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06351446 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * See cxx source for full Copyright notice * | |
4 | **************************************************************************/ | |
5 | ||
6 | //------------------------------------------------------------------------- | |
7 | // Class AliRsnAnalysis | |
8 | // Reconstruction and analysis of K* Rsn | |
9 | // ........................................ | |
10 | // ........................................ | |
11 | // ........................................ | |
12 | // ........................................ | |
13 | // | |
14 | // author: A. Pulvirenti (email: alberto.pulvirenti@ct.infn.it) | |
15 | //------------------------------------------------------------------------- | |
16 | ||
17 | #ifndef ALIRSNPAIRDEF_H | |
18 | #define ALIRSNPAIRDEF_H | |
19 | ||
20 | class AliRsnDaughter; | |
21 | #include "AliRsnPID.h" | |
22 | ||
23 | class AliRsnPairDef : public TObject | |
24 | { | |
25 | public: | |
26 | ||
27 | AliRsnPairDef(); | |
28 | AliRsnPairDef(Char_t sign1, AliRsnPID::EType type1, Char_t sign2, AliRsnPID::EType type2, | |
29 | Int_t nbins, Double_t min, Double_t max); | |
30 | AliRsnPairDef(const AliRsnPairDef ©); | |
31 | const AliRsnPairDef& operator=(const AliRsnPairDef ©); | |
32 | virtual ~AliRsnPairDef() { } | |
33 | ||
34 | // getters | |
35 | Char_t GetCharge(Int_t i) const {if (i>=0&&i<2) return fCharge[i]; else return 0;} | |
36 | AliRsnPID::EType GetType(Int_t i) const {if (i>=0&&i<2) return fType[i]; else return AliRsnPID::kUnknown;} | |
37 | Double_t GetMass(Int_t i) const {if (i>=0&&i<2) return fMass[i]; else return 0.0;} | |
38 | Int_t GetNBins() const {return fNBins;} | |
39 | Double_t GetMin() const {return fMin;} | |
40 | Double_t GetMax() const {return fMax;} | |
41 | Int_t GetMotherPDG() const {return fMotherPDG;} | |
42 | ||
43 | // setters | |
44 | Bool_t SetPairElement(Int_t i, Char_t charge, AliRsnPID::EType pid); | |
45 | Bool_t SetPair(Char_t charge1, AliRsnPID::EType pid1, Char_t charge2, AliRsnPID::EType pid2); | |
46 | void SetMotherPDG(Int_t pdg) {fMotherPDG = pdg;} | |
47 | void SetNBins(Int_t value) {fNBins = value;} | |
48 | void SetMin(Double_t value) {fMin = value; CheckEdges();} | |
49 | void SetMax(Double_t value) {fMax = value; CheckEdges();} | |
50 | void SetBins(Int_t nbins, Double_t min, Double_t max) {fNBins=nbins; fMin=min; fMax=max; CheckEdges();} | |
51 | ||
52 | // pair information methods | |
53 | Bool_t IsLikeSign() {return (fCharge[0] == fCharge[1]);} | |
54 | Bool_t HasEqualTypes() {return (fType[0] == fType[1]);} | |
55 | ||
56 | // working routines | |
57 | void CheckEdges(); | |
58 | Double_t ComputeWeight(AliRsnDaughter *d0, AliRsnDaughter *d1); | |
59 | ||
60 | private: | |
61 | ||
62 | // pair parameters | |
63 | Int_t fMotherPDG; // PDG code of true mother (if known) | |
64 | Double_t fMass[2]; // mass of particles | |
65 | Char_t fCharge[2]; // charge of particles | |
66 | AliRsnPID::EType fType[2]; // PID of particles | |
67 | ||
68 | // histogram parameters | |
69 | Int_t fNBins; // number of histogram bins | |
70 | Double_t fMin; // lower edge | |
71 | Double_t fMax; // upper edge | |
72 | ||
73 | // ROOT dictionary | |
74 | ClassDef(AliRsnPairDef, 1) | |
75 | }; | |
76 | ||
77 | #endif |