Dune::Fem::SparseRowLinearOperator< DomainFunction, RangeFunction, Matrix > Struct Template Reference

SparseRowLinearOperator. More...

#include <dune/fem/operator/linear/spoperator.hh>

Public Types
typedef DomainFunction	DomainFunctionType
	type of discrete function in the operator's domain
typedef RangeFunction	RangeFunctionType
	type of discrete function in the operator's range
typedef DomainFunction::RangeFieldType	DomainFieldType
	field type of the operator's domain
typedef RangeFunction::RangeFieldType	RangeFieldType
	field type of the operator's range

Public Member Functions
virtual void	operator() (const DomainFunction &arg, RangeFunction &dest) const
	application operator More...
virtual void	finalize ()
	finalization of operator More...
template<class DomainFunction , class RangeFunction >
void	apply (const DomainFunction &arg, RangeFunction &dest) const
	apply matrix to discrete function
MatrixType &	exportMatrix () const
	get reference to storage object
const DomainSpaceType &	domainSpace () const
	get domain space (i.e. space that builds the rows)
const RangeSpaceType &	rangeSpace () const
	get range space (i.e. space that builds the columns)
ObjectType *	newObject () const
	interface method from LocalMatrixFactory
LocalMatrixType	localMatrix (const DomainEntityType &domainEntity, const RangeEntityType &rangeEntity) const
LocalMatrixType	localMatrix () const
LocalColumnObjectType	localColumn (const DomainEntityType &domainEntity) const
	get local column
void	compress ()
	compress matrix to a real CRS format
void	reserve (const Stencil &stencil, bool verbose=false)
	reserve memory
void	extractDiagonal (DiscreteFunctionType &diag) const
void	resort ()
	resort row numbering in matrix to have ascending numbering
virtual void	flushAssembly ()
	commit intermediate states of linear operator assembly
void	beginAssemble ()
	Initiate the assemble of values using the LocalContribution concept. More...
void	endAssemble ()
	Finalize the assemble of values using the LocalContribution concept. More...
virtual bool	symmetric () const
virtual bool	positiveDefinite () const

Protected Member Functions
MatrixType &	matrix () const
	get reference to storage object, for internal use

Detailed Description

template<class DomainFunction, class RangeFunction, class Matrix = SparseRowMatrix< typename DomainFunction::DiscreteFunctionSpaceType::RangeFieldType >>
struct Dune::Fem::SparseRowLinearOperator< DomainFunction, RangeFunction, Matrix >

SparseRowLinearOperator.

Member Function Documentation

beginAssemble()

void Dune::Fem::AssembledOperator< DomainFunction, RangeFunction >::beginAssemble ( )

inlineinherited

Initiate the assemble of values using the LocalContribution concept.

Template Parameters

AssembleOperation

the specific operation (Add, Set, ...)

endAssemble()

void Dune::Fem::AssembledOperator< DomainFunction, RangeFunction >::endAssemble ( )

inlineinherited

Finalize the assemble of values using the LocalContribution concept.

Template Parameters

AssembleOperation

the specific operation (Add, Set, ...)

extractDiagonal()

void Dune::Fem::SparseRowMatrixObject< DomainFunction::DiscreteFunctionSpaceType , RangeFunction::DiscreteFunctionSpaceType , SparseRowMatrix< typename DomainFunction::DiscreteFunctionSpaceType::RangeFieldType > >::extractDiagonal ( DiscreteFunctionType &  diag ) const

inlineinherited

extract diagonal entries from matrix into discrete function this only works for square matrices

finalize()

template<class DomainFunction , class RangeFunction , class Matrix = SparseRowMatrix< typename DomainFunction::DiscreteFunctionSpaceType::RangeFieldType >>

virtual void Dune::Fem::SparseRowLinearOperator< DomainFunction, RangeFunction, Matrix >::finalize ( )

inlinevirtual

finalization of operator

Note

The default implementation is empty.

Reimplemented from Dune::Fem::Operator< DomainFunction, RangeFunction >.

References Dune::Fem::SparseRowMatrixObject< DomainSpace, RangeSpace, Matrix >::compress().

localMatrix() [1/2]

LocalMatrixType Dune::Fem::SparseRowMatrixObject< DomainFunction::DiscreteFunctionSpaceType , RangeFunction::DiscreteFunctionSpaceType , SparseRowMatrix< typename DomainFunction::DiscreteFunctionSpaceType::RangeFieldType > >::localMatrix ( ) const

inlineinherited

Deprecated:

Use TemporaryLocalMatrix in combination with {add,set,get}LocalMatrix on matrix object return local matrix object

localMatrix() [2/2]

LocalMatrixType Dune::Fem::SparseRowMatrixObject< DomainFunction::DiscreteFunctionSpaceType , RangeFunction::DiscreteFunctionSpaceType , SparseRowMatrix< typename DomainFunction::DiscreteFunctionSpaceType::RangeFieldType > >::localMatrix ( const DomainEntityType &  domainEntity, const RangeEntityType &  rangeEntity  ) const

inlineinherited

Deprecated:

Use TemporaryLocalMatrix in combination with {add,set,get}LocalMatrix on matrix object return local matrix object

nonlinear()

virtual bool Dune::Fem::LinearOperator< DomainFunction, RangeFunction >::nonlinear ( ) const

inlinevirtualinherited

Return true if the Operator is nonlinear and false otherwise (default is true).

Reimplemented from Dune::Fem::Operator< DomainFunction, RangeFunction >.

operator()()

template<class DomainFunction , class RangeFunction , class Matrix = SparseRowMatrix< typename DomainFunction::DiscreteFunctionSpaceType::RangeFieldType >>

virtual void Dune::Fem::SparseRowLinearOperator< DomainFunction, RangeFunction, Matrix >::operator() ( const DomainFunction &  u, RangeFunction &  w  ) const

inlinevirtual

application operator

Parameters

[in]	u	argument discrete function
[out]	w	destination discrete function

Note

This method has to be implemented by all derived classes.

Implements Dune::Fem::Operator< DomainFunction, RangeFunction >.

References Dune::Fem::SparseRowLinearOperator< DomainFunction, RangeFunction, Matrix >::apply().

positiveDefinite()

virtual bool Dune::Fem::LinearOperator< DomainFunction, RangeFunction >::positiveDefinite ( ) const

inlinevirtualinherited

Return true if the Operator is positive definite.

symmetric()

virtual bool Dune::Fem::LinearOperator< DomainFunction, RangeFunction >::symmetric ( ) const

inlinevirtualinherited

Return true if the Operator is symmetric.

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

• dune/fem/operator/linear/spoperator.hh