Reference documentation for deal.II version Git 2449c74b32 2021-01-19 22:49:31 +0100
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fe_q_dg0.h
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2 //
3 // Copyright (C) 2012 - 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.
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14 // ---------------------------------------------------------------------
15 
16 
17 #ifndef dealii_fe_q_dg0_h
18 #define dealii_fe_q_dg0_h
19 
20 #include <deal.II/base/config.h>
21 
23 
24 #include <deal.II/fe/fe_q_base.h>
25 
27 
28 
31 
237 template <int dim, int spacedim = dim>
238 class FE_Q_DG0
239  : public FE_Q_Base<TensorProductPolynomialsConst<dim>, dim, spacedim>
240 {
241 public:
246  FE_Q_DG0(const unsigned int p);
247 
254  FE_Q_DG0(const Quadrature<1> &points);
255 
261  virtual std::string
262  get_name() const override;
263 
264  // documentation inherited from the base class
265  virtual void
267  const std::vector<Vector<double>> &support_point_values,
268  std::vector<double> & nodal_values) const override;
269 
279  virtual void
281  FullMatrix<double> &matrix) const override;
282 
283 
288  virtual bool
289  has_support_on_face(const unsigned int shape_index,
290  const unsigned int face_index) const override;
291 
298  virtual std::pair<Table<2, bool>, std::vector<unsigned int>>
299  get_constant_modes() const override;
300 
301  virtual std::unique_ptr<FiniteElement<dim, spacedim>>
302  clone() const override;
303 
309  const unsigned int codim = 0) const override final;
310 
311 private:
316  static std::vector<bool>
317  get_riaf_vector(const unsigned int degree);
318 
325  static std::vector<unsigned int>
326  get_dpo_vector(const unsigned int degree);
327 };
328 
329 
330 
335 
336 #endif
Contents is actually a matrix.
const unsigned int degree
Definition: fe_base.h:435
virtual std::pair< Table< 2, bool >, std::vector< unsigned int > > get_constant_modes() const override
Definition: fe_q_dg0.cc:278
virtual FiniteElementDomination::Domination compare_for_domination(const FiniteElement< dim, spacedim > &fe_other, const unsigned int codim=0) const override final
Definition: fe_q_dg0.cc:297
#define DEAL_II_NAMESPACE_CLOSE
Definition: config.h:380
static std::vector< bool > get_riaf_vector(const unsigned int degree)
Definition: fe_q_dg0.cc:237
FE_Q_DG0(const unsigned int p)
Definition: fe_q_dg0.cc:35
#define DEAL_II_NAMESPACE_OPEN
Definition: config.h:379
virtual std::unique_ptr< FiniteElement< dim, spacedim > > clone() const override
Definition: fe_q_dg0.cc:173
virtual bool has_support_on_face(const unsigned int shape_index, const unsigned int face_index) const override
Definition: fe_q_dg0.cc:262
virtual void get_interpolation_matrix(const FiniteElement< dim, spacedim > &source, FullMatrix< double > &matrix) const override
Definition: fe_q_dg0.cc:210
virtual std::string get_name() const override
Definition: fe_q_dg0.cc:94
virtual void convert_generalized_support_point_values_to_dof_values(const std::vector< Vector< double >> &support_point_values, std::vector< double > &nodal_values) const override
Definition: fe_q_dg0.cc:182
static std::vector< unsigned int > get_dpo_vector(const unsigned int degree)
Definition: fe_q_dg0.cc:248