polynomials_adini.h

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// ---------------------------------------------------------------------
//
// Copyright (C) 2009 - 2020 by the deal.II authors
//
// This file is part of the deal.II library.
//
// The deal.II library is free software; you can use it, redistribute
// it, and/or modify it under the terms of the GNU Lesser General
// Public License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// The full text of the license can be found in the file LICENSE.md at
// the top level directory of deal.II.
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// ---------------------------------------------------------------------
 
 
#ifndef dealii_polynomials_adini_h
#define dealii_polynomials_adini_h
 
#include <deal.II/base/config.h>
 
#include <deal.II/base/point.h>
#include <deal.II/base/scalar_polynomials_base.h>
#include <deal.II/base/table.h>
#include <deal.II/base/tensor.h>
 
DEAL_II_NAMESPACE_OPEN
 
template <int dim>
class PolynomialsAdini : public ScalarPolynomialsBase<dim>
{
public:
  PolynomialsAdini();
 
  void
  evaluate(const Point<dim> &           unit_point,
           std::vector<double> &        values,
           std::vector<Tensor<1, dim>> &grads,
           std::vector<Tensor<2, dim>> &grad_grads,
           std::vector<Tensor<3, dim>> &third_derivatives,
           std::vector<Tensor<4, dim>> &fourth_derivatives) const override;
 
  double
  compute_value(const unsigned int i, const Point<dim> &p) const;
 
  Tensor<1, dim>
  compute_grad(const unsigned int i, const Point<dim> &p) const;
 
  Tensor<2, dim>
  compute_grad_grad(const unsigned int i, const Point<dim> &p) const;
 
  std::string
  name() const override;
 
  virtual std::unique_ptr<ScalarPolynomialsBase<dim>>
  clone() const override;
 
private:
  Table<2, double> coef;
 
  Table<2, double> dx;
 
  Table<2, double> dy;
 
  Table<2, double> dxx;
 
  Table<2, double> dyy;
 
  Table<2, double> dxy;
};
 
 
 
template <int dim>
inline std::string
PolynomialsAdini<dim>::name() const
{
  return "PolynomialsAdini";
}
 
 
 
DEAL_II_NAMESPACE_CLOSE
 
#endif