TpetraExamples Namespace Reference

Namespace for Tpetra example classes and methods. More...

Classes
class	mprec_mult
	Function object multiplying two different types in a third type's precision. More...
class	pair_op
	Reduction function object that combines pairs of T1, T2. More...
class	DiagKernel
	Class to demonstrate a simple diagonal matrix. More...
class	FDStencil
	Class to demonstrate a simple, finite-different type tridiagonal stencil. More...
class	ScaleKernel
	Class to demonstrate a simple diagonal matrix. More...
struct	convertHelp
	Helper function to call CrsMatrix<T1>::convert<T2> if T1 != T2, and return the original matrix otherwise. More...
struct	convertHelp< T, T, LO, GO, Node >
	Helper function to call CrsMatrix<T1>::convert<T2> if T1 != T2, and return the original matrix otherwise. More...
class	RFPCGInit
	Initialization for a database stack for the recursiveFPCG() algorithm, to be used with Tpetra::Ext::initStackDB(). More...
Functions
template<class Scalar , class Ordinal >
Scalar	powerMethod (const Teuchos::RCP< const Tpetra::Operator< Scalar, Ordinal > > &A, int niters, typename Teuchos::ScalarTraits< Scalar >::magnitudeType tolerance, bool verbose)
	Simple power iteration eigensolver for a Tpetra::Operator.
template<class T1 , class T2 , class Op >
pair_op< T1, T2, Op >	make_pair_op (Op op)
	Non-member constructor to create a pair_op.
template<class S , class LO , class GO , class Node >
void	RTICG (const RCP< const Tpetra::Operator< S, LO, GO, Node >> &A, RCP< Tpetra::Vector< S, LO, GO, Node >> b, const RCP< Teuchos::FancyOStream > &out, ParameterList &plist)
	Recursive, self-preconditioning flexible CG.
template<class S , class Souter , class LO , class GO , class Node >
void	truncateCG (const RCP< Teuchos::FancyOStream > &out, int verbose, const RCP< const Tpetra::Operator< S, LO, GO, Node > > &A, const RCP< const Tpetra::Vector< S, LO, GO, Node > > &diag, const RCP< const Tpetra::Vector< Souter, LO, GO, Node > > &x_outer, const RCP< const Tpetra::Vector< Souter, LO, GO, Node > > &grad, const Souter &lx_outer, const RCP< Tpetra::Vector< S, LO, GO, Node > > &eta, const tCG_workspace< S, LO, GO, Node > &workspace, double rho_prime, double kappa, double theta, int maxItersCG, double outertol)
	Model trust-region subproblem CG solver.
template<class Sinner , class S , class LO , class GO , class Node >
S	IRTR (const RCP< Teuchos::FancyOStream > &out, ParameterList &params, const RCP< const Tpetra::CrsMatrix< S, LO, GO, Node > > &A, const RCP< Tpetra::Vector< S, LO, GO, Node > > &x)
	Templated IRTR solver.
template<class TS , class LO , class GO , class Node >
void	recursiveFPCG (const RCP< Teuchos::FancyOStream > &out, ParameterList &db)
	Recursive, self-preconditioning flexible CG.
template<class TS , class LO , class GO , class Node >
void	recursiveFPCGUnfused (const RCP< Teuchos::FancyOStream > &out, ParameterList &db)
	Recursive, self-preconditioning flexible CG.

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Detailed Description

Namespace for Tpetra example classes and methods.

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Function Documentation

template<class Scalar , class Ordinal >

Scalar TpetraExamples::powerMethod	(	const Teuchos::RCP< const Tpetra::Operator< Scalar, Ordinal > > &	A,
		int	niters,
		typename Teuchos::ScalarTraits< Scalar >::magnitudeType	tolerance,
		bool	verbose
	)

Simple power iteration eigensolver for a Tpetra::Operator.

Definition at line 56 of file Tpetra_Power_Method.hpp.

template<class T1 , class T2 , class Op >

pair_op< T1, T2, Op > TpetraExamples::make_pair_op

(

Op

op

)

Non-member constructor to create a pair_op.

Examples:

RTIExample.cpp.

Definition at line 121 of file RTIExample.cpp.

template<class S , class LO , class GO , class Node >

void TpetraExamples::RTICG	(	const RCP< const Tpetra::Operator< S, LO, GO, Node >> &	A,
		RCP< Tpetra::Vector< S, LO, GO, Node >>	b,
		const RCP< Teuchos::FancyOStream > &	out,
		ParameterList &	plist
	)

Recursive, self-preconditioning flexible CG.

Definition at line 123 of file RTIInlineCG.hpp.

template<class S , class Souter , class LO , class GO , class Node >

void TpetraExamples::truncateCG	(	const RCP< Teuchos::FancyOStream > &	out,
		int	verbose,
		const RCP< const Tpetra::Operator< S, LO, GO, Node > > &	A,
		const RCP< const Tpetra::Vector< S, LO, GO, Node > > &	diag,
		const RCP< const Tpetra::Vector< Souter, LO, GO, Node > > &	x_outer,
		const RCP< const Tpetra::Vector< Souter, LO, GO, Node > > &	grad,
		const Souter &	lx_outer,
		const RCP< Tpetra::Vector< S, LO, GO, Node > > &	eta,
		const tCG_workspace< S, LO, GO, Node > &	workspace,
		double	rho_prime,
		double	kappa,
		double	theta,
		int	maxItersCG,
		double	outertol
	)

Model trust-region subproblem CG solver.

Definition at line 178 of file IRTR_solvers.hpp.

template<class Sinner , class S , class LO , class GO , class Node >

S TpetraExamples::IRTR	(	const RCP< Teuchos::FancyOStream > &	out,
		ParameterList &	params,
		const RCP< const Tpetra::CrsMatrix< S, LO, GO, Node > > &	A,
		const RCP< Tpetra::Vector< S, LO, GO, Node > > &	x
	)

Templated IRTR solver.

Definition at line 323 of file IRTR_solvers.hpp.

template<class TS , class LO , class GO , class Node >

void TpetraExamples::recursiveFPCG	(	const RCP< Teuchos::FancyOStream > &	out,
		ParameterList &	db
	)

Recursive, self-preconditioning flexible CG.

Definition at line 211 of file MultiPrecCG.hpp.

template<class TS , class LO , class GO , class Node >

void TpetraExamples::recursiveFPCGUnfused	(	const RCP< Teuchos::FancyOStream > &	out,
		ParameterList &	db
	)

Recursive, self-preconditioning flexible CG.

Definition at line 340 of file MultiPrecCG.hpp.