Ifpack_OverlapGraph Class Reference

Ifpack_OverlapGraph: Constructs a graph for use with Ifpack preconditioners. More...

#include <Ifpack_OverlapGraph.h>

Inheritance diagram for Ifpack_OverlapGraph:

[legend]Collaboration diagram for Ifpack_OverlapGraph:[legend]List of all members.

Public Member Functions
Constructors/Destructor
	Ifpack_OverlapGraph (const Epetra_CrsGraph *UserMatrixGraph, int OverlapLevel)
	Constructor using Epetra_CrsGraph.
	Ifpack_OverlapGraph (const Epetra_RowMatrix *UserMatrix, int OverlapLevel)
	Constructor using Epetra_RowMatrix.
	Ifpack_OverlapGraph (const Ifpack_OverlapGraph &Source)
	Copy constructor.
virtual	~Ifpack_OverlapGraph ()
	Ifpack_CrsIlut Destructor.
Atribute access methods.
int	SetParameters (const Teuchos::ParameterList &parameterlist, bool cerr_warning_if_unused=false)
	Set parameters using a Teuchos::ParameterList object.
const Epetra_CrsGraph &	OverlapGraph () const
	Returns the overlap graph object.
const Epetra_BlockMap &	OverlapRowMap () const
	Returns the RowMap associated with the overlap graph.
const Epetra_Import &	OverlapImporter () const
	Returns the overlap graph object.
int	OverlapLevel () const
	Returns the level of overlap used to create this graph.
Epetra_Object print method (allows use of << operator with this class).
void	Print (ostream &os) const
Protected Member Functions
int	ConstructOverlapGraph (const Epetra_CrsGraph *UserMatrixGraph)
Protected Attributes
Epetra_CrsGraph *	OverlapGraph_
const Epetra_CrsGraph *	UserMatrixGraph_
const Epetra_RowMatrix *	UserMatrix_
Epetra_BlockMap *	OverlapRowMap_
Epetra_Import *	OverlapImporter_
int	OverlapLevel_
bool	IsOverlapped_

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Detailed Description

Ifpack_OverlapGraph: Constructs a graph for use with Ifpack preconditioners.

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Constructor & Destructor Documentation

Ifpack_OverlapGraph::Ifpack_OverlapGraph (  const Epetra_CrsGraph *  UserMatrixGraph, int  OverlapLevel )

Constructor using Epetra_CrsGraph. Creates an Ifpack_OverlapGraph object from the user graph. Parameters: In  UserMatrixGraph - Graph from user matrix.

Ifpack_OverlapGraph::Ifpack_OverlapGraph (  const Epetra_RowMatrix *  UserMatrix, int  OverlapLevel )

Constructor using Epetra_RowMatrix. Creates an Ifpack_OverlapGraph object from the user graph implicitly defined by the Epetra_RowMatrix interface. Parameters: In  RowMatrix - An object that has implemented the Epetra_RowMatrix interface.

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Member Function Documentation

int Ifpack_OverlapGraph::OverlapLevel (   )  const [inline]

Returns the level of overlap used to create this graph. The graph created by this class uses a recursive definition 0f overlap. Level one overlap is created by copying all off-processor rows that are reached to be at least one column of the rows that are on processor. Level two overlap is the same process used on the level one graph.

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

• Ifpack_OverlapGraph.h
• Ifpack_OverlapGraph.cpp

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