AmrSmoother Class Reference

Interface to Ifpack2 smoothers of the Trilinos package. More...

#include <AmrSmoother.h>

Public Types
enum	Smoother { GAUSS_SEIDEL = 0, SGS, JACOBI }
	All supported Ifpack2 smoothers. More...
typedef amr::global_ordinal_t	go_t
typedef amr::local_ordinal_t	lo_t
typedef amr::scalar_t	scalar_t
typedef amr::node_t	node_t
typedef amr::matrix_t	matrix_t
typedef amr::vector_t	vector_t
typedef Ifpack2::Preconditioner < scalar_t, lo_t, go_t, node_t >	preconditioner_t

Public Member Functions
	AmrSmoother (const Teuchos::RCP< const matrix_t > &A, const Smoother &smoother, lo_t nSweeps)
	~AmrSmoother ()
void	smooth (const Teuchos::RCP< vector_t > &x, const Teuchos::RCP< matrix_t > &A, const Teuchos::RCP< vector_t > &b)

Static Public Member Functions
static Smoother	convertToEnumSmoother (const std::string &smoother)

Private Member Functions
void	initParameter_m (const Smoother &smoother, lo_t nSweeps)

Private Attributes
Teuchos::RCP< preconditioner_t >	prec_mp
	Preconditioner instance. More...
Teuchos::RCP < Teuchos::ParameterList >	params_mp
	Parameters of preconditioner. More...

Detailed Description

Interface to Ifpack2 smoothers of the Trilinos package.

Definition at line 11 of file AmrSmoother.h.

Member Typedef Documentation

typedef amr::global_ordinal_t AmrSmoother::go_t

Definition at line 14 of file AmrSmoother.h.

typedef amr::local_ordinal_t AmrSmoother::lo_t

Definition at line 15 of file AmrSmoother.h.

typedef amr::matrix_t AmrSmoother::matrix_t

Definition at line 18 of file AmrSmoother.h.

typedef amr::node_t AmrSmoother::node_t

Definition at line 17 of file AmrSmoother.h.

typedef Ifpack2::Preconditioner<scalar_t, lo_t, go_t, node_t > AmrSmoother::preconditioner_t

Definition at line 24 of file AmrSmoother.h.

typedef amr::scalar_t AmrSmoother::scalar_t

Definition at line 16 of file AmrSmoother.h.

typedef amr::vector_t AmrSmoother::vector_t

Definition at line 19 of file AmrSmoother.h.

Member Enumeration Documentation

enum AmrSmoother::Smoother

All supported Ifpack2 smoothers.

Enumerator
GAUSS_SEIDEL
SGS
JACOBI

Definition at line 27 of file AmrSmoother.h.

Constructor & Destructor Documentation

AmrSmoother::AmrSmoother	(	const Teuchos::RCP< const matrix_t > &	A,
		const Smoother &	smoother,
		lo_t	nSweeps
	)

Parameters

A	matrix to build smoother for
smoother	type
nSweeps	number of iterations per smoohting step

Definition at line 9 of file AmrSmoother.cpp.

References initParameter_m(), params_mp, and prec_mp.

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AmrSmoother::~AmrSmoother

(

)

Definition at line 29 of file AmrSmoother.cpp.

References params_mp, and prec_mp.

Member Function Documentation

AmrSmoother::Smoother AmrSmoother::convertToEnumSmoother ( const std::string &  smoother )

static

Used in AmrMultiGrid constructor

Parameters

smoother

to create

Definition at line 46 of file AmrSmoother.cpp.

References amr::JACOBI, and Util::toUpper().

Referenced by AmrMultiGrid::convertToEnumSmoother_m().

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void AmrSmoother::initParameter_m ( const Smoother &  smoother, lo_t  nSweeps  )

private

Initialize paramter list for Ifpack2 smoothers

Parameters

smoother	of Ifpack2
nSweeps	number of iterations

Definition at line 62 of file AmrSmoother.cpp.

References Physics::e, GAUSS_SEIDEL, JACOBI, params_mp, and SGS.

Referenced by AmrSmoother().

void AmrSmoother::smooth	(	const Teuchos::RCP< vector_t > &	x,
		const Teuchos::RCP< matrix_t > &	A,
		const Teuchos::RCP< vector_t > &	b
	)

Perform one smoothing step

Parameters

x	right-hand side
A	system matrix
b	right-hand side

Definition at line 35 of file AmrSmoother.cpp.

References prec_mp.

Member Data Documentation

Teuchos::RCP<Teuchos::ParameterList> AmrSmoother::params_mp

private

Parameters of preconditioner.

Definition at line 77 of file AmrSmoother.h.

Referenced by AmrSmoother(), initParameter_m(), and ~AmrSmoother().

Teuchos::RCP<preconditioner_t> AmrSmoother::prec_mp

private

Preconditioner instance.

Definition at line 74 of file AmrSmoother.h.

Referenced by AmrSmoother(), smooth(), and ~AmrSmoother().

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

• src/Solvers/AMR_MG/AmrSmoother.h
• src/Solvers/AMR_MG/AmrSmoother.cpp