libMesh
Public Member Functions | Static Public Member Functions | Protected Types | Protected Member Functions | Protected Attributes | Static Protected Attributes | List of all members
libMesh::EigenSolver< T > Class Template Referenceabstract

This class provides an interface to solvers for eigenvalue problems. More...

#include <eigen_solver.h>

Inheritance diagram for libMesh::EigenSolver< T >:
[legend]

Public Member Functions

 EigenSolver (const Parallel::Communicator &comm_in LIBMESH_CAN_DEFAULT_TO_COMMWORLD)
 Constructor. More...
 
virtual ~EigenSolver ()
 Destructor. More...
 
bool initialized () const
 
bool get_close_matrix_before_solve () const
 
void set_close_matrix_before_solve (bool val)
 Set the flag which controls whether libmesh closes the eigenproblem matrices before solving. More...
 
virtual void clear ()
 Release all memory and clear data structures. More...
 
virtual void init ()=0
 Initialize data structures if not done so already. More...
 
EigenSolverType eigen_solver_type () const
 
EigenProblemType eigen_problem_type () const
 
PositionOfSpectrum position_of_spectrum () const
 
void set_eigensolver_type (const EigenSolverType est)
 Sets the type of eigensolver to use. More...
 
void set_eigenproblem_type (EigenProblemType ept)
 Sets the type of the eigenproblem. More...
 
void set_position_of_spectrum (PositionOfSpectrum pos)
 Sets the position of the spectrum. More...
 
void set_position_of_spectrum (Real pos)
 
void set_position_of_spectrum (Real pos, PositionOfSpectrum target)
 
virtual std::pair< unsigned int, unsigned intsolve_standard (SparseMatrix< T > &matrix_A, int nev, int ncv, const double tol, const unsigned int m_its)=0
 Solves the standard eigenproblem involving the SparseMatrix matrix_A. More...
 
virtual std::pair< unsigned int, unsigned intsolve_standard (ShellMatrix< T > &matrix_A, int nev, int ncv, const double tol, const unsigned int m_its)=0
 Solves the standard eigenproblem involving the ShellMatrix matrix_A. More...
 
virtual std::pair< unsigned int, unsigned intsolve_generalized (SparseMatrix< T > &matrix_A, SparseMatrix< T > &matrix_B, int nev, int ncv, const double tol, const unsigned int m_its)=0
 Solves the generalized eigenproblem involving SparseMatrices matrix_A and matrix_B. More...
 
virtual std::pair< unsigned int, unsigned intsolve_generalized (ShellMatrix< T > &matrix_A, SparseMatrix< T > &matrix_B, int nev, int ncv, const double tol, const unsigned int m_its)=0
 Solves the generalized eigenproblem with ShellMatrix matrix_A and SparseMatrix matrix_B. More...
 
virtual std::pair< unsigned int, unsigned intsolve_generalized (SparseMatrix< T > &matrix_A, ShellMatrix< T > &matrix_B, int nev, int ncv, const double tol, const unsigned int m_its)=0
 Solves the generalized eigenproblem with SparseMatrix matrix_A and ShellMatrix matrix_B. More...
 
virtual std::pair< unsigned int, unsigned intsolve_generalized (ShellMatrix< T > &matrix_A, ShellMatrix< T > &matrix_B, int nev, int ncv, const double tol, const unsigned int m_its)=0
 Solves the generalized eigenproblem involving ShellMatrices matrix_A and matrix_B. More...
 
virtual std::pair< Real, Realget_eigenpair (dof_id_type i, NumericVector< T > &solution)=0
 
virtual std::pair< Real, Realget_eigenvalue (dof_id_type i)=0
 
virtual void attach_deflation_space (NumericVector< T > &deflation_vector)=0
 Attach a deflation space defined by a single vector. More...
 
virtual void set_initial_space (NumericVector< T > &initial_space_in)=0
 Provide one basis vector for the initial guess. More...
 
void set_solver_configuration (SolverConfiguration &solver_configuration)
 Set the solver configuration object. More...
 
const Parallel::Communicatorcomm () const
 
processor_id_type n_processors () const
 
processor_id_type processor_id () const
 

Static Public Member Functions

static UniquePtr< EigenSolver< T > > build (const Parallel::Communicator &comm_in LIBMESH_CAN_DEFAULT_TO_COMMWORLD, const SolverPackage solver_package=SLEPC_SOLVERS)
 Builds an EigenSolver 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

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

EigenSolverType _eigen_solver_type
 Enum stating which type of eigensolver to use. More...
 
EigenProblemType _eigen_problem_type
 Enum stating which type of eigen problem we deal with. More...
 
PositionOfSpectrum _position_of_spectrum
 Enum stating where to evaluate the spectrum. More...
 
bool _is_initialized
 Flag indicating if the data structures have been initialized. More...
 
SolverConfiguration_solver_configuration
 Optionally store a SolverOptions object that can be used to set parameters like solver type, tolerances and iteration limits. More...
 
Real _target_val
 
bool _close_matrix_before_solve
 
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::EigenSolver< T >

This class provides an interface to solvers for eigenvalue problems.

