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Reference documentation for deal.II version 8.1.0
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#include <mg_transfer_block.h>
Public Member Functions | |
MGTransferBlockSelect () | |
MGTransferBlockSelect (const ConstraintMatrix &constraints, const MGConstrainedDoFs &mg_constrained_dofs) | |
virtual | ~MGTransferBlockSelect () |
template<int dim, int spacedim> | |
void | build_matrices (const DoFHandler< dim, spacedim > &dof, const DoFHandler< dim, spacedim > &mg_dof, unsigned int selected) |
void | select (const unsigned int block) |
virtual void | prolongate (const unsigned int to_level, Vector< number > &dst, const Vector< number > &src) const |
virtual void | restrict_and_add (const unsigned int from_level, Vector< number > &dst, const Vector< number > &src) const |
template<int dim, typename number2 , int spacedim> | |
void | copy_to_mg (const DoFHandler< dim, spacedim > &mg_dof, MGLevelObject< Vector< number > > &dst, const Vector< number2 > &src) const |
template<int dim, typename number2 , int spacedim> | |
void | copy_from_mg (const DoFHandler< dim, spacedim > &mg_dof, Vector< number2 > &dst, const MGLevelObject< Vector< number > > &src) const |
template<int dim, typename number2 , int spacedim> | |
void | copy_from_mg_add (const DoFHandler< dim, spacedim > &mg_dof, Vector< number2 > &dst, const MGLevelObject< Vector< number > > &src) const |
template<int dim, typename number2 , int spacedim> | |
void | copy_to_mg (const DoFHandler< dim, spacedim > &mg_dof, MGLevelObject< Vector< number > > &dst, const BlockVector< number2 > &src) const |
template<int dim, typename number2 , int spacedim> | |
void | copy_from_mg (const DoFHandler< dim, spacedim > &mg_dof, BlockVector< number2 > &dst, const MGLevelObject< Vector< number > > &src) const |
template<int dim, typename number2 , int spacedim> | |
void | copy_from_mg_add (const DoFHandler< dim, spacedim > &mg_dof, BlockVector< number2 > &dst, const MGLevelObject< Vector< number > > &src) const |
std::size_t | memory_consumption () const |
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virtual | ~MGTransferBase () |
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Subscriptor () | |
Subscriptor (const Subscriptor &) | |
virtual | ~Subscriptor () |
Subscriptor & | operator= (const Subscriptor &) |
void | subscribe (const char *identifier=0) const |
void | unsubscribe (const char *identifier=0) const |
unsigned int | n_subscriptions () const |
void | list_subscribers () const |
DeclException3 (ExcInUse, int, char *, std::string &,<< "Object of class "<< arg2<< " is still used by "<< arg1<< " other objects.\n"<< "(Additional information: "<< arg3<< ")\n"<< "Note the entry in the Frequently Asked Questions of "<< "deal.II (linked to from http://www.dealii.org/) for "<< "more information on what this error means.") | |
DeclException2 (ExcNoSubscriber, char *, char *,<< "No subscriber with identifier \""<< arg2<< "\" did subscribe to this object of class "<< arg1) | |
template<class Archive > | |
void | serialize (Archive &ar, const unsigned int version) |
Private Member Functions | |
template<int dim, class OutVector , int spacedim> | |
void | do_copy_from_mg (const DoFHandler< dim, spacedim > &mg_dof, OutVector &dst, const MGLevelObject< Vector< number > > &src, const unsigned int offset) const |
template<int dim, class OutVector , int spacedim> | |
void | do_copy_from_mg_add (const DoFHandler< dim, spacedim > &mg_dof, OutVector &dst, const MGLevelObject< Vector< number > > &src, const unsigned int offset) const |
template<int dim, class InVector , int spacedim> | |
void | do_copy_to_mg (const DoFHandler< dim, spacedim > &mg_dof, MGLevelObject< Vector< number > > &dst, const InVector &src, const unsigned int offset) const |
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MGTransferBlockBase () | |
MGTransferBlockBase (const ConstraintMatrix &constraints, const MGConstrainedDoFs &mg_constrained_dofs) | |
std::size_t | memory_consumption () const |
template<int dim, int spacedim> | |
void | build_matrices (const DoFHandler< dim, spacedim > &dof, const DoFHandler< dim, spacedim > &mg_dof) |
DeclException0 (ExcMatricesNotBuilt) | |
Private Attributes | |
unsigned int | selected_block |
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std::vector< bool > | selected |
unsigned int | n_mg_blocks |
std::vector< unsigned int > | mg_block |
std::vector< std::vector < types::global_dof_index > > | sizes |
std::vector < types::global_dof_index > | block_start |
std::vector< std::vector < types::global_dof_index > > | mg_block_start |
std::vector < std_cxx1x::shared_ptr < BlockSparseMatrix< double > > > | prolongation_matrices |
std::vector< std::vector < std::vector< std::pair < unsigned int, unsigned int > > > > | copy_indices |
SmartPointer< const ConstraintMatrix, MGTransferBlockBase > | constraints |
SmartPointer< const MGConstrainedDoFs, MGTransferBlockBase > | mg_constrained_dofs |
Implementation of the MGTransferBase interface for block matrices and simple vectors. This class uses MGTransferBlockBase selecting a single block. The intergrid transfer operators are implemented for Vector objects, The copy functions between regular and multigrid vectors for Vector and BlockVector.
