libMesh::TrilinosPreconditioner< T > Class Template Reference

This class provides an interface to the suite of preconditioners available from Trilinos. More...

#include <trilinos_preconditioner.h>

Inheritance diagram for libMesh::TrilinosPreconditioner< T >:

Public Member Functions
	TrilinosPreconditioner (const libMesh::Parallel::Communicator &comm)
	Constructor. More...
virtual	~TrilinosPreconditioner ()
	Destructor. More...
virtual void	apply (const NumericVector< T > &x, NumericVector< T > &y) override
	Computes the preconditioned vector y based on input vector x. More...
virtual void	clear () override
	Release all memory and clear data structures. More...
virtual void	init () override
	Initialize data structures if not done so already. More...
void	set_params (Teuchos::ParameterList &list)
	Stores a copy of the ParameterList list internally. More...
Epetra_FECrsMatrix *	mat ()
void	set_preconditioner_type (const PreconditionerType &preconditioner_type)
	Sets the Trilinos preconditioner to use based on the libMesh PreconditionerType. More...
void	compute ()
	Compute the preconditioner. More...
bool	initialized () const
virtual void	setup ()
	This is called every time the "operator might have changed". More...
void	set_matrix (SparseMatrix< Number > &mat)
	Sets the matrix to be preconditioned. More...
PreconditionerType	type () const
void	set_type (const PreconditionerType pct)
	Sets the type of preconditioner to use. More...
const Parallel::Communicator &	comm () const
processor_id_type	n_processors () const
processor_id_type	processor_id () const

Static Public Member Functions
static std::unique_ptr< Preconditioner< T > >	build_preconditioner (const libMesh::Parallel::Communicator &comm, const SolverPackage solver_package=libMesh::default_solver_package())
	Builds a Preconditioner using the linear solver package specified by solver_package, returning the result wrapped in a std::unique_ptr for safety. More...
static Preconditioner< T > *	build (const libMesh::Parallel::Communicator &comm, const SolverPackage solver_package=libMesh::default_solver_package())
	Builds a Preconditioner using the linear solver package specified by solver_package. More...
static std::string	get_info ()
	Gets a string containing the reference information. More...
static void	print_info (std::ostream &out=libMesh::out)
	Prints the reference information, by default to libMesh::out. More...
static unsigned int	n_objects ()
	Prints the number of outstanding (created, but not yet destroyed) objects. More...
static void	enable_print_counter_info ()
	Methods to enable/disable the reference counter output from print_info() More...
static void	disable_print_counter_info ()

Protected Types
typedef std::map< std::string, std::pair< unsigned int, unsigned int > >	Counts
	Data structure to log the information. More...

Protected Member Functions
virtual int	SetUseTranspose (bool UseTranspose) override
virtual int	Apply (const Epetra_MultiVector &X, Epetra_MultiVector &Y) const override
virtual int	ApplyInverse (const Epetra_MultiVector &r, Epetra_MultiVector &z) const override
virtual double	NormInf () const override
virtual const char *	Label () const override
virtual bool	UseTranspose () const override
virtual bool	HasNormInf () const override
virtual const Epetra_Comm &	Comm () const override
virtual const Epetra_Map &	OperatorDomainMap () const override
virtual const Epetra_Map &	OperatorRangeMap () const override
void	increment_constructor_count (const std::string &name)
	Increments the construction counter. More...
void	increment_destructor_count (const std::string &name)
	Increments the destruction counter. More...

Protected Attributes
Epetra_Operator *	_prec
	Trilinos preconditioner. More...
Epetra_FECrsMatrix *	_mat
	Trilinos matrix that's been pulled out of the _matrix object. More...
Teuchos::ParameterList	_param_list
	Parameter list to be used for building the preconditioner. More...
SparseMatrix< T > *	_matrix
	The matrix P... More...
PreconditionerType	_preconditioner_type
	Enum stating with type of preconditioner to use. More...
bool	_is_initialized
	Flag indicating if the data structures have been initialized. More...
const Parallel::Communicator &	_communicator

Static Protected Attributes
static Counts	_counts
	Actually holds the data. More...
static Threads::atomic< unsigned int >	_n_objects
	The number of objects. More...
static Threads::spin_mutex	_mutex
	Mutual exclusion object to enable thread-safe reference counting. More...
static bool	_enable_print_counter = true
	Flag to control whether reference count information is printed when print_info is called. More...

Detailed Description

template<typename T>
class libMesh::TrilinosPreconditioner< T >

This class provides an interface to the suite of preconditioners available from Trilinos.

All overridden virtual functions are documented in preconditioner.h.

Author

David Andrs

Date

2011

Definition at line 70 of file trilinos_preconditioner.h.

Member Typedef Documentation

Counts

typedef std::map<std::string, std::pair<unsigned int, unsigned int> > libMesh::ReferenceCounter::Counts

protectedinherited

Data structure to log the information.

The log is identified by the class name.

Definition at line 117 of file reference_counter.h.

Constructor & Destructor Documentation

TrilinosPreconditioner()

template<typename T >

libMesh::TrilinosPreconditioner< T >::TrilinosPreconditioner ( const libMesh::Parallel::Communicator &  comm )

inline

Constructor.

Initializes PetscPreconditioner data structures

Definition at line 150 of file trilinos_preconditioner.h.

                                                                                           :
  Preconditioner<T>(comm),
  _prec(nullptr),
  _mat(nullptr)
{
}

~TrilinosPreconditioner()

template<typename T >

libMesh::TrilinosPreconditioner< T >::~TrilinosPreconditioner ( )

inlinevirtual

Destructor.

Definition at line 161 of file trilinos_preconditioner.h.

{
  this->clear ();
}

Member Function Documentation

Apply()

template<typename T >

int libMesh::TrilinosPreconditioner< T >::Apply ( const Epetra_MultiVector &  X, Epetra_MultiVector &  Y  ) const

overrideprotectedvirtual

Definition at line 198 of file trilinos_preconditioner.C.

{
  return _prec->Apply(X, Y);
}

apply()

template<typename T >

void libMesh::TrilinosPreconditioner< T >::apply ( const NumericVector< T > &  x, NumericVector< T > &  y  )

overridevirtual

Computes the preconditioned vector y based on input vector x.

This is usually done by solving \( Py=x \) to get the action of \( P^-1 x \).

Implements libMesh::Preconditioner< T >.

Definition at line 49 of file trilinos_preconditioner.C.

{
}

ApplyInverse()

template<typename T >

int libMesh::TrilinosPreconditioner< T >::ApplyInverse ( const Epetra_MultiVector &  r, Epetra_MultiVector &  z  ) const

overrideprotectedvirtual

Definition at line 205 of file trilinos_preconditioner.C.

{
  return _prec->ApplyInverse(r, z);
}

build()

template<typename T >

Preconditioner< T > * libMesh::Preconditioner< T >::build ( const libMesh::Parallel::Communicator &  comm, const SolverPackage  solver_package = libMesh::default_solver_package()  )

staticinherited

Builds a Preconditioner using the linear solver package specified by solver_package.

Definition at line 84 of file preconditioner.C.