Author
Steffen Peterson
Date
2005 Base class which defines the interface for solving eigenproblems.

Definition at line 54 of file eigen_solver.h.

Member Typedef Documentation

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 119 of file reference_counter.h.

Constructor & Destructor Documentation

template<typename T >
libMesh::EigenSolver< T >::EigenSolver ( const Parallel::Communicator &comm_in  LIBMESH_CAN_DEFAULT_TO_COMMWORLD)

Constructor.

Initializes Solver data structures

Definition at line 302 of file eigen_solver.h.

302  :
303  ParallelObject(comm_in),
307  _is_initialized (false),
310 {
311 }
ParallelObject(const Parallel::Communicator &comm_in)
Constructor.
SolverConfiguration * _solver_configuration
Optionally store a SolverOptions object that can be used to set parameters like solver type...
Definition: eigen_solver.h:289
bool _is_initialized
Flag indicating if the data structures have been initialized.
Definition: eigen_solver.h:283
const class libmesh_nullptr_t libmesh_nullptr
PositionOfSpectrum _position_of_spectrum
Enum stating where to evaluate the spectrum.
Definition: eigen_solver.h:278
EigenSolverType _eigen_solver_type
Enum stating which type of eigensolver to use.
Definition: eigen_solver.h:268
EigenProblemType _eigen_problem_type
Enum stating which type of eigen problem we deal with.
Definition: eigen_solver.h:273
template<typename T >
libMesh::EigenSolver< T >::~EigenSolver ( )
virtual

Destructor.

Definition at line 317 of file eigen_solver.h.

References libMesh::EigenSolver< T >::clear().

318 {
319  this->clear ();
320 }
virtual void clear()
Release all memory and clear data structures.
Definition: eigen_solver.h:108

Member Function Documentation

template<typename T >
virtual void libMesh::EigenSolver< T >::attach_deflation_space ( NumericVector< T > &  deflation_vector)
pure virtual

Attach a deflation space defined by a single vector.

Implemented in libMesh::SlepcEigenSolver< T >.

Referenced by libMesh::EigenSolver< T >::set_position_of_spectrum().

template<typename T >
UniquePtr< EigenSolver< T > > libMesh::EigenSolver< T >::build ( const Parallel::Communicator &comm_in  LIBMESH_CAN_DEFAULT_TO_COMMWORLD,
const SolverPackage  solver_package = SLEPC_SOLVERS 
)
static

Builds an EigenSolver using the linear solver package specified by solver_package.

Definition at line 37 of file eigen_solver.C.

References libMesh::SLEPC_SOLVERS.

39 {
40  // Build the appropriate solver
41  switch (solver_package)
42  {
43 
44 #ifdef LIBMESH_HAVE_SLEPC
45  case SLEPC_SOLVERS:
46  return UniquePtr<EigenSolver<T>>(new SlepcEigenSolver<T>(comm));
47 #endif
48 
49  default:
50  libmesh_error_msg("ERROR: Unrecognized eigen solver package: " << solver_package);
51  }
52 
53  return UniquePtr<EigenSolver<T>>();
54 }
const Parallel::Communicator & comm() const
template<typename T >
virtual void libMesh::EigenSolver< T >::clear ( )
virtual

Release all memory and clear data structures.

Reimplemented in libMesh::SlepcEigenSolver< T >.

Definition at line 108 of file eigen_solver.h.

References libMesh::EigenSolver< T >::init().

Referenced by libMesh::EigenSolver< T >::~EigenSolver().

108 {}
const Parallel::Communicator& libMesh::ParallelObject::comm ( ) const
inherited
Returns
A reference to the Parallel::Communicator object used by this mesh.

Definition at line 87 of file parallel_object.h.

References libMesh::ParallelObject::_communicator.

