Template Numerical Library: TNL::Solvers::Linear::Preconditioners::ILUT_impl< Matrix, Real, Devices::Host, Index

Inheritance diagram for TNL::Solvers::Linear::Preconditioners::ILUT_impl< Matrix, Real, Devices::Host, Index >:

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Collaboration diagram for TNL::Solvers::Linear::Preconditioners::ILUT_impl< Matrix, Real, Devices::Host, Index >:

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Public Types
using	DeviceType = Devices::Host

using	IndexType = Index

using	RealType = Real

using	VectorType = Containers::Vector< RealType, DeviceType, IndexType >

Public Types inherited from TNL::Solvers::Linear::Preconditioners::Preconditioner< Matrix >
using	ConstVectorViewType = typename Traits< Matrix >::ConstVectorViewType
	Type for constant vector view.

using	DeviceType = typename Matrix::DeviceType
	Device where the solver will run on and auxillary data will alloacted on.

using	IndexType = typename Matrix::IndexType
	Type for indexing.

using	MatrixPointer = std::shared_ptr< std::add_const_t< MatrixType > >
	Type of shared pointer to the matrix.

using	MatrixType = Matrix
	Type of the matrix representing the linear system.

using	RealType = typename Matrix::RealType
	Floating point type used for computations.

using	VectorViewType = typename Traits< Matrix >::VectorViewType
	Type for vector view.

Public Member Functions
bool	setup (const Config::ParameterContainer &parameters, const String &prefix="") override
	Method for setup of the preconditioner of linear iterative solver based on configuration parameters.

void	solve (ConstVectorViewType b, VectorViewType x) const override
	This method applies the preconditioner.

void	update (const MatrixPointer &matrixPointer) override
	This method updates the preconditioner with respect to given matrix.

Public Member Functions inherited from TNL::Solvers::Linear::Preconditioners::Preconditioner< Matrix >
virtual	~Preconditioner ()
	Destructor of the preconditioner.

Static Protected Member Functions
template<typename M >
static IndexType	getMinColumn (const M &m)

template<typename M >
static IndexType	getMinColumn (const Matrices::DistributedMatrix< M > &m)

Protected Attributes
Matrices::SparseMatrix< RealType, DeviceType, IndexType, Matrices::GeneralMatrix, Algorithms::Segments::CSR >	L

Index	p = 0

Real	tau = 1e-4

Matrices::SparseMatrix< RealType, DeviceType, IndexType, Matrices::GeneralMatrix, Algorithms::Segments::CSR >	U

Additional Inherited Members
Static Public Member Functions inherited from TNL::Solvers::Linear::Preconditioners::Preconditioner< Matrix >
static void	configSetup (Config::ConfigDescription &config, const String &prefix="")
	This method defines configuration entries for setup of the preconditioner of linear iterative solver.

Member Function Documentation

template<typename Matrix , typename Real , typename Index >

bool TNL::Solvers::Linear::Preconditioners::ILUT_impl< Matrix, Real, Devices::Host, Index >::setup	(	const Config::ParameterContainer &	parameters,
		const String &	prefix = "" )

overridevirtual

Method for setup of the preconditioner of linear iterative solver based on configuration parameters.

Parameters

parameters	contains values of the define configuration entries.
prefix	is a prefix of particular configuration entries.

template<typename Matrix , typename Real , typename Index >

void TNL::Solvers::Linear::Preconditioners::ILUT_impl< Matrix, Real, Devices::Host, Index >::solve	(	ConstVectorViewType	b,
		VectorViewType	x ) const

overridevirtual

This method applies the preconditioner.

Parameters

b	is the input vector the preconditioner is applied on.
x	is the result of the preconditioning.

template<typename Matrix , typename Real , typename Index >

void TNL::Solvers::Linear::Preconditioners::ILUT_impl< Matrix, Real, Devices::Host, Index >::update ( const MatrixPointer & matrixPointer )

overridevirtual

This method updates the preconditioner with respect to given matrix.

Parameters

matrixPointer smart pointer (std::shared_ptr) to matrix the preconditioner is related to.

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