See MGTransferBase to find out which of the transfer classes is best for your needs.
Definition at line 341 of file mg_transfer_block.h.
MGTransferBlockSelect< number >::MGTransferBlockSelect | ( | ) |
Constructor without constraint matrices. Use this constructor only with discontinuous finite elements or with no local refinement.
MGTransferBlockSelect< number >::MGTransferBlockSelect | ( | const ConstraintMatrix & | constraints, |
const MGConstrainedDoFs & | mg_constrained_dofs | ||
) |
Constructor with constraint matrices as well as mg_constrained_dofs.
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virtual |
Destructor.
void MGTransferBlockSelect< number >::build_matrices | ( | const DoFHandler< dim, spacedim > & | dof, |
const DoFHandler< dim, spacedim > & | mg_dof, | ||
unsigned int | selected | ||
) |
Actually build the prolongation matrices for grouped blocks.
This function is a front-end for the same function in MGTransferBlockBase.
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inline |
Change selected block. Handle with care!
Definition at line 531 of file mg_transfer_block.h.
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virtual |
Prolongate a vector from level to_level-1
to level to_level
. The previous content of dst
is overwritten.
Implements MGTransferBase< Vector< number > >.
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virtual |
Restrict a vector from level from_level
to level from_level-1
and add this restriction to dst
. If the region covered by cells on level from_level
is smaller than that of level from_level-1
(local refinement), then some degrees of freedom in dst
are active and will not be altered. For the other degress of freedom, the result of the restriction is added.
Implements MGTransferBase< Vector< number > >.
void MGTransferBlockSelect< number >::copy_to_mg | ( | const DoFHandler< dim, spacedim > & | mg_dof, |
MGLevelObject< Vector< number > > & | dst, | ||
const Vector< number2 > & | src | ||
) | const |
Transfer a single block from a vector on the global grid to a multilevel vector.
void MGTransferBlockSelect< number >::copy_from_mg | ( | const DoFHandler< dim, spacedim > & | mg_dof, |
Vector< number2 > & | dst, | ||
const MGLevelObject< Vector< number > > & | src | ||
) | const |
Transfer from multilevel vector to normal vector.
Copies data from active portions of an multilevel vector into the respective positions of a Vector.
Definition at line 59 of file mg_transfer_block.templates.h.
void MGTransferBlockSelect< number >::copy_from_mg_add | ( | const DoFHandler< dim, spacedim > & | mg_dof, |
Vector< number2 > & | dst, | ||
const MGLevelObject< Vector< number > > & | src | ||
) | const |
Add a multi-level vector to a normal vector.
Works as the previous function, but probably not for continuous elements.
Definition at line 91 of file mg_transfer_block.templates.h.
void MGTransferBlockSelect< number >::copy_to_mg | ( | const DoFHandler< dim, spacedim > & | mg_dof, |
MGLevelObject< Vector< number > > & | dst, | ||
const BlockVector< number2 > & | src | ||
) | const |
Transfer a block from a vector on the global grid to multilevel vectors. Only the block selected is transfered.
void MGTransferBlockSelect< number >::copy_from_mg | ( | const DoFHandler< dim, spacedim > & | mg_dof, |
BlockVector< number2 > & | dst, | ||
const MGLevelObject< Vector< number > > & | src | ||
) | const |
Transfer from multilevel vector to normal vector.
Copies data from active portions of a multilevel vector into the respective positions of a global BlockVector.
Definition at line 43 of file mg_transfer_block.templates.h.
void MGTransferBlockSelect< number >::copy_from_mg_add | ( | const DoFHandler< dim, spacedim > & | mg_dof, |
BlockVector< number2 > & | dst, | ||
const MGLevelObject< Vector< number > > & | src | ||
) | const |
Add a multi-level vector to a normal vector.
Works as the previous function, but probably not for continuous elements.
Definition at line 75 of file mg_transfer_block.templates.h.
std::size_t MGTransferBlockSelect< number >::memory_consumption | ( | ) | const |
Memory used by this object.
Definition at line 106 of file mg_transfer_block.templates.h.
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private |
Implementation of the public function.
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private |
Implementation of the public function.
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private |
Actual implementation of copy_to_mg().
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private |
Selected block.
Definition at line 523 of file mg_transfer_block.h.