Referenced by libMesh::__libmesh_petsc_diff_solver_monitor(), libMesh::__libmesh_petsc_diff_solver_residual(), libMesh::__libmesh_petsc_preconditioner_apply(), libMesh::__libmesh_petsc_snes_jacobian(), libMesh::__libmesh_petsc_snes_postcheck(), libMesh::__libmesh_petsc_snes_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::ParmetisPartitioner::_do_repartition(), libMesh::UniformRefinementEstimator::_estimate_error(), libMesh::BoundaryInfo::_find_id_maps(), libMesh::PetscLinearSolver< T >::_petsc_shell_matrix_get_diagonal(), libMesh::SlepcEigenSolver< T >::_petsc_shell_matrix_get_diagonal(), libMesh::PetscLinearSolver< T >::_petsc_shell_matrix_mult(), libMesh::SlepcEigenSolver< T >::_petsc_shell_matrix_mult(), libMesh::PetscLinearSolver< T >::_petsc_shell_matrix_mult_add(), libMesh::EquationSystems::_read_impl(), libMesh::MeshRefinement::_refine_elements(), libMesh::MeshRefinement::_smooth_flags(), add_cube_convex_hull_to_mesh(), libMesh::TransientRBConstruction::add_IC_to_RB_space(), libMesh::ImplicitSystem::add_matrix(), libMesh::RBConstruction::add_scaled_matrix_and_vector(), libMesh::System::add_vector(), libMesh::EigenSparseLinearSolver< T >::adjoint_solve(), libMesh::UnstructuredMesh::all_second_order(), libMesh::MeshTools::Modification::all_tri(), libMesh::LaplaceMeshSmoother::allgather_graph(), 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::ParmetisPartitioner::assign_partitioning(), libMesh::DofMap::attach_matrix(), libMesh::Parallel::BinSorter< KeyType, IdxType >::binsort(), libMesh::Parallel::Sort< KeyType, IdxType >::binsort(), libMesh::MeshCommunication::broadcast(), libMesh::SparseMatrix< T >::build(), libMesh::MeshTools::Generation::build_extrusion(), libMesh::Parallel::Histogram< KeyType, IdxType >::build_histogram(), libMesh::PetscNonlinearSolver< T >::build_mat_null_space(), libMesh::BoundaryInfo::build_node_list_from_side_list(), libMesh::EquationSystems::build_parallel_solution_vector(), libMesh::MeshBase::cache_elem_dims(), libMesh::System::calculate_norm(), libMesh::DofMap::check_dirichlet_bcid_consistency(), libMesh::Parallel::Sort< KeyType, IdxType >::communicate_bins(), 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::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::MeshTools::correct_node_proc_ids(), libMesh::MeshTools::create_bounding_box(), 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::MeshRefinement::eliminate_unrefined_patches(), libMesh::RBEIMConstruction::enrich_RB_space(), libMesh::TransientRBConstruction::enrich_RB_space(), libMesh::RBConstruction::enrich_RB_space(), AssembleOptimization::equality_constraints(), libMesh::WeightedPatchRecoveryErrorEstimator::estimate_error(), libMesh::JumpErrorEstimator::estimate_error(), libMesh::PatchRecoveryErrorEstimator::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_nelem_target(), libMesh::MeshCommunication::gather(), libMesh::MeshCommunication::gather_neighboring_elements(), libMesh::MeshfreeInterpolation::gather_remote_data(), libMesh::CondensedEigenSystem::get_eigenpair(), libMesh::DofMap::get_info(), libMesh::ImplicitSystem::get_linear_solver(), libMesh::EquationSystems::get_solution(), AssembleOptimization::inequality_constraints(), AssembleOptimization::inequality_constraints_jacobian(), libMesh::LocationMap< T >::init(), libMesh::TopologyMap::init(), libMesh::PetscDiffSolver::init(), libMesh::TimeSolver::init(), libMesh::TaoOptimizationSolver< T >::init(), libMesh::PetscNonlinearSolver< T >::init(), libMesh::SystemSubsetBySubdomain::init(), libMesh::EigenSystem::init_data(), libMesh::EigenSystem::init_matrices(), libMesh::ParmetisPartitioner::initialize(), libMesh::OptimizationSystem::initialize_equality_constraints_storage(), libMesh::OptimizationSystem::initialize_inequality_constraints_storage(), libMesh::RBEIMConstruction::initialize_rb_construction(), integrate_function(), 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::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(), libMesh::MeshSerializer::MeshSerializer(), LinearElasticityWithContact::move_mesh(), libMesh::DistributedMesh::n_active_elem(), libMesh::MeshTools::n_active_levels(), libMesh::BoundaryInfo::n_boundary_conds(), 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(), new_function_base(), 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::Partitioner::partition(), libMesh::MetisPartitioner::partition_range(), libMesh::Partitioner::partition_unpartitioned_elements(), libMesh::petsc_auto_fieldsplit(), libMesh::System::point_gradient(), libMesh::System::point_hessian(), libMesh::System::point_value(), libMesh::MeshBase::prepare_for_use(), libMesh::SparseMatrix< T >::print(), FEMParameters::read(), libMesh::Nemesis_IO::read(), libMesh::CheckpointIO::read(), libMesh::XdrIO::read(), libMesh::CheckpointIO::read_header(), libMesh::XdrIO::read_header(), libMesh::RBEvaluation::read_in_vectors_from_multiple_files(), libMesh::TransientRBConstruction::read_riesz_representors_from_files(), libMesh::RBConstruction::read_riesz_representors_from_files(), libMesh::XdrIO::read_serialized_bc_names(), libMesh::XdrIO::read_serialized_bcs_helper(), libMesh::XdrIO::read_serialized_connectivity(), libMesh::XdrIO::read_serialized_nodes(), libMesh::XdrIO::read_serialized_nodesets(), libMesh::XdrIO::read_serialized_subdomain_names(), libMesh::MeshBase::recalculate_n_partitions(), libMesh::MeshCommunication::redistribute(), libMesh::MeshRefinement::refine_and_coarsen_elements(), libMesh::DistributedMesh::renumber_dof_objects(), LinearElasticityWithContact::residual_and_jacobian(), libMesh::MeshCommunication::send_coarse_ghosts(), libMesh::TransientRBConstruction::set_error_temporal_data(), libMesh::RBEIMConstruction::set_explicit_sys_subvector(), libMesh::Partitioner::set_node_processor_ids(), libMesh::DofMap::set_nonlocal_dof_objects(), libMesh::Partitioner::set_parent_processor_ids(), libMesh::LaplaceMeshSmoother::smooth(), libMesh::Parallel::Sort< KeyType, IdxType >::sort(), libMesh::MeshBase::subdomain_ids(), libMesh::BoundaryInfo::sync(), libMesh::Parallel::sync_element_data_by_parent_id(), libMesh::Parallel::sync_node_data_by_element_id(), libMesh::MeshRefinement::test_level_one(), MeshfunctionDFEM::test_mesh_function_dfem(), MeshfunctionDFEM::test_mesh_function_dfem_grad(), libMesh::MeshRefinement::test_unflagged(), PointLocatorTest::testLocator(), BoundaryInfoTest::testMesh(), SystemsTest::testProjectCubeWithMeshFunction(), 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::RBEvaluation::write_out_vectors(), libMesh::TransientRBConstruction::write_riesz_representors_to_files(), libMesh::RBConstruction::write_riesz_representors_to_files(), libMesh::XdrIO::write_serialized_bcs_helper(), 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().

