PWG2/FLOW/AliFlowLYZHist1.h

   1 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   2  * See cxx source for full Copyright notice                               */
   3
   4 /* $Id$ */
   5
   6 #ifndef AliFlowLYZHist1_H
   7 #define AliFlowLYZHist1_H
   8
   9
  10 #include "TComplex.h"  //explicitly called in void Fill(Float_t f, TComplex C);
  11
  12 class TProfile;
  13 class TH1D;
  14
  15 // Description: Class to organise histograms for Flow
  16 //              by the LeeYangZeros method in the first run.
  17 //              Also includes methods to find the first minimum R0
  18 //              in the generating function.
  19
  20
  21 class AliFlowLYZHist1 {
  22
  23  public:
  24
  25   AliFlowLYZHist1(Int_t i1, Int_t i2);        //constructor
  26   AliFlowLYZHist1(const AliFlowLYZHist1&);    //copy constructor (dummy)
  27   virtual  ~AliFlowLYZHist1();                //destructor
  28
  29   AliFlowLYZHist1& operator=(const AliFlowLYZHist1&); //assignment operator (dummy)
  30
  31   void Fill(Float_t f, TComplex C);           //fill the histograms
  32   TH1D* FillGtheta();                         //fills fHistGtheta
  33   Float_t GetR0();                            //get R0
  34   Float_t GetBinCenter(Int_t i);              //Get a bincentre of fHistGtheta
  35   Int_t GetNBins();                           //Gets fNbins
  36
  37   //void Save();                              //save the histograms
  38
  39
  40 private:
  41
  42   TH1D* fHistGtheta;                          //!
  43   TProfile* fHistProReGtheta;                 //!
  44   TProfile* fHistProImGtheta;                 //!
  45
  46
  47   ClassDef(AliFlowLYZHist1,0)                 // macro for rootcint
  48     };
  49
  50
  51 #endif
  52