#include <Ifpack_LinePartitioner.h>

Inheritance diagram for Ifpack_LinePartitioner:

Public Types
enum	LINE_MODE { COORDINATES =0 , MATRIX_ENTRIES }

Public Member Functions
	Ifpack_LinePartitioner (const Ifpack_Graph *Graph)
	Constructor.

	Ifpack_LinePartitioner (const Epetra_RowMatrix *Matrix)

virtual	~Ifpack_LinePartitioner ()
	Destructor.

int	SetPartitionParameters (Teuchos::ParameterList &List)
	Sets all the parameters for the partitioner.

int	ComputePartitions ()
	Computes the partitions. Returns 0 if successful.

Public Member Functions inherited from Ifpack_OverlappingPartitioner
	Ifpack_OverlappingPartitioner (const Ifpack_Graph *Graph)
	Constructor.

virtual	~Ifpack_OverlappingPartitioner ()
	Destructor.

int	NumLocalParts () const
	Returns the number of computed local partitions.

int	OverlappingLevel () const
	Returns the overlapping level.

int	operator() (int MyRow) const
	Returns the local non-overlapping partition ID of the specified row.

int	operator() (int i, int j) const
	Returns the local overlapping partition ID of the j-th node in partition i.

int	NumRowsInPart (const int Part) const
	Returns the number of rows contained in specified partition.

int	RowsInPart (const int Part, int *List) const
	Copies into List the rows in the (overlapping) partition Part.

const int *	NonOverlappingPartition () const
	Returns a pointer to the integer vector containing the non-overlapping partition ID of each local row.

virtual int	SetParameters (Teuchos::ParameterList &List)
	Sets all the parameters for the partitioner.

virtual int	SetPartitionParameters (Teuchos::ParameterList &List)=0
	Sets all the parameters for the partitioner.

virtual int	Compute ()
	Computes the partitions. Returns 0 if successful.

virtual int	ComputePartitions ()=0
	Computes the partitions. Returns 0 if successful.

virtual int	ComputeOverlappingPartitions ()
	Computes the partitions. Returns 0 if successful.

bool	IsComputed ()
	Returns true if partitions have been computed successfully.

virtual std::ostream &	Print (std::ostream &os) const
	Prints basic information on iostream. This function is used by operator<<.

Public Member Functions inherited from Ifpack_Partitioner
virtual	~Ifpack_Partitioner ()
	Destructor.

virtual int	NumLocalParts () const =0
	Returns the number of computed local partitions.

virtual int	OverlappingLevel () const =0
	Returns the overlapping level.

virtual int	operator() (int MyRow) const =0
	Returns the local non-overlapping partition ID of the specified row.

virtual int	operator() (int i, int j) const =0
	Returns the local overlapping partition ID of the j-th node in partition i.

virtual int	NumRowsInPart (const int Part) const =0
	Returns the number of rows contained in specified partition.

virtual int	RowsInPart (const int Part, int *List) const =0
	Copies into List the rows in the (overlapping) partition Part.

virtual const int *	NonOverlappingPartition () const =0
	Returns a pointer to the integer vector containing the non-overlapping partition ID of each local row.

virtual int	SetParameters (Teuchos::ParameterList &List)=0
	Sets all the parameters for the partitioner.

virtual int	Compute ()=0
	Computes the partitions. Returns 0 if successful.

virtual bool	IsComputed ()=0
	Returns true if partitions have been computed successfully.

virtual std::ostream &	Print (std::ostream &os) const =0
	Prints basic information about the partitioning object.

Private Member Functions
int	Compute_Blocks_AutoLine (int *blockIndices) const

void	local_automatic_line_search (int NumEqns, int blockIndices, int last, int next, int LineID, double tol, int itemp, double *dtemp) const

Private Attributes
Teuchos::RCP< const Ifpack_Graph >	GraphWrapper_

const Epetra_RowMatrix *	Matrix_

LINE_MODE	mode_

int	NumEqns_

double *	xcoord_

double *	ycoord_

double *	zcoord_

double	threshold_

Additional Inherited Members
Protected Member Functions inherited from Ifpack_OverlappingPartitioner
int	NumMyRows () const
	Returns the number of local rows.

int	NumMyNonzeros () const
	Returns the number of local nonzero elements.

int	NumGlobalRows () const
	Returns the number of global rows.

long long	NumGlobalRows64 () const

int	MaxNumEntries () const
	Returns the max number of local entries in a row.

const Epetra_Comm &	Comm () const
	Returns the communicator object of Graph.

