NearestPointSurrogate.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 "SurrogateModel.h"

class NearestPointSurrogate : public SurrogateModel
{
public:
  static InputParameters validParams();
  NearestPointSurrogate(const InputParameters & parameters);
  using SurrogateModel::evaluate;
  virtual Real evaluate(const std::vector<Real> & x) const override;
  virtual void evaluate(const std::vector<Real> & x, std::vector<Real> & y) const override;

protected:
  const std::vector<std::vector<Real>> & _sample_points;

  const std::vector<std::vector<Real>> & _sample_results;

private:
  unsigned int findNearestPoint(const std::vector<Real> & x) const;
};