Dune::Fem::SparseRowMatrixObject< DomainSpace, RangeSpace, Matrix >::LocalMatrix< MatrixObject > Class Template Reference

LocalMatrix. More...

#include <dune/fem/operator/matrix/spmatrix.hh>

Public Types
typedef MatrixObject	MatrixObjectType
	type of matrix object
typedef LocalMatrixTraits< MatrixObjectType >	Traits
	type of the traits
typedef MatrixObjectType::MatrixType	MatrixType
	type of matrix
typedef Traits::RangeFieldType	RangeFieldType
	type of entries of little blocks
typedef RangeFieldType	DofType
	type of the DoFs
typedef Traits::LittleBlockType	LittleBlockType
	type of little blocks
typedef Traits::DomainMapperType	DomainMapperType
	type of nonblocked domain mapper
typedef Traits::RangeMapperType	RangeMapperType
	type of nonblocked domain mapper
typedef ThisType	LocalMatrixInterfaceType
	type of this interface
typedef Traits::LocalMatrixType	LocalMatrixType
	type of local matrix implementation

Public Member Functions
	LocalMatrix (const MatrixObjectType &matrixObject, const DomainSpaceType &domainSpace, const RangeSpaceType &rangeSpace, const DomainMapperType &domainMapper, const RangeMapperType &rangeMapper)
	constructor
size_type	rows () const
	return number of rows
size_type	columns () const
	return number of columns
void	add (size_type localRow, size_type localCol, DofType value)
	add value to matrix entry
DofType	get (size_type localRow, size_type localCol) const
	get matrix entry
void	set (size_type localRow, size_type localCol, DofType value)
	set matrix entry to value
void	unitRow (size_type localRow)
	set matrix row to zero except diagonla entry
void	clearRow (size_type localRow)
	set matrix row to zero
void	clearCol (size_type localCol)
	set matrix column to zero
void	clear ()
	clear all entries belonging to local matrix
void	resort ()
	resort all global rows of matrix to have ascending numbering
void	scale (const DofType &value)
	scale local matrix with a certain value
void	bind (const DomainEntityType &domainEntity, const RangeEntityType &rangeEntity)
	initialize the local matrix to entities More...
void	unbind ()
	clear local matrix from entities More...
void	finalize ()
	finalize local matrix setup and possibly add values to real matrix More...
const DomainSpaceType &	domainSpace () const
	access to the domain space More...
const RangeSpaceType &	rangeSpace () const
	access to the range space More...
const DomainBasisFunctionSetType &	domainBasisFunctionSet () const
	access to the base function set within the domain space More...
const RangeBasisFunctionSetType &	rangeBasisFunctionSet () const
	access to the base function set within the range space More...
void	multiplyAdd (const DomainLocalFunctionType &lhs, RangeLocalFunctionType &rhs) const
	multiply left hand side with local matrix and add to right hand side rhs += Matrix * lhs More...
void	clearRow (const int localRow)
	set row to zero values More...
void	clearCol (const int localCol)
	ser column entries to zero More...
void	add (const int localRow, const int localCol, const RangeFieldType &value)
	add value to matrix entry (row,col) where row and col are local row and local column More...
void	set (const int localRow, const int localCol, const RangeFieldType &value)
	set value of matrix entry (row,col) where row and col are local row and local column More...
const RangeFieldType	get (const int localRow, const int localCol) const
	get value of matrix entry (row,col) where row and col are local row and local column More...
void	scale (const RangeFieldType &scalar)
	scale matrix with scalar value More...
MatrixColumnType	column (const unsigned int col)
	return column object for local matrix which contains axpy methods for convenience More...

Protected Member Functions
void	scale (size_type localRow, size_type localCol, DofType value)
	scale matrix entry with value

Detailed Description

template<class DomainSpace, class RangeSpace, class Matrix = SparseRowMatrix< typename DomainSpace::RangeFieldType >>
template<class MatrixObject>
class Dune::Fem::SparseRowMatrixObject< DomainSpace, RangeSpace, Matrix >::LocalMatrix< MatrixObject >

LocalMatrix.

