TrilinosWrappers::PreconditionAMGMueLu Class Reference

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

Inheritance diagram for TrilinosWrappers::PreconditionAMGMueLu:

Classes
struct	AdditionalData

Public Types
using	size_type = ::types::global_dof_index

Public Member Functions
	PreconditionAMGMueLu ()
virtual	~PreconditionAMGMueLu () override=default
void	initialize (const SparseMatrix &matrix, const AdditionalData &additional_data=AdditionalData())
void	initialize (const Epetra_CrsMatrix &matrix, const AdditionalData &additional_data=AdditionalData())
void	initialize (const SparseMatrix &matrix, Teuchos::ParameterList &muelu_parameters)
void	initialize (const Epetra_CrsMatrix &matrix, Teuchos::ParameterList &muelu_parameters)
template<typename number >
void	initialize (const ::SparseMatrix< number > &deal_ii_sparse_matrix, const AdditionalData &additional_data=AdditionalData(), const double drop_tolerance=1e-13, const ::SparsityPattern *use_this_sparsity=nullptr)
void	clear ()
size_type	memory_consumption () const
MPI_Comm	get_mpi_communicator () const
void	transpose ()
virtual void	vmult (MPI::Vector &dst, const MPI::Vector &src) const
virtual void	vmult (::Vector< double > &dst, const ::Vector< double > &src) const
virtual void	vmult (::LinearAlgebra::distributed::Vector< double > &dst, const ::LinearAlgebra::distributed::Vector< double > &src) const
virtual void	Tvmult (MPI::Vector &dst, const MPI::Vector &src) const
virtual void	Tvmult (::Vector< double > &dst, const ::Vector< double > &src) const
virtual void	Tvmult (::LinearAlgebra::distributed::Vector< double > &dst, const ::LinearAlgebra::distributed::Vector< double > &src) const
Access to underlying Trilinos data
Epetra_Operator &	trilinos_operator () const

Private Attributes
std::shared_ptr< SparseMatrix >	trilinos_matrix

Subscriptor functionality
Classes derived from Subscriptor provide a facility to subscribe to this object. This is mostly used by the SmartPointer class.
std::atomic< unsigned int >	counter
std::map< std::string, unsigned int >	counter_map
std::vector< std::atomic< bool > * >	validity_pointers
const std::type_info *	object_info
void	subscribe (std::atomic< bool > *const validity, const std::string &identifier="") const
void	unsubscribe (std::atomic< bool > *const validity, const std::string &identifier="") const
unsigned int	n_subscriptions () const
template<typename StreamType >
void	list_subscribers (StreamType &stream) const
void	list_subscribers () const
template<class Archive >
void	serialize (Archive &ar, const unsigned int version)
static ::ExceptionBase &	ExcInUse (int arg1, std::string arg2, std::string arg3)
static ::ExceptionBase &	ExcNoSubscriber (std::string arg1, std::string arg2)
using	map_value_type = decltype(counter_map)::value_type
using	map_iterator = decltype(counter_map)::iterator
static std::mutex	mutex
void	check_no_subscribers () const noexcept

Partitioners
IndexSet	locally_owned_domain_indices () const
IndexSet	locally_owned_range_indices () const
Teuchos::RCP< Epetra_Operator >	preconditioner
Epetra_MpiComm	communicator
std::shared_ptr< Epetra_Map >	vector_distributor
static ::ExceptionBase &	ExcNonMatchingMaps (std::string arg1)

Detailed Description

This class implements an algebraic multigrid (AMG) preconditioner based on the Trilinos MueLu implementation, which is a black-box preconditioner that works well for many PDE-based linear problems. The interface of PreconditionerAMGMueLu is the same as the interface of PreconditionerAMG except for the higher_order_elements parameter which does not exist in PreconditionerAMGMueLu.

Note

You need to configure Trilinos with MueLU support for this preconditioner to work.

At the moment 64bit-indices are not supported.

Warning

This interface should not be considered as stable.

Definition at line 1721 of file trilinos_precondition.h.

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

• include/deal.II/lac/trilinos_precondition.h
• source/lac/trilinos_precondition_muelu.cc