BilinearInterpolation.h

// Copyright 2024, UChicago Argonne, LLC
// All Rights Reserved
// Software Name: NEML2 -- the New Engineering material Model Library, version 2
// By: Argonne National Laboratory
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#pragma once
 
#include "neml2/models/Interpolation.h"
#include "neml2/tensors/Scalar.h"
 
namespace neml2
{
template <typename T>
class BilinearInterpolation : public Interpolation<T>
{
public:
  static OptionSet expected_options();
 
  BilinearInterpolation(const OptionSet & options);
 
protected:
  void set_value(bool out, bool dout_din, bool d2out_din2) override;
 
  const Scalar & _X1;
  const Scalar & _X2;
 
  const Variable<Scalar> & _x1;
  const Variable<Scalar> & _x2;
};
} // namespace neml2