#ifndef PAIRANALYSISSIGNALFIT_H
#define PAIRANALYSISSIGNALFIT_H

//#############################################################
//#                                                           #
//#         Class PairAnalysisSignalFit                      #
//#                                                           #
//#  Authors:                                                 #
//#   Julian    Book,     Uni Ffm / Julian.Book@cern.ch       #
//#                                                           #
//#############################################################

#include <TVectorT.h>
#include <TString.h>
#include <TH1F.h>

#include "PairAnalysisSignalExt.h"
#include "PairAnalysisFunction.h"

class PairAnalysisSignalFit : public PairAnalysisSignalExt  {
public:
  PairAnalysisSignalFit();
  PairAnalysisSignalFit(const char*name, const char* title);
  PairAnalysisSignalFit(const PairAnalysisSignalFit &c);
  PairAnalysisSignalFit &operator=(const PairAnalysisSignalFit &c);

  virtual ~PairAnalysisSignalFit();

  virtual void Process(TObjArray * const arrhist);
  void ProcessFit(  TObjArray * const arrhist);       // fit the SE +- distribution
  void ProcessFitLS(TObjArray * const arrhist);       // substract the fitted SE like-sign background
  void ProcessFitEM(TObjArray * const arrhist);       // substract the fitted ME like-sign background


  virtual void Draw(const Option_t* option = "");
  virtual void Print(Option_t *option="") const;


protected:

  ClassDef(PairAnalysisSignalFit,1)         // class for signal extraction using a combined bgrd+signal fit
};

#endif