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

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

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