LogBicubicInterpolator.h

// -*- C++ -*-
//
// This file is part of LHAPDF
// Copyright (C) 2012-2024 The LHAPDF collaboration (see AUTHORS for details)
//
#pragma once
#ifndef LHAPDF_LogBicubicInterpolator_H
#define LHAPDF_LogBicubicInterpolator_H
 
#include "LHAPDF/Interpolator.h"
 
namespace LHAPDF {
 
 
  /// @brief Implementation of bicubic interpolation
  ///
  /// This class will interpolate in 2D using a bicubic hermite spline.
  class LogBicubicInterpolator : public Interpolator {
 
  public:
    LogBicubicInterpolator(){ setType("logcubic"); }
 
    /// Implementation of (x,Q2) interpolation
    double _interpolateXQ2(const KnotArray& subgrid, double x, size_t ix, double q2, size_t iq2, int id) const;
 
    void _interpolateXQ2(const KnotArray& subgrid, double x, size_t ix, double q2, size_t iq2, std::vector<double>& ret) const;
 
 
  };
 
}
 
#endif