{
  // You should be calling build_preconditioner() instead.
  libmesh_deprecated();
 
  // Call the non-deprecated method
  std::unique_ptr<Preconditioner<T>> ptr =
    Preconditioner<T>::build_preconditioner(comm, solver_package);
 
  // Vaya con dios
  return ptr.release();
}

build_preconditioner()

template<typename T >

std::unique_ptr< Preconditioner< T > > libMesh::Preconditioner< T >::build_preconditioner ( const libMesh::Parallel::Communicator &  comm, const SolverPackage  solver_package = libMesh::default_solver_package()  )

staticinherited

Builds a Preconditioner using the linear solver package specified by solver_package, returning the result wrapped in a std::unique_ptr for safety.

Definition at line 46 of file preconditioner.C.

{
  // Avoid unused parameter warnings when no solver packages are enabled.
  libmesh_ignore(comm);
 
  // Build and return the appropriate Preconditioner object.
  switch (solver_package)
    {
 
#ifdef LIBMESH_HAVE_PETSC
    case PETSC_SOLVERS:
      {
        return libmesh_make_unique<PetscPreconditioner<T>>(comm);
      }
#endif
 
#ifdef LIBMESH_TRILINOS_HAVE_EPETRA
    case TRILINOS_SOLVERS:
      return libmesh_make_unique<TrilinosPreconditioner<T>>(comm);
#endif
 
#ifdef LIBMESH_HAVE_EIGEN
    case EIGEN_SOLVERS:
      return libmesh_make_unique<EigenPreconditioner<T>>(comm);
#endif
 
    default:
      libmesh_error_msg("ERROR:  Unrecognized solver package: " << solver_package);
    }
}

clear()

template<typename T>

virtual void libMesh::TrilinosPreconditioner< T >::clear ( )

inlineoverridevirtual

Release all memory and clear data structures.

Reimplemented from libMesh::Preconditioner< T >.

Definition at line 88 of file trilinos_preconditioner.h.

{}

comm()

const Parallel::Communicator& libMesh::ParallelObject::comm ( ) const

inlineinherited

Returns

A reference to the Parallel::Communicator object used by this mesh.

Definition at line 94 of file parallel_object.h.

  { return _communicator; }

References libMesh::ParallelObject::_communicator.

