Reference documentation for deal.II version 9.5.0
\(\newcommand{\dealvcentcolon}{\mathrel{\mathop{:}}}\) \(\newcommand{\dealcoloneq}{\dealvcentcolon\mathrel{\mkern-1.2mu}=}\) \(\newcommand{\jump}[1]{\left[\!\left[ #1 \right]\!\right]}\) \(\newcommand{\average}[1]{\left\{\!\left\{ #1 \right\}\!\right\}}\)
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fe_q_dg0.h
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1// ---------------------------------------------------------------------
2//
3// Copyright (C) 2012 - 2023 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
17#ifndef dealii_fe_q_dg0_h
18#define dealii_fe_q_dg0_h
19
20#include <deal.II/base/config.h>
21
23
25
27
28
237template <int dim, int spacedim = dim>
238class FE_Q_DG0 : public FE_Q_Base<dim, spacedim>
239{
240public:
245 FE_Q_DG0(const unsigned int p);
246
253 FE_Q_DG0(const Quadrature<1> &points);
254
260 virtual std::string
261 get_name() const override;
262
263 // documentation inherited from the base class
264 virtual void
266 const std::vector<Vector<double>> &support_point_values,
267 std::vector<double> & nodal_values) const override;
268
278 virtual void
280 FullMatrix<double> &matrix) const override;
281
282
287 virtual bool
288 has_support_on_face(const unsigned int shape_index,
289 const unsigned int face_index) const override;
290
297 virtual std::pair<Table<2, bool>, std::vector<unsigned int>>
298 get_constant_modes() const override;
299
300 virtual std::unique_ptr<FiniteElement<dim, spacedim>>
301 clone() const override;
302
308 const unsigned int codim = 0) const override final;
309
310private:
315 static std::vector<bool>
316 get_riaf_vector(const unsigned int degree);
317
324 static std::vector<unsigned int>
325 get_dpo_vector(const unsigned int degree);
326};
327
328
329
334
335#endif
virtual void get_interpolation_matrix(const FiniteElement< dim, spacedim > &source, FullMatrix< double > &matrix) const override
Definition fe_q_dg0.cc:209
virtual std::unique_ptr< FiniteElement< dim, spacedim > > clone() const override
Definition fe_q_dg0.cc:172
virtual std::pair< Table< 2, bool >, std::vector< unsigned int > > get_constant_modes() const override
Definition fe_q_dg0.cc:277
virtual std::string get_name() const override
Definition fe_q_dg0.cc:93
static std::vector< bool > get_riaf_vector(const unsigned int degree)
Definition fe_q_dg0.cc:236
virtual bool has_support_on_face(const unsigned int shape_index, const unsigned int face_index) const override
Definition fe_q_dg0.cc:261
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:181
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:296
static std::vector< unsigned int > get_dpo_vector(const unsigned int degree)
Definition fe_q_dg0.cc:247
const unsigned int degree
Definition fe_data.h:453
#define DEAL_II_NAMESPACE_OPEN
Definition config.h:472
#define DEAL_II_NAMESPACE_CLOSE
Definition config.h:473