itk::fem::LinearSystemWrapperVNL Class Reference

LinearSystemWrapper class that uses VNL numeric library functions to define a sparse linear system of equations. More...

#include <itkFEMLinearSystemWrapperVNL.h>

Inheritance diagram for itk::fem::LinearSystemWrapperVNL:

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Collaboration diagram for itk::fem::LinearSystemWrapperVNL:

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List of all members.

Public Types

typedef std::vector< unsigned int > ColumnArray

typedef const Self * ConstPointer

typedef LinearSystemWrapper::Float Float

typedef std::vector
< MatrixRepresentation * > MatrixHolder

typedef vnl_sparse_matrix< Float > MatrixRepresentation

typedef Self * Pointer

typedef LinearSystemWrapper Self

typedef Solution Superclass

typedef LinearSystemWrapper SuperClass

Public Member Functions

virtual void AddMatrixMatrix (unsigned int matrixIndex1, unsigned int matrixIndex2)

virtual void AddMatrixValue (unsigned int i, unsigned int j, Float value, unsigned int matrixIndex=0)=0

virtual void AddMatrixValue (unsigned int i, unsigned int j, Float value, unsigned int matrixIndex)

virtual void AddSolutionValue (unsigned int i, Float value, unsigned int solutionIndex=0)=0

virtual void AddSolutionValue (unsigned int i, Float value, unsigned int solutionIndex)

virtual void AddVectorValue (unsigned int i, Float value, unsigned int vectorIndex=0)=0

virtual void AddVectorValue (unsigned int i, Float value, unsigned int vectorIndex)

virtual void AddVectorVector (unsigned int vectorIndex1, unsigned int vectorIndex2)

virtual void Clean (void)

virtual void CopyMatrix (unsigned int matrixIndex1, unsigned int matrixIndex2)

virtual void CopySolution2Vector (unsigned int solutionIndex, unsigned int vectorIndex)=0

virtual void CopySolution2Vector (unsigned solutionIndex, unsigned int vectorIndex)

virtual void CopyVector (unsigned int vectorSource, unsigned int vectorDestination)

virtual void CopyVector2Solution (unsigned int vectorIndex, unsigned int solutionIndex)

virtual void DestroyMatrix (unsigned int matrixIndex)

virtual void DestroySolution (unsigned int solutionIndex)

virtual void DestroyVector (unsigned int vectorIndex)

virtual void GetColumnsOfNonZeroMatrixElementsInRow (unsigned int row, ColumnArray &cols, unsigned int matrixIndex=0)

virtual Float GetMatrixValue (unsigned int i, unsigned int j, unsigned int matrixIndex) const

unsigned int GetNumberOfMatrices ()

unsigned int GetNumberOfSolutions ()

unsigned int GetNumberOfVectors ()

virtual Float GetSolutionValue (unsigned int i, unsigned int solutionIndex) const

unsigned int GetSystemOrder () const

virtual Float GetVectorValue (unsigned int i, unsigned int vectorIndex) const

virtual void InitializeMatrix (unsigned int matrixIndex)

virtual void InitializeSolution (unsigned int solutionIndex)

virtual void InitializeVector (unsigned int vectorIndex)

virtual bool IsMatrixInitialized (unsigned int matrixIndex)

virtual bool IsSolutionInitialized (unsigned int solutionIndex)

virtual bool IsVectorInitialized (unsigned int vectorIndex)

LinearSystemWrapperVNL ()

virtual void MultiplyMatrixMatrix (unsigned int resultMatrixIndex, unsigned int leftMatrixIndex, unsigned int rightMatrixIndex)

virtual void MultiplyMatrixVector (unsigned int resultVectorIndex, unsigned int matrixIndex, unsigned int vectorIndex)

virtual void OptimizeMatrixStorage (unsigned int matrixIndex, unsigned int tempMatrixIndex)

virtual void ReverseCuthillMckeeOrdering (ColumnArray &newNumbering, unsigned int matrixIndex=0)

virtual void ScaleMatrix (Float scale, unsigned int matrixIndex=0)

virtual void ScaleMatrix (Float scale, unsigned int matrixIndex)

void ScaleSolution (Float scale, unsigned int solutionIndex=0)

void ScaleVector (Float scale, unsigned int vectorIndex=0)

virtual void SetMatrixValue (unsigned int i, unsigned int j, Float value, unsigned int matrixIndex=0)=0

