LauDPDepCruijffPdf.hh

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/*
Copyright 2009 University of Warwick

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

/*
Laura++ package authors:
John Back
Paul Harrison
Thomas Latham
*/

#ifndef LAU_DPDEP_CRUIJFF_PDF
#define LAU_DPDEP_CRUIJFF_PDF

#include <vector>

#include "TString.h"

#include "LauAbsPdf.hh"

class LauDaughters;
class LauKinematics;
class LauParameter;


class LauDPDepCruijffPdf : public LauAbsPdf {

        public:
                enum DPAxis {
                        M12,            
                        M13,            
                        M23,            
                        CentreDist,     
                        MMIN,           
                        MMAX            
                };


                LauDPDepCruijffPdf(const TString& theVarName, const std::vector<LauAbsRValue*>& params,
                                Double_t minAbscissa, Double_t maxAbscissa,
                                const LauDaughters* daughters,
                                const std::vector<Double_t>& meanCoeffs,
                                const std::vector<Double_t>& sigmaLCoeffs,
                                const std::vector<Double_t>& sigmaRCoeffs,
                                const std::vector<Double_t>& alphaLCoeffs,
                                const std::vector<Double_t>& alphaRCoeffs,
                                DPAxis dpAxis);

                virtual ~LauDPDepCruijffPdf();


                virtual Bool_t isDPDependent() const {return kTRUE;}


                virtual void calcLikelihoodInfo(const LauAbscissas& abscissas);
                
                using LauAbsPdf::calcLikelihoodInfo;

                virtual void calcNorm();


                virtual void calcPDFHeight( const LauKinematics* kinematics );

        protected:

                void scalePars( Double_t dpPos );


                Double_t currentPDFValue(Double_t abscissa) const;


                virtual Double_t integrGaussLegendre();


                virtual Double_t integTrapezoid();

        private:
                LauDPDepCruijffPdf(const LauDPDepCruijffPdf& other);

                LauDPDepCruijffPdf& operator=(const LauDPDepCruijffPdf& other);

                const LauKinematics* kinematics_;

                LauAbsRValue* mean_;
                LauAbsRValue* sigmaL_;
                LauAbsRValue* sigmaR_;
                LauAbsRValue* alphaL_;
                LauAbsRValue* alphaR_;

                Double_t meanVal_;
                Double_t sigmaLVal_;
                Double_t sigmaRVal_;
                Double_t alphaLVal_;
                Double_t alphaRVal_;

                const std::vector<Double_t> meanCoeffs_;
                const std::vector<Double_t> sigmaLCoeffs_;
                const std::vector<Double_t> sigmaRCoeffs_;
                const std::vector<Double_t> alphaLCoeffs_;
                const std::vector<Double_t> alphaRCoeffs_;

                DPAxis dpAxis_;

                ClassDef(LauDPDepCruijffPdf,0) // Define the Cruijff PDF
};

#endif