#include <itkFEMItpackSparseMatrix.h>

Detailed Description

a compressed row sparse matrix representation that makes use of itpack to dynamically assemble the matrix

See Also: ItpackLinearSystemWrapper

Definition at line 40 of file itkFEMItpackSparseMatrix.h.

Public Types
typedef double	doublereal

typedef long	integer

Public Member Functions
void	Add (integer i, integer j, doublereal value)

void	Clear ()

doublereal	Get (integer i, integer j)

doublereal *	GetA ()

integer *	GetColumnArray ()

integer *	GetIA ()

integer *	GetJA ()

integer	GetMaxNonZeroValues () const

integer *	GetN ()

integer	GetOrder () const

integer *	GetRowArray ()

doublereal *	GetValueArray ()

	ItpackSparseMatrix ()

	ItpackSparseMatrix (integer order)

	ItpackSparseMatrix (integer order, integer maxNonZeroValues)

void	mult (doublereal vector, doublereal result)

void	mult (ItpackSparseMatrix rightMatrix, ItpackSparseMatrix resultMatrix)

void	PrintCompressedRow ()

void	Set (integer i, integer j, doublereal value)

void	SetCompressedRow (integer ia, integer ja, doublereal *a)

void	SetMaxNonZeroValues (integer maxNonZeroValues)

void	SetOrder (integer order)

	~ItpackSparseMatrix ()

Private Member Functions
void	Finalize ()

void	Initialize ()

void	UnFinalize ()

Private Attributes
doublereal *	m_A

integer *	m_IA

integer *	m_IWORK

integer *	m_JA

integer	m_LEVEL

integer	m_MatrixFinalized

integer	m_MatrixInitialized

integer	m_MODE

integer	m_N

integer	m_NOUT

integer	m_NZ

Friends
class	LinearSystemWrapperItpack

Member Typedef Documentation

typedef double itk::fem::ItpackSparseMatrix::doublereal

Definition at line 46 of file itkFEMItpackSparseMatrix.h.

typedef long itk::fem::ItpackSparseMatrix::integer

typedefs from f2c.h

Definition at line 45 of file itkFEMItpackSparseMatrix.h.

Constructor & Destructor Documentation

itk::fem::ItpackSparseMatrix::ItpackSparseMatrix ( )

Constructor

itk::fem::ItpackSparseMatrix::ItpackSparseMatrix ( integer order )

Constructor with single parameter

Parameters

order the order of the matrix to be created

itk::fem::ItpackSparseMatrix::ItpackSparseMatrix	(	integer	order,
		integer	maxNonZeroValues
	)

Constructor with two parameters

Parameters

order	the order of the matrix to be created
maxNonZeroValues	the maximum number of non-zero values that may appear in the matrix

itk::fem::ItpackSparseMatrix::~ItpackSparseMatrix ( )

Destructor

Member Function Documentation

void itk::fem::ItpackSparseMatrix::Add	(	integer	i,
		integer	j,
		doublereal	value
	)

Add to existing entry of matrix

Parameters

i	row index
j	column index
value	value to add to current value at (i,j)

void itk::fem::ItpackSparseMatrix::Clear ( )

Clear the memory

void itk::fem::ItpackSparseMatrix::Finalize ( )

private

finalize matrix form

doublereal itk::fem::ItpackSparseMatrix::Get	(	integer	i,
		integer	j
	)

Get a value from the matrix

Parameters

i	row index
j	column index

doublereal* itk::fem::ItpackSparseMatrix::GetA ( )

Get the values of the matrix (via "itpack-like" naming scheme)

integer* itk::fem::ItpackSparseMatrix::GetColumnArray ( )

inline

Get the column indices

Definition at line 154 of file itkFEMItpackSparseMatrix.h.

integer* itk::fem::ItpackSparseMatrix::GetIA ( )

Get the row indices of the matrix (via "itpack-like" naming scheme)

integer* itk::fem::ItpackSparseMatrix::GetJA ( )

Get the column indices of the matrix (via "itpack-like" naming scheme)

integer itk::fem::ItpackSparseMatrix::GetMaxNonZeroValues ( ) const

inline

Get the maximum number of non-zero values allowed in the matrix

Definition at line 178 of file itkFEMItpackSparseMatrix.h.

integer* itk::fem::ItpackSparseMatrix::GetN ( )

inline

Get the order of the matrix (via "itpack-like" naming scheme)

Definition at line 115 of file itkFEMItpackSparseMatrix.h.

integer itk::fem::ItpackSparseMatrix::GetOrder ( ) const

inline

Get the order of the matrix

Definition at line 170 of file itkFEMItpackSparseMatrix.h.