Member Function Documentation

add()

void Dune::Fem::LocalMatrixInterface< LocalMatrixTraits< MatrixObject > >::add ( const int  localRow, const int  localCol, const RangeFieldType &  value  )

inlineinherited

add value to matrix entry (row,col) where row and col are local row and local column

Parameters

[in]	localRow	local row
[in]	localCol	local column
[in]	value	value to add

bind()

void Dune::Fem::LocalMatrixDefault< LocalMatrixTraits< MatrixObject > >::bind ( const DomainEntityType &  domainEntity, const RangeEntityType &  rangeEntity  )

inlineinherited

initialize the local matrix to entities

Parameters

[in]	domainEntity	entity within grid of domain space,
[in]	rangeEntity	entity within grid of range space

clearCol()

void Dune::Fem::LocalMatrixDefault< LocalMatrixTraits< MatrixObject > >::clearCol ( const int  localCol )

inlineinherited

ser column entries to zero

Parameters

[in]

localCol

local column that is set to zero

clearRow()

void Dune::Fem::LocalMatrixDefault< LocalMatrixTraits< MatrixObject > >::clearRow ( const int  localRow )

inlineinherited

set row to zero values

Parameters

[in]

localRow

local row that is set to zero

column()

MatrixColumnType Dune::Fem::LocalMatrixInterface< LocalMatrixTraits< MatrixObject > >::column ( const unsigned int  col )

inlineinherited

return column object for local matrix which contains axpy methods for convenience

Parameters

col	local column number

Returns

object of type MatrixColumnObject

domainBasisFunctionSet()

const DomainBasisFunctionSetType & Dune::Fem::LocalMatrixDefault< LocalMatrixTraits< MatrixObject > >::domainBasisFunctionSet ( ) const

inlineinherited

access to the base function set within the domain space

domainSpace()

const DomainSpaceType & Dune::Fem::LocalMatrixDefault< LocalMatrixTraits< MatrixObject > >::domainSpace ( ) const

inlineinherited

access to the domain space

finalize()

void Dune::Fem::LocalMatrixDefault< LocalMatrixTraits< MatrixObject > >::finalize ( )

inlineinherited

finalize local matrix setup and possibly add values to real matrix

get()

const RangeFieldType Dune::Fem::LocalMatrixInterface< LocalMatrixTraits< MatrixObject > >::get ( const int  localRow, const int  localCol  ) const

inlineinherited

get value of matrix entry (row,col) where row and col are local row and local column

Parameters

[in]	localRow	local row
[in]	localCol	local column

Returns

value of matrix entry

multiplyAdd()

void Dune::Fem::LocalMatrixDefault< LocalMatrixTraits< MatrixObject > >::multiplyAdd ( const DomainLocalFunctionType &  lhs, RangeLocalFunctionType &  rhs  ) const

inlineinherited

multiply left hand side with local matrix and add to right hand side rhs += Matrix * lhs

Parameters

[in]	lhs	left hand side
[out]	rhs	right hand side

rangeBasisFunctionSet()

const RangeBasisFunctionSetType & Dune::Fem::LocalMatrixDefault< LocalMatrixTraits< MatrixObject > >::rangeBasisFunctionSet ( ) const

inlineinherited

access to the base function set within the range space

rangeSpace()

const RangeSpaceType & Dune::Fem::LocalMatrixDefault< LocalMatrixTraits< MatrixObject > >::rangeSpace ( ) const

inlineinherited

access to the range space

scale()

void Dune::Fem::LocalMatrixInterface< LocalMatrixTraits< MatrixObject > >::scale ( const RangeFieldType &  scalar )

inlineinherited

scale matrix with scalar value

Parameters

[in]

scalar

scalar value that scales the matrix

set()

void Dune::Fem::LocalMatrixInterface< LocalMatrixTraits< MatrixObject > >::set ( const int  localRow, const int  localCol, const RangeFieldType &  value  )

inlineinherited

set value of matrix entry (row,col) where row and col are local row and local column

Parameters

[in]	localRow	local row
[in]	localCol	local column
[in]	value	value to set

unbind()

void Dune::Fem::LocalMatrixDefault< LocalMatrixTraits< MatrixObject > >::unbind ( )

inlineinherited

clear local matrix from entities

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

• dune/fem/operator/matrix/spmatrix.hh