88  { return _communicator; }
const Parallel::Communicator & _communicator
void libMesh::ReferenceCounter::disable_print_counter_info ( )
staticinherited

Definition at line 107 of file reference_counter.C.

References libMesh::ReferenceCounter::_enable_print_counter.

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

108 {
109  _enable_print_counter = false;
110  return;
111 }
static bool _enable_print_counter
Flag to control whether reference count information is printed when print_info is called...
template<typename T >
EigenProblemType libMesh::EigenSolver< T >::eigen_problem_type ( ) const
Returns
The type of the eigen problem.

Definition at line 123 of file eigen_solver.h.

References libMesh::EigenSolver< T >::_eigen_problem_type.

123 { return _eigen_problem_type;}
EigenProblemType _eigen_problem_type
Enum stating which type of eigen problem we deal with.
Definition: eigen_solver.h:273
template<typename T >
EigenSolverType libMesh::EigenSolver< T >::eigen_solver_type ( ) const
Returns
The type of eigensolver to use.

Definition at line 118 of file eigen_solver.h.

References libMesh::EigenSolver< T >::_eigen_solver_type.

118 { return _eigen_solver_type; }
EigenSolverType _eigen_solver_type
Enum stating which type of eigensolver to use.
Definition: eigen_solver.h:268
void libMesh::ReferenceCounter::enable_print_counter_info ( )
staticinherited

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

Definition at line 101 of file reference_counter.C.

References libMesh::ReferenceCounter::_enable_print_counter.

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

102 {
103  _enable_print_counter = true;
104  return;
105 }
static bool _enable_print_counter
Flag to control whether reference count information is printed when print_info is called...
template<typename T >
bool libMesh::EigenSolver< T >::get_close_matrix_before_solve ( ) const
Returns
The value of the flag which controls whether libmesh closes the eigenproblem matrices before solving. by default.

Definition at line 89 of file eigen_solver.h.

References libMesh::EigenSolver< T >::_close_matrix_before_solve.

90  {
91  libmesh_experimental();
93  }
template<typename T >
virtual std::pair<Real, Real> libMesh::EigenSolver< T >::get_eigenpair ( dof_id_type  i,
NumericVector< T > &  solution 
)
pure virtual
Returns
The ith eigenvalue (real and imaginary part), and copies the ith eigenvector into the solution vector.

Implemented in libMesh::SlepcEigenSolver< T >.

Referenced by libMesh::EigenSolver< T >::set_position_of_spectrum().

template<typename T >
virtual std::pair<Real, Real> libMesh::EigenSolver< T >::get_eigenvalue ( dof_id_type  i)
pure virtual
Returns
The ith eigenvalue (real and imaginary part).

Same as above function, except it does not copy the eigenvector.

Implemented in libMesh::SlepcEigenSolver< T >.

Referenced by libMesh::EigenSolver< T >::set_position_of_spectrum().

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

Gets a string containing the reference information.

Definition at line 47 of file reference_counter.C.

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

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

48 {
49 #if defined(LIBMESH_ENABLE_REFERENCE_COUNTING) && defined(DEBUG)
50 
51  std::ostringstream oss;
52 
53  oss << '\n'
54  << " ---------------------------------------------------------------------------- \n"
55  << "| Reference count information |\n"
56  << " ---------------------------------------------------------------------------- \n";
57 
58  for (Counts::iterator it = _counts.begin();
59  it != _counts.end(); ++it)
60  {
61  const std::string name(it->first);
62  const unsigned int creations = it->second.first;
63  const unsigned int destructions = it->second.second;
64 
65  oss << "| " << name << " reference count information:\n"
66  << "| Creations: " << creations << '\n'
67  << "| Destructions: " << destructions << '\n';
68  }
69 
70  oss << " ---------------------------------------------------------------------------- \n";
71 
72  return oss.str();
73 
74 #else
75 
76  return "";
77 
78 #endif
79 }
std::string name(const ElemQuality q)
This function returns a string containing some name for q.
Definition: elem_quality.C:39
static Counts _counts
Actually holds the data.
void libMesh::ReferenceCounter::increment_constructor_count ( const std::string &  name)
protectedinherited

Increments the construction counter.

