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 TH1D;
  13
  14 // Description: Class to organise histograms for Flow
  15 //              by the LeeYangZeros method in the first run.
  16 //              Also includes methods to find the first minimum R0
  17 //              in the generating function.
  18
  19
  20 class AliFlowLYZHist1 {
  21
  22  public:
  23
  24   AliFlowLYZHist1(Int_t theta);               //constructor
  25   virtual  ~AliFlowLYZHist1();                //destructor
  26
  27   void Fill(Double_t f, TComplex c);          //fill the histograms
  28   TH1D* FillGtheta();                         //fills fHistGtheta
  29   Double_t GetR0();                           //get R0
  30   Double_t GetBinCenter(Int_t i);             //Get a bincentre of fHistGtheta
  31   Int_t GetNBins();                           //Gets Nbins
  32
  33 private:
  34
  35   AliFlowLYZHist1(const AliFlowLYZHist1& aAnalysis);             //copy constructor
  36   AliFlowLYZHist1& operator=(const AliFlowLYZHist1& aAnalysis);  //assignment operator
  37
  38   TH1D* fHistGtheta;                          //holds |Gtheta|^2(r)
  39   TProfile* fHistProReGtheta;                 //holds Re of Gtheta(r)
  40   TProfile* fHistProImGtheta;                 //holds Im of Gtheta(r)
  41
  42
  43   ClassDef(AliFlowLYZHist1,0)                 // macro for rootcint
  44     };
  45
  46
  47 #endif