polynomials_p.h

// ---------------------------------------------------------------------
//
// Copyright (C) 2004 - 2017 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 at
// the top level of the deal.II distribution.
//
// ---------------------------------------------------------------------

#ifndef dealii_polynomials_P_h
#define dealii_polynomials_P_h


#include <deal.II/base/config.h>
#include <deal.II/base/exceptions.h>
#include <deal.II/base/tensor.h>
#include <deal.II/base/point.h>
#include <deal.II/base/polynomial.h>
#include <deal.II/base/polynomial_space.h>
#include <deal.II/base/table.h>

#include <vector>

DEAL_II_NAMESPACE_OPEN
template <int dim>
class PolynomialsP: public PolynomialSpace<dim>
{
public:
  static const unsigned int dimension = dim;

  PolynomialsP (const unsigned int p);

  unsigned int degree() const;

  void directional_degrees(unsigned int n,
                           unsigned int (&degrees)[dim]) const;

private:

  void create_polynomial_ordering(std::vector<unsigned int> &index_map) const;

  const unsigned int p;
};

template <int dim>
inline unsigned int
PolynomialsP<dim>::degree() const
{
  return p;
}


template <int dim>
inline void
PolynomialsP<dim>::directional_degrees(unsigned int n,
                                       unsigned int (&degrees)[dim]) const
{
  this->compute_index(n,degrees);
}

DEAL_II_NAMESPACE_CLOSE

#endif