DUNE-FEM (unstable)

filter.hh
1#ifndef DUNE_FEM_GRIDPART_FILTER_FILTER_HH
2#define DUNE_FEM_GRIDPART_FILTER_FILTER_HH
3
4//- system includes
5#include <algorithm>
6#include <cassert>
7#include <vector>
8
9//- dune-common includes
11
12
13namespace Dune
14{
15
16 namespace Fem
17 {
18
19 // forward declarations
20 // --------------------
21
22 template< class > struct DefaultFilterTraits;
23 template< class > class FilterInterface;
24 template< class > class FilterDefaultImplementation;
25
26
27 // DefaultFilterTraits
28 // -------------------
29
31 template < class FilterImp >
33 {
35 typedef FilterImp FilterType;
36
38 template < int cd >
39 struct Codim
40 {
42 typedef typename FilterType::template Codim< cd >::EntityType EntityType;
43 };
44
47
48 }; // end DefaultFilterTraits
49
50
51
52 // FilterInterface
53 // ---------------
54
58 template< class FilterTraits >
60 {
62
63 friend class FilterDefaultImplementation< FilterTraits >;
64
65 typedef FilterTraits Traits;
66
67 public:
69 typedef typename Traits :: FilterType FilterType;
70
72 template< int cd >
73 struct Codim
74 {
75 typedef typename Traits::template Codim< cd >::EntityType EntityType;
76 };
77
80
81 private:
82 FilterInterface () = default;
83
84 FilterInterface ( const ThisType & ) = default;
85 FilterInterface ( ThisType && ) = default;
86
87 ThisType &operator= ( const ThisType & ) = default;
88 ThisType &operator= ( ThisType && ) = default;
89
90 public:
92 template< int cd >
93 bool contains ( const typename Codim< cd >::EntityType & entity ) const
94 {
95 CHECK_INTERFACE_IMPLEMENTATION( asImp().contains( entity ) );
96 return asImp().template contains< cd >( entity );
97 }
98
100 template< class Entity >
101 bool contains ( const Entity & entity ) const
102 {
103 enum { cc = Entity::codimension };
104 CHECK_INTERFACE_IMPLEMENTATION( asImp().contains< cc >( entity ) );
105 return asImp().template contains< cc >( entity );
106 }
107
109 // (allows boundarys within a given domain)
110 template< class Intersection >
111 bool interiorIntersection ( const Intersection &intersection ) const
112 {
113 return asImp().interiorIntersection( intersection );
114 }
115
117 template< class Intersection >
118 bool intersectionBoundary( const Intersection &intersection ) const
119 {
120 return asImp().intersectionBoundary( intersection );
121 }
122
124 template< class Intersection >
125 int intersectionBoundaryId ( const Intersection &intersection ) const
126 {
127 return asImp().intersectionBoundaryId( intersection );
128 }
129
131 template< class Intersection >
132 bool intersectionNeighbor ( const Intersection &intersection ) const
133 {
134 return asImp().intersectionNeighbor( intersection );
135 }
136
137 protected:
138 FilterType &asImp ()
139 {
140 return static_cast< FilterType & >( *this );
141 }
142
143 const FilterType &asImp () const
144 {
145 return static_cast< const FilterType & >( *this );
146 }
147 };
148
149
150 // FilterDefaultImplementation
151 // ---------------------------
152
153 template< class FilterTraits >
154 class FilterDefaultImplementation
155 : public FilterInterface< FilterTraits >
156 {
157 typedef FilterDefaultImplementation< FilterTraits > ThisType;
158 typedef FilterInterface< FilterTraits > BaseType;
159
160 public:
162 typedef typename BaseType::FilterType FilterType;
163
165 template< int cd >
166 struct Codim
167 {
169 typedef typename BaseType::template Codim< cd >::EntityType EntityType;
170 };
171
173 typedef typename BaseType::EntityType EntityType;
174
175 protected:
176 using BaseType::asImp;
177
178 FilterDefaultImplementation () = default;
179
180 FilterDefaultImplementation ( const ThisType & ) = default;
181 FilterDefaultImplementation ( ThisType && ) = default;
182
183 ThisType &operator= ( const ThisType & ) = default;
184 ThisType &operator= ( ThisType && ) = default;
185
186 public:
187 using BaseType::contains;
188
190 template< class Intersection >
191 bool interiorIntersection( const Intersection &intersection ) const
192 {
193 typedef typename Intersection::Entity EntityType;
194 const EntityType outside(intersection.outside());
195 return asImp().contains( outside );
196 }
197
199 template< int cd >
200 bool contains ( const typename Codim< cd >::EntityType & ) const;
201
203 template< class Intersection >
204 bool intersectionBoundary( const Intersection & ) const;
205
207 template< class Intersection >
208 int intersectionBoundaryId ( const Intersection & ) const;
209
211 template< class Intersection >
212 bool intersectionNeighbor ( const Intersection & ) const;
213 };
214
215 } // namespace Fem
216
217} // namespace Dune
218
219#endif // #ifndef DUNE_FEM_GRIDPART_FILTER_FILTER_HH
Provides check for implementation of interface methods when using static polymorphism,...
Wrapper class for entities.
Definition: entity.hh:66
static constexpr int codimension
Know your own codimension.
Definition: entity.hh:106
Interface class for filter to use with a Dune::FilteredGridPart.
Definition: filter.hh:60
Traits::FilterType FilterType
type of the filter implementation
Definition: filter.hh:69
Codim< 0 >::EntityType EntityType
type of entity with codim=0
Definition: filter.hh:79
bool intersectionNeighbor(const Intersection &intersection) const
returns true if for an intersection a neighbor exsits
Definition: filter.hh:132
bool contains(const Entity &entity) const
returns true if the given entity of the pointer in the domain
Definition: filter.hh:101
bool interiorIntersection(const Intersection &intersection) const
returns true if an intersection is interior
Definition: filter.hh:111
bool intersectionBoundary(const Intersection &intersection) const
returns true if an intersection is a boundary intersection
Definition: filter.hh:118
bool contains(const typename Codim< cd >::EntityType &entity) const
returns true if the given entity of the pointer in the domain
Definition: filter.hh:93
int intersectionBoundaryId(const Intersection &intersection) const
returns the boundary id for an intersection
Definition: filter.hh:125
Intersection of a mesh entity of codimension 0 ("element") with a "neighboring" element or with the d...
Definition: intersection.hh:164
Entity outside() const
return Entity on the outside of this intersection. That is the neighboring Entity.
Definition: intersection.hh:261
GridImp::template Codim< 0 >::Entity Entity
Type of entity that this Intersection belongs to.
Definition: intersection.hh:192
Dune namespace.
Definition: alignedallocator.hh:13
constexpr std::bool_constant<((II==value)||...)> contains(std::integer_sequence< T, II... >, std::integral_constant< T, value >)
Checks whether or not a given sequence contains a value.
Definition: integersequence.hh:137
Static tag representing a codimension.
Definition: dimension.hh:24
entity types
Definition: filter.hh:40
FilterType::template Codim< cd >::EntityType EntityType
entity type for given codimension
Definition: filter.hh:42
type definitions
Definition: filter.hh:33
Codim< 0 >::EntityType EntityType
entity type for codimension 0
Definition: filter.hh:46
FilterImp FilterType
filter type
Definition: filter.hh:35
entity types
Definition: filter.hh:167
BaseType::template Codim< cd >::EntityType EntityType
type of codim cd
Definition: filter.hh:169
entity types
Definition: filter.hh:74
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