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6730d2bd | 1 | #ifndef ALIDIELECTRONBTOJPSITOELECDFFITFCNFITTER_H |
2 | #define ALIDIELECTRONBTOJPSITOELECDFFITFCNFITTER_H | |
3 | /* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | //_________________________________________________________________________ | |
7 | // Class AliDielectronBtoJPSItoEleCDFfitFCNfitter | |
8 | // Origin: A. Mastroserio | |
9 | // Interface class to fit invariant mass and pseudoproperdecay length separately | |
10 | // Contact: Annalisa.Mastroserio@ba.infn.it | |
11 | //_________________________________________________________________________ | |
12 | ||
13 | ||
14 | #include "AliDielectronBtoJPSItoEleCDFfitFCN.h" | |
15 | class TF1; | |
16 | class TF2; | |
17 | class TH1F; | |
18 | class TH2F; | |
19 | class TArrayD; | |
20 | ||
21 | class AliDielectronBtoJPSItoEleCDFfitFCNfitter { | |
22 | ||
23 | public: | |
24 | AliDielectronBtoJPSItoEleCDFfitFCNfitter(); | |
25 | virtual ~AliDielectronBtoJPSItoEleCDFfitFCNfitter(); | |
26 | ||
27 | ||
28 | // INVARIANT MASS | |
29 | enum {kInvMassSignal=5, kInvMassBkg=4, kInvMassTotal=9}; | |
30 | ||
31 | void SetInvMassParameters(const Double_t massPar[kInvMassTotal]); | |
32 | void GetInvMassParameters(TArrayD &massPar); | |
33 | void SetInvMassSignalParameters(const Double_t massPar[kInvMassSignal]); | |
34 | void GetInvMassSignalParameters(TArrayD &massPar); | |
35 | void SetInvMassBkgParameters(const Double_t massPar[kInvMassBkg]); | |
36 | void GetInvMassBkgParameters(TArrayD &massPar); | |
37 | ||
38 | Double_t CDFInvMassSignal(const Double_t *x, const Double_t *par); | |
39 | Double_t CDFInvMassBkg(const Double_t *x, const Double_t *par); | |
40 | Double_t CDFInvMassTotal(const Double_t *x, const Double_t *par); | |
41 | void SetInvMass(TH1F *mass) {fInvMass=mass;} | |
42 | void SetParameterToFixInInvMass(Bool_t fixed[kInvMassTotal]) {for(Int_t i=0; i<kInvMassTotal; i++) | |
43 | fParameterInvMassToFix[i]=fixed[i];} | |
44 | TH1F * FitInvMass(Double_t norm[2], Double_t mMin=0, Double_t mMax=0); | |
45 | TH1F * FitInvMassSignal( Double_t norm=1, Double_t mMin=0, Double_t mMax=0); | |
46 | ||
47 | ||
48 | // RESOLUTION FUNC | |
49 | // use SetResolutionConstants to set the parameters for FF, FS, SS | |
50 | enum {kPseudo=9, kPseudoBkg=7}; | |
51 | void SetPseudoProper(TH1F *hX) {if(fX)delete fX; fX=hX;} | |
52 | void GetPseudoProperParameters(TArrayD &xPar, Int_t type); | |
53 | Double_t CDFResolutionFunction(const Double_t *x, const Double_t *par); | |
54 | Double_t PsProperBackFitFunc(const Double_t* x, const Double_t* par); | |
55 | ||
56 | ||
57 | void SetParameterToFixInX(Bool_t fixed[kPseudo]) {for(Int_t i=0; i<kPseudo; i++) | |
58 | fParameterXToFix[i]=fixed[i];} | |
59 | void SetPseudoProperBkg(TH2F *hX2D) {fX2D=hX2D;} | |
60 | void SetPseudoProperBkgParameters(Double_t xBkgPar[kPseudoBkg]); | |
61 | void GetPseudoProperBkgParameters(TArrayD& bkgParam); | |
62 | void SetParameterToFixInXbkg(Bool_t fixed[kPseudoBkg]) {for(Int_t i=0; i<kPseudoBkg; i++) fParameterXbkgToFix[i]=fixed[i];} | |
63 | TH1F *FitResolutionFunction(Double_t xmin, Double_t xmax, Int_t type, Double_t norm=1); | |
64 | TH2F *FitBkgPsudoProper(Double_t xMin, Double_t xMax, Double_t norm); | |
65 | ||
66 | ||
67 | // GENERAL | |
68 | void SetFitOption(char *opt) {fFitOpt=opt;} | |
69 | void SetCrystalBallFunction(Bool_t isCB) {fFCN->SetCrystalBallFunction(isCB);} | |
70 | void PrintParamStatus() {fFCN->PrintStatus();} | |
71 | AliDielectronBtoJPSItoEleCDFfitFCN * GetFCN() {return fFCN;} | |
72 | ||
73 | protected : | |
74 | ||
75 | TH1F *fInvMass; // 1D inv mass distribution | |
76 | TH1F *fX; // 1D X distribution | |
77 | TH2F *fX2D; // 2D X distribution | |
78 | AliDielectronBtoJPSItoEleCDFfitFCN *fFCN; // fitter | |
79 | ||
80 | TString fFitOpt; // fit options | |
81 | Bool_t fParameterInvMassToFix[kInvMassTotal]; // booleans to fix single parameters | |
82 | Bool_t fParameterXToFix[kPseudo]; // booleans to fix single parameters | |
83 | Bool_t fParameterXbkgToFix[kPseudoBkg]; // booleans to fix single parameters | |
84 | ||
85 | AliDielectronBtoJPSItoEleCDFfitFCNfitter(const AliDielectronBtoJPSItoEleCDFfitFCNfitter& source); | |
86 | AliDielectronBtoJPSItoEleCDFfitFCNfitter& operator=(const AliDielectronBtoJPSItoEleCDFfitFCNfitter& source); | |
87 | ||
88 | ClassDef (AliDielectronBtoJPSItoEleCDFfitFCNfitter,1); | |
89 | }; | |
90 | ||
91 | #endif |