/usr/include/dune/grid/onedgrid/onedgridindexsets.hh is in libdune-grid-dev 2.2.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#define DUNE_ONEDGRID_INDEXSETS_HH
/** \file
\brief The index and id sets for the OneDGrid class
*/
#include <vector>
#include <dune/grid/common/indexidset.hh>
#include <dune/grid/onedgrid/onedgridlist.hh>
#include <dune/grid/onedgrid/onedgridentity.hh>
namespace Dune {
template<class GridImp>
class OneDGridLevelIndexSet : public IndexSet<GridImp,OneDGridLevelIndexSet<GridImp> >
{
public:
/** \brief Constructor for a given level of a given grid
*/
OneDGridLevelIndexSet (const GridImp& grid, int level)
: grid_(&grid), level_(level)
{}
//! get index of an entity
template<int cd>
int index (const typename GridImp::Traits::template Codim<cd>::Entity& e) const
{
return grid_->getRealImplementation(e).levelIndex();
}
//! get index of subentity of an entity
template<int cc>
unsigned int subIndex (const typename GridImp::Traits::template Codim<cc>::Entity& e,
int i,
unsigned int codim) const
{
if( cc == 0 )
return grid_->getRealImplementation(e).subLevelIndex(i,codim);
else
return grid_->getRealImplementation(e).levelIndex();
}
//! get number of entities of given type and on this level
int size (GeometryType type) const
{
return grid_->size(level_,type);
}
//! get number of entities of given codim, type and on this level
int size (int codim) const
{
return grid_->size(level_,codim);
}
/** \brief Deliver all geometry types used in this grid */
const std::vector<GeometryType>& geomTypes (int codim) const
{
return myTypes_[codim];
}
/** \brief Return true if e is contained in the index set.
Warning: this implementation takes O(n) time! It also assumes that e belongs
to the correct grid.
*/
template <class EntityType>
bool contains (const EntityType& e) const
{
// If the entity isn't on the same level as this index set it cannot be contained in the index set
if (e.level() != level_)
return false;
enum { cd = EntityType::codimension };
typedef typename GridImp::template Codim<cd>::template Partition<All_Partition>::LevelIterator IteratorType;
IteratorType iend = grid_->template lend<cd,All_Partition>(level_);
for (IteratorType it = grid_->template lbegin<cd,All_Partition>(level_);
it != iend; ++it)
{
if (this->template index<cd>(*it) == this->template index<cd>(e))
return true;
}
return false;
}
/** \brief Sets the corresponding internal fields. Used by the GridFactory */
void setSizesAndTypes(unsigned int numVertices, unsigned int numElements) {
numVertices_ = numVertices;
numElements_ = numElements;
// ///////////////////////////////////////////////
// Update the list of geometry types present
// ///////////////////////////////////////////////
if (numElements_>0) {
myTypes_[0].resize(1);
myTypes_[0][0] = GeometryType(1);
} else
myTypes_[0].resize(0);
if (numVertices_>0) {
myTypes_[1].resize(1);
myTypes_[1][0] = GeometryType(0);
} else
myTypes_[1].resize(0);
}
/** \todo Should be private */
void update() {
// ///////////////////////////////
// Init the element indices
// ///////////////////////////////
numElements_ = 0;
OneDGridList<OneDEntityImp<1> >::const_iterator eIt;
for (eIt = grid_->elements(level_).begin(); eIt != grid_->elements(level_).end(); eIt = eIt->succ_)
/** \todo Remove this const cast */
const_cast<OneDEntityImp<1>*>(eIt)->levelIndex_ = numElements_++;
// //////////////////////////////
// Init the vertex indices
// //////////////////////////////
numVertices_ = 0;
OneDGridList<OneDEntityImp<0> >::const_iterator vIt;
for (vIt = grid_->vertices(level_).begin(); vIt != grid_->vertices(level_).end(); vIt = vIt->succ_)
/** \todo Remove this const cast */
const_cast<OneDEntityImp<0>*>(vIt)->levelIndex_ = numVertices_++;
// set the list of geometry types
setSizesAndTypes(numVertices_, numElements_);
}
private:
const GridImp* grid_;
int level_;
int numElements_;
int numVertices_;
/** \brief The GeometryTypes present for each codim */
std::vector<GeometryType> myTypes_[2];
};
template<class GridImp>
class OneDGridLeafIndexSet :
public IndexSet<GridImp,OneDGridLeafIndexSet<GridImp> >
{
public:
//! constructor stores reference to a grid and level
OneDGridLeafIndexSet (const GridImp& g) : grid_(g)
{
}
//! get index of an entity
/*
We use the remove_const to extract the Type from the mutable class,
because the const class is not instantiated yet.
