FFBtoDISGW2.hh

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///
/// @file  FFBtoDISGW2.hh
/// @brief \f$ B \rightarrow D \f$ ISGW2 form factors
/// @brief Ported directly from EvtGen
///

//**** This file is a part of the HAMMER library
//**** Copyright (C) 2016 - 2020 The HAMMER Collaboration
//**** HAMMER is licensed under version 3 of the GPL; see COPYING for details
//**** Please note the MCnet academic guidelines; see GUIDELINES for details

// -*- C++ -*-
#ifndef HAMMER_FF_BDISGW2
#define HAMMER_FF_BDISGW2

#include "Hammer/FormFactors/FFISGW2Base.hh"

namespace Hammer {

    class FFBtoDISGW2 : public FFISGW2Base {

    public:
        FFBtoDISGW2();

        FFBtoDISGW2(const FFBtoDISGW2& other) = default;
        FFBtoDISGW2& operator=(const FFBtoDISGW2& other) = delete;
        FFBtoDISGW2(FFBtoDISGW2&& other) = delete;
        FFBtoDISGW2& operator=(FFBtoDISGW2&& other) = delete;
        virtual ~FFBtoDISGW2() = default;

    public:

        virtual std::unique_ptr<FormFactorBase> clone(const std::string& label);

    protected:
        virtual void evalAtPSPoint(const std::vector<double>& point, const std::vector<double>& masses = {});

        virtual void defineSettings();
    private:
        mutable bool initialized;
    };

} // namespace Hammer

#endif