deal.II version GIT relicensing-2076-g6b43d56a25 2024-11-02 12:30:00+00:00
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#include <deal.II/lac/trilinos_sparse_matrix.h>
Public Types | |
using | VectorType = Epetra_MultiVector |
using | Range = VectorType |
using | Domain = VectorType |
using | size_type = ::types::global_dof_index |
Private Member Functions | |
template<typename EpetraOpType > | |
TrilinosPayload (EpetraOpType &op, const bool supports_inverse_operations, const bool use_transpose, const MPI_Comm mpi_communicator, const IndexSet &locally_owned_domain_indices, const IndexSet &locally_owned_range_indices) | |
virtual bool | HasNormInf () const override |
virtual double | NormInf () const override |
Private Attributes | |
bool | use_transpose |
Epetra_MpiComm | communicator |
Epetra_Map | domain_map |
Epetra_Map | range_map |
LinearOperator functionality | |
std::function< void(VectorType &, const VectorType &)> | vmult |
std::function< void(VectorType &, const VectorType &)> | Tvmult |
std::function< void(VectorType &, const VectorType &)> | inv_vmult |
std::function< void(VectorType &, const VectorType &)> | inv_Tvmult |
IndexSet | locally_owned_domain_indices () const |
IndexSet | locally_owned_range_indices () const |
MPI_Comm | get_mpi_communicator () const |
void | transpose () |
This is an extension class to LinearOperators for Trilinos sparse matrix and preconditioner types. It provides the interface to performing basic operations (vmult
and Tvmult
) on Trilinos vector types. It fulfills the requirements necessary for wrapping a Trilinos solver, which calls Epetra_Operator functions, as a LinearOperator.
vmult
and Tvmult
functions. This object is not thread-safe when the transpose flag is set on it or the Trilinos object to which it refers. See the documentation for the TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::SetUseTranspose() function for further details. Definition at line 2069 of file trilinos_sparse_matrix.h.
using TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::VectorType = Epetra_MultiVector |
Definition for the internally supported vector type.
Definition at line 2075 of file trilinos_sparse_matrix.h.
Definition for the vector type for the domain space of the operator.
Definition at line 2080 of file trilinos_sparse_matrix.h.
using TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::Domain = VectorType |
Definition for the vector type for the range space of the operator.
Definition at line 2085 of file trilinos_sparse_matrix.h.
using TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::size_type = ::types::global_dof_index |
Index of the referenced element of the vector.
Definition at line 2090 of file trilinos_sparse_matrix.h.
TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::TrilinosPayload | ( | ) |
Default constructor
Definition at line 2325 of file trilinos_sparse_matrix.cc.
TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::TrilinosPayload | ( | const TrilinosWrappers::SparseMatrix & | matrix_exemplar, |
const TrilinosWrappers::SparseMatrix & | matrix | ||
) |
Constructor for a sparse matrix based on an exemplary matrix
Definition at line 2358 of file trilinos_sparse_matrix.cc.
TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::TrilinosPayload | ( | const TrilinosPayload & | payload_exemplar, |
const TrilinosWrappers::SparseMatrix & | matrix | ||
) |
Constructor for a sparse matrix based on an exemplary payload
Definition at line 2372 of file trilinos_sparse_matrix.cc.
TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::TrilinosPayload | ( | const TrilinosWrappers::SparseMatrix & | matrix_exemplar, |
const TrilinosWrappers::PreconditionBase & | preconditioner | ||
) |
Constructor for a preconditioner based on an exemplary matrix
Definition at line 2387 of file trilinos_sparse_matrix.cc.
TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::TrilinosPayload | ( | const TrilinosWrappers::PreconditionBase & | preconditioner_exemplar, |
const TrilinosWrappers::PreconditionBase & | preconditioner | ||
) |
Constructor for a preconditioner based on an exemplary preconditioner
Definition at line 2400 