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mapper.hh
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1// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file LICENSE.md in module root
2// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
3// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
4// vi: set et ts=4 sw=2 sts=2:
5#ifndef DUNE_GRID_COMMON_MAPPER_HH
6#define DUNE_GRID_COMMON_MAPPER_HH
7
8#include <utility>
9
11
89namespace Dune
90{
108 template <typename G, typename MapperImp, typename IndexType=int>
109 class Mapper
110 {
111 public:
112
114 using Index = IndexType;
115
121 template<class EntityType>
122 Index index (const EntityType& e) const
123 {
124 CHECK_INTERFACE_IMPLEMENTATION((asImp().map(e)));
125 return asImp().index(e);
126 }
127
128
136 Index subIndex (const typename G::Traits::template Codim<0>::Entity& e,
137 int i,
138 unsigned int codim) const
139 {
140 CHECK_INTERFACE_IMPLEMENTATION((asImp().map(e,i,codim)));
141 return asImp().subIndex(e,i,codim);
142 }
143
152 auto size () const
153 {
154 CHECK_INTERFACE_IMPLEMENTATION((asImp().size()));
155 return asImp().size();
156 }
157
158
166 template<class EntityType>
167 bool contains (const EntityType& e, IndexType& result) const
168 {
169 CHECK_INTERFACE_IMPLEMENTATION((asImp().contains(e,result )));
170 return asImp().contains(e,result );
171 }
172
173
183 bool contains (const typename G::Traits::template Codim<0>::Entity& e, int i, int cc, IndexType& result) const
184 {
185 CHECK_INTERFACE_IMPLEMENTATION((asImp().contains(e,i,cc,result)))
186 return asImp().contains(e,i,cc,result);
187 }
188
191 template <class GridView>
192 void update (GridView&& gridView)
193 {
194 CHECK_AND_CALL_INTERFACE_IMPLEMENTATION((asImp().update(std::forward<GridView>(gridView))));
195 }
196
197 private:
199 MapperImp& asImp () {return static_cast<MapperImp &> (*this);}
201 const MapperImp& asImp () const {return static_cast<const MapperImp &>(*this);}
202 };
203
206#undef CHECK_INTERFACE_IMPLEMENTATION
207#undef CHECK_AND_CALL_INTERFACE_IMPLEMENTATION
208
209}
210#endif
Provides check for implementation of interface methods when using static polymorphism,...
#define CHECK_AND_CALL_INTERFACE_IMPLEMENTATION(__interface_method_to_call__)
Definition: bartonnackmanifcheck.hh:61
Grid view abstract base class.
Definition: gridview.hh:66
Mapper interface.
Definition: mapper.hh:110
auto size() const
Return total number of entities in the entity set managed by the mapper.
Definition: mapper.hh:152
void update(GridView &&gridView)
Reinitialize mapper after grid has been modified.
Definition: mapper.hh:192
Index index(const EntityType &e) const
Map entity to array index.
Definition: mapper.hh:122
IndexType Index
Number type used for indices.
Definition: mapper.hh:114
Index subIndex(const typename G::Traits::template Codim< 0 >::Entity &e, int i, unsigned int codim) const
Map subentity i of codim cc of a codim 0 entity to array index.
Definition: mapper.hh:136
bool contains(const typename G::Traits::template Codim< 0 >::Entity &e, int i, int cc, IndexType &result) const
Returns true if the subentity is contained in the index set and at the same time the array index is r...
Definition: mapper.hh:183
bool contains(const EntityType &e, IndexType &result) const
Returns true if the entity is contained in the index set and at the same time the array index is retu...
Definition: mapper.hh:167
Dune namespace.
Definition: alignedallocator.hh:13
Static tag representing a codimension.
Definition: dimension.hh:24
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