Referenced by libMesh::__libmesh_petsc_diff_solver_jacobian(), libMesh::__libmesh_petsc_diff_solver_monitor(), libMesh::__libmesh_petsc_diff_solver_residual(), libMesh::__libmesh_tao_equality_constraints(), libMesh::__libmesh_tao_equality_constraints_jacobian(), libMesh::__libmesh_tao_gradient(), libMesh::__libmesh_tao_hessian(), libMesh::__libmesh_tao_inequality_constraints(), libMesh::__libmesh_tao_inequality_constraints_jacobian(), libMesh::__libmesh_tao_objective(), libMesh::MeshRefinement::_coarsen_elements(), libMesh::ExactSolution::_compute_error(), libMesh::UniformRefinementEstimator::_estimate_error(), libMesh::BoundaryInfo::_find_id_maps(), libMesh::PetscLinearSolver< Number >::_petsc_shell_matrix_get_diagonal(), libMesh::SlepcEigenSolver< libMesh::Number >::_petsc_shell_matrix_get_diagonal(), libMesh::PetscLinearSolver< Number >::_petsc_shell_matrix_mult(), libMesh::SlepcEigenSolver< libMesh::Number >::_petsc_shell_matrix_mult(), libMesh::PetscLinearSolver< Number >::_petsc_shell_matrix_mult_add(), libMesh::EquationSystems::_read_impl(), libMesh::MeshRefinement::_refine_elements(), libMesh::MeshRefinement::_smooth_flags(), libMesh::DofMap::add_constraints_to_send_list(), add_cube_convex_hull_to_mesh(), libMesh::PetscDMWrapper::add_dofs_helper(), libMesh::PetscDMWrapper::add_dofs_to_section(), libMesh::TransientRBConstruction::add_IC_to_RB_space(), libMesh::ImplicitSystem::add_matrix(), libMesh::RBConstruction::add_scaled_matrix_and_vector(), libMesh::DynaIO::add_spline_constraints(), libMesh::System::add_vector(), libMesh::UnstructuredMesh::all_second_order(), libMesh::MeshTools::Modification::all_tri(), libMesh::LaplaceMeshSmoother::allgather_graph(), libMesh::DofMap::allgather_recursive_constraints(), libMesh::TransientRBConstruction::allocate_data_structures(), libMesh::RBConstruction::allocate_data_structures(), libMesh::TransientRBConstruction::assemble_affine_expansion(), libMesh::FEMSystem::assemble_qoi(), libMesh::MeshCommunication::assign_global_indices(), libMesh::DofMap::attach_matrix(), libMesh::MeshTools::Generation::build_extrusion(), libMesh::BoundaryInfo::build_node_list_from_side_list(), libMesh::EquationSystems::build_parallel_elemental_solution_vector(), libMesh::EquationSystems::build_parallel_solution_vector(), libMesh::PetscDMWrapper::build_section(), libMesh::PetscDMWrapper::build_sf(), libMesh::System::calculate_norm(), libMesh::DofMap::check_dirichlet_bcid_consistency(), libMesh::RBConstruction::compute_Fq_representor_innerprods(), libMesh::RBConstruction::compute_max_error_bound(), libMesh::Nemesis_IO_Helper::compute_num_global_elem_blocks(), libMesh::Nemesis_IO_Helper::compute_num_global_nodesets(), libMesh::Nemesis_IO_Helper::compute_num_global_sidesets(), libMesh::RBConstruction::compute_output_dual_innerprods(), libMesh::RBConstruction::compute_residual_dual_norm_slow(), libMesh::RBSCMConstruction::compute_SCM_bounds_on_training_set(), libMesh::Problem_Interface::computeF(), libMesh::Problem_Interface::computeJacobian(), libMesh::Problem_Interface::computePreconditioner(), libMesh::ExodusII_IO::copy_elemental_solution(), libMesh::ExodusII_IO::copy_scalar_solution(), libMesh::MeshTools::correct_node_proc_ids(), libMesh::MeshTools::create_bounding_box(), libMesh::DofMap::create_dof_constraints(), libMesh::MeshTools::create_nodal_bounding_box(), libMesh::MeshRefinement::create_parent_error_vector(), libMesh::MeshTools::create_processor_bounding_box(), libMesh::MeshTools::create_subdomain_bounding_box(), libMesh::MeshCommunication::delete_remote_elements(), libMesh::DofMap::distribute_dofs(), DMlibMeshFunction(), DMlibMeshJacobian(), DMlibMeshSetSystem_libMesh(), DMVariableBounds_libMesh(), libMesh::DTKSolutionTransfer::DTKSolutionTransfer(), libMesh::MeshRefinement::eliminate_unrefined_patches(), libMesh::RBEIMConstruction::enrich_RB_space(), libMesh::TransientRBConstruction::enrich_RB_space(), libMesh::RBConstruction::enrich_RB_space(), libMesh::EpetraVector< T >::EpetraVector(), AssembleOptimization::equality_constraints(), libMesh::WeightedPatchRecoveryErrorEstimator::estimate_error(), libMesh::PatchRecoveryErrorEstimator::estimate_error(), libMesh::JumpErrorEstimator::estimate_error(), libMesh::AdjointRefinementEstimator::estimate_error(), libMesh::ExactErrorEstimator::estimate_error(), libMesh::RBEIMConstruction::evaluate_mesh_function(), libMesh::MeshRefinement::flag_elements_by_elem_fraction(), libMesh::MeshRefinement::flag_elements_by_error_fraction(), libMesh::MeshRefinement::flag_elements_by_error_tolerance(), libMesh::MeshRefinement::flag_elements_by_mean_stddev(), libMesh::MeshRefinement::flag_elements_by_nelem_target(), libMesh::DofMap::gather_constraints(), libMesh::MeshfreeInterpolation::gather_remote_data(), libMesh::CondensedEigenSystem::get_eigenpair(), libMesh::DofMap::get_info(), libMesh::ImplicitSystem::get_linear_solver(), AssembleOptimization::inequality_constraints(), AssembleOptimization::inequality_constraints_jacobian(), libMesh::LocationMap< T >::init(), libMesh::TimeSolver::init(), libMesh::SystemSubsetBySubdomain::init(), libMesh::PetscDMWrapper::init_and_attach_petscdm(), libMesh::EigenSystem::init_matrices(), libMesh::OptimizationSystem::initialize_equality_constraints_storage(), libMesh::OptimizationSystem::initialize_inequality_constraints_storage(), libMesh::RBEIMConstruction::initialize_rb_construction(), integrate_function(), libMesh::MeshTools::libmesh_assert_consistent_distributed(), libMesh::MeshTools::libmesh_assert_consistent_distributed_nodes(), libMesh::MeshTools::libmesh_assert_contiguous_dof_ids(), libMesh::MeshTools::libmesh_assert_parallel_consistent_new_node_procids(), libMesh::MeshTools::libmesh_assert_parallel_consistent_procids< Elem >(), libMesh::MeshTools::libmesh_assert_parallel_consistent_procids< Node >(), libMesh::MeshTools::libmesh_assert_topology_consistent_procids< Node >(), libMesh::MeshTools::libmesh_assert_valid_boundary_ids(), libMesh::MeshTools::libmesh_assert_valid_dof_ids(), libMesh::MeshTools::libmesh_assert_valid_neighbors(), libMesh::DistributedMesh::libmesh_assert_valid_parallel_flags(), libMesh::DistributedMesh::libmesh_assert_valid_parallel_object_ids(), libMesh::DistributedMesh::libmesh_assert_valid_parallel_p_levels(), libMesh::MeshTools::libmesh_assert_valid_refinement_flags(), libMesh::MeshTools::libmesh_assert_valid_unique_ids(), libMesh::libmesh_petsc_preconditioner_apply(), libMesh::libmesh_petsc_snes_fd_residual(), libMesh::libmesh_petsc_snes_jacobian(), libMesh::libmesh_petsc_snes_mffd_residual(), libMesh::libmesh_petsc_snes_postcheck(), libMesh::libmesh_petsc_snes_residual(), libMesh::libmesh_petsc_snes_residual_helper(), libMesh::MeshRefinement::limit_level_mismatch_at_edge(), libMesh::MeshRefinement::limit_level_mismatch_at_node(), libMesh::MeshRefinement::limit_overrefined_boundary(), libMesh::MeshRefinement::limit_underrefined_boundary(), main(), libMesh::MeshRefinement::make_coarsening_compatible(), libMesh::MeshCommunication::make_elems_parallel_consistent(), libMesh::MeshRefinement::make_flags_parallel_consistent(), libMesh::MeshCommunication::make_new_node_proc_ids_parallel_consistent(), libMesh::MeshCommunication::make_new_nodes_parallel_consistent(), libMesh::MeshCommunication::make_node_ids_parallel_consistent(), libMesh::MeshCommunication::make_node_proc_ids_parallel_consistent(), libMesh::MeshCommunication::make_node_unique_ids_parallel_consistent(), libMesh::MeshCommunication::make_nodes_parallel_consistent(), libMesh::MeshCommunication::make_p_levels_parallel_consistent(), libMesh::MeshRefinement::make_refinement_compatible(), libMesh::TransientRBConstruction::mass_matrix_scaled_matvec(), libMesh::FEMSystem::mesh_position_set(), LinearElasticityWithContact::move_mesh(), libMesh::DistributedMesh::n_active_elem(), libMesh::MeshTools::n_active_levels(), libMesh::BoundaryInfo::n_boundary_conds(), libMesh::DofMap::n_constrained_dofs(), libMesh::BoundaryInfo::n_edge_conds(), libMesh::CondensedEigenSystem::n_global_non_condensed_dofs(), libMesh::MeshTools::n_levels(), libMesh::BoundaryInfo::n_nodeset_conds(), libMesh::MeshTools::n_p_levels(), libMesh::BoundaryInfo::n_shellface_conds(), libMesh::DistributedMesh::parallel_max_elem_id(), libMesh::DistributedMesh::parallel_max_node_id(), libMesh::ReplicatedMesh::parallel_max_unique_id(), libMesh::DistributedMesh::parallel_max_unique_id(), libMesh::DistributedMesh::parallel_n_elem(), libMesh::DistributedMesh::parallel_n_nodes(), libMesh::SparsityPattern::Build::parallel_sync(), libMesh::MeshTools::paranoid_n_levels(), libMesh::petsc_auto_fieldsplit(), libMesh::System::point_gradient(), libMesh::System::point_hessian(), libMesh::System::point_value(), libMesh::DofMap::print_dof_constraints(), FEMParameters::read(), libMesh::Nemesis_IO::read(), libMesh::XdrIO::read(), libMesh::CheckpointIO::read_header(), libMesh::XdrIO::read_header(), libMesh::System::read_header(), libMesh::RBEvaluation::read_in_vectors_from_multiple_files(), libMesh::System::read_legacy_data(), libMesh::TransientRBConstruction::read_riesz_representors_from_files(), libMesh::RBConstruction::read_riesz_representors_from_files(), libMesh::System::read_SCALAR_dofs(), libMesh::XdrIO::read_serialized_bc_names(), libMesh::XdrIO::read_serialized_bcs_helper(), libMesh::System::read_serialized_blocked_dof_objects(), libMesh::XdrIO::read_serialized_connectivity(), libMesh::XdrIO::read_serialized_nodes(), libMesh::XdrIO::read_serialized_nodesets(), libMesh::XdrIO::read_serialized_subdomain_names(), libMesh::System::read_serialized_vector(), libMesh::MeshRefinement::refine_and_coarsen_elements(), libMesh::DistributedMesh::renumber_dof_objects(), LinearElasticityWithContact::residual_and_jacobian(), OverlappingAlgebraicGhostingTest::run_ghosting_test(), OverlappingCouplingGhostingTest::run_sparsity_pattern_test(), libMesh::DofMap::scatter_constraints(), libMesh::CheckpointIO::select_split_config(), libMesh::TransientRBConstruction::set_error_temporal_data(), libMesh::RBEIMConstruction::set_explicit_sys_subvector(), libMesh::DofMap::set_nonlocal_dof_objects(), libMesh::PetscDMWrapper::set_point_range_in_section(), libMesh::PetscDiffSolver::setup_petsc_data(), libMesh::LaplaceMeshSmoother::smooth(), libMesh::split_mesh(), libMesh::BoundaryInfo::sync(), libMesh::MeshRefinement::test_level_one(), MeshfunctionDFEM::test_mesh_function_dfem(), MeshfunctionDFEM::test_mesh_function_dfem_grad(), MeshFunctionTest::test_p_level(), libMesh::MeshRefinement::test_unflagged(), SystemsTest::testBlockRestrictedVarNDofs(), PointLocatorTest::testLocator(), BoundaryInfoTest::testMesh(), SystemsTest::testProjectCubeWithMeshFunction(), CheckpointIOTest::testSplitter(), libMesh::MeshTools::total_weight(), libMesh::MeshFunctionSolutionTransfer::transfer(), libMesh::MeshfreeSolutionTransfer::transfer(), libMesh::TransientRBConstruction::truth_assembly(), libMesh::RBConstruction::truth_assembly(), libMesh::MeshRefinement::uniformly_coarsen(), libMesh::TransientRBConstruction::update_RB_initial_condition_all_N(), libMesh::RBEIMConstruction::update_RB_system_matrices(), libMesh::TransientRBConstruction::update_RB_system_matrices(), libMesh::RBConstruction::update_RB_system_matrices(), libMesh::TransientRBConstruction::update_residual_terms(), libMesh::RBConstruction::update_residual_terms(), libMesh::NameBasedIO::write(), libMesh::XdrIO::write(), libMesh::VTKIO::write_nodal_data(), libMesh::RBEvaluation::write_out_vectors(), libMesh::TransientRBConstruction::write_riesz_representors_to_files(), libMesh::RBConstruction::write_riesz_representors_to_files(), libMesh::System::write_SCALAR_dofs(), libMesh::XdrIO::write_serialized_bcs_helper(), libMesh::System::write_serialized_blocked_dof_objects(), libMesh::XdrIO::write_serialized_connectivity(), libMesh::XdrIO::write_serialized_nodes(), libMesh::XdrIO::write_serialized_nodesets(), libMesh::RBDataSerialization::RBEvaluationSerialization::write_to_file(), libMesh::RBDataSerialization::TransientRBEvaluationSerialization::write_to_file(), libMesh::RBDataSerialization::RBEIMEvaluationSerialization::write_to_file(), and libMesh::RBDataSerialization::RBSCMEvaluationSerialization::write_to_file().

