3#ifndef DUNE_SIZECACHE_HH
4#define DUNE_SIZECACHE_HH
14#include <dune/geometry/referenceelements.hh>
16#include <dune/grid/common/gridenums.hh>
28 template <
class Gr
idImp>
33 enum { dim = GridImp::dimension };
36 enum { nCodim = GridImp::dimension+1 };
39 typedef GridImp GridType;
42 typedef typename GridType :: ctype ctype ;
45 mutable std::vector< int > levelSizes_[nCodim];
48 mutable std::vector< std::vector< int > > levelTypeSizes_[nCodim];
51 mutable int leafSizes_[nCodim];
54 mutable std::vector< int > leafTypeSizes_[nCodim];
57 const GridType & grid_;
60 template <
int codim,
bool gr
idHasCodim >
61 struct CountLevelEntitiesBase
63 template <
class SzCacheType >
64 static void apply(
const SzCacheType & sc,
int level,
int cd)
68 sc.template countLevelEntities<All_Partition,codim> (level);
73 template <
int codim >
74 struct CountLevelEntitiesBase< codim, false >
76 template <
class SzCacheType >
77 static void apply(
const SzCacheType & sc,
int level,
int cd)
81 sc.template countLevelEntitiesNoCodim<All_Partition,codim> (level);
86 template <
int codim >
87 struct CountLevelEntities
88 :
public CountLevelEntitiesBase< codim, Capabilities :: hasEntity< GridType, codim > :: v >
92 template <
int codim,
bool gr
idHasCodim >
93 struct CountLeafEntitiesBase
95 template <
class SzCacheType>
96 static void apply(
const SzCacheType & sc,
int cd)
100 sc.template countLeafEntities<All_Partition,codim> ();
106 template <
int codim >
107 struct CountLeafEntitiesBase< codim, false >
109 template <
class SzCacheType>
110 static void apply(
const SzCacheType & sc,
int cd)
114 sc.template countLeafEntitiesNoCodim<All_Partition,codim> ();
119 template <
int codim >
120 struct CountLeafEntities
121 :
public CountLeafEntitiesBase< codim, Capabilities :: hasEntity< GridType, codim > :: v >
126 return type.
id() >> 1 ;
129 int sizeCodim(
const int codim )
const
131 const int mydim = GridType :: dimension - codim;
132 return ((1 << mydim) + 1) / 2;
147 for(
int codim=0; codim<nCodim; ++codim)
149 leafSizes_[ codim ] = -1;
150 leafTypeSizes_[ codim ].resize( sizeCodim( codim ), -1 );
153 const int numMxl = grid_.maxLevel()+1;
154 for(
int codim=0; codim<nCodim; ++codim)
156 std::vector<int> & vec = levelSizes_[codim];
158 levelTypeSizes_[codim].resize( numMxl );
159 for(
int level = 0; level<numMxl; ++level)
162 levelTypeSizes_[codim][level].resize( sizeCodim( codim ), -1 );
171 int size (
int level,
int codim)
const
173 assert( codim >= 0 );
174 assert( codim < nCodim );
175 assert( level >= 0 );
176 if( level >= (
int) levelSizes_[codim].
size() )
return 0;
178 if( levelSizes_[codim][level] < 0)
183 assert( levelSizes_[codim][level] >= 0 );
184 return levelSizes_[codim][level];
190 const int codim = GridType ::dimension - type.
dim();
191 if( levelSizes_[codim][level] < 0)
194 assert( levelTypeSizes_[codim][level][gtIndex( type )] >= 0 );
195 return levelTypeSizes_[codim][level][gtIndex( type )];
204 assert( codim >= 0 );
205 assert( codim < nCodim );
206 if( leafSizes_[codim] < 0 )
209 assert( leafSizes_[codim] >= 0 );
210 return leafSizes_[codim];
216 const int codim = GridType :: dimension - type.