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

Definition at line 185 of file reference_counter.h.

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

Referenced by libMesh::ReferenceCounter::n_objects(), and libMesh::ReferenceCountedObject< RBParametrized >::ReferenceCountedObject().

186 {
187  Threads::spin_mutex::scoped_lock lock(Threads::spin_mtx);
188  std::pair<unsigned int, unsigned int> & p = _counts[name];
189 
190  p.first++;
191 }
std::string name(const ElemQuality q)
This function returns a string containing some name for q.
Definition: elem_quality.C:39
spin_mutex spin_mtx
A convenient spin mutex object which can be used for obtaining locks.
Definition: threads.C:29
static Counts _counts
Actually holds the data.
void libMesh::ReferenceCounter::increment_destructor_count ( const std::string &  name)
protectedinherited

Increments the destruction counter.

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

Definition at line 198 of file reference_counter.h.

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

Referenced by libMesh::ReferenceCounter::n_objects(), and libMesh::ReferenceCountedObject< RBParametrized >::~ReferenceCountedObject().

199 {
200  Threads::spin_mutex::scoped_lock lock(Threads::spin_mtx);
201  std::pair<unsigned int, unsigned int> & p = _counts[name];
202 
203  p.second++;
204 }
std::string name(const ElemQuality q)
This function returns a string containing some name for q.
Definition: elem_quality.C:39
spin_mutex spin_mtx
A convenient spin mutex object which can be used for obtaining locks.
Definition: threads.C:29
static Counts _counts
Actually holds the data.
template<typename T >
virtual void libMesh::EigenSolver< T >::init ( )
pure virtual

Initialize data structures if not done so already.

Implemented in libMesh::SlepcEigenSolver< T >.

Referenced by libMesh::EigenSolver< T >::clear().

template<typename T >
bool libMesh::EigenSolver< T >::initialized ( ) const
Returns
true if the data structures are initialized, false otherwise.

Definition at line 82 of file eigen_solver.h.

References libMesh::EigenSolver< T >::_is_initialized.

82 { return _is_initialized; }
bool _is_initialized
Flag indicating if the data structures have been initialized.
Definition: eigen_solver.h:283
static unsigned int libMesh::ReferenceCounter::n_objects ( )
staticinherited
processor_id_type libMesh::ParallelObject::n_processors ( ) const
inherited
Returns
The number of processors in the group.

Definition at line 93 of file parallel_object.h.

References libMesh::ParallelObject::_communicator, and libMesh::Parallel::Communicator::size().

Referenced by libMesh::ParmetisPartitioner::_do_repartition(), libMesh::BoundaryInfo::_find_id_maps(), libMesh::DistributedMesh::add_elem(), libMesh::DistributedMesh::add_node(), libMesh::LaplaceMeshSmoother::allgather_graph(), libMesh::FEMSystem::assembly(), libMesh::ParmetisPartitioner::assign_partitioning(), libMesh::AztecLinearSolver< T >::AztecLinearSolver(), libMesh::MeshCommunication::broadcast(), libMesh::BoundaryInfo::build_node_list_from_side_list(), libMesh::DistributedMesh::clear(), libMesh::Nemesis_IO_Helper::compute_border_node_ids(), libMesh::Nemesis_IO_Helper::construct_nemesis_filename(), libMesh::MeshTools::correct_node_proc_ids(), 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::DistributedMesh::DistributedMesh(), libMesh::EnsightIO::EnsightIO(), libMesh::MeshCommunication::gather(), libMesh::MeshCommunication::gather_neighboring_elements(), libMesh::MeshBase::get_info(), libMesh::EquationSystems::get_solution(), libMesh::SystemSubsetBySubdomain::init(), libMesh::ParmetisPartitioner::initialize(), libMesh::Nemesis_IO_Helper::initialize(), libMesh::DistributedMesh::insert_elem(), 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::n_active_elem_on_proc(), libMesh::MeshBase::n_elem_on_proc(), libMesh::MeshBase::n_nodes_on_proc(), libMesh::SparsityPattern::Build::parallel_sync(), libMesh::Partitioner::partition(), libMesh::MeshBase::partition(), libMesh::Partitioner::partition_unpartitioned_elements(), libMesh::PetscLinearSolver< T >::PetscLinearSolver(), libMesh::System::point_gradient(), libMesh::System::point_hessian(), libMesh::System::point_value(), libMesh::SparseMatrix< T >::print(), libMesh::NameBasedIO::read(), libMesh::Nemesis_IO::read(), libMesh::CheckpointIO::read(), libMesh::CheckpointIO::read_connectivity(), libMesh::XdrIO::read_header(), libMesh::CheckpointIO::read_nodes(), libMesh::MeshCommunication::redistribute(), libMesh::DistributedMesh::renumber_dof_objects(), libMesh::Partitioner::repartition(), libMesh::MeshCommunication::send_coarse_ghosts(), libMesh::Partitioner::set_node_processor_ids(), libMesh::DofMap::set_nonlocal_dof_objects(), libMesh::Parallel::Sort< KeyType, IdxType >::sort(), WriteVecAndScalar::testWrite(), libMesh::MeshRefinement::uniformly_coarsen(), libMesh::DistributedMesh::update_parallel_id_counts(), libMesh::GMVIO::write_binary(), libMesh::GMVIO::write_discontinuous_gmv(), libMesh::XdrIO::write_serialized_bcs_helper(), libMesh::XdrIO::write_serialized_connectivity(), libMesh::XdrIO::write_serialized_nodes(), and libMesh::XdrIO::write_serialized_nodesets().