virtual void SetMatrixValue (unsigned int i, unsigned int j, Float value, unsigned int matrixIndex)

virtual void SetMaximumNonZeroValuesInMatrix (unsigned int, unsigned int)

void SetNumberOfMatrices (unsigned int nMatrices)

void SetNumberOfSolutions (unsigned int nSolutions)

void SetNumberOfVectors (unsigned int nVectors)

virtual void SetSolutionValue (unsigned int i, Float value, unsigned int solutionIndex=0)=0

virtual void SetSolutionValue (unsigned int i, Float value, unsigned int solutionIndex)

void SetSystemOrder (unsigned int N)

virtual void SetVectorValue (unsigned int i, Float value, unsigned int vectorIndex=0)=0

virtual void SetVectorValue (unsigned int i, Float value, unsigned int vectorIndex)

virtual void Solve (void)

virtual void SwapMatrices (unsigned int matrixIndex1, unsigned int matrixIndex2)

virtual void SwapSolutions (unsigned int solutionIndex1, unsigned int solutionIndex2)

virtual void SwapVectors (unsigned int vectorIndex1, unsigned int vectorIndex2)

virtual ~LinearSystemWrapperVNL ()

Protected Attributes

unsigned int m_NumberOfMatrices

unsigned int m_NumberOfSolutions

unsigned int m_NumberOfVectors

unsigned int m_Order

Detailed Description

LinearSystemWrapper class that uses VNL numeric library functions to define a sparse linear system of equations.

See also:: LinearSystemWrapper

Definition at line 38 of file itkFEMLinearSystemWrapperVNL.h.

Member Typedef Documentation

typedef std::vector<unsigned int> itk::fem::LinearSystemWrapper::ColumnArray [inherited]

Definition at line 59 of file itkFEMLinearSystemWrapper.h.

typedef const Self* itk::fem::LinearSystemWrapper::ConstPointer [inherited]

Const pointer to an object.

Reimplemented from itk::fem::Solution.

Definition at line 57 of file itkFEMLinearSystemWrapper.h.

typedef LinearSystemWrapper::Float itk::fem::LinearSystemWrapperVNL::Float

Floating point storage type used within a class

Reimplemented from itk::fem::Solution.

Definition at line 43 of file itkFEMLinearSystemWrapperVNL.h.

typedef std::vector< MatrixRepresentation* > itk::fem::LinearSystemWrapperVNL::MatrixHolder

Definition at line 52 of file itkFEMLinearSystemWrapperVNL.h.

typedef vnl_sparse_matrix<Float> itk::fem::LinearSystemWrapperVNL::MatrixRepresentation

Definition at line 49 of file itkFEMLinearSystemWrapperVNL.h.

typedef Self* itk::fem::LinearSystemWrapper::Pointer [inherited]

Pointer to an object.

Reimplemented from itk::fem::Solution.

Definition at line 56 of file itkFEMLinearSystemWrapper.h.

typedef LinearSystemWrapper itk::fem::LinearSystemWrapper::Self [inherited]

Standard "Self" typedef.

Reimplemented from itk::fem::Solution.

Reimplemented in itk::fem::LinearSystemWrapperItpack.

Definition at line 54 of file itkFEMLinearSystemWrapper.h.

typedef Solution itk::fem::LinearSystemWrapper::Superclass [inherited]

Standard "Superclass" typedef.

Reimplemented from itk::fem::Solution.

Reimplemented in itk::fem::LinearSystemWrapperItpack.

Definition at line 55 of file itkFEMLinearSystemWrapper.h.

typedef LinearSystemWrapper itk::fem::LinearSystemWrapperVNL::SuperClass

Definition at line 46 of file itkFEMLinearSystemWrapperVNL.h.

Constructor & Destructor Documentation

itk::fem::LinearSystemWrapperVNL::LinearSystemWrapperVNL ( ) [inline]

Definition at line 55 of file itkFEMLinearSystemWrapperVNL.h.

virtual itk::fem::LinearSystemWrapperVNL::~LinearSystemWrapperVNL ( ) [virtual]

Member Function Documentation

virtual void itk::fem::LinearSystemWrapper::AddMatrixMatrix	(	unsigned int	matrixIndex1,
		unsigned int	matrixIndex2
	)			`[virtual, inherited]`

Adds two matrices storing the result in the first matrix.

