itk::fem::ItpackSparseMatrix Class Reference

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

#include <itkFEMItpackSparseMatrix.h>

List of all members.

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 (integer order)
	ItpackSparseMatrix ()
	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 ()
Friends
class	LinearSystemWrapperItpack

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Detailed Description

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

See also:

ItpackLinearSystemWrapper

Definition at line 37 of file itkFEMItpackSparseMatrix.h.

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Member Typedef Documentation

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

Definition at line 43 of file itkFEMItpackSparseMatrix.h.

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

typedefs from f2c.h

Definition at line 42 of file itkFEMItpackSparseMatrix.h.

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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

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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

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)

Referenced by GetValueArray().

integer* itk::fem::ItpackSparseMatrix::GetColumnArray

(

)

[inline]

Get the column indices

Definition at line 140 of file itkFEMItpackSparseMatrix.h.

References GetJA().

integer* itk::fem::ItpackSparseMatrix::GetIA

(

)

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

Referenced by GetRowArray().

integer* itk::fem::ItpackSparseMatrix::GetJA

(

)

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

Referenced by GetColumnArray().

integer itk::fem::ItpackSparseMatrix::GetMaxNonZeroValues

(

)

const [inline]

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

Definition at line 155 of file itkFEMItpackSparseMatrix.h.

integer* itk::fem::ItpackSparseMatrix::GetN

(

)

[inline]

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

Definition at line 107 of file itkFEMItpackSparseMatrix.h.

integer itk::fem::ItpackSparseMatrix::GetOrder

(

)

const [inline]

Get the order of the matrix

Definition at line 150 of file itkFEMItpackSparseMatrix.h.

integer* itk::fem::ItpackSparseMatrix::GetRowArray

(

)

[inline]

Get the row indices

Definition at line 145 of file itkFEMItpackSparseMatrix.h.

References GetIA().

doublereal* itk::fem::ItpackSparseMatrix::GetValueArray

(

)

[inline]

Get the values of the matrix

Definition at line 135 of file itkFEMItpackSparseMatrix.h.

References GetA().

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

Multiply the matrix by another ItpackSparseMatrix

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

Multiply the matrix by a vector

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 80 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 73 of file itkFEMItpackSparseMatrix.h.

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Friends And Related Function Documentation

friend class LinearSystemWrapperItpack [friend]

friend class

Definition at line 178 of file itkFEMItpackSparseMatrix.h.

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

• itkFEMItpackSparseMatrix.h