Dumux::EntityExchanger< GridView, AmgTraits > Class Template Reference

Helper class for adding up matrix entries on border. More...

#include <dumux/linear/amgparallelhelpers.hh>

Description

template<class GridView, class AmgTraits>
class Dumux::EntityExchanger< GridView, AmgTraits >

Helper class for adding up matrix entries on border.

Template Parameters

GridView	The grid view to work on
AmgTraits	traits class

Classes
class	MatPatternExchange
	A DataHandle class to exchange matrix sparsity patterns. More...
struct	MatEntry
	Local matrix blocks associated with the global id set. More...
class	MatEntryExchange
	A DataHandle class to exchange matrix entries. More...

Public Member Functions
	EntityExchanger (const GridView &gridView, const DofMapper &mapper)
	Constructor. Sets up the local to global relations.
void	getExtendedMatrix (Matrix &A, const ParallelISTLHelper< GridView, AmgTraits > &helper)
	communicates values for the sparsity pattern of the new matrix.
void	sumEntries (Matrix &A)
	Sums up the entries corresponding to border vertices.
void	getExtendedMatrix (Matrix &A) const
	Extends the sparsity pattern of the discretization matrix for AMG.

Constructor & Destructor Documentation

EntityExchanger()

template<class GridView, class AmgTraits>

Dumux::EntityExchanger< GridView, AmgTraits >::EntityExchanger ( const GridView & gridView, const DofMapper & mapper )

inline

Constructor. Sets up the local to global relations.

Parameters

[in]	gridView	The gridView on which we are operating
[in]	mapper	The local dof mapper

Member Function Documentation

getExtendedMatrix() [1/2]

template<class GridView, class AmgTraits>

void Dumux::EntityExchanger< GridView, AmgTraits >::getExtendedMatrix

(

Matrix &

A

)

const

Extends the sparsity pattern of the discretization matrix for AMG.

Parameters

A	A reference to the matrix to change.

getExtendedMatrix() [2/2]

template<class GridView, class AmgTraits>

void Dumux::EntityExchanger< GridView, AmgTraits >::getExtendedMatrix ( Matrix & A, const ParallelISTLHelper< GridView, AmgTraits > & helper )

inline

communicates values for the sparsity pattern of the new matrix.

Parameters

A	Matrix to operate on.
helper	ParallelelISTLHelper.

sumEntries()

template<class GridView, class AmgTraits>

void Dumux::EntityExchanger< GridView, AmgTraits >::sumEntries ( Matrix & A )

inline

Sums up the entries corresponding to border vertices.

Parameters

A	Matrix to operate on.

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

• amgparallelhelpers.hh