Reference documentation for deal.II version Git fff2869c79 2020-01-20 12:00:24 -0500
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polynomials_p.h
1 // ---------------------------------------------------------------------
2 //
3 // Copyright (C) 2004 - 2018 by the deal.II authors
4 //
5 // This file is part of the deal.II library.
6 //
7 // The deal.II library is free software; you can use it, redistribute
8 // it, and/or modify it under the terms of the GNU Lesser General
9 // Public License as published by the Free Software Foundation; either
10 // version 2.1 of the License, or (at your option) any later version.
11 // The full text of the license can be found in the file LICENSE.md at
12 // the top level directory of deal.II.
13 //
14 // ---------------------------------------------------------------------
15 
16 #ifndef dealii_polynomials_P_h
17 #define dealii_polynomials_P_h
18 
19 
20 #include <deal.II/base/config.h>
21 
22 #include <deal.II/base/exceptions.h>
23 #include <deal.II/base/point.h>
24 #include <deal.II/base/polynomial.h>
25 #include <deal.II/base/polynomial_space.h>
26 #include <deal.II/base/tensor.h>
27 
28 #include <vector>
29 
30 DEAL_II_NAMESPACE_OPEN
47 template <int dim>
48 class PolynomialsP : public PolynomialSpace<dim>
49 {
50 public:
55  static const unsigned int dimension = dim;
56 
61  PolynomialsP(const unsigned int p);
62 
69  unsigned int
70  degree() const;
71 
78  std::array<unsigned int, dim>
79  directional_degrees(unsigned int n) const;
80 
81 private:
85  void
86  create_polynomial_ordering(std::vector<unsigned int> &index_map) const;
87 
92  const unsigned int p;
93 };
94 
97 template <int dim>
98 inline unsigned int
100 {
101  return p;
102 }
103 
104 
105 template <int dim>
106 inline std::array<unsigned int, dim>
108 {
109  return this->compute_index(n);
110 }
111 
112 DEAL_II_NAMESPACE_CLOSE
113 
114 #endif
void create_polynomial_ordering(std::vector< unsigned int > &index_map) const
std::array< unsigned int, dim > directional_degrees(unsigned int n) const
std::array< unsigned int, dim > compute_index(const unsigned int n) const
static const unsigned int dimension
Definition: polynomials_p.h:55
const unsigned int p
Definition: polynomials_p.h:92
std::vector< unsigned int > index_map
unsigned int degree() const
Definition: polynomials_p.h:99
PolynomialsP(const unsigned int p)