Comm()

template<typename T >

const Epetra_Comm & libMesh::TrilinosPreconditioner< T >::Comm ( ) const

overrideprotectedvirtual

Definition at line 240 of file trilinos_preconditioner.C.

{
  return _prec->Comm();
}

compute()

template<typename T >

void libMesh::TrilinosPreconditioner< T >::compute

(

)

Compute the preconditioner.

In Trilinos, we need to call this explicitly.

Definition at line 86 of file trilinos_preconditioner.C.

{
#ifdef LIBMESH_TRILINOS_HAVE_IFPACK
  Ifpack_Preconditioner * ifpack = nullptr;
#endif
 
#ifdef LIBMESH_TRILINOS_HAVE_ML
  ML_Epetra::MultiLevelPreconditioner * ml = nullptr;
#endif
 
  switch (this->_preconditioner_type)
    {
#ifdef LIBMESH_TRILINOS_HAVE_IFPACK
      // IFPACK preconditioners
    case ILU_PRECOND:
    case SOR_PRECOND:
      ifpack = dynamic_cast<Ifpack_Preconditioner *>(_prec);
      ifpack->Compute();
      break;
#endif
 
#ifdef LIBMESH_TRILINOS_HAVE_ML
      // ML preconditioners
    case AMG_PRECOND:
      ml = dynamic_cast<ML_Epetra::MultiLevelPreconditioner *>(_prec);
      ml->ComputePreconditioner();
      break;
#endif
 
    default:
      // If we made it here, there were no TrilinosPreconditioners
      // active, so that's probably an error.
      libmesh_error_msg("ERROR: No valid TrilinosPreconditioners available!");
      break;
    }
}

References libMesh::AMG_PRECOND, libMesh::ILU_PRECOND, and libMesh::SOR_PRECOND.

Referenced by libMesh::Problem_Interface::computePreconditioner().

disable_print_counter_info()

void libMesh::ReferenceCounter::disable_print_counter_info ( )

staticinherited

Definition at line 106 of file reference_counter.C.

{
  _enable_print_counter = false;
  return;
}

References libMesh::ReferenceCounter::_enable_print_counter.

Referenced by libMesh::LibMeshInit::LibMeshInit().

enable_print_counter_info()

void libMesh::ReferenceCounter::enable_print_counter_info ( )

staticinherited

Methods to enable/disable the reference counter output from print_info()

Definition at line 100 of file reference_counter.C.

{
  _enable_print_counter = true;
  return;
}

References libMesh::ReferenceCounter::_enable_print_counter.

get_info()

std::string libMesh::ReferenceCounter::get_info ( )

staticinherited

Gets a string containing the reference information.

Definition at line 47 of file reference_counter.C.

{
#if defined(LIBMESH_ENABLE_REFERENCE_COUNTING) && defined(DEBUG)
 
  std::ostringstream oss;
 
  oss << '\n'
      << " ---------------------------------------------------------------------------- \n"
      << "| Reference count information                                                |\n"
      << " ---------------------------------------------------------------------------- \n";
 
  for (const auto & pr : _counts)
    {
      const std::string name(pr.first);
      const unsigned int creations    = pr.second.first;
      const unsigned int destructions = pr.second.second;
 
      oss << "| " << name << " reference count information:\n"
          << "|  Creations:    " << creations    << '\n'
          << "|  Destructions: " << destructions << '\n';
    }
 
  oss << " ---------------------------------------------------------------------------- \n";
 
  return oss.str();
 
#else
 
  return "";
 
#endif
}

References libMesh::ReferenceCounter::_counts, and libMesh::Quality::name().

Referenced by libMesh::ReferenceCounter::print_info().

HasNormInf()

template<typename T >

bool libMesh::TrilinosPreconditioner< T >::HasNormInf ( ) const

overrideprotectedvirtual

Definition at line 233 of file trilinos_preconditioner.C.

{
  return _prec->HasNormInf();
}

increment_constructor_count()

void libMesh::ReferenceCounter::increment_constructor_count ( const std::string &  name )

inlineprotectedinherited

Increments the construction counter.

Should be called in the constructor of any derived class that will be reference counted.

Definition at line 181 of file reference_counter.h.

{
  Threads::spin_mutex::scoped_lock lock(Threads::spin_mtx);
  std::pair<unsigned int, unsigned int> & p = _counts[name];
 
  p.first++;
}

References libMesh::ReferenceCounter::_counts, libMesh::Quality::name(), and libMesh::Threads::spin_mtx.

