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Reference documentation for deal.II version 9.4.1
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#include <deal.II/lac/trilinos_precondition.h>
Classes | |
struct | AdditionalData |
Public Types | |
using | size_type = ::types::global_dof_index |
Public Member Functions | |
void | initialize (const SparseMatrix &matrix, const AdditionalData &additional_data=AdditionalData()) |
void | clear () |
MPI_Comm | get_mpi_communicator () const |
void | transpose () |
virtual void | vmult (MPI::Vector &dst, const MPI::Vector &src) const |
virtual void | vmult (::Vector< double > &dst, const ::Vector< double > &src) const |
virtual void | vmult (::LinearAlgebra::distributed::Vector< double > &dst, const ::LinearAlgebra::distributed::Vector< double > &src) const |
virtual void | Tvmult (MPI::Vector &dst, const MPI::Vector &src) const |
virtual void | Tvmult (::Vector< double > &dst, const ::Vector< double > &src) const |
virtual void | Tvmult (::LinearAlgebra::distributed::Vector< double > &dst, const ::LinearAlgebra::distributed::Vector< double > &src) const |
Access to underlying Trilinos data | |
Epetra_Operator & | trilinos_operator () const |
Partitioners | |
IndexSet | locally_owned_domain_indices () const |
IndexSet | locally_owned_range_indices () const |
Teuchos::RCP< Epetra_Operator > | preconditioner |
Epetra_MpiComm | communicator |
std::shared_ptr< Epetra_Map > | vector_distributor |
static ::ExceptionBase & | ExcNonMatchingMaps (std::string arg1) |
Subscriptor functionality | |
Classes derived from Subscriptor provide a facility to subscribe to this object. This is mostly used by the SmartPointer class. | |
void | subscribe (std::atomic< bool > *const validity, const std::string &identifier="") const |
void | unsubscribe (std::atomic< bool > *const validity, const std::string &identifier="") const |
unsigned int | n_subscriptions () const |
template<typename StreamType > | |
void | list_subscribers (StreamType &stream) const |
void | list_subscribers () const |
template<class Archive > | |
void | serialize (Archive &ar, const unsigned int version) |
static ::ExceptionBase & | ExcInUse (int arg1, std::string arg2, std::string arg3) |
static ::ExceptionBase & | ExcNoSubscriber (std::string arg1, std::string arg2) |
using | map_value_type = decltype(counter_map)::value_type |
using | map_iterator = decltype(counter_map)::iterator |
std::atomic< unsigned int > | counter |
std::map< std::string, unsigned int > | counter_map |
std::vector< std::atomic< bool > * > | validity_pointers |
const std::type_info * | object_info |
static std::mutex | mutex |
void | check_no_subscribers () const noexcept |
A wrapper class for a sparse direct LU decomposition on parallel blocks for Trilinos matrices. When run in serial, this corresponds to a direct solve on the matrix.
The AdditionalData data structure allows to set preconditioner options.
Note that a parallel application of the block direct solve preconditioner is actually a block-Jacobi preconditioner with block size equal to the local matrix size. Spoken more technically, this parallel operation is an additive Schwarz method with an exact solve as inner solver, based on the (outer) parallel partitioning.
Definition at line 1181 of file trilinos_precondition.h.