Parameters:

	matrixIndex1	index of a matrix to add the other matrix to
	matrixIndex2	index of matrix to add

virtual void itk::fem::LinearSystemWrapper::AddMatrixValue	(	unsigned int	i,
		unsigned int	j,
		Float	value,
		unsigned int	matrixIndex = `0`
	)			`[pure virtual, inherited]`

Virtual function to add a value to a specific element of the A matrix.

Parameters:

	i	row of the element
	j	column of the element
	value	value to add to the existing element
	matrixIndex	index of matrix to add value to

Implemented in itk::fem::LinearSystemWrapperItpack.

virtual void itk::fem::LinearSystemWrapperVNL::AddMatrixValue	(	unsigned int	i,
		unsigned int	j,
		Float	value,
		unsigned int	matrixIndex
	)			`[inline, virtual]`

Definition at line 74 of file itkFEMLinearSystemWrapperVNL.h.

virtual void itk::fem::LinearSystemWrapper::AddSolutionValue	(	unsigned int	i,
		Float	value,
		unsigned int	solutionIndex = `0`
	)			`[pure virtual, inherited]`

Virtual function to add a value of specific element of the solution vector.

Parameters:

	i	element Index in solution vector
	value	new value of the element
	solutionIndex	index of solution vector to add value to

Implemented in itk::fem::LinearSystemWrapperItpack.

virtual void itk::fem::LinearSystemWrapperVNL::AddSolutionValue	(	unsigned int	i,
		Float	value,
		unsigned int	solutionIndex
	)			`[inline, virtual]`

Definition at line 80 of file itkFEMLinearSystemWrapperVNL.h.

virtual void itk::fem::LinearSystemWrapper::AddVectorValue	(	unsigned int	i,
		Float	value,
		unsigned int	vectorIndex = `0`
	)			`[pure virtual, inherited]`

Virtual function to add a value to a specific element of the B vector.

Parameters:

	i	row of the element
	value	value to add to the existing element
	vectorIndex	index of vector to add value to

Implemented in itk::fem::LinearSystemWrapperItpack.

virtual void itk::fem::LinearSystemWrapperVNL::AddVectorValue	(	unsigned int	i,
		Float	value,
		unsigned int	vectorIndex
	)			`[inline, virtual]`

Definition at line 77 of file itkFEMLinearSystemWrapperVNL.h.

virtual void itk::fem::LinearSystemWrapper::AddVectorVector	(	unsigned int	vectorIndex1,
		unsigned int	vectorIndex2
	)			`[virtual, inherited]`

Adds two vectors storing the result in the first vector.

Parameters:

	vectorIndex1	index of a vector to add the other vector to
	vectorIndex2	index of vector to add

virtual void itk::fem::LinearSystemWrapper::Clean ( void ) [virtual, inherited]

Clear all the data (matrices) inside the system, so that the system is ready to solve another problem from scratch.

virtual void itk::fem::LinearSystemWrapper::CopyMatrix	(	unsigned int	matrixIndex1,
		unsigned int	matrixIndex2
	)			`[virtual, inherited]`

Copies the content of source matrix to destination matrix. Any existing data in destination matrix is overwritten.

Parameters:

	matrixIndex1	index of a matrix that will be copied
	matrixIndex2	index of matrix to copy to

virtual void itk::fem::LinearSystemWrapper::CopySolution2Vector	(	unsigned int	solutionIndex,
		unsigned int	vectorIndex
	)			`[pure virtual, inherited]`

Copy a solution vector to a vector

Parameters:

	solutionIndex	index of solution vector to copy
	vectorIndex	index of vector to copy solution to

virtual void itk::fem::LinearSystemWrapperVNL::CopySolution2Vector	(	unsigned	solutionIndex,
		unsigned int	vectorIndex
	)			`[virtual]`

virtual void itk::fem::LinearSystemWrapper::CopyVector	(	unsigned int	vectorSource,
		unsigned int	vectorDestination
	)			`[virtual, inherited]`

Copy a vector

Parameters:

	vectorSource	index of a vector to copy
	vectorDestination	index to copy the vector to

virtual void itk::fem::LinearSystemWrapperVNL::CopyVector2Solution	(	unsigned int	vectorIndex,
		unsigned int	solutionIndex
	)			`[virtual]`

Copy a vector to a solution vector

Parameters:

	vectorIndex	index of a vector to copy
	solutionIndex	index of a solution to copy the solution to

Implements itk::fem::LinearSystemWrapper.