dim();
217 if( leafSizes_[codim] < 0 )
220 assert( leafTypeSizes_[codim][ gtIndex( type )] >= 0 );
221 return leafTypeSizes_[codim][ gtIndex( type )];
225 template <PartitionIteratorType pitype,
int codim>
226 void countLevelEntities(
int level)
const
228 typedef typename GridType :: LevelGridView
GridView ;
229 typedef typename GridView :: template
Codim< codim > :: template Partition<pitype> :: Iterator Iterator ;
230 GridView gridView = grid_.levelGridView( level );
231 Iterator it = gridView.template begin<codim,pitype> ();
232 Iterator end = gridView.template end<codim,pitype> ();
233 levelSizes_[codim][level] = countElements(it,end, levelTypeSizes_[codim][level]);
236 template <PartitionIteratorType pitype,
int codim>
237 void countLeafEntities()
const
240 typedef typename GridType :: LeafGridView GridView ;
241 typedef typename GridView :: template Codim< codim > :: template Partition<pitype> :: Iterator Iterator ;
242 GridView gridView = grid_.leafGridView();
243 Iterator it = gridView.template begin<codim,pitype> ();
244 Iterator end = gridView.template end<codim,pitype> ();
245 leafSizes_[codim] = countElements(it,end, leafTypeSizes_[codim] );
249 template <
class IteratorType>
250 int countElements(IteratorType & it,
const IteratorType & end, std::vector<int>& typeSizes)
const
253 const size_t types = typeSizes.size();
254 for(
size_t i=0; i<types; ++i) typeSizes[i] = 0;
255 for( ; it != end; ++it )
258 ++typeSizes[ gtIndex( type ) ];
263 for(
size_t i=0; i<types; ++i) sumtypes += typeSizes[i];
265 assert( overall == sumtypes );
269 template <PartitionIteratorType pitype,
int codim>
270 void countLevelEntitiesNoCodim(
int level)
const
272 typedef typename GridType :: LevelGridView GridView ;
273 typedef typename GridView :: template
Codim< 0 > :: template Partition<pitype> :: Iterator Iterator ;
274 GridView gridView = grid_.levelGridView( level );
275 Iterator it = gridView.template begin< 0, pitype> ();
276 Iterator end = gridView.template end< 0, pitype> ();
277 levelSizes_[codim][level] = countElementsNoCodim< codim >(it,end, levelTypeSizes_[codim][level]);
280 template <PartitionIteratorType pitype,
int codim>
281 void countLeafEntitiesNoCodim()
const
284 typedef typename GridType :: LeafGridView GridView ;
285 typedef typename GridView :: template
Codim< 0 > :: template Partition<pitype> :: Iterator Iterator ;
286 GridView gridView = grid_.leafGridView();
287 Iterator it = gridView.template begin< 0, pitype > ();
288 Iterator end = gridView.template end< 0, pitype > ();
289 leafSizes_[codim] = countElementsNoCodim< codim >(it,end, leafTypeSizes_[codim] );
293 template <
int codim,
class IteratorType >
294 int countElementsNoCodim(IteratorType & it,
const IteratorType & end, std::vector<int>& typeSizes)
const
296 typedef typename GridType :: LocalIdSet LocalIdSet ;
297 typedef typename LocalIdSet :: IdType IdType ;
299 typedef ReferenceElement< ctype, dim > ReferenceElementType;
300 typedef ReferenceElements< ctype, dim > ReferenceElementContainerType;
302 typedef std::set< IdType > CodimIdSetType ;
304 typedef typename IteratorType :: Entity ElementType ;
307 const LocalIdSet& idSet = grid_.localIdSet();
309 const size_t types = typeSizes.size();
310 for(
size_t i=0; i<types; ++i) typeSizes[ i ] = 0;
312 std::vector< CodimIdSetType > typeCount( types );
315 for( ; it != end; ++it )
318 const ElementType& element = *it ;
320 const ReferenceElementType& refElem =
321 ReferenceElementContainerType :: general( element.type() );
324 const int count = element.subEntities( codim );
325 for(
int i=0; i< count; ++ i )
330 const IdType
id = idSet.subId( element, i, codim );
332 typeCount[ gtIndex( geomType ) ].insert(
id );
338 for(
size_t i=0; i<types; ++i)
340 typeSizes[ i ] = typeCount[ i ].size();
341 overall += typeSizes[ i ];
349 template <
class Gr
idImp>
A static loop using TMP.
Definition: forloop.hh:110
Unique label for each type of entities that can occur in DUNE grids.
Definition: type.hh:25
unsigned int dim() const
Return dimension of the type.
Definition: type.hh:321
unsigned int id() const
Return the topology id the type.
Definition: type.hh:326
Grid view abstract base class.
Definition: gridview.hh:59
organizes the caching of sizes for one grid and one GeometryType
Definition: sizecache.hh:30
int size(int level, GeometryType type) const
Return number of entities per level and geometry type in this process.
Definition: sizecache.hh:188
int size(int level, int codim) const
Return number of grid entities of a given codim on a given level in this process.
Definition: sizecache.hh:171
int size(int codim) const
Return number of leaf entities of a given codim in this process.
Definition: sizecache.hh:202
SizeCache(const GridType &grid)
constructor taking grid reference
Definition: sizecache.hh:139
int size(const GeometryType type) const
Return number of leaf entities per geometry type in this process.
Definition: sizecache.hh:214
void reset()
reset all cached sizes
Definition: sizecache.hh:145
A set of traits classes to store static information about grid implementation.
GeometryType
Type representing VTK's entity geometry types.
Definition: common.hh:178
A few common exception classes.
A static for loop for template meta-programming.
#define DUNE_DEPRECATED
Mark some entity as deprecated.
Definition: deprecated.hh:84
Dune namespace.
Definition: alignment.hh:10
Static tag representing a codimension.
Definition: dimension.hh:22
organizes the caching of sizes for one grid and one GeometryType
Definition: sizecache.hh:351
A unique label for each type of element that can occur in a grid.