_t fNTotCells; // total number of matrix elements
149 Bool_t fIsIntegrated; // flag for integrated matrix
151 ClassDef(AliMultiDimVector,2); // a multi-dimensional vector class