virtual void itk::fem::LinearSystemWrapperVNL::DestroyMatrix ( unsigned int matrixIndex ) [virtual]

Free the memory from a matrix

Parameters:

matrixIndex

index of matrix to destroy

Implements itk::fem::LinearSystemWrapper.

virtual void itk::fem::LinearSystemWrapperVNL::DestroySolution ( unsigned int solutionIndex ) [virtual]

Free teh mememory from a solution vector

Parameters:

solutionIndex

index of solution vector to destroy

Implements itk::fem::LinearSystemWrapper.

virtual void itk::fem::LinearSystemWrapperVNL::DestroyVector ( unsigned int vectorIndex ) [virtual]

Free the memory from a vector

Parameters:

vectorIndex

index of vector to destroy

Implements itk::fem::LinearSystemWrapper.

virtual void itk::fem::LinearSystemWrapper::GetColumnsOfNonZeroMatrixElementsInRow	(	unsigned int	row,
		ColumnArray &	cols,
		unsigned int	matrixIndex = `0`
	)			`[virtual, inherited]`

Returns the column index (zero based) of the i-th non zero (non allocated)element in a given row of A matrix. This function is usefull for optimizations when sparse matrices are used. Note that the value of an element with returned column index may actually be equal zero.

Parameters:

	row	Row number
	cols	Which element in that row. Can range from 0 to number of elements allocated in a row. If this is out of range, the function returns -1.
	matrixIndex	Index of matrix (defaults to 0)

Reimplemented in itk::fem::LinearSystemWrapperItpack.

virtual Float itk::fem::LinearSystemWrapperVNL::GetMatrixValue	(	unsigned int	i,
		unsigned int	j,
		unsigned int	matrixIndex
	)			const `[inline, virtual]`

Virtual function to get a value of a specific element of a matrix.

Parameters:

	i	row of the element
	j	column of the element
	matrixIndex	index of matrix to get value from

Implements itk::fem::LinearSystemWrapper.

Definition at line 72 of file itkFEMLinearSystemWrapperVNL.h.

unsigned int itk::fem::LinearSystemWrapper::GetNumberOfMatrices ( ) [inline, inherited]

Set the maximum number of entries permitted in a matrix

Parameters:

	matrixIndex	index of matrix to set value for
	maxNonZeros	maximum number of entries allowed in matrix

Note:: in general this function does nothing, however it may redefined by the derived wrapper if necessary Get Index of matrices used by system

Definition at line 112 of file itkFEMLinearSystemWrapper.h.

References itk::fem::LinearSystemWrapper::m_NumberOfMatrices.

unsigned int itk::fem::LinearSystemWrapper::GetNumberOfSolutions ( ) [inline, inherited]

Get Index of solutions used by system

Definition at line 134 of file itkFEMLinearSystemWrapper.h.

References itk::fem::LinearSystemWrapper::m_NumberOfSolutions.

unsigned int itk::fem::LinearSystemWrapper::GetNumberOfVectors ( ) [inline, inherited]

Get Index of vectors used by system

Definition at line 123 of file itkFEMLinearSystemWrapper.h.

References itk::fem::LinearSystemWrapper::m_NumberOfVectors.

virtual Float itk::fem::LinearSystemWrapperVNL::GetSolutionValue	(	unsigned int	i,
		unsigned int	solutionIndex
	)			const `[virtual]`

Returns value of i-th element in a solution vector. This value is calculated generalized displacement of the i-th degree of freedom in a FEM problem. Note that in general there may be several solution vectors. You can select which one do you want by passing the second parameter.

Parameters:

	i	element index in solution vector
	solutionIndex	index of solution vector to get value from

Note:: If the solution vector doesn't exist (problem was not yet solved), or the index i is out of range, the function returns 0.0.

Implements itk::fem::Solution.

unsigned int itk::fem::LinearSystemWrapper::GetSystemOrder ( ) const [inline, inherited]

Get the order of the system

Definition at line 92 of file itkFEMLinearSystemWrapper.h.

References itk::fem::LinearSystemWrapper::m_Order.

virtual Float itk::fem::LinearSystemWrapperVNL::GetVectorValue	(	unsigned int	i,
		unsigned int	vectorIndex
	)			const `[inline, virtual]`

Virtual function to get a value of a specific element of the B vector.

Parameters:

	i	row of the element
	vectorIndex	index of vector to get value from

Implements itk::fem::LinearSystemWrapper.