Referenced by libMesh::ReferenceCountedObject< RBParametrized >::ReferenceCountedObject().

increment_destructor_count()

void libMesh::ReferenceCounter::increment_destructor_count ( const std::string &  name )

inlineprotectedinherited

Increments the destruction counter.

Should be called in the destructor of any derived class that will be reference counted.

Definition at line 194 of file reference_counter.h.

{
  Threads::spin_mutex::scoped_lock lock(Threads::spin_mtx);
  std::pair<unsigned int, unsigned int> & p = _counts[name];
 
  p.second++;
}

References libMesh::ReferenceCounter::_counts, libMesh::Quality::name(), and libMesh::Threads::spin_mtx.

Referenced by libMesh::ReferenceCountedObject< RBParametrized >::~ReferenceCountedObject().

init()

template<typename T >

void libMesh::TrilinosPreconditioner< T >::init ( )

overridevirtual

Initialize data structures if not done so already.

Note

This MUST be called before the preconditioning object is used.

Reimplemented from libMesh::Preconditioner< T >.

Definition at line 58 of file trilinos_preconditioner.C.

{
  if (!this->_matrix)
    libmesh_error_msg("ERROR: No matrix set for PetscPreconditioner, but init() called");
 
  // Clear the preconditioner in case it has been created in the past
  if (!this->_is_initialized)
    {
      EpetraMatrix<T> * matrix = cast_ptr<EpetraMatrix<T> *, SparseMatrix<T>>(this->_matrix);
      _mat = matrix->mat();
    }
 
  set_preconditioner_type(this->_preconditioner_type);
 
  this->_is_initialized = true;
}

References libMesh::libMeshPrivateData::_is_initialized, and libMesh::EpetraMatrix< T >::mat().

initialized()

template<typename T>

bool libMesh::Preconditioner< T >::initialized ( ) const

inlineinherited

Returns

true if the data structures are initialized, false otherwise.

Definition at line 106 of file preconditioner.h.

{ return _is_initialized; }

Referenced by libMesh::libmesh_petsc_preconditioner_setup().

Label()

template<typename T >

const char * libMesh::TrilinosPreconditioner< T >::Label ( ) const

overrideprotectedvirtual

Definition at line 219 of file trilinos_preconditioner.C.

{
  return _prec->Label();
}

mat()

template<typename T>

Epetra_FECrsMatrix* libMesh::TrilinosPreconditioner< T >::mat ( )

inline

Returns

The actual Trilinos preconditioner object.

Definition at line 100 of file trilinos_preconditioner.h.

{ return _mat; }

References libMesh::TrilinosPreconditioner< T >::_mat.

Referenced by libMesh::Problem_Interface::computePreconditioner().

n_objects()

static unsigned int libMesh::ReferenceCounter::n_objects ( )

inlinestaticinherited

Prints the number of outstanding (created, but not yet destroyed) objects.

Definition at line 83 of file reference_counter.h.

  { return _n_objects; }

References libMesh::ReferenceCounter::_n_objects.

n_processors()

processor_id_type libMesh::ParallelObject::n_processors ( ) const

inlineinherited

Returns

The number of processors in the group.

Definition at line 100 of file parallel_object.h.

  { return cast_int<processor_id_type>(_communicator.size()); }

References libMesh::ParallelObject::_communicator.

Referenced by libMesh::BoundaryInfo::_find_id_maps(), libMesh::DofMap::add_constraints_to_send_list(), libMesh::PetscDMWrapper::add_dofs_to_section(), libMesh::DistributedMesh::add_elem(), libMesh::DofMap::add_neighbors_to_send_list(), libMesh::DistributedMesh::add_node(), libMesh::LaplaceMeshSmoother::allgather_graph(), libMesh::DofMap::allgather_recursive_constraints(), libMesh::FEMSystem::assembly(), libMesh::AztecLinearSolver< T >::AztecLinearSolver(), libMesh::BoundaryInfo::build_node_list_from_side_list(), libMesh::EquationSystems::build_parallel_elemental_solution_vector(), libMesh::DistributedMesh::clear(), libMesh::Nemesis_IO_Helper::compute_border_node_ids(), libMesh::Nemesis_IO_Helper::construct_nemesis_filename(), libMesh::ExodusII_IO::copy_scalar_solution(), libMesh::UnstructuredMesh::create_pid_mesh(), libMesh::MeshTools::create_processor_bounding_box(), libMesh::DofMap::distribute_dofs(), libMesh::DofMap::distribute_local_dofs_node_major(), libMesh::DofMap::distribute_local_dofs_var_major(), libMesh::EnsightIO::EnsightIO(), libMesh::SystemSubsetBySubdomain::init(), libMesh::PetscDMWrapper::init_and_attach_petscdm(), libMesh::Nemesis_IO_Helper::initialize(), libMesh::DistributedMesh::insert_elem(), libMesh::MeshTools::libmesh_assert_contiguous_dof_ids(), libMesh::MeshTools::libmesh_assert_parallel_consistent_new_node_procids(), libMesh::MeshTools::libmesh_assert_parallel_consistent_procids< Elem >(), libMesh::MeshTools::libmesh_assert_parallel_consistent_procids< Node >(), libMesh::MeshTools::libmesh_assert_topology_consistent_procids< Node >(), libMesh::MeshTools::libmesh_assert_valid_boundary_ids(), libMesh::MeshTools::libmesh_assert_valid_dof_ids(), libMesh::MeshTools::libmesh_assert_valid_neighbors(), libMesh::MeshTools::libmesh_assert_valid_refinement_flags(), libMesh::DofMap::local_variable_indices(), libMesh::MeshRefinement::make_coarsening_compatible(), libMesh::MeshBase::partition(), libMesh::System::point_gradient(), libMesh::System::point_hessian(), libMesh::System::point_value(), libMesh::DofMap::prepare_send_list(), libMesh::DofMap::print_dof_constraints(), libMesh::NameBasedIO::read(), libMesh::Nemesis_IO::read(), libMesh::CheckpointIO::read(), libMesh::CheckpointIO::read_connectivity(), libMesh::XdrIO::read_header(), libMesh::CheckpointIO::read_nodes(), libMesh::System::read_parallel_data(), libMesh::System::read_SCALAR_dofs(), libMesh::System::read_serialized_blocked_dof_objects(), libMesh::System::read_serialized_vector(), libMesh::DistributedMesh::renumber_dof_objects(), OverlappingFunctorTest::run_partitioner_test(), libMesh::DofMap::scatter_constraints(), libMesh::DofMap::set_nonlocal_dof_objects(), libMesh::PetscDMWrapper::set_point_range_in_section(), CheckpointIOTest::testSplitter(), WriteVecAndScalar::testWrite(), libMesh::MeshRefinement::uniformly_coarsen(), libMesh::DistributedMesh::update_parallel_id_counts(), libMesh::GMVIO::write_binary(), libMesh::GMVIO::write_discontinuous_gmv(), libMesh::VTKIO::write_nodal_data(), libMesh::System::write_parallel_data(), libMesh::System::write_SCALAR_dofs(), libMesh::XdrIO::write_serialized_bcs_helper(), libMesh::System::write_serialized_blocked_dof_objects(), libMesh::XdrIO::write_serialized_connectivity(), libMesh::XdrIO::write_serialized_nodes(), and libMesh::XdrIO::write_serialized_nodesets().

