ISTLBCRSMatrix< T, CommType > Class Template Reference

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.

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

• /home/user/documentation/docs/amdis/repository/amdis/linearalgebra/istl/MatrixBackend.hpp