Definition at line 75 of file itkFEMLinearSystemWrapperVNL.h.

virtual void itk::fem::LinearSystemWrapperVNL::InitializeMatrix ( unsigned int matrixIndex ) [virtual]

Initialization of the A matrix. First any existing data for matrix A must be be destroyed, and then a new matrix is created in the memory. All elements in A must be set to zero.

Parameters:

matrixIndex

index of matrix to initialize

Implements itk::fem::LinearSystemWrapper.

virtual void itk::fem::LinearSystemWrapperVNL::InitializeSolution ( unsigned int solutionIndex ) [virtual]

Initialization of a solution vector. Existing memory must be destroyed and the new solution vector is created in memory. All values should be set to zero.

Parameters:

solutionIndex

index of solution vector to initialize

Implements itk::fem::LinearSystemWrapper.

virtual void itk::fem::LinearSystemWrapperVNL::InitializeVector ( unsigned int vectorIndex ) [virtual]

Initialization of the a vector. First any existing data for vector B must be destroyed, then new vector is created in the memory. All elements in B must be set to zero.

Implements itk::fem::LinearSystemWrapper.

virtual bool itk::fem::LinearSystemWrapperVNL::IsMatrixInitialized ( unsigned int matrixIndex ) [virtual]

Check to see if matrix is initialized

Parameters:

matrixIndex

index of matrix to examine

Implements itk::fem::LinearSystemWrapper.

virtual bool itk::fem::LinearSystemWrapperVNL::IsSolutionInitialized ( unsigned int solutionIndex ) [virtual]

Check to see if solution vector is initialized

Parameters:

solutionIndex

index of solution vector to examine

Implements itk::fem::LinearSystemWrapper.

virtual bool itk::fem::LinearSystemWrapperVNL::IsVectorInitialized ( unsigned int vectorIndex ) [virtual]

Check to see if vector is initialized

Parameters:

vectorIndex

vector of index to examine

Implements itk::fem::LinearSystemWrapper.

virtual void itk::fem::LinearSystemWrapperVNL::MultiplyMatrixMatrix	(	unsigned int	resultMatrixIndex,
		unsigned int	leftMatrixIndex,
		unsigned int	rightMatrixIndex
	)			`[virtual]`

Perform a matrix*matrix operation and store the result in the linear system

Parameters:

	leftMatrixIndex	index of left matrix
	rightMatrixIndex	index of right matrix
	resultMatrixIndex	index of matrix where solution is stored

Implements itk::fem::LinearSystemWrapper.

virtual void itk::fem::LinearSystemWrapperVNL::MultiplyMatrixVector	(	unsigned int	resultVectorIndex,
		unsigned int	matrixIndex,
		unsigned int	vectorIndex
	)			`[virtual]`

Perform a matrix*vector operation and store the result in the linear system

Parameters:

	matrixIndex	index of matrix to multiply
	vectorIndex	index of vector to multiply
	resultVectorIndex	index of vector where result is store

Reimplemented from itk::fem::LinearSystemWrapper.

virtual void itk::fem::LinearSystemWrapper::OptimizeMatrixStorage	(	unsigned int	matrixIndex,
		unsigned int	tempMatrixIndex
	)			`[virtual, inherited]`

Remove all zeros from a matrix

Parameters:

	matrixIndex	index of matrix to remove zeros from
	tempMatrixIndex	index of matrix to use for temp storage space

Note:: an extra matrix must be allocated by the solver in order to use this method

virtual void itk::fem::LinearSystemWrapper::ReverseCuthillMckeeOrdering	(	ColumnArray &	newNumbering,
		unsigned int	matrixIndex = `0`
	)			`[virtual, inherited]`

Reorder the Degrees of Freedom in order to reduce bandwidth of matrix

Parameters:

	matrixIndex	index of matrix to examine
	newNumbering	vector of new degree of freedom ordering

virtual void itk::fem::LinearSystemWrapper::ScaleMatrix	(	Float	scale,
		unsigned int	matrixIndex = `0`
	)			`[virtual, inherited]`

Multiplies all elements of a matrix by a scalar

Parameters:

	scale	scalar to multiply all matrix values by
	matrixIndex	index of matrix to modify

Reimplemented in itk::fem::LinearSystemWrapperItpack.