94  { return cast_int<processor_id_type>(_communicator.size()); }
unsigned int size() const
Definition: parallel.h:726
const Parallel::Communicator & _communicator
template<typename T >
PositionOfSpectrum libMesh::EigenSolver< T >::position_of_spectrum ( ) const
Returns
The position of the spectrum to compute.

Definition at line 128 of file eigen_solver.h.

References libMesh::EigenSolver< T >::_position_of_spectrum.

129  { return _position_of_spectrum;}
PositionOfSpectrum _position_of_spectrum
Enum stating where to evaluate the spectrum.
Definition: eigen_solver.h:278
void libMesh::ReferenceCounter::print_info ( std::ostream &  out = libMesh::out)
staticinherited

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

Definition at line 88 of file reference_counter.C.

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

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

89 {
91  out_stream << ReferenceCounter::get_info();
92 }
static std::string get_info()
Gets a string containing the reference information.
static bool _enable_print_counter
Flag to control whether reference count information is printed when print_info is called...
processor_id_type libMesh::ParallelObject::processor_id ( ) const
inherited
Returns
The rank of this processor in the group.

Definition at line 99 of file parallel_object.h.

References libMesh::ParallelObject::_communicator, and libMesh::Parallel::Communicator::rank().

Referenced by libMesh::BoundaryInfo::_find_id_maps(), libMesh::EquationSystems::_read_impl(), libMesh::DistributedMesh::add_elem(), libMesh::BoundaryInfo::add_elements(), libMesh::DofMap::add_neighbors_to_send_list(), libMesh::DistributedMesh::add_node(), libMesh::MeshRefinement::add_node(), libMesh::MeshTools::Modification::all_tri(), libMesh::FEMSystem::assembly(), libMesh::ParmetisPartitioner::assign_partitioning(), libMesh::MeshCommunication::broadcast(), libMesh::EquationSystems::build_discontinuous_solution_vector(), libMesh::Nemesis_IO_Helper::build_element_and_node_maps(), libMesh::ParmetisPartitioner::build_graph(), libMesh::InfElemBuilder::build_inf_elem(), libMesh::BoundaryInfo::build_node_list_from_side_list(), libMesh::DofMap::build_sparsity(), 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::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::EnsightIO::EnsightIO(), libMesh::RBEIMConstruction::evaluate_mesh_function(), libMesh::MeshFunction::find_element(), libMesh::MeshFunction::find_elements(), libMesh::UnstructuredMesh::find_neighbors(), libMesh::MeshCommunication::gather(), libMesh::MeshCommunication::gather_neighboring_elements(), 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::MeshBase::get_info(), 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::Nemesis_IO_Helper::get_node_cmap(), libMesh::Nemesis_IO_Helper::get_node_map(), libMesh::Nemesis_IO_Helper::get_ns_param_global(), libMesh::EquationSystems::get_solution(), libMesh::Nemesis_IO_Helper::get_ss_param_global(), libMesh::SparsityPattern::Build::handle_vi_vj(), libMesh::SystemSubsetBySubdomain::init(), HeatSystem::init_data(), libMesh::ParmetisPartitioner::initialize(), 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::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_parallel_consistent_procids< Elem >(), libMesh::MeshTools::libmesh_assert_parallel_consistent_procids< Node >(), 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::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::WeightedPatchRecoveryErrorEstimator::EstimateError::operator()(), libMesh::SparsityPattern::Build::operator()(), libMesh::PatchRecoveryErrorEstimator::EstimateError::operator()(), libMesh::SparsityPattern::Build::parallel_sync(), libMesh::MetisPartitioner::partition_range(), libMesh::System::point_gradient(), libMesh::System::point_hessian(), libMesh::System::point_value(), libMesh::SparseMatrix< T >::print(), libMesh::NumericVector< T >::print_global(), 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::CheckpointIO::read(), libMesh::XdrIO::read(), libMesh::ExodusII_IO_Helper::read_elem_num_map(), libMesh::CheckpointIO::read_header(), libMesh::XdrIO::read_header(), libMesh::RBEvaluation::read_in_vectors_from_multiple_files(), libMesh::ExodusII_IO_Helper::read_node_num_map(), libMesh::TransientRBConstruction::read_riesz_representors_from_files(), libMesh::RBConstruction::read_riesz_representors_from_files(), libMesh::XdrIO::read_serialized_bc_names(), libMesh::XdrIO::read_serialized_bcs_helper(), libMesh::XdrIO::read_serialized_connectivity(), libMesh::XdrIO::read_serialized_nodes(), libMesh::XdrIO::read_serialized_nodesets(), libMesh::XdrIO::read_serialized_subdomain_names(), libMesh::MeshCommunication::redistribute(), libMesh::DistributedMesh::renumber_dof_objects(), libMesh::MeshCommunication::send_coarse_ghosts(), libMesh::Partitioner::set_node_processor_ids(), libMesh::DofMap::set_nonlocal_dof_objects(), libMesh::LaplaceMeshSmoother::smooth(), DefaultCouplingTest::testCoupling(), PointNeighborCouplingTest::testCoupling(), BoundaryInfoTest::testShellFaceConstraints(), 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::MeshTools::weight(), libMesh::NameBasedIO::write(), libMesh::CheckpointIO::write(), libMesh::XdrIO::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_elements(), libMesh::ExodusII_IO::write_global_data(), libMesh::ExodusII_IO_Helper::write_global_values(), libMesh::ExodusII_IO::write_information_records(), libMesh::ExodusII_IO_Helper::write_information_records(), libMesh::ExodusII_IO_Helper::write_nodal_coordinates(), 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::RBConstruction::write_riesz_representors_to_files(), libMesh::XdrIO::write_serialized_bc_names(), libMesh::XdrIO::write_serialized_bcs_helper(), libMesh::XdrIO::write_serialized_connectivity(), libMesh::XdrIO::write_serialized_nodes(), libMesh::XdrIO::write_serialized_nodesets(), libMesh::XdrIO::write_serialized_subdomain_names(), libMesh::Nemesis_IO_Helper::write_sidesets(), libMesh::ExodusII_IO_Helper::write_sidesets(), libMesh::ExodusII_IO::write_timestep(), and libMesh::ExodusII_IO_Helper::write_timestep().

