The basic container that stores a base matrix. More...

#include <MatrixBackend.hpp>

Public Types
using	BaseMatrix = ::Mat
	The matrix type of the underlying base matrix.

using	value_type = PetscScalar
	The type of the elements of the DOFMatrix.

using	size_type = PetscInt
	The index/size - type.

Public Member Functions
	PetscMatrix (DofMap const &rowDofMap, DofMap const &colDofMap)
	Constructor. Constructs new BaseMatrix.

	PetscMatrix (PetscMatrix const &)=delete

	PetscMatrix (PetscMatrix &&)=delete

PetscMatrix &	operator= (PetscMatrix const &)=delete

PetscMatrix &	operator= (PetscMatrix &&)=delete

BaseMatrix &	matrix ()
	Return a reference to the data-matrix matrix.

BaseMatrix const &	matrix () const
	Return a reference to the data-matrix matrix.

template<class RowIndex , class ColIndex >
void	insert (RowIndex const &r, ColIndex const &c, PetscScalar value)
	Insert a single value into the matrix.

template<class LocalInd , class LocalMatrix >
void	scatter (LocalInd const &localInd, LocalMatrix const &localMat)
	Insert an element-matrix with row-indices == col-indices.

template<class RowLocalInd , class ColLocalInd , class LocalMatrix >
void	scatter (RowLocalInd const &rowLocalInd, ColLocalInd const &colLocalInd, LocalMatrix const &localMat)
	Insert an element-matrix.

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

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

template<class RowInd >
void	zeroRowsColumns (std::vector< RowInd > const &rowLocalInd, bool diag)
	Set all entries of the specified rows and columns to zero and the diagonal element to `diag`

template<class RowInd >
void	zeroRowsColumns (std::vector< RowInd > const &rowLocalInd, bool diag, PetscVector< DofMap > const &x, PetscVector< DofMap > &b)
	Set all entries of the specified rows and columns to zero and the diagonal element to `diag`

template<class RowInd , class ColInd >
void	zeroRowsColumns (std::vector< RowInd > const &rowLocalInd, std::vector< ColInd > const &colLocalInd, bool diag)
	Set all entries of the specified rows and columns to zero and the diagonal element to `diag`

template<class RowInd , class ColInd >
void	zeroRowsColumns (std::vector< RowInd > const &rowLocalInd, std::vector< ColInd > const &colLocalInd, bool diag, PetscVector< DofMap > const &x, PetscVector< DofMap > &b)
	Set all entries of the specified rows and columns to zero and the diagonal element to `diag`

void	init (MatrixNnzStructure const &pattern)
	Create and initialize the matrix.

void	init ()
	Reuse the matrix pattern and set all entries to zero.

void	finish ()
	Finish assembly. Must be called before matrix can be used in a KSP.

std::size_t	nnz () const
	Return the local number of nonzeros in the matrix.

MPI_Comm	comm () const

Friends
template<class >
class	Constraints

Detailed Description

template<class DofMap>
class AMDiS::PetscMatrix< DofMap >

The basic container that stores a base matrix.

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

/home/user/documentation/docs/amdis/repository/amdis/linearalgebra/petsc/MatrixBackend.hpp

Public Types

Public Member Functions

Friends

Detailed Description