mg::Matrix< VectorType > Class Template Reference

#include <deal.II/multigrid/mg_matrix.h>

Inheritance diagram for mg::Matrix< VectorType >:

Public Member Functions
	Matrix ()
template<typename MatrixType >
	Matrix (const MGLevelObject< MatrixType > &M)
template<typename MatrixType >
void	initialize (const MGLevelObject< MatrixType > &M)
const PointerMatrixBase< VectorType > &	operator[] (unsigned int level) const
virtual void	vmult (const unsigned int level, VectorType &dst, const VectorType &src) const
virtual void	vmult_add (const unsigned int level, VectorType &dst, const VectorType &src) const
virtual void	Tvmult (const unsigned int level, VectorType &dst, const VectorType &src) const
virtual void	Tvmult_add (const unsigned int level, VectorType &dst, const VectorType &src) const
std::size_t	memory_consumption () const
Public Member Functions inherited from Subscriptor
	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."<< "\"<< "(Additional information: "<< arg3<< ")\"<< "See the entry in the Frequently Asked Questions of "<< "deal.II (linked to from http://www.dealii.org/) for "<< "a lot more information on what this error means and "<< "how to fix programs in which it happens.")
	DeclException2 (ExcNoSubscriber, char *, char *,<< "No subscriber with identifier <"<< arg2<< "> subscribes to this object of class "<< arg1<< ". Consequently, it cannot be unsubscribed.")
template<class Archive >
void	serialize (Archive &ar, const unsigned int version)

Detailed Description

template<typename VectorType = Vector<double>>
class mg::Matrix< VectorType >

Multilevel matrix. This matrix stores an MGLevelObject of PointerMatrixBase objects. It implements the interface defined in MGMatrixBase, so that it can be used as a matrix in Multigrid.

Author

Guido Kanschat

Date

2002, 2010

Definition at line 42 of file mg_matrix.h.

Constructor & Destructor Documentation

Matrix() [1/2]

template<typename VectorType >

mg::Matrix< VectorType >::Matrix ( )

inline

Default constructor for an empty object.

Definition at line 195 of file mg_matrix.h.

Matrix() [2/2]

template<typename VectorType >

template<typename MatrixType >

mg::Matrix< VectorType >::Matrix ( const MGLevelObject< MatrixType > &  M )

inline

Constructor setting up pointers to the matrices in M by calling initialize().

Definition at line 187 of file mg_matrix.h.

Member Function Documentation

initialize()

template<typename VectorType >

template<typename MatrixType >

void mg::Matrix< VectorType >::initialize ( const MGLevelObject< MatrixType > &  M )

inline

Initialize the object such that the level multiplication uses the matrices in M

Definition at line 175 of file mg_matrix.h.

operator[]()

template<typename VectorType >

const PointerMatrixBase< VectorType > & mg::Matrix< VectorType >::operator[] ( unsigned int  level ) const

inline

Access matrix on a level.

Definition at line 202 of file mg_matrix.h.

vmult()

template<typename VectorType >

void mg::Matrix< VectorType >::vmult ( const unsigned int  level, VectorType &  dst, const VectorType &  src  ) const

virtual

Matrix-vector-multiplication on a certain level.

Implements MGMatrixBase< VectorType >.

Definition at line 210 of file mg_matrix.h.

vmult_add()

template<typename VectorType >

void mg::Matrix< VectorType >::vmult_add ( const unsigned int  level, VectorType &  dst, const VectorType &  src  ) const

virtual

Adding matrix-vector-multiplication on a certain level.

Implements MGMatrixBase< VectorType >.

Definition at line 220 of file mg_matrix.h.

Tvmult()

template<typename VectorType >

void mg::Matrix< VectorType >::Tvmult ( const unsigned int  level, VectorType &  dst, const VectorType &  src  ) const

virtual

Transpose matrix-vector-multiplication on a certain level.

Implements MGMatrixBase< VectorType >.

Definition at line 230 of file mg_matrix.h.

Tvmult_add()

template<typename VectorType >

void mg::Matrix< VectorType >::Tvmult_add ( const unsigned int  level, VectorType &  dst, const VectorType &  src  ) const

virtual

Adding transpose matrix-vector-multiplication on a certain level.

Implements MGMatrixBase< VectorType >.

Definition at line 240 of file mg_matrix.h.

memory_consumption()

template<typename VectorType >

std::size_t mg::Matrix< VectorType >::memory_consumption ( ) const

inline

Memory used by this object.

Definition at line 251 of file mg_matrix.h.

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The documentation for this class was generated from the following file:

• deal.II/multigrid/mg_matrix.h