#ifndef ALIANALYSISCENTRALEXTRAPOLATE_H
#define ALIANALYSISCENTRALEXTRAPOLATE_H


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

//  -------------------------------------------------------
//  pt spectra extrapolation in the 0. - 0.2 region using
//  Boltzmann-Gibbs Blast Wave model or Tsallis Blast
//  Wave model for azimuthal isotropic  expansion in
//  highly central collisions analysis
//  author: Cristian Andrei
//          acristian@niham.nipne.ro
//  ----------------------------------------------------------


#include "TObject.h"

class TList;
class TString;

class AliAnalysisCentralExtrapolate : public TObject {
	
public:
	AliAnalysisCentralExtrapolate(const char *name="AliAnalysisCentralExtrapolate");
	virtual ~AliAnalysisCentralExtrapolate();
	
	void SetInputList(TList* const list) {fInputList = list;} //get the input from the task

	void SetParticle(TString part) {fPartType = part;} //set the particle type to be processed
                                                       //suported: kPi*, kK* and kProton

	void ApplyEff(); //apply the eff correction

	void TsallisFit();  //fit the corrected spectrum with TBW model
	void BoltzmannFit(); //fit the corrected spectrum with BGBW model

	TList *GetOutputList() const {return fResultsList;} //return the results

private:
	AliAnalysisCentralExtrapolate(const AliAnalysisCentralExtrapolate& ref);
	AliAnalysisCentralExtrapolate& operator=(const AliAnalysisCentralExtrapolate& ref);

	TString fPartType; //can be kPi*, kK* or kProton

	TList *fInputList; //the input list = the output of the analysis Task

	TList *fResultsList; //List containing the results: corrected, normalized and extrapolated spectra

	ClassDef(AliAnalysisCentralExtrapolate, 1); 
};

#endif