FFBtoDBLPRVar.hh

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///
/// @file  FFBtoDBLPRVar.hh
/// @brief \f$ B \rightarrow D \f$ BLPRVar form factors with variations
///

//**** 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_BDBLPRVAR
#define HAMMER_FF_BDBLPRVAR

#include "Hammer/FormFactors/FFBLPRBase.hh"

namespace Hammer {

    class FFBtoDBLPRVar : public FFBLPRBase {

    public:
        FFBtoDBLPRVar();

        FFBtoDBLPRVar(const FFBtoDBLPRVar& other) = default;
        FFBtoDBLPRVar& operator=(const FFBtoDBLPRVar& other) = delete;
        FFBtoDBLPRVar(FFBtoDBLPRVar&& other) = delete;
        FFBtoDBLPRVar& operator=(FFBtoDBLPRVar&& other) = delete;
        virtual ~FFBtoDBLPRVar() = 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;
        mutable bool initCs = false;
        mutable double Cv1z;
        mutable double Cv2z;
        mutable double Cv3z;
        mutable double Cv1zp;
        mutable double Cv2zp;
        mutable double Cv3zp;
        mutable double Cv1zpp;
        mutable double Cv2zpp;
        mutable double Cv3zpp;
    };

} // namespace Hammer

#endif