#include <deal.II/lac/trilinos_precondition.h>

Inheritance diagram for TrilinosWrappers::PreconditionBlockwiseDirect:

Classes
struct	AdditionalData

Public Member Functions
void	initialize (const SparseMatrix &matrix, const AdditionalData &additional_data=AdditionalData())

Public Member Functions inherited from TrilinosWrappers::PreconditionBase
	PreconditionBase ()

	PreconditionBase (const PreconditionBase &)

	~PreconditionBase ()

void	clear ()

virtual void	vmult (VectorBase &dst, const VectorBase &src) const

virtual void	Tvmult (VectorBase &dst, const VectorBase &src) const

virtual void	vmult (::Vector< double > &dst, const ::Vector< double > &src) const

virtual void	Tvmult (::Vector< double > &dst, const ::Vector< double > &src) const

virtual void	vmult (::parallel::distributed::Vector< double > &dst, const ::parallel::distributed::Vector< double > &src) const

virtual void	Tvmult (::parallel::distributed::Vector< double > &dst, const ::parallel::distributed::Vector< double > &src) const

Epetra_Operator &	trilinos_operator () const

	DeclException1 (ExcNonMatchingMaps, std::string,<< "The sparse matrix the preconditioner is based on "<< "uses a map that is not compatible to the one in vector "<< arg1<< ". Check preconditioner and matrix setup.")

Public Member Functions inherited from Subscriptor
	Subscriptor ()

	Subscriptor (const Subscriptor &)

virtual	~Subscriptor ()

Subscriptor &	operator= (const Subscriptor &)

void	subscribe (const char *identifier=0) const

void	unsubscribe (const char *identifier=0) const

unsigned int	n_subscriptions () const

void	list_subscribers () const

	DeclException3 (ExcInUse, int, char *, std::string &,<< "Object of class "<< arg2<< " is still used by "<< arg1<< " other objects."<< "\"<< "(Additional information: "<< arg3<< ")\"<< "See the entry in the Frequently Asked Questions of "<< "deal.II (linked to from http://www.dealii.org/) for "<< "a lot more information on what this error means and "<< "how to fix programs in which it happens.")

	DeclException2 (ExcNoSubscriber, char , char ,<< "No subscriber with identifier <"<< arg2<< "> subscribes to this object of class "<< arg1<< ". Consequently, it cannot be unsubscribed.")

template<class Archive >
void	serialize (Archive &ar, const unsigned int version)

Additional Inherited Members
Public Types inherited from TrilinosWrappers::PreconditionBase
typedef ::types::global_dof_index	size_type

Protected Attributes inherited from TrilinosWrappers::PreconditionBase
std_cxx11::shared_ptr< Epetra_Operator >	preconditioner

Epetra_MpiComm	communicator

std_cxx11::shared_ptr< Epetra_Map >	vector_distributor

Detailed Description

A wrapper class for a sparse direct LU decomposition on parallel blocks for Trilinos matrices. When run in serial, this corresponds to a direct solve on the matrix.

The AdditionalData data structure allows to set preconditioner options.

Note that a parallel application of the block direct solve preconditioner is actually a block-Jacobi preconditioner with block size equal to the local matrix size. Spoken more technically, this parallel operation is an additive Schwarz method with an exact solve as inner solver, based on the (outer) parallel partitioning.

Author: Martin Kronbichler, 2008

Definition at line 1150 of file trilinos_precondition.h.

Member Function Documentation

§ initialize()

void TrilinosWrappers::PreconditionBlockwiseDirect::initialize	(	const SparseMatrix &	matrix,
		const AdditionalData &	additional_data = `AdditionalData()`
	)

Initialize function. Takes the matrix which is used to form the preconditioner, and additional flags if there are any.

Definition at line 579 of file trilinos_precondition.cc.

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

deal.II/lac/trilinos_precondition.h
/build/deal.ii-pdtiAo/deal.ii-8.4.2/source/lac/trilinos_precondition.cc

Classes

Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

§ initialize()