LauSumPdf.hh

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// Copyright University of Warwick 2006 - 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_SUM_PDF
#define LAU_SUM_PDF

#include "Rtypes.h"

#include "LauAbsPdf.hh"

class LauParameter;


class LauSumPdf : public LauAbsPdf {

        public:

                LauSumPdf(LauAbsPdf* pdf1, LauAbsPdf* pdf2, LauParameter* frac1);

                virtual ~LauSumPdf();

                LauSumPdf(const LauSumPdf& other);


                UInt_t nInputVars() const {return pdf1_->nInputVars();}


                virtual Bool_t isDPDependent() const {return (pdf1_->isDPDependent() || pdf2_->isDPDependent());}


                virtual void cacheInfo(const LauFitDataTree& inputData);


                virtual void calcLikelihoodInfo(const LauAbscissas& abscissas);
                

                virtual void calcLikelihoodInfo(UInt_t iEvt);

                virtual void checkPositiveness();

                virtual void calcNorm();
                

                virtual void calcPDFHeight( const LauKinematics* kinematics );

        protected:

        private:
                LauAbsPdf* pdf1_;

                LauAbsPdf* pdf2_;

                LauParameter* frac_;

                ClassDef(LauSumPdf,0) // Define the sum PDF
};

#endif