PWGDQ/dielectron/AliDielectronBtoJPSItoEleCDFfitHandler.h

   1 #ifndef ALIDIELECTRONBTOJPSITOELECDFFITHANDLER_H\r
   2 #define ALIDIELECTRONBTOJPSITOELECDFFITHANDLER_H\r
   3 /* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *\r
   4  * See cxx source for full Copyright notice                               */\r
   5 \r
   6 //___________________________________________________________________________\r
   7 //                  Class AliDielectronBtoJPSItoEleCDFfitHandler\r
   8 //            Class to perform unbinned log-likelihood fit\r
   9 //      \r
  10 //                         Origin: C. Di Giglio\r
  11 //     Contact: Carmelo.Digiglio@ba.infn.it; Giuseppe.Bruno@ba.infn.it\r
  12 //____________________________________________________________________________\r
  13 \r
  14 #include <TNamed.h>\r
  15 #include <TBits.h>\r
  16 #include <TGraph.h>\r
  17 #include <TFitter.h>\r
  18 \r
  19 class AliDielectronBtoJPSItoEleCDFfitFCN ;\r
  20 \r
  21 class AliDielectronBtoJPSItoEleCDFfitHandler : public TNamed {\r
  22         public:\r
  23                 //\r
  24                 AliDielectronBtoJPSItoEleCDFfitHandler();\r
  25                 AliDielectronBtoJPSItoEleCDFfitHandler& operator= (const  AliDielectronBtoJPSItoEleCDFfitHandler& c);\r
  26                 AliDielectronBtoJPSItoEleCDFfitHandler(const AliDielectronBtoJPSItoEleCDFfitHandler& c);\r
  27                 AliDielectronBtoJPSItoEleCDFfitHandler(Double_t* decaytime, Double_t* invariantmass, Int_t *type, Int_t ncand);\r
  28                 ~AliDielectronBtoJPSItoEleCDFfitHandler(); \r
  29                 Double_t Up() const { return fUp; }\r
  30                 void SetErrorDef(Double_t up) {fUp = up;}\r
  31                 void SetPrintStatus(Bool_t okPrintStatus) { fPrintStatus = okPrintStatus; } \r
  32                 Bool_t GetPrintStatus() const { return fPrintStatus ; }\r
  33                 void SetParamStartValues (Double_t*);\r
  34                 Double_t* GetStartParamValues() { return fParamStartValues; }\r
  35                 TBits GetFixedParamList() const { return fIsParamFixed; }\r
  36                 TFitter *GetFitter() const {return fitter;}\r
  37                 Double_t GetParameter(Int_t numPar) const {return fitter->GetParameter(numPar);}\r
  38                 Double_t GetParameterError(Int_t numPar) const {return fitter->GetParError(numPar);}   \r
  39 \r
  40                 void FixParam(UInt_t param, Bool_t value) { fIsParamFixed.SetBitNumber(param,value); }\r
  41                 void FixAllParam(Bool_t value) { for(UInt_t par=0;par<45;par++) fIsParamFixed.SetBitNumber(par,value); }\r
  42                 Bool_t IsParamFixed(UInt_t param) { return fIsParamFixed.TestBitNumber(param); }\r
  43                 void SetResolutionConstants(Double_t* resolutionConst, Int_t type);\r
  44                 void SetCrystalBallFunction(Bool_t okCB);\r
  45                 void SetMassWndHigh(Double_t limit);\r
  46                 void SetMassWndLow(Double_t limit);\r
  47 \r
  48                 Double_t operator()(const Double_t* par) const ;\r
  49                 void CdfFCN(Int_t & /* npar */, Double_t * /* gin */, Double_t &f, Double_t *par, Int_t /* iflag */);\r
  50 \r
  51                 Double_t* Decaytime() const         { return fX; }\r
  52                 Double_t* InvariantMass() const     { return fM; }\r
  53                 Int_t*    TypeCand() const          { return fType;}\r
  54                 AliDielectronBtoJPSItoEleCDFfitFCN* LikelihoodPointer() const { return fLikely; }\r
  55                 Int_t DoMinimization(Int_t step = 0);\r
  56                 \r
  57 \r
  58         private:\r
  59                 //\r
  60                 TBits fIsParamFixed;                               //array of bits: 0 = param free; 1 = param fixed;\r
  61                 Bool_t fPrintStatus;                               //flag to enable the prit out of the algorithm at each step\r
  62                 Double_t fParamStartValues[45];                    //array of parameters input value\r
  63                 Double_t fUp;                                      //error definition \r
  64                 Double_t* fX;                                      //pseudo-proper decay time X\r
  65                 Double_t* fM;                                      //invariant mass M\r
  66                 Int_t* fType;                                      //candidate type\r
  67                 AliDielectronBtoJPSItoEleCDFfitFCN* fLikely;       //Log likelihood function\r
  68                 Int_t fNcand;                                      //number of candidates\r
  69                 TGraph* fContPlot1;                                //contour plot       \r
  70                 TGraph* fContPlot2;                                //contour plot       \r
  71                 TGraph* fContPlot3;                                //contour plot       \r
  72                 TFitter *fitter;                                   //pointer to TFitter object  \r
  73                 //\r
  74                 ClassDef(AliDielectronBtoJPSItoEleCDFfitHandler,1);\r
  75 \r
  76 }; \r
  77 #endif\r