/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */


#ifndef AliFlowAnalysisWithMCEventPlane_H
#define AliFlowAnalysisWithMCEventPlane_H

#include "TVector2.h"          //called explicitly
#include "AliFlowVector.h"
#include "TString.h"

class AliFlowTrackSimple;
class AliFlowEventSimple;
class AliFlowCommonHist;
class AliFlowCommonHistResults;

class TH1F;
class TH1D;
class TProfile;
class TProfile2D;
class TObjArray;
class TFile;
class TList;
class TComplex;
class Riostream;


// Description: Maker to analyze Flow from the generated MC reaction plane.
//              This class is used to get the real value of the flow 
//              to compare the other methods to when analysing simulated events.

 
class AliFlowAnalysisWithMCEventPlane {

 public:
 
   AliFlowAnalysisWithMCEventPlane();            //default constructor
   virtual  ~AliFlowAnalysisWithMCEventPlane();  //destructor
 
   void    Init();                             //defines variables and histograms
   void    Make(AliFlowEventSimple* anEvent, Double_t aRP);   //calculates variables and fills histograms
   void    Finish();                           //saves histograms
  
   void      SetDebug(Bool_t kt)                 { this->fDebug = kt ; }
   Bool_t    GetDebug() const                    { return this->fDebug ; }


   // Output 
   TList*   GetHistList() const                  { return this->fHistList ; }  
  
   
 private:
 
   AliFlowAnalysisWithMCEventPlane(const AliFlowAnalysisWithMCEventPlane& aAnalysis);             //copy constructor
   AliFlowAnalysisWithMCEventPlane& operator=(const AliFlowAnalysisWithMCEventPlane& aAnalysis);  //assignment operator 

      
#ifndef __CINT__
   TVector2*    fQsum;              // flow vector sum
   Double_t     fQ2sum;             // flow vector sum squared
#endif /*__CINT__*/

   Int_t        fEventNumber;       // event counter
   Bool_t       fDebug ;            //! flag for lyz analysis: more print statements

   TList*       fHistList;          //list to hold all output histograms  
    
   AliFlowCommonHist* fCommonHists;              //
   AliFlowCommonHistResults* fCommonHistsRes;    //

   TProfile*    fHistProFlow;       //
   TH1F*        fHistRP;            //

   ClassDef(AliFlowAnalysisWithMCEventPlane,0)  // macro for rootcint
     };
 
     
#endif