integer* itk::fem::ItpackSparseMatrix::GetRowArray ( )

inline

Get the row indices

Definition at line 162 of file itkFEMItpackSparseMatrix.h.

doublereal* itk::fem::ItpackSparseMatrix::GetValueArray ( )

inline

Get the values of the matrix

Definition at line 146 of file itkFEMItpackSparseMatrix.h.

void itk::fem::ItpackSparseMatrix::Initialize ( )

private

initialize matrix

void itk::fem::ItpackSparseMatrix::mult	(	doublereal *	vector,
		doublereal *	result
	)

Multiply the matrix by a vector

void itk::fem::ItpackSparseMatrix::mult	(	ItpackSparseMatrix *	rightMatrix,
		ItpackSparseMatrix *	resultMatrix
	)

Multiply the matrix by another ItpackSparseMatrix

void itk::fem::ItpackSparseMatrix::PrintCompressedRow ( )

output compressed row vectors: IA, JA, A

void itk::fem::ItpackSparseMatrix::Set	(	integer	i,
		integer	j,
		doublereal	value
	)

Insert a value into the matrix

Parameters

i	row index
j	column index
value	value to be added at (i,j)

void itk::fem::ItpackSparseMatrix::SetCompressedRow	(	integer *	ia,
		integer *	ja,
		doublereal *	a
	)

Pass pointers to compressed row format arrays

Parameters

ia	row indices
ja	column indices
a	matrix values

void itk::fem::ItpackSparseMatrix::SetMaxNonZeroValues ( integer maxNonZeroValues )

inline

Set the maximum number of non-zero values that may appear in the matrix

Parameters

maxNonZeroValues maximum number of non-zero values that may appear in matrix

Note: the maxNonZeroValues must be set before any values are entered

Definition at line 85 of file itkFEMItpackSparseMatrix.h.

void itk::fem::ItpackSparseMatrix::SetOrder ( integer order )

inline

Set the order of the matrix

Parameters

order the order of the matrix

Note: the order must be set before any values are entered

Definition at line 75 of file itkFEMItpackSparseMatrix.h.

void itk::fem::ItpackSparseMatrix::UnFinalize ( )

private

unfinalize matrix

Friends And Related Function Documentation

friend class LinearSystemWrapperItpack

friend

friend class

Definition at line 204 of file itkFEMItpackSparseMatrix.h.

Member Data Documentation

doublereal* itk::fem::ItpackSparseMatrix::m_A

private

nonzero entries in compressed row storage format

Definition at line 234 of file itkFEMItpackSparseMatrix.h.

integer* itk::fem::ItpackSparseMatrix::m_IA

private

row pointegerers used in compressed row storage format

Definition at line 228 of file itkFEMItpackSparseMatrix.h.

integer* itk::fem::ItpackSparseMatrix::m_IWORK

private

integer workspace used in matrix building

Definition at line 237 of file itkFEMItpackSparseMatrix.h.

integer* itk::fem::ItpackSparseMatrix::m_JA

private

column indices used in compressed row storage format

Definition at line 231 of file itkFEMItpackSparseMatrix.h.

integer itk::fem::ItpackSparseMatrix::m_LEVEL

private

flag indicating desired level of error reporting during matrix building m_LEVEL < 0 - no printing = 0 - fatal error messages written to m_NOUT > 0 - messages printed when repeat entries are encountered

Note: must be set to less than 0

Definition at line 257 of file itkFEMItpackSparseMatrix.h.

integer itk::fem::ItpackSparseMatrix::m_MatrixFinalized

private

flag indicating whether the matrix representation has been finalized

Definition at line 216 of file itkFEMItpackSparseMatrix.h.

integer itk::fem::ItpackSparseMatrix::m_MatrixInitialized

private

flag indicating variables have been initialized

Definition at line 219 of file itkFEMItpackSparseMatrix.h.

integer itk::fem::ItpackSparseMatrix::m_MODE

private

flag indicating mode of matrix building for repeat entries m_MODE < 0 - current entry left as is = 0 - current entry reset > 0 - value is added to current entry

Definition at line 245 of file itkFEMItpackSparseMatrix.h.

integer itk::fem::ItpackSparseMatrix::m_N

private

Order of system

Definition at line 222 of file itkFEMItpackSparseMatrix.h.

integer itk::fem::ItpackSparseMatrix::m_NOUT

private

unit number that error messages are written to during matrix building

Definition at line 248 of file itkFEMItpackSparseMatrix.h.

integer itk::fem::ItpackSparseMatrix::m_NZ

private

Maximum number of non-zero elements in master stiffness matrix