RtParabolicExtrapolation.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
#ifndef MuonCalib_RtParabolicExtrapolationH
#define MuonCalib_RtParabolicExtrapolationH
 
 
#include <MuonCalibMath/SamplePoint.h>
 
#include <vector>
 
namespace MuonCalib {
    class IRtRelation;
    class RtRelationLookUp;
 
    class RtParabolicExtrapolation {
    public:
        // Constructors //
        RtParabolicExtrapolation();
 
        // Methods //
        RtRelationLookUp getRtWithParabolicExtrapolation(const IRtRelation& in_rt, const double  r_min = 13.0,
                                                         const double  r_max = 14.0) const;
        RtRelationLookUp getRtWithParabolicExtrapolation(const IRtRelation& in_rt, const double  r_min, const double  r_max,
                                                         const double  r_ext, const std::vector<SamplePoint>& add_fit_points) const;
 
    private:
        double t_from_r(const double  r, const IRtRelation& in_rt) const;
        // get t(r) as defined in in_rt
        double get_max_t_at_r(const double  r, const IRtRelation& in_rt) const;
        // get the largest time of the r-t
        //  relationship in_rt corresponding to
        // the given radius r
    };
 
}  // namespace MuonCalib
 
#endif