Lau2DAbsHistDP.hh

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// Copyright University of Warwick 2004 - 2013.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

// Authors:
// Thomas Latham
// John Back
// Paul Harrison

#ifndef LAU_2DABSHIST_DP
#define LAU_2DABSHIST_DP

#include "Lau2DAbsDP.hh"

class TH2;
class LauDaughters;
class LauKinematics;

class Lau2DAbsHistDP : public Lau2DAbsDP {

        public:

                Lau2DAbsHistDP(const LauDaughters* daughters, Bool_t useUpperHalfOnly = kFALSE, Bool_t squareDP = kFALSE);

                //Lau2DAbsHistDP( const Lau2DAbsHistDP& rhs );

                virtual ~Lau2DAbsHistDP();


                virtual Double_t interpolateXY(Double_t x, Double_t y) const=0;

                /*
                    \return kTRUE if the square DP is being used, kFALSE otherwise
                */
                virtual Bool_t usingSquareDP() const { return squareDP_; };

        protected:

                void doBinFluctuation(TH2* hist);


                void doBinFluctuation(TH2* hist, const TH2* errorHi, const TH2* errorLo);


                void raiseOrLowerBins(TH2* hist, const Double_t avEff, const Double_t avEffError);


                Double_t computeAverageContents(const TH2* hist) const;


                Bool_t withinDPBoundaries(Double_t x, Double_t y) const;


                void getUpperHalf(Double_t& x, Double_t& y) const;

        private:
                Lau2DAbsHistDP( const Lau2DAbsHistDP& rhs );

                Lau2DAbsHistDP& operator=(const Lau2DAbsHistDP& rhs);

                const LauKinematics* kinematics_;
                
                Bool_t upperHalf_;

                Bool_t squareDP_;

                ClassDef(Lau2DAbsHistDP,0) // Abstract base class for 2D DP variations based on a histogram
};

#endif