virtual void itk::fem::LinearSystemWrapperVNL::ScaleMatrix	(	Float	scale,
		unsigned int	matrixIndex
	)			`[virtual]`

void itk::fem::LinearSystemWrapper::ScaleSolution	(	Float	scale,
		unsigned int	solutionIndex = `0`
	)			`[inherited]`

Multiplies all elements of a solution by a scalar

Parameters:

	scale	scalar to multiply all solution values by
	solutionIndex	index of solution to modify

void itk::fem::LinearSystemWrapper::ScaleVector	(	Float	scale,
		unsigned int	vectorIndex = `0`
	)			`[inherited]`

Multiplies all elements of a vector by a scalar

Parameters:

	scale	scalar to multiply all vector values by
	vectorIndex	index of vector to modify

virtual void itk::fem::LinearSystemWrapper::SetMatrixValue	(	unsigned int	i,
		unsigned int	j,
		Float	value,
		unsigned int	matrixIndex = `0`
	)			`[pure virtual, inherited]`

Virtual function to set a value of a specific element of the A matrix.

Parameters:

	i	row of the element
	j	column of the element
	value	new value of the element
	matrixIndex	index of matrix to set value in

Implemented in itk::fem::LinearSystemWrapperItpack.

virtual void itk::fem::LinearSystemWrapperVNL::SetMatrixValue	(	unsigned int	i,
		unsigned int	j,
		Float	value,
		unsigned int	matrixIndex
	)			`[inline, virtual]`

Definition at line 73 of file itkFEMLinearSystemWrapperVNL.h.

virtual void itk::fem::LinearSystemWrapperVNL::SetMaximumNonZeroValuesInMatrix	(	unsigned	int,
		unsigned	int
	)			`[inline, virtual]`

Definition at line 68 of file itkFEMLinearSystemWrapperVNL.h.

void itk::fem::LinearSystemWrapper::SetNumberOfMatrices ( unsigned int nMatrices ) [inline, inherited]

Set Index of matrices used by the system

Parameters:

nMatrices

Index of matrices used by system

Definition at line 98 of file itkFEMLinearSystemWrapper.h.

References itk::fem::LinearSystemWrapper::m_NumberOfMatrices.

void itk::fem::LinearSystemWrapper::SetNumberOfSolutions ( unsigned int nSolutions ) [inline, inherited]

Set Index of solutions used by the system

Parameters:

nSolutions

Index of solutions used by system

Definition at line 129 of file itkFEMLinearSystemWrapper.h.

References itk::fem::LinearSystemWrapper::m_NumberOfSolutions.

void itk::fem::LinearSystemWrapper::SetNumberOfVectors ( unsigned int nVectors ) [inline, inherited]

Set Index of vectors used by the system

Parameters:

nVectors

Index of vectors used by system

Definition at line 118 of file itkFEMLinearSystemWrapper.h.

References itk::fem::LinearSystemWrapper::m_NumberOfVectors.

virtual void itk::fem::LinearSystemWrapper::SetSolutionValue	(	unsigned int	i,
		Float	value,
		unsigned int	solutionIndex = `0`
	)			`[pure virtual, inherited]`

Virtual function to set a value of specific element of the solution vector.

Parameters:

	i	element Index in solution vector
	value	new value of the element
	solutionIndex	index of solution vector to set value in

Implemented in itk::fem::LinearSystemWrapperItpack.

virtual void itk::fem::LinearSystemWrapperVNL::SetSolutionValue	(	unsigned int	i,
		Float	value,
		unsigned int	solutionIndex
	)			`[inline, virtual]`

Definition at line 79 of file itkFEMLinearSystemWrapperVNL.h.

void itk::fem::LinearSystemWrapper::SetSystemOrder ( unsigned int N ) [inline, inherited]

Set the order of the system. All matrices will be of size NxN and all vectors will be of size N

Parameters:

N

order of the linear system

Definition at line 87 of file itkFEMLinearSystemWrapper.h.

References itk::fem::LinearSystemWrapper::m_Order.

virtual void itk::fem::LinearSystemWrapper::SetVectorValue	(	unsigned int	i,
		Float	value,
		unsigned int	vectorIndex = `0`
	)			`[pure virtual, inherited]`

Virtual function to set a value of a specific element of the B vector.

