Public Types
using	BaseMatrix = Dune::BCRSMatrix< typename BlockMatrixType< T >::type >
	The matrix type of the underlying base matrix.

using	Comm = CommType
	Communication type.

using	value_type = typename BaseMatrix::block_type
	The type of the elements of the DOFMatrix.

using	size_type = typename BaseMatrix::size_type
	The index/size - type.

Public Member Functions
	ISTLBCRSMatrix (Comm const &comm, Comm const &)
	Constructor. Constructs new BaseVector.

BaseMatrix const &	matrix () const
	Return the data-vector vector.

BaseMatrix &	matrix ()
	Return the data-vector vector.

Comm const &	comm () const

void	init (SparsityPattern const &pattern)
	Create occupation pattern and apply it to the matrix.

void	init ()
	Set all entries to zero while keeping the occupation pattern intact.

void	finish ()

void	insert (size_type r, size_type c, value_type const &value)
	Insert a single value into the matrix (add to existing value)

template<class Ind , class LocalMat >
void	scatter (Ind const &idx, LocalMat const &mat)

template<class RowInd , class ColInd , class LocalMat >
void	scatter (RowInd const &rows, ColInd const &cols, LocalMat const &mat)

template<class RowInd >
void	zeroRows (RowInd const &rowInd, bool diag)
	Set all entries of the specified rows to zero and the diagonal element to `diag`

template<class RowInd , class ColInd >
void	zeroRows (RowInd const &rowInd, ColInd const &colInd, bool diag)
	Set all entries of the specified rows to zero and the diagonal element to `diag`

template<class RowInd , class ColInd >
void	zeroRowsColumnsImpl (RowInd const &rowInd, ColInd const &colInd, bool diag, ISTLBlockVector< T > const x=nullptr, ISTLBlockVector< T > b=nullptr)
	Set all entries of the specified rows and columns to zero and the diagonal element to `diag`

template<class RowInd >
void	zeroRowsColumns (RowInd const &rowInd, bool diag)

template<class RowInd >
void	zeroRowsColumns (RowInd const &rowInd, bool diag, ISTLBlockVector< T > const &x, ISTLBlockVector< T > &b)

template<class RowInd , class ColInd >
void	zeroRowsColumns (RowInd const &rowInd, ColInd const &colInd, bool diag)

template<class RowInd , class ColInd >
void	zeroRowsColumns (RowInd const &rowInd, ColInd const &colInd, bool diag, ISTLBlockVector< T > const &x, ISTLBlockVector< T > &b)

std::size_t	nnz () const
	Return the number of entries allocated in the sparsity pattern of the matrix.

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

/home/docs/checkouts/readthedocs.org/user_builds/amdis/checkouts/latest/amdis/linearalgebra/istl/MatrixBackend.hpp

Public Types

Public Member Functions