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

/* $Id$ */


#ifndef AliFlowAnalysisWithScalarProduct_H
#define AliFlowAnalysisWithScalarProduct_H

#include "TString.h"

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

class TProfile;
class TList;
class TFile;
class Riostream;


// Description: Maker to analyze Flow from the Scalar Product method.
//               
// author: N. van der Kolk (kolk@nikhef.nl)              

 
class AliFlowAnalysisWithScalarProduct {

 public:
 
   AliFlowAnalysisWithScalarProduct();            //default constructor
 
   virtual  ~AliFlowAnalysisWithScalarProduct();  //destructor
 
   void    Init();                                   //defines variables and histograms
   void    Make(AliFlowEventSimple* anEvent);        //calculates variables and fills histograms
   void    Finish();                                 //saves histograms
   void    WriteHistograms(TString* outputFileName); //writes histograms locally
   void    WriteHistograms(TString outputFileName); //writes histograms locally

   void      SetDebug(Bool_t kt)            { this->fDebug = kt ; }
   Bool_t    GetDebug() const               { return this->fDebug ; }

   // Output 
   TList*   GetHistList() const             { return this->fHistList ; }     // Gets output histogram list
  
   
 private:
   AliFlowAnalysisWithScalarProduct(const AliFlowAnalysisWithScalarProduct& anAnalysis);            //copy constructor
   AliFlowAnalysisWithScalarProduct& operator=(const AliFlowAnalysisWithScalarProduct& anAnalysis); //assignment operator 
      
   Int_t              fEventNumber;  // event counter
   Bool_t             fDebug ;       // flag for analysis: more print statements

   TList*             fHistList;     //list to hold all output histograms  
   TProfile*          fHistProUQ;    //uQ(pt)
   AliFlowCommonHist* fCommonHists;  //control histograms

   ClassDef(AliFlowAnalysisWithScalarProduct,0)  // macro for rootcint
     };
 

#endif