Parameters:

	i	row of the element
	value	new value of the element
	vectorIndex	index of vector to set value in

Implemented in itk::fem::LinearSystemWrapperItpack.

virtual void itk::fem::LinearSystemWrapperVNL::SetVectorValue	(	unsigned int	i,
		Float	value,
		unsigned int	vectorIndex
	)			`[inline, virtual]`

Definition at line 76 of file itkFEMLinearSystemWrapperVNL.h.

virtual void itk::fem::LinearSystemWrapperVNL::Solve ( void ) [virtual]

Solves the linear system and creates the solution vector, which can later be accessed via GetSolutionValue(i,SolutionIndex) member function. Here all the major processing is done with calls to external numeric library.

Note:: This function can only be called after the linear system was properly assembled.

Implements itk::fem::LinearSystemWrapper.

virtual void itk::fem::LinearSystemWrapperVNL::SwapMatrices	(	unsigned int	matrixIndex1,
		unsigned int	matrixIndex2
	)			`[virtual]`

Swaps access indices of any 2 matrices in the linear system

Parameters:

	matrixIndex1	index of a matrix to swap
	matrixIndex2	index of matrix to swap with

Implements itk::fem::LinearSystemWrapper.

virtual void itk::fem::LinearSystemWrapperVNL::SwapSolutions	(	unsigned int	solutionIndex1,
		unsigned int	solutionIndex2
	)			`[virtual]`

Swaps access indices of any 2 solution vectors in the linear system

Parameters:

	solutionIndex1	index of a solution vector to swap
	solutionIndex2	index of solution vector to swap with

Implements itk::fem::LinearSystemWrapper.

virtual void itk::fem::LinearSystemWrapperVNL::SwapVectors	(	unsigned int	vectorIndex1,
		unsigned int	vectorIndex2
	)			`[virtual]`

Swaps access indices of any 2 vectors in the linear system

Parameters:

	vectorIndex1	index of a vector to swap
	vectorIndex2	index of vector to swap with

Implements itk::fem::LinearSystemWrapper.

Member Data Documentation

unsigned int itk::fem::LinearSystemWrapper::m_NumberOfMatrices [protected, inherited]

Number of matrices used by system

Definition at line 418 of file itkFEMLinearSystemWrapper.h.

Referenced by itk::fem::LinearSystemWrapper::GetNumberOfMatrices(), and itk::fem::LinearSystemWrapper::SetNumberOfMatrices().

unsigned int itk::fem::LinearSystemWrapper::m_NumberOfSolutions [protected, inherited]

Number of solutions used by system

Definition at line 428 of file itkFEMLinearSystemWrapper.h.

Referenced by itk::fem::LinearSystemWrapper::GetNumberOfSolutions(), and itk::fem::LinearSystemWrapper::SetNumberOfSolutions().

unsigned int itk::fem::LinearSystemWrapper::m_NumberOfVectors [protected, inherited]

Number of vectors used by system

Definition at line 423 of file itkFEMLinearSystemWrapper.h.

Referenced by itk::fem::LinearSystemWrapper::GetNumberOfVectors(), and itk::fem::LinearSystemWrapper::SetNumberOfVectors().

unsigned int itk::fem::LinearSystemWrapper::m_Order [protected, inherited]

Order of linear system

Definition at line 413 of file itkFEMLinearSystemWrapper.h.

Referenced by itk::fem::LinearSystemWrapper::GetSystemOrder(), and itk::fem::LinearSystemWrapper::SetSystemOrder().