NormInf()

template<typename T >

double libMesh::TrilinosPreconditioner< T >::NormInf ( ) const

overrideprotectedvirtual

Definition at line 212 of file trilinos_preconditioner.C.

{
  return _prec->NormInf();
}

OperatorDomainMap()

template<typename T >

const Epetra_Map & libMesh::TrilinosPreconditioner< T >::OperatorDomainMap ( ) const

overrideprotectedvirtual

Definition at line 247 of file trilinos_preconditioner.C.

{
  return _prec->OperatorDomainMap();
}

OperatorRangeMap()

template<typename T >

const Epetra_Map & libMesh::TrilinosPreconditioner< T >::OperatorRangeMap ( ) const

overrideprotectedvirtual

Definition at line 254 of file trilinos_preconditioner.C.

{
  return _prec->OperatorRangeMap();
}

print_info()

void libMesh::ReferenceCounter::print_info ( std::ostream &  out = libMesh::out )

staticinherited

Prints the reference information, by default to libMesh::out.

Definition at line 87 of file reference_counter.C.

{
  if (_enable_print_counter)
    out_stream << ReferenceCounter::get_info();
}

References libMesh::ReferenceCounter::_enable_print_counter, and libMesh::ReferenceCounter::get_info().

processor_id()

processor_id_type libMesh::ParallelObject::processor_id ( ) const

inlineinherited

Returns

The rank of this processor in the group.

Definition at line 106 of file parallel_object.h.

  { return cast_int<processor_id_type>(_communicator.rank()); }

References libMesh::ParallelObject::_communicator.

