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 int	integer
typedef double	doublereal
Public Member Functions
	ItpackSparseMatrix ()
	ItpackSparseMatrix (integer order)
	ItpackSparseMatrix (integer order, integer maxNonZeroValues)
	~ItpackSparseMatrix ()
void	SetOrder (integer order)
void	SetMaxNonZeroValues (integer maxNonZeroValues)
void	Set (integer i, integer j, doublereal value)
void	Add (integer i, integer j, doublereal value)
doublereal	Get (integer i, integer j)
integer *	GetN ()
integer *	GetIA ()
void	SetCompressedRow (integer *ia, integer *ja, doublereal *a)
integer *	GetJA ()
doublereal *	GetA ()
doublereal *	GetValueArray ()
integer *	GetColumnArray ()
integer *	GetRowArray ()
integer	GetOrder () const
integer	GetMaxNonZeroValues () const
void	Clear ()
void	mult (doublereal *vector, doublereal *result)
void	mult (ItpackSparseMatrix *rightMatrix, ItpackSparseMatrix *resultMatrix)
void	PrintCompressedRow ()
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. Referenced by GetMaxNonZeroValues().

typedef int itk::fem::ItpackSparseMatrix::integer

typedefs from f2c.h Definition at line 42 of file itkFEMItpackSparseMatrix.h. Referenced by GetColumnArray(), GetN(), GetOrder(), GetRowArray(), GetValueArray(), SetMaxNonZeroValues(), and SetOrder().

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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)

integer* itk::fem::ItpackSparseMatrix::GetColumnArray (   )  [inline]

Get the column indices Definition at line 140 of file itkFEMItpackSparseMatrix.h. References GetIA(), and integer.

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

Get the row indices of the matrix (via "itpack-like" naming scheme) Referenced by GetColumnArray().

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

Get the column indices of the matrix (via "itpack-like" naming scheme) Referenced by GetValueArray().

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. References doublereal.

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. References integer.

integer itk::fem::ItpackSparseMatrix::GetOrder (   )  const [inline]

Get the order of the matrix Definition at line 150 of file itkFEMItpackSparseMatrix.h. References integer.

integer* itk::fem::ItpackSparseMatrix::GetRowArray (   )  [inline]

Get the row indices Definition at line 145 of file itkFEMItpackSparseMatrix.h. References integer.

doublereal* itk::fem::ItpackSparseMatrix::GetValueArray (   )  [inline]

Get the values of the matrix Definition at line 135 of file itkFEMItpackSparseMatrix.h. References GetJA(), and integer.

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. References integer.

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. References integer.

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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

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