*/
template<int cd>
int index (const typename remove_const<GridImp>::type::Traits::template Codim<cd>::Entity& e) const
{
return grid_.getRealImplementation(e).leafIndex();
}
//! get index of subentity of an entity
template<int cc>
int subIndex (const typename remove_const<GridImp>::type::Traits::template Codim<cc>::Entity& e,
int i,
unsigned int codim) const
{
if( cc == 0 )
return grid_.getRealImplementation(e).subLeafIndex(i,codim);
else
return grid_.getRealImplementation(e).leafIndex();
}
//! get number of entities of given codim, type on the leaf level
int size (GeometryType type) const
{
if (type.isVertex()) {
return numVertices_;
} else if (type.isLine()) {
return numElements_;
}
return 0;
}
//! get number of entities of given codim, type on the leaf level
int size(int codim) const
{
if (codim==1) {
return numVertices_;
} else if (codim==0) {
return numElements_;
}
return 0;
}
/** deliver all geometry types used in this grid */
const std::vector<GeometryType>& geomTypes (int codim) const
{
return myTypes_[codim];
}
/** \brief Return true if e is contained in the index set.
Warning: this implementation takes O(n) time! It also assumes that e belongs
to the correct grid.
*/
template <class EntityType>
bool contains (const EntityType& e) const
{
enum { cd = EntityType::codimension };
typedef typename GridImp::template Codim<cd>::template Partition<All_Partition>::LeafIterator IteratorType;
IteratorType iend = grid_.template leafend<cd,All_Partition>();
for (IteratorType it = grid_.template leafbegin<cd,All_Partition>();
it != iend; ++it)
{
if (it->level() == e.level() && this->template index<cd>(*it) == this->template index<cd>(e))
return true;
}
return false;
}
/** \brief Sets the corresponding internal fields. Used by the GridFactory */
void setSizesAndTypes(unsigned int numVertices, unsigned int numElements) {
numVertices_ = numVertices;
numElements_ = numElements;
// ///////////////////////////////////////////////
// Update the list of geometry types present
// ///////////////////////////////////////////////
if (numElements_>0) {
myTypes_[0].resize(1);
myTypes_[0][0] = GeometryType(1);
} else
myTypes_[0].resize(0);
if (numVertices_>0) {
myTypes_[1].resize(1);
myTypes_[1][0] = GeometryType(0);
} else
myTypes_[1].resize(0);
}
/** \todo Should be private */
void update() {
// ///////////////////////////////
// Init the element indices
// ///////////////////////////////
numElements_ = 0;
typename GridImp::Traits::template Codim<0>::LeafIterator eIt = grid_.template leafbegin<0>();
typename GridImp::Traits::template Codim<0>::LeafIterator eEndIt = grid_.template leafend<0>();
for (; eIt!=eEndIt; ++eIt) {
grid_.getRealImplementation(*eIt).target_->leafIndex_ = numElements_++;
}
// //////////////////////////////
// Init the vertex indices
// //////////////////////////////
numVertices_ = 0;
for (int i=grid_.maxLevel(); i>=0; i--) {
const OneDEntityImp<0>* vIt;
for (vIt = grid_.vertices(i).begin(); vIt != grid_.vertices(i).end(); vIt = vIt->succ_) {
/** \todo Remove the const casts */
if (vIt->isLeaf())
const_cast<OneDEntityImp<0>*>(vIt)->leafIndex_ = numVertices_++;
else
const_cast<OneDEntityImp<0>*>(vIt)->leafIndex_ = vIt->son_->leafIndex_;
}
}
// set the list of geometry types
setSizesAndTypes(numVertices_, numElements_);
}
private:
const GridImp& grid_;
int numElements_;
int numVertices_;
/** \brief The GeometryTypes present for each codim */
std::vector<GeometryType> myTypes_[2];
};
template<class GridImp>
class OneDGridIdSet : public IdSet<GridImp,OneDGridIdSet<GridImp>,unsigned int>
{
public:
//! define the type used for persistent indices
typedef unsigned int IdType;
//! constructor stores reference to a grid
OneDGridIdSet (const GridImp& g) : grid_(g) {}
//! get id of an entity
/*
We use the remove_const to extract the Type from the mutable class,
because the const class is not instantiated yet.
*/
template<int cd>
IdType id (const typename remove_const<GridImp>::type::Traits::template Codim<cd>::Entity& e) const
{
return grid_.getRealImplementation(e).globalId();
}
//! get id of subentity
IdType subId (const typename remove_const<GridImp>::type::Traits::template Codim<0>::Entity& e,
int i,
unsigned int codim) const
{
return grid_.getRealImplementation(e).subId(i,codim);
}
private:
const GridImp& grid_;
};
} // namespace Dune
#endif
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