Referenced by libMesh::BoundaryInfo::_find_id_maps(), libMesh::EquationSystems::_read_impl(), libMesh::PetscDMWrapper::add_dofs_to_section(), libMesh::DistributedMesh::add_elem(), libMesh::BoundaryInfo::add_elements(), libMesh::DofMap::add_neighbors_to_send_list(), libMesh::DistributedMesh::add_node(), libMesh::UnstructuredMesh::all_second_order(), libMesh::MeshTools::Modification::all_tri(), libMesh::DofMap::allgather_recursive_constraints(), libMesh::FEMSystem::assembly(), libMesh::Nemesis_IO_Helper::build_element_and_node_maps(), libMesh::InfElemBuilder::build_inf_elem(), libMesh::BoundaryInfo::build_node_list_from_side_list(), libMesh::EquationSystems::build_parallel_elemental_solution_vector(), libMesh::DistributedMesh::clear(), libMesh::ExodusII_IO_Helper::close(), libMesh::Nemesis_IO_Helper::compute_border_node_ids(), libMesh::Nemesis_IO_Helper::compute_communication_map_parameters(), libMesh::Nemesis_IO_Helper::compute_internal_and_border_elems_and_internal_nodes(), libMesh::RBConstruction::compute_max_error_bound(), libMesh::Nemesis_IO_Helper::compute_node_communication_maps(), libMesh::Nemesis_IO_Helper::compute_num_global_elem_blocks(), libMesh::Nemesis_IO_Helper::compute_num_global_nodesets(), libMesh::Nemesis_IO_Helper::compute_num_global_sidesets(), libMesh::Nemesis_IO_Helper::construct_nemesis_filename(), libMesh::ExodusII_IO::copy_scalar_solution(), libMesh::MeshTools::correct_node_proc_ids(), libMesh::ExodusII_IO_Helper::create(), libMesh::DistributedMesh::delete_elem(), libMesh::DistributedMesh::delete_node(), libMesh::MeshCommunication::delete_remote_elements(), libMesh::DofMap::distribute_dofs(), libMesh::DofMap::distribute_local_dofs_node_major(), libMesh::DofMap::distribute_local_dofs_var_major(), libMesh::DistributedMesh::DistributedMesh(), libMesh::DofMap::end_dof(), libMesh::DofMap::end_old_dof(), libMesh::EnsightIO::EnsightIO(), libMesh::RBEIMConstruction::evaluate_mesh_function(), libMesh::MeshFunction::find_element(), libMesh::MeshFunction::find_elements(), libMesh::UnstructuredMesh::find_neighbors(), libMesh::DofMap::first_dof(), libMesh::DofMap::first_old_dof(), libMesh::Nemesis_IO_Helper::get_cmap_params(), libMesh::Nemesis_IO_Helper::get_eb_info_global(), libMesh::Nemesis_IO_Helper::get_elem_cmap(), libMesh::Nemesis_IO_Helper::get_elem_map(), libMesh::DofMap::get_info(), libMesh::Nemesis_IO_Helper::get_init_global(), libMesh::Nemesis_IO_Helper::get_init_info(), libMesh::Nemesis_IO_Helper::get_loadbal_param(), libMesh::DofMap::get_local_constraints(), libMesh::Nemesis_IO_Helper::get_node_cmap(), libMesh::Nemesis_IO_Helper::get_node_map(), libMesh::Nemesis_IO_Helper::get_ns_param_global(), libMesh::Nemesis_IO_Helper::get_ss_param_global(), libMesh::SparsityPattern::Build::handle_vi_vj(), libMesh::SystemSubsetBySubdomain::init(), libMesh::PetscDMWrapper::init_and_attach_petscdm(), HeatSystem::init_data(), libMesh::ExodusII_IO_Helper::initialize(), libMesh::ExodusII_IO_Helper::initialize_element_variables(), libMesh::ExodusII_IO_Helper::initialize_global_variables(), libMesh::ExodusII_IO_Helper::initialize_nodal_variables(), libMesh::DistributedMesh::insert_elem(), libMesh::DofMap::is_evaluable(), libMesh::SparsityPattern::Build::join(), libMesh::DofMap::last_dof(), libMesh::TransientRBEvaluation::legacy_write_offline_data_to_files(), libMesh::RBEIMEvaluation::legacy_write_offline_data_to_files(), libMesh::RBEvaluation::legacy_write_offline_data_to_files(), libMesh::RBSCMEvaluation::legacy_write_offline_data_to_files(), libMesh::RBEIMEvaluation::legacy_write_out_interpolation_points_elem(), libMesh::MeshTools::libmesh_assert_consistent_distributed(), libMesh::MeshTools::libmesh_assert_consistent_distributed_nodes(), libMesh::MeshTools::libmesh_assert_contiguous_dof_ids(), libMesh::MeshTools::libmesh_assert_parallel_consistent_procids< Elem >(), libMesh::MeshTools::libmesh_assert_valid_neighbors(), libMesh::DistributedMesh::libmesh_assert_valid_parallel_object_ids(), libMesh::DofMap::local_variable_indices(), main(), libMesh::MeshRefinement::make_coarsening_compatible(), AugmentSparsityOnInterface::mesh_reinit(), libMesh::MeshBase::n_active_local_elem(), libMesh::BoundaryInfo::n_boundary_conds(), libMesh::BoundaryInfo::n_edge_conds(), libMesh::DofMap::n_local_dofs(), libMesh::System::n_local_dofs(), libMesh::MeshBase::n_local_elem(), libMesh::MeshBase::n_local_nodes(), libMesh::BoundaryInfo::n_nodeset_conds(), libMesh::BoundaryInfo::n_shellface_conds(), libMesh::SparsityPattern::Build::operator()(), libMesh::DistributedMesh::own_node(), libMesh::System::point_gradient(), libMesh::System::point_hessian(), libMesh::System::point_value(), libMesh::DofMap::print_dof_constraints(), libMesh::Nemesis_IO_Helper::put_cmap_params(), libMesh::Nemesis_IO_Helper::put_elem_cmap(), libMesh::Nemesis_IO_Helper::put_elem_map(), libMesh::Nemesis_IO_Helper::put_loadbal_param(), libMesh::Nemesis_IO_Helper::put_node_cmap(), libMesh::Nemesis_IO_Helper::put_node_map(), libMesh::NameBasedIO::read(), libMesh::Nemesis_IO::read(), libMesh::XdrIO::read(), libMesh::CheckpointIO::read(), libMesh::ExodusII_IO_Helper::read_elem_num_map(), libMesh::ExodusII_IO_Helper::read_global_values(), libMesh::CheckpointIO::read_header(), libMesh::XdrIO::read_header(), libMesh::System::read_header(), libMesh::RBEvaluation::read_in_vectors_from_multiple_files(), libMesh::System::read_legacy_data(), libMesh::ExodusII_IO_Helper::read_node_num_map(), libMesh::System::read_parallel_data(), libMesh::TransientRBConstruction::read_riesz_representors_from_files(), libMesh::RBConstruction::read_riesz_representors_from_files(), libMesh::System::read_SCALAR_dofs(), libMesh::XdrIO::read_serialized_bc_names(), libMesh::XdrIO::read_serialized_bcs_helper(), libMesh::System::read_serialized_blocked_dof_objects(), libMesh::XdrIO::read_serialized_connectivity(), libMesh::System::read_serialized_data(), libMesh::XdrIO::read_serialized_nodes(), libMesh::XdrIO::read_serialized_nodesets(), libMesh::XdrIO::read_serialized_subdomain_names(), libMesh::System::read_serialized_vector(), libMesh::System::read_serialized_vectors(), libMesh::DistributedMesh::renumber_dof_objects(), libMesh::DofMap::scatter_constraints(), libMesh::CheckpointIO::select_split_config(), libMesh::DofMap::set_nonlocal_dof_objects(), libMesh::PetscDMWrapper::set_point_range_in_section(), libMesh::LaplaceMeshSmoother::smooth(), DefaultCouplingTest::testCoupling(), PointNeighborCouplingTest::testCoupling(), MeshInputTest::testDynaReadElem(), MeshInputTest::testDynaReadPatch(), MeshInputTest::testExodusCopyElementSolution(), MeshInputTest::testExodusWriteElementDataFromDiscontinuousNodalData(), SystemsTest::testProjectMatrix1D(), SystemsTest::testProjectMatrix2D(), SystemsTest::testProjectMatrix3D(), BoundaryInfoTest::testShellFaceConstraints(), CheckpointIOTest::testSplitter(), WriteVecAndScalar::testWrite(), libMesh::MeshTools::total_weight(), libMesh::MeshRefinement::uniformly_coarsen(), libMesh::Parallel::Packing< Node * >::unpack(), libMesh::Parallel::Packing< Elem * >::unpack(), libMesh::DistributedMesh::update_parallel_id_counts(), libMesh::DTKAdapter::update_variable_values(), libMesh::NameBasedIO::write(), libMesh::XdrIO::write(), libMesh::CheckpointIO::write(), libMesh::EquationSystems::write(), libMesh::GMVIO::write_discontinuous_gmv(), libMesh::ExodusII_IO::write_element_data(), libMesh::ExodusII_IO_Helper::write_element_values(), libMesh::ExodusII_IO_Helper::write_element_values_element_major(), libMesh::ExodusII_IO_Helper::write_elements(), libMesh::ExodusII_IO::write_global_data(), libMesh::ExodusII_IO_Helper::write_global_values(), libMesh::System::write_header(), libMesh::ExodusII_IO::write_information_records(), libMesh::ExodusII_IO_Helper::write_information_records(), libMesh::ExodusII_IO_Helper::write_nodal_coordinates(), libMesh::VTKIO::write_nodal_data(), libMesh::UCDIO::write_nodal_data(), libMesh::ExodusII_IO::write_nodal_data(), libMesh::ExodusII_IO::write_nodal_data_discontinuous(), libMesh::ExodusII_IO_Helper::write_nodal_values(), libMesh::Nemesis_IO_Helper::write_nodesets(), libMesh::ExodusII_IO_Helper::write_nodesets(), libMesh::RBEvaluation::write_out_vectors(), write_output_solvedata(), libMesh::System::write_parallel_data(), libMesh::RBConstruction::write_riesz_representors_to_files(), libMesh::System::write_SCALAR_dofs(), libMesh::XdrIO::write_serialized_bc_names(), libMesh::XdrIO::write_serialized_bcs_helper(), libMesh::System::write_serialized_blocked_dof_objects(), libMesh::XdrIO::write_serialized_connectivity(), libMesh::System::write_serialized_data(), libMesh::XdrIO::write_serialized_nodes(), libMesh::XdrIO::write_serialized_nodesets(), libMesh::XdrIO::write_serialized_subdomain_names(), libMesh::System::write_serialized_vector(), libMesh::System::write_serialized_vectors(), libMesh::ExodusII_IO_Helper::write_sideset_data(), libMesh::Nemesis_IO_Helper::write_sidesets(), libMesh::ExodusII_IO_Helper::write_sidesets(), libMesh::ExodusII_IO::write_timestep(), libMesh::ExodusII_IO_Helper::write_timestep(), and libMesh::ExodusII_IO::write_timestep_discontinuous().

set_matrix()

template<typename T >

void libMesh::Preconditioner< T >::set_matrix ( SparseMatrix< Number > &  mat )

inherited

Sets the matrix to be preconditioned.

Definition at line 181 of file preconditioner.h.

{
  //If the matrix is changing then we (probably) need to reinitialize.
  _is_initialized = false;
  _matrix = &mat;
}

set_params()

template<typename T >

void libMesh::TrilinosPreconditioner< T >::set_params

(

Teuchos::ParameterList &

list

)

Stores a copy of the ParameterList list internally.

Definition at line 78 of file trilinos_preconditioner.C.

{
  _param_list = list;
}

set_preconditioner_type()

template<typename T >

void libMesh::TrilinosPreconditioner< T >::set_preconditioner_type

(

const PreconditionerType &

preconditioner_type

)

Sets the Trilinos preconditioner to use based on the libMesh PreconditionerType.

Note

Not all libMesh PreconditionerTypes are supported.

Definition at line 126 of file trilinos_preconditioner.C.