Protected Attributes inherited from Ifpack_OverlappingPartitioner
int	NumLocalParts_
	Number of local subgraphs.

std::vector< int >	Partition_
	Partition_[i] contains the ID of non-overlapping part it belongs to.

std::vector< std::vector< int > >	Parts_
	Parts_[i][j] is the ID of the j-th row contained in the (overlapping)

const Ifpack_Graph *	Graph_
	Reference to the graph to be partitioned.

int	OverlappingLevel_
	Overlapping level.

bool	IsComputed_
	If `true`, the graph has been successfully partitioned.

bool	verbose_
	If `true`, information are reported on cout.

Detailed Description

Definition at line 92 of file Ifpack_LinePartitioner.h.

Member Enumeration Documentation

◆ LINE_MODE

enum Ifpack_LinePartitioner::LINE_MODE

Enumerator
COORDINATES
MATRIX_ENTRIES

Definition at line 96 of file Ifpack_LinePartitioner.h.

Constructor & Destructor Documentation

◆ Ifpack_LinePartitioner() [1/2]

Ifpack_LinePartitioner::Ifpack_LinePartitioner ( const Ifpack_Graph * Graph )

inline

Constructor.

Definition at line 100 of file Ifpack_LinePartitioner.h.

◆ Ifpack_LinePartitioner() [2/2]

Ifpack_LinePartitioner::Ifpack_LinePartitioner ( const Epetra_RowMatrix * Matrix )

inline

Definition at line 113 of file Ifpack_LinePartitioner.h.

◆ ~Ifpack_LinePartitioner()

virtual Ifpack_LinePartitioner::~Ifpack_LinePartitioner ( )

inlinevirtual

Destructor.

Definition at line 130 of file Ifpack_LinePartitioner.h.

Member Function Documentation

◆ SetPartitionParameters()

int Ifpack_LinePartitioner::SetPartitionParameters ( Teuchos::ParameterList & List )

inlinevirtual

Sets all the parameters for the partitioner.

Implements Ifpack_OverlappingPartitioner.

Definition at line 133 of file Ifpack_LinePartitioner.h.

◆ ComputePartitions()

int Ifpack_LinePartitioner::ComputePartitions ( )

virtual

Computes the partitions. Returns 0 if successful.

Implements Ifpack_OverlappingPartitioner.

Definition at line 209 of file Ifpack_LinePartitioner.cpp.

◆ Compute_Blocks_AutoLine()

int Ifpack_LinePartitioner::Compute_Blocks_AutoLine ( int * blockIndices ) const

private

Definition at line 137 of file Ifpack_LinePartitioner.cpp.

◆ local_automatic_line_search()

void Ifpack_LinePartitioner::local_automatic_line_search	(	int	NumEqns,
		int *	blockIndices,
		int	last,
		int	next,
		int	LineID,
		double	tol,
		int *	itemp,
		double *	dtemp
	)		const

inlineprivate

Definition at line 70 of file Ifpack_LinePartitioner.cpp.

Member Data Documentation

◆ GraphWrapper_

Teuchos::RCP<const Ifpack_Graph> Ifpack_LinePartitioner::GraphWrapper_

private

Definition at line 167 of file Ifpack_LinePartitioner.h.

◆ Matrix_

const Epetra_RowMatrix* Ifpack_LinePartitioner::Matrix_

private

Definition at line 170 of file Ifpack_LinePartitioner.h.

◆ mode_

LINE_MODE Ifpack_LinePartitioner::mode_

private

Definition at line 171 of file Ifpack_LinePartitioner.h.

◆ NumEqns_

int Ifpack_LinePartitioner::NumEqns_

private

Definition at line 172 of file Ifpack_LinePartitioner.h.

◆ xcoord_

double* Ifpack_LinePartitioner::xcoord_

private

Definition at line 173 of file Ifpack_LinePartitioner.h.

◆ ycoord_

double* Ifpack_LinePartitioner::ycoord_

private

Definition at line 174 of file Ifpack_LinePartitioner.h.

◆ zcoord_

double* Ifpack_LinePartitioner::zcoord_

private

Definition at line 175 of file Ifpack_LinePartitioner.h.

◆ threshold_

double Ifpack_LinePartitioner::threshold_

private

Definition at line 176 of file Ifpack_LinePartitioner.h.

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

Public Types

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ LINE_MODE

Constructor & Destructor Documentation

◆ Ifpack_LinePartitioner() [1/2]

◆ Ifpack_LinePartitioner() [2/2]

◆ ~Ifpack_LinePartitioner()

Member Function Documentation

◆ SetPartitionParameters()

◆ ComputePartitions()

◆ Compute_Blocks_AutoLine()

◆ local_automatic_line_search()

Member Data Documentation

◆ GraphWrapper_

◆ Matrix_

◆ mode_

◆ NumEqns_

◆ xcoord_

◆ ycoord_

◆ zcoord_

◆ threshold_