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

itkFEMLinearSystemWrapperVNL.h


Public Types
typedef std::vector< unsigned int >	ColumnArray
typedef const Self *	ConstPointer
typedef LinearSystemWrapper::Float	Float
typedef std::vector < MatrixRepresentation * >	MatrixHolder
typedef vnl_sparse_matrix< Float >	MatrixRepresentation
typedef Self *	Pointer
typedef LinearSystemWrapper	Self
typedef Solution	Superclass
typedef LinearSystemWrapper	SuperClass
Public Member Functions
virtual void	AddMatrixMatrix (unsigned int matrixIndex1, unsigned int matrixIndex2)
virtual void	AddMatrixValue (unsigned int i, unsigned int j, Float value, unsigned int matrixIndex=0)=0
virtual void	AddMatrixValue (unsigned int i, unsigned int j, Float value, unsigned int matrixIndex)
virtual void	AddSolutionValue (unsigned int i, Float value, unsigned int solutionIndex=0)=0
virtual void	AddSolutionValue (unsigned int i, Float value, unsigned int solutionIndex)
virtual void	AddVectorValue (unsigned int i, Float value, unsigned int vectorIndex=0)=0
virtual void	AddVectorValue (unsigned int i, Float value, unsigned int vectorIndex)
virtual void	AddVectorVector (unsigned int vectorIndex1, unsigned int vectorIndex2)
virtual void	Clean (void)
virtual void	CopyMatrix (unsigned int matrixIndex1, unsigned int matrixIndex2)
virtual void	CopySolution2Vector (unsigned int solutionIndex, unsigned int vectorIndex)=0
virtual void	CopySolution2Vector (unsigned solutionIndex, unsigned int vectorIndex)
virtual void	CopyVector (unsigned int vectorSource, unsigned int vectorDestination)
virtual void	CopyVector2Solution (unsigned int vectorIndex, unsigned int solutionIndex)
virtual void	DestroyMatrix (unsigned int matrixIndex)
virtual void	DestroySolution (unsigned int solutionIndex)
virtual void	DestroyVector (unsigned int vectorIndex)
virtual void	GetColumnsOfNonZeroMatrixElementsInRow (unsigned int row, ColumnArray &cols, unsigned int matrixIndex=0)
virtual Float	GetMatrixValue (unsigned int i, unsigned int j, unsigned int matrixIndex) const
unsigned int	GetNumberOfMatrices ()
unsigned int	GetNumberOfSolutions ()
unsigned int	GetNumberOfVectors ()
virtual Float	GetSolutionValue (unsigned int i, unsigned int solutionIndex) const
unsigned int	GetSystemOrder () const
virtual Float	GetVectorValue (unsigned int i, unsigned int vectorIndex) const
virtual void	InitializeMatrix (unsigned int matrixIndex)
virtual void	InitializeSolution (unsigned int solutionIndex)
virtual void	InitializeVector (unsigned int vectorIndex)
virtual bool	IsMatrixInitialized (unsigned int matrixIndex)
virtual bool	IsSolutionInitialized (unsigned int solutionIndex)
virtual bool	IsVectorInitialized (unsigned int vectorIndex)
	LinearSystemWrapperVNL ()
virtual void	MultiplyMatrixMatrix (unsigned int resultMatrixIndex, unsigned int leftMatrixIndex, unsigned int rightMatrixIndex)
virtual void	MultiplyMatrixVector (unsigned int resultVectorIndex, unsigned int matrixIndex, unsigned int vectorIndex)
virtual void	OptimizeMatrixStorage (unsigned int matrixIndex, unsigned int tempMatrixIndex)
virtual void	ReverseCuthillMckeeOrdering (ColumnArray &newNumbering, unsigned int matrixIndex=0)
virtual void	ScaleMatrix (Float scale, unsigned int matrixIndex=0)
virtual void	ScaleMatrix (Float scale, unsigned int matrixIndex)
void	ScaleSolution (Float scale, unsigned int solutionIndex=0)
void	ScaleVector (Float scale, unsigned int vectorIndex=0)
virtual void	SetMatrixValue (unsigned int i, unsigned int j, Float value, unsigned int matrixIndex=0)=0
virtual void	SetMatrixValue (unsigned int i, unsigned int j, Float value, unsigned int matrixIndex)
virtual void	SetMaximumNonZeroValuesInMatrix (unsigned int, unsigned int)
void	SetNumberOfMatrices (unsigned int nMatrices)
void	SetNumberOfSolutions (unsigned int nSolutions)
void	SetNumberOfVectors (unsigned int nVectors)
virtual void	SetSolutionValue (unsigned int i, Float value, unsigned int solutionIndex=0)=0
virtual void	SetSolutionValue (unsigned int i, Float value, unsigned int solutionIndex)
void	SetSystemOrder (unsigned int N)
virtual void	SetVectorValue (unsigned int i, Float value, unsigned int vectorIndex=0)=0
virtual void	SetVectorValue (unsigned int i, Float value, unsigned int vectorIndex)
virtual void	Solve (void)
virtual void	SwapMatrices (unsigned int matrixIndex1, unsigned int matrixIndex2)
virtual void	SwapSolutions (unsigned int solutionIndex1, unsigned int solutionIndex2)
virtual void	SwapVectors (unsigned int vectorIndex1, unsigned int vectorIndex2)
virtual	~LinearSystemWrapperVNL ()
Protected Attributes
unsigned int	m_NumberOfMatrices
unsigned int	m_NumberOfSolutions
unsigned int	m_NumberOfVectors
unsigned int	m_Order