SplineInterpolation.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
#include "SplineInterpolationBase.h"
#include <string>
 
class SplineInterpolation : public SplineInterpolationBase
{
public:
  SplineInterpolation();
  SplineInterpolation(const std::vector<Real> & x,
                      const std::vector<Real> & y,
                      Real yp1 = _deriv_bound,
                      Real ypn = _deriv_bound);
 
  virtual ~SplineInterpolation() = default;
 
  void setData(const std::vector<Real> & x,
               const std::vector<Real> & y,
               Real yp1 = _deriv_bound,
               Real ypn = _deriv_bound);
 
  void errorCheck();
 
  Real sample(Real x) const;
  ADReal sample(const ADReal & x) const;
 
  Real sampleDerivative(Real x) const;
 
  Real sample2ndDerivative(Real x) const;
 
  unsigned int getSampleSize();
 
  Real domain(int i) const;
  Real range(int i) const;
 
protected:
  std::vector<Real> _x;
  std::vector<Real> _y;
  Real _yp1, _ypn;
  std::vector<Real> _y2;
 
  void solve();
 
  static int _file_number;
};