LauSumPdf.hh

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/*
Copyright 2006 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_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();


                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 calcNorm();
                

                virtual void calcPDFHeight( const LauKinematics* kinematics );

        protected:

        private:
                LauSumPdf(const LauSumPdf& rhs);

                LauSumPdf& operator=(const LauSumPdf& rhs);

                LauAbsPdf* pdf1_;

                LauAbsPdf* pdf2_;

                LauAbsRValue* frac_;

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

#endif