LDFFinderKG/VLDF.h

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#ifndef _LDFFinderKG_VLDF_h_
#define _LDFFinderKG_VLDF_h_

#include <vector>


namespace LDFFinderKG {

  class LDF;

  class VLDF {

  public:
    VLDF(const double refDistance, const unsigned int shapeSize, const unsigned int betaSize) :
      fReferenceDistance(refDistance),
      fShapeModelVector(shapeSize),
      fBetaUncertaintyModelVector(betaSize)
    { }

    virtual ~VLDF() { }

    virtual double Value(const double r, const std::vector<double>& shape) const = 0;
    virtual double SecondDerivative(const double r, const std::vector<double>& shape) const = 0;
    virtual std::vector<double> ShapeModel(const double cosTheta, double showerSize) const = 0;
    virtual double BetaUncertainty(const double showerSize) const = 0;
    virtual unsigned int GetNShapeParameters() const = 0;

  protected:
    const double fReferenceDistance;
    std::vector<double> fShapeModelVector;
    std::vector<double> fBetaUncertaintyModelVector;

    friend class LDF;

  };

}


#endif