100  { return cast_int<processor_id_type>(_communicator.rank()); }
const Parallel::Communicator & _communicator
unsigned int rank() const
Definition: parallel.h:724
template<typename T >
void libMesh::EigenSolver< T >::set_close_matrix_before_solve ( bool  val)

Set the flag which controls whether libmesh closes the eigenproblem matrices before solving.

Definition at line 99 of file eigen_solver.h.

References libMesh::EigenSolver< T >::_close_matrix_before_solve.

100  {
101  libmesh_experimental();
103  }
template<typename T >
void libMesh::EigenSolver< T >::set_eigenproblem_type ( EigenProblemType  ept)

Sets the type of the eigenproblem.

Definition at line 140 of file eigen_solver.h.

References libMesh::EigenSolver< T >::_eigen_problem_type.

141  {_eigen_problem_type = ept;}
EigenProblemType _eigen_problem_type
Enum stating which type of eigen problem we deal with.
Definition: eigen_solver.h:273
template<typename T >
void libMesh::EigenSolver< T >::set_eigensolver_type ( const EigenSolverType  est)

Sets the type of eigensolver to use.

Definition at line 134 of file eigen_solver.h.

References libMesh::EigenSolver< T >::_eigen_solver_type.

135  { _eigen_solver_type = est; }
EigenSolverType _eigen_solver_type
Enum stating which type of eigensolver to use.
Definition: eigen_solver.h:268
template<typename T >
virtual void libMesh::EigenSolver< T >::set_initial_space ( NumericVector< T > &  initial_space_in)
pure virtual

Provide one basis vector for the initial guess.

Implemented in libMesh::SlepcEigenSolver< T >.

Referenced by libMesh::EigenSolver< T >::set_position_of_spectrum().

template<typename T >
void libMesh::EigenSolver< T >::set_position_of_spectrum ( PositionOfSpectrum  pos)
template<typename T >
void libMesh::EigenSolver< T >::set_position_of_spectrum ( Real  pos)

Definition at line 64 of file eigen_solver.C.

References libMesh::TARGET_MAGNITUDE, and libMesh::TARGET_REAL.

65 {
66  if (pos >= 0)
68  else
70 
71  _target_val = pos;
72 }
PositionOfSpectrum _position_of_spectrum
Enum stating where to evaluate the spectrum.
Definition: eigen_solver.h:278
template<typename T >
void libMesh::EigenSolver< T >::set_position_of_spectrum ( Real  pos,
PositionOfSpectrum  target 
)

Definition at line 75 of file eigen_solver.C.

76 {
77  _position_of_spectrum = target;
78  _target_val = pos;
79 }
PositionOfSpectrum _position_of_spectrum
Enum stating where to evaluate the spectrum.
Definition: eigen_solver.h:278
template<typename T >
void libMesh::EigenSolver< T >::set_solver_configuration ( SolverConfiguration solver_configuration)

Set the solver configuration object.

Definition at line 58 of file eigen_solver.C.

Referenced by libMesh::EigenSolver< T >::set_position_of_spectrum().

59 {
60  _solver_configuration = &solver_configuration;
61 }
SolverConfiguration * _solver_configuration
Optionally store a SolverOptions object that can be used to set parameters like solver type...
Definition: eigen_solver.h:289
template<typename T >
virtual std::pair<unsigned int, unsigned int> libMesh::EigenSolver< T >::solve_generalized ( SparseMatrix< T > &  matrix_A,
SparseMatrix< T > &  matrix_B,
int  nev,
int  ncv,
const double  tol,
const unsigned int  m_its 
)
pure virtual

Solves the generalized eigenproblem involving SparseMatrices matrix_A and matrix_B.

