EpetraExt::BlockCrsMatrix Class Reference

#include <EpetraExt_BlockCrsMatrix.h>

Inheritance diagram for EpetraExt::BlockCrsMatrix:


	BlockCrsMatrix (const Epetra_CrsGraph &BaseGraph, const std::vector< int > &RowStencil, int RowIndex, const Epetra_Comm &GlobalComm)
	BlockCrsMatrix constuctor with one block row per processor.
	BlockCrsMatrix (const Epetra_CrsGraph &BaseGraph, const std::vector< std::vector< int > > &RowStencil, const std::vector< int > &RowIndices, const Epetra_Comm &GlobalComm)
	BlockCrsMatrix constuctor with multiple block rows per processor.
	BlockCrsMatrix (const Epetra_RowMatrix &BaseMatrix, const std::vector< std::vector< int > > &RowStencil, const std::vector< int > &RowIndices, const Epetra_Comm &GlobalComm)
	BlockCrsMatrix (const BlockCrsMatrix &Matrix)
	Copy constructor.
virtual	~BlockCrsMatrix ()
	Destructor.
Public Member Functions
const std::vector< int > &	Stencil (int i=0)
	Local Stencil Info.
int	RowIndex (int i=0)
	RowIndex.
void	LoadBlock (const Epetra_RowMatrix &BaseMatrix, const int Row, const int Col)
	Routine for loading a base matrices values into the large Block Matrix The Row and Col arguments are indices into RowStencil.
void	SumIntoBlock (double alpha, const Epetra_RowMatrix &BaseMatrix, const int Row, const int Col)
	Routine for summing base matrices values into the large Block Matrix The Row and Col arguments are indices into RowStencil.
void	BlockSumIntoGlobalValues (const int BaseRow, int NumIndices, double Values, const int Indices, const int Row, const int Col)
	Sum Entries into Block matrix using base-matrix numbering plus block Row and Col The Row and Col arguments are indices into RowStencil.
void	BlockReplaceGlobalValues (const int BaseRow, int NumIndices, double Values, const int Indices, const int Row, const int Col)
void	BlockExtractGlobalRowView (const int BaseRow, int &NumEntries, double *&Values, const int Row, const int Col)
void	ExtractBlock (Epetra_CrsMatrix &BaseMatrix, const int Row, const int Col)
Protected Attributes
Epetra_CrsGraph	BaseGraph_
std::vector< std::vector< int > >	RowStencil_
std::vector< int >	RowIndices_
int	Offset_

Detailed Description

Definition at line 48 of file EpetraExt_BlockCrsMatrix.h.

Constructor & Destructor Documentation

EpetraExt::BlockCrsMatrix::BlockCrsMatrix	(	const Epetra_CrsGraph &	BaseGraph,
		const std::vector< int > &	RowStencil,
		int	RowIndex,
		const Epetra_Comm &	GlobalComm
	)

BlockCrsMatrix constuctor with one block row per processor.

Creates a BlockCrsMatrix object and allocates storage.

Parameters:

	In	BaseGraph - Graph determining individual block structure, can be distrib. over subset of proc.'s
	In	RowStencil - Describes the stencil for block row on this processor (i.e. (-1 0 1) centered difference)
	In	RowIndex - Defines the index used for this block row.

EpetraExt::BlockCrsMatrix::BlockCrsMatrix	(	const Epetra_CrsGraph &	BaseGraph,
		const std::vector< std::vector< int > > &	RowStencil,
		const std::vector< int > &	RowIndices,
		const Epetra_Comm &	GlobalComm
	)

BlockCrsMatrix constuctor with multiple block rows per processor.

Creates a BlockCrsMatrix object and allocates storage.

Parameters:

	In	BaseGraph - Graph determining individual block structure, can be distrib. over subset of proc.'s
	In	RowStencil - Describes the stencil for block row on this processor (i.e. (-1 0 1) centered difference)
	In	RowIndices - Defines the indices used for this block row.

EpetraExt::BlockCrsMatrix::BlockCrsMatrix	(	const Epetra_RowMatrix &	BaseMatrix,
		const std::vector< std::vector< int > > &	RowStencil,
		const std::vector< int > &	RowIndices,
		const Epetra_Comm &	GlobalComm
	)

EpetraExt::BlockCrsMatrix::BlockCrsMatrix ( const BlockCrsMatrix & Matrix )

Copy constructor.

Definition at line 80 of file EpetraExt_BlockCrsMatrix.cpp.

EpetraExt::BlockCrsMatrix::~BlockCrsMatrix ( ) [virtual]

Destructor.

Definition at line 90 of file EpetraExt_BlockCrsMatrix.cpp.

Member Function Documentation

const std::vector<int>& EpetraExt::BlockCrsMatrix::Stencil ( int i = 0 ) [inline]

Local Stencil Info.

Definition at line 86 of file EpetraExt_BlockCrsMatrix.h.

int EpetraExt::BlockCrsMatrix::RowIndex ( int i = 0 ) [inline]

RowIndex.

Definition at line 89 of file EpetraExt_BlockCrsMatrix.h.

void EpetraExt::BlockCrsMatrix::LoadBlock	(	const Epetra_RowMatrix &	BaseMatrix,
		const int	Row,
		const int	Col
	)

Routine for loading a base matrices values into the large Block Matrix The Row and Col arguments are indices into RowStencil.

Definition at line 95 of file EpetraExt_BlockCrsMatrix.cpp.

void EpetraExt::BlockCrsMatrix::SumIntoBlock	(	double	alpha,
		const Epetra_RowMatrix &	BaseMatrix,
		const int	Row,
		const int	Col
	)

Routine for summing base matrices values into the large Block Matrix The Row and Col arguments are indices into RowStencil.

Definition at line 130 of file EpetraExt_BlockCrsMatrix.cpp.

void EpetraExt::BlockCrsMatrix::BlockSumIntoGlobalValues	(	const int	BaseRow,
		int	NumIndices,
		double *	Values,
		const int *	Indices,
		const int	Row,
		const int	Col
	)

Sum Entries into Block matrix using base-matrix numbering plus block Row and Col The Row and Col arguments are indices into RowStencil.

Definition at line 167 of file EpetraExt_BlockCrsMatrix.cpp.

void EpetraExt::BlockCrsMatrix::BlockReplaceGlobalValues	(	const int	BaseRow,
		int	NumIndices,
		double *	Values,
		const int *	Indices,
		const int	Row,
		const int	Col
	)