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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)
doublerealGetA ()
integerGetColumnArray ()
integerGetIA ()
integerGetJA ()
integer GetMaxNonZeroValues () const
integerGetN ()
integer GetOrder () const
integerGetRowArray ()
doublerealGetValueArray ()
 ItpackSparseMatrix (integer order, integer maxNonZeroValues)
 ItpackSparseMatrix (integer order)
 ItpackSparseMatrix ()
void mult (ItpackSparseMatrix *rightMatrix, ItpackSparseMatrix *resultMatrix)
void mult (doublereal *vector, doublereal *result)
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

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.


Member Typedef Documentation

Definition at line 43 of file itkFEMItpackSparseMatrix.h.

typedefs from f2c.h

Definition at line 42 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

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.


Friends And Related Function Documentation

friend class LinearSystemWrapperItpack [friend]

friend class

Definition at line 178 of file itkFEMItpackSparseMatrix.h.


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

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