{
#ifdef LIBMESH_TRILINOS_HAVE_IFPACK
  Ifpack_Preconditioner * pc = nullptr;
#endif
 
#ifdef LIBMESH_TRILINOS_HAVE_ML
  ML_Epetra::MultiLevelPreconditioner * ml = nullptr;
#endif
 
  switch (preconditioner_type)
    {
    case IDENTITY_PRECOND:
      //    pc = new Ifpack_DiagPreconditioner();
      break;
 
    case CHOLESKY_PRECOND:
      break;
 
    case ICC_PRECOND:
      break;
 
#ifdef LIBMESH_TRILINOS_HAVE_IFPACK
    case ILU_PRECOND:
      pc = new Ifpack_ILU(_mat);
      pc->SetParameters(_param_list);
      pc->Initialize();
      _prec = pc;
      break;
#endif
 
    case LU_PRECOND:
      break;
 
    case ASM_PRECOND:
      break;
 
    case JACOBI_PRECOND:
      break;
 
    case BLOCK_JACOBI_PRECOND:
      break;
 
    case SOR_PRECOND:
      break;
 
    case EISENSTAT_PRECOND:
      break;
 
#ifdef LIBMESH_TRILINOS_HAVE_ML
    case AMG_PRECOND:
      ml = new ML_Epetra::MultiLevelPreconditioner(*_mat, _param_list, false);;
      _prec = ml;
      break;
#endif
 
    default:
      libmesh_error_msg("ERROR:  Unsupported Trilinos Preconditioner: " << preconditioner_type << "\nContinuing with Trilinos defaults");
    }
 
}

References libMesh::AMG_PRECOND, libMesh::ASM_PRECOND, libMesh::BLOCK_JACOBI_PRECOND, libMesh::CHOLESKY_PRECOND, libMesh::EISENSTAT_PRECOND, libMesh::ICC_PRECOND, libMesh::IDENTITY_PRECOND, libMesh::ILU_PRECOND, libMesh::JACOBI_PRECOND, libMesh::LU_PRECOND, and libMesh::SOR_PRECOND.

set_type()

template<typename T >

void libMesh::Preconditioner< T >::set_type ( const PreconditionerType  pct )

inherited

Sets the type of preconditioner to use.

Definition at line 190 of file preconditioner.h.

{
  //If the preconditioner type changes we (probably) need to reinitialize.
  _is_initialized = false;
  _preconditioner_type = pct;
}

setup()

template<typename T>

virtual void libMesh::Preconditioner< T >::setup ( )

inlinevirtualinherited

This is called every time the "operator might have changed".

This is where you need to fill in your preconditioning matrix.

Definition at line 132 of file preconditioner.h.

{}

Referenced by libMesh::libmesh_petsc_preconditioner_setup().

SetUseTranspose()

template<typename T >

int libMesh::TrilinosPreconditioner< T >::SetUseTranspose ( bool  UseTranspose )

overrideprotectedvirtual

Definition at line 191 of file trilinos_preconditioner.C.

{
  return _prec->SetUseTranspose(UseTranspose);
}

type()

template<typename T>

PreconditionerType libMesh::Preconditioner< T >::type ( ) const

inlineinherited

Returns

The type of preconditioner to use.

Definition at line 142 of file preconditioner.h.

{ return _preconditioner_type; }

UseTranspose()

template<typename T >

bool libMesh::TrilinosPreconditioner< T >::UseTranspose ( ) const

overrideprotectedvirtual

Definition at line 226 of file trilinos_preconditioner.C.

{
  return _prec->UseTranspose();
}

Member Data Documentation

_communicator

const Parallel::Communicator& libMesh::ParallelObject::_communicator

protectedinherited

Definition at line 112 of file parallel_object.h.

Referenced by libMesh::EquationSystems::build_parallel_elemental_solution_vector(), libMesh::EquationSystems::build_parallel_solution_vector(), libMesh::ParallelObject::comm(), libMesh::ParallelObject::n_processors(), libMesh::ParallelObject::operator=(), and libMesh::ParallelObject::processor_id().

_counts

ReferenceCounter::Counts libMesh::ReferenceCounter::_counts

staticprotectedinherited

Actually holds the data.

Definition at line 122 of file reference_counter.h.

Referenced by libMesh::ReferenceCounter::get_info(), libMesh::ReferenceCounter::increment_constructor_count(), and libMesh::ReferenceCounter::increment_destructor_count().

_enable_print_counter

bool libMesh::ReferenceCounter::_enable_print_counter = true

staticprotectedinherited

Flag to control whether reference count information is printed when print_info is called.

Definition at line 141 of file reference_counter.h.

Referenced by libMesh::ReferenceCounter::disable_print_counter_info(), libMesh::ReferenceCounter::enable_print_counter_info(), and libMesh::ReferenceCounter::print_info().

_is_initialized

template<typename T>

bool libMesh::Preconditioner< T >::_is_initialized

protectedinherited

Flag indicating if the data structures have been initialized.

Definition at line 165 of file preconditioner.h.

Referenced by libMesh::Preconditioner< Number >::initialized().

_mat

template<typename T>

Epetra_FECrsMatrix* libMesh::TrilinosPreconditioner< T >::_mat

protected

Trilinos matrix that's been pulled out of the _matrix object.

Definition at line 124 of file trilinos_preconditioner.h.

Referenced by libMesh::TrilinosPreconditioner< T >::mat().

_matrix

template<typename T>

SparseMatrix<T>* libMesh::Preconditioner< T >::_matrix

protectedinherited

The matrix P...

ie the matrix to be preconditioned. This is often the actual system matrix of a linear system.

Definition at line 155 of file preconditioner.h.

_mutex

Threads::spin_mutex libMesh::ReferenceCounter::_mutex

staticprotectedinherited

Mutual exclusion object to enable thread-safe reference counting.

Definition at line 135 of file reference_counter.h.

_n_objects

Threads::atomic< unsigned int > libMesh::ReferenceCounter::_n_objects

staticprotectedinherited

The number of objects.

Print the reference count information when the number returns to 0.

Definition at line 130 of file reference_counter.h.

Referenced by libMesh::ReferenceCounter::n_objects(), libMesh::ReferenceCounter::ReferenceCounter(), and libMesh::ReferenceCounter::~ReferenceCounter().

_param_list

template<typename T>

Teuchos::ParameterList libMesh::TrilinosPreconditioner< T >::_param_list

protected

Parameter list to be used for building the preconditioner.

Definition at line 129 of file trilinos_preconditioner.h.

_prec

template<typename T>

Epetra_Operator* libMesh::TrilinosPreconditioner< T >::_prec

protected

Trilinos preconditioner.

Definition at line 119 of file trilinos_preconditioner.h.

_preconditioner_type

template<typename T>

PreconditionerType libMesh::Preconditioner< T >::_preconditioner_type

protectedinherited

Enum stating with type of preconditioner to use.

Definition at line 160 of file preconditioner.h.

Referenced by libMesh::Preconditioner< Number >::type().

---

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

• include/numerics/trilinos_preconditioner.h
• src/numerics/trilinos_preconditioner.C