Alien::SchurOp Class Reference

Schur elimination operator on a linear system. More...

#include <core/alien/expression/schur/SchurOp.h>

Collaboration diagram for Alien::SchurOp:

Public Types
enum	eErrorType { NoError , WithErrors }
	Type of algorithm. More...
typedef SimpleCSRMatrix< Arccore::Real >	MatrixImpl
	Type of the matrix implementation.
typedef SimpleCSRVector< Arccore::Real >	VectorImpl
	Type of the vector implementation.

Public Member Functions
	SchurOp (IMatrix &A, IVector &b)
	Constructor.
virtual	~SchurOp ()
	Free resources.
eErrorType	computePrimarySystem (IMatrix &pA, IVector &pb) const
	Shur the linear system.
eErrorType	computeSolutionFromPrimaryUnknowns (IVector const &pX, IVector &sX) const

Private Member Functions
eErrorType	_apply_schur (Integer block_size, MatrixImpl &A, VectorImpl &B, Integer p_block_size, MatrixImpl &pA, VectorImpl &pB) const
eErrorType	_apply_schur (Integer block_size, MatrixImpl &A, VectorImpl &B, VBlock const *p_vblock, MatrixImpl &pA, VectorImpl &pB) const
eErrorType	_apply_schur (VBlock const *vblock, MatrixImpl &A, VectorImpl &B, Integer p_block_size, MatrixImpl &pA, VectorImpl &pB) const
eErrorType	_apply_schur (VBlock const *vblock, MatrixImpl &A, VectorImpl &B, VBlock const *p_vblock, MatrixImpl &pA, VectorImpl &pB) const
eErrorType	_compute_solution (VBlock const *vblock, MatrixImpl const &A, VectorImpl const &B, Integer p_block_size, VectorImpl const &px, VectorImpl &x) const
eErrorType	_compute_solution (VBlock const *vblock, MatrixImpl const &A, VectorImpl const &B, VBlock const *p_vblock, VectorImpl const &px, VectorImpl &x) const
void	_copy (ConstArrayView< Real > in, ArrayView< Real > out) const
void	_copy (ConstArray2View< Real > in, Array2View< Real > out) const

Private Attributes
IMatrix &	m_A
IVector &	m_B
UniqueArray< Real >	m_ghost_diag_values

Detailed Description

Schur elimination operator on a linear system.

Definition at line 28 of file SchurOp.h.

Member Typedef Documentation

MatrixImpl

typedef SimpleCSRMatrix<Arccore::Real> Alien::SchurOp::MatrixImpl

Type of the matrix implementation.

Definition at line 41 of file SchurOp.h.

VectorImpl

typedef SimpleCSRVector<Arccore::Real> Alien::SchurOp::VectorImpl

Type of the vector implementation.

Definition at line 43 of file SchurOp.h.

Member Enumeration Documentation

eErrorType

enum Alien::SchurOp::eErrorType

Type of algorithm.

Type of the error

Definition at line 34 of file SchurOp.h.

Constructor & Destructor Documentation

SchurOp()

Alien::SchurOp::SchurOp	(	IMatrix &	A,
		IVector &	b )

Constructor.

Definition at line 28 of file SchurOp.cc.

~SchurOp()

virtual Alien::SchurOp::~SchurOp ( )

inlinevirtual

Free resources.

Definition at line 49 of file SchurOp.h.

Member Function Documentation

_apply_schur() [1/4]

SchurOp::eErrorType Alien::SchurOp::_apply_schur ( Integer block_size, MatrixImpl & A, VectorImpl & B, Integer p_block_size, MatrixImpl & pA, VectorImpl & pB ) const

private

Definition at line 86 of file SchurOp.cc.

_apply_schur() [2/4]

SchurOp::eErrorType Alien::SchurOp::_apply_schur ( Integer block_size, MatrixImpl & A, VectorImpl & B, VBlock const * p_vblock, MatrixImpl & pA, VectorImpl & pB ) const

private

Definition at line 124 of file SchurOp.cc.

_apply_schur() [3/4]

SchurOp::eErrorType Alien::SchurOp::_apply_schur ( VBlock const * vblock, MatrixImpl & A, VectorImpl & B, Integer p_block_size, MatrixImpl & pA, VectorImpl & pB ) const

private

Definition at line 135 of file SchurOp.cc.

_apply_schur() [4/4]

SchurOp::eErrorType Alien::SchurOp::_apply_schur ( VBlock const * vblock, MatrixImpl & A, VectorImpl & B, VBlock const * p_vblock, MatrixImpl & pA, VectorImpl & pB ) const

private

Definition at line 349 of file SchurOp.cc.

_compute_solution() [1/2]

SchurOp::eErrorType Alien::SchurOp::_compute_solution ( VBlock const * vblock, MatrixImpl const & A, VectorImpl const & B, Integer p_block_size, VectorImpl const & px, VectorImpl & x ) const

private

Definition at line 621 of file SchurOp.cc.

_compute_solution() [2/2]

SchurOp::eErrorType Alien::SchurOp::_compute_solution ( VBlock const * vblock, MatrixImpl const & A, VectorImpl const & B, VBlock const * p_vblock, VectorImpl const & px, VectorImpl & x ) const

private

Definition at line 667 of file SchurOp.cc.

_copy() [1/2]

void Alien::SchurOp::_copy ( ConstArray2View< Real > in, Array2View< Real > out ) const

inlineprivate

Definition at line 110 of file SchurOp.h.

_copy() [2/2]

void Alien::SchurOp::_copy ( ConstArrayView< Real > in, ArrayView< Real > out ) const

inlineprivate

Definition at line 104 of file SchurOp.h.

computePrimarySystem()

SchurOp::eErrorType Alien::SchurOp::computePrimarySystem	(	IMatrix &	pA,
		IVector &	pb ) const

Shur the linear system.

Parameters

[in]	matrix	The matrix
[in]	vector	The vector

Returns

The eventual error

Definition at line 40 of file SchurOp.cc.

References Alien::IMatrixImpl::block(), Alien::MultiMatrixImpl::get(), Alien::MultiVectorImpl::get(), Alien::IMatrix::impl(), Alien::IVector::impl(), Alien::Block::size(), and Alien::IMatrixImpl::vblock().

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computeSolutionFromPrimaryUnknowns()

SchurOp::eErrorType Alien::SchurOp::computeSolutionFromPrimaryUnknowns	(	IVector const &	pX,
		IVector &	sX ) const

Definition at line 602 of file SchurOp.cc.

Member Data Documentation

m_A

IMatrix& Alien::SchurOp::m_A

private

Definition at line 117 of file SchurOp.h.

m_B

IVector& Alien::SchurOp::m_B

private

Definition at line 119 of file SchurOp.h.

m_ghost_diag_values

UniqueArray<Real> Alien::SchurOp::m_ghost_diag_values

mutableprivate

Definition at line 121 of file SchurOp.h.

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

• SchurOp.h
• SchurOp.cc