Returns
The number of converged eigenpairs and the number of iterations.

Implemented in libMesh::SlepcEigenSolver< T >.

Referenced by libMesh::EigenSolver< T >::set_position_of_spectrum().

template<typename T >
virtual std::pair<unsigned int, unsigned int> libMesh::EigenSolver< T >::solve_generalized ( ShellMatrix< T > &  matrix_A,
SparseMatrix< T > &  matrix_B,
int  nev,
int  ncv,
const double  tol,
const unsigned int  m_its 
)
pure virtual

Solves the generalized eigenproblem with ShellMatrix matrix_A and SparseMatrix matrix_B.

Returns
The number of converged eigenpairs and the number of iterations.

Implemented in libMesh::SlepcEigenSolver< T >.

template<typename T >
virtual std::pair<unsigned int, unsigned int> libMesh::EigenSolver< T >::solve_generalized ( SparseMatrix< T > &  matrix_A,
ShellMatrix< T > &  matrix_B,
int  nev,
int  ncv,
const double  tol,
const unsigned int  m_its 
)
pure virtual

Solves the generalized eigenproblem with SparseMatrix matrix_A and ShellMatrix matrix_B.

Returns
The number of converged eigenpairs and the number of iterations.

Implemented in libMesh::SlepcEigenSolver< T >.

template<typename T >
virtual std::pair<unsigned int, unsigned int> libMesh::EigenSolver< T >::solve_generalized ( ShellMatrix< T > &  matrix_A,
ShellMatrix< T > &  matrix_B,
int  nev,
int  ncv,
const double  tol,
const unsigned int  m_its 
)
pure virtual

Solves the generalized eigenproblem involving ShellMatrices matrix_A and matrix_B.

Returns
The number of converged eigenpairs and the number of iterations.

Implemented in libMesh::SlepcEigenSolver< T >.

template<typename T >
virtual std::pair<unsigned int, unsigned int> libMesh::EigenSolver< T >::solve_standard ( SparseMatrix< T > &  matrix_A,
int  nev,
int  ncv,
const double  tol,
const unsigned int  m_its 
)
pure virtual

Solves the standard eigenproblem involving the SparseMatrix matrix_A.

Returns
The number of converged eigenpairs and the number of iterations.

Implemented in libMesh::SlepcEigenSolver< T >.

Referenced by libMesh::EigenSolver< T >::set_position_of_spectrum().

template<typename T >
virtual std::pair<unsigned int, unsigned int> libMesh::EigenSolver< T >::solve_standard ( ShellMatrix< T > &  matrix_A,
int  nev,
int  ncv,
const double  tol,
const unsigned int  m_its 
)
pure virtual

Solves the standard eigenproblem involving the ShellMatrix matrix_A.

Returns
The number of converged eigenpairs and the number of iterations.

Implemented in libMesh::SlepcEigenSolver< T >.

Member Data Documentation

template<typename T >
bool libMesh::EigenSolver< T >::_close_matrix_before_solve
protected
const Parallel::Communicator& libMesh::ParallelObject::_communicator
protectedinherited
ReferenceCounter::Counts libMesh::ReferenceCounter::_counts
staticprotectedinherited
template<typename T >
EigenProblemType libMesh::EigenSolver< T >::_eigen_problem_type
protected

Enum stating which type of eigen problem we deal with.

Definition at line 273 of file eigen_solver.h.

Referenced by libMesh::EigenSolver< T >::eigen_problem_type(), libMesh::EigenSolver< T >::set_eigenproblem_type(), and libMesh::SlepcEigenSolver< T >::SlepcEigenSolver().

template<typename T >
EigenSolverType libMesh::EigenSolver< T >::_eigen_solver_type
protected
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 143 of file reference_counter.h.

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

template<typename T >
bool libMesh::EigenSolver< T >::_is_initialized
protected

Flag indicating if the data structures have been initialized.

Definition at line 283 of file eigen_solver.h.

Referenced by libMesh::EigenSolver< T >::initialized().

Threads::spin_mutex libMesh::ReferenceCounter::_mutex
staticprotectedinherited

Mutual exclusion object to enable thread-safe reference counting.

Definition at line 137 of file reference_counter.h.

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 132 of file reference_counter.h.

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

template<typename T >
PositionOfSpectrum libMesh::EigenSolver< T >::_position_of_spectrum
protected

Enum stating where to evaluate the spectrum.

Definition at line 278 of file eigen_solver.h.

Referenced by libMesh::EigenSolver< T >::position_of_spectrum(), and libMesh::EigenSolver< T >::set_position_of_spectrum().

template<typename T >
SolverConfiguration* libMesh::EigenSolver< T >::_solver_configuration
protected

Optionally store a SolverOptions object that can be used to set parameters like solver type, tolerances and iteration limits.

Definition at line 289 of file eigen_solver.h.

template<typename T >
Real libMesh::EigenSolver< T >::_target_val
protected

Definition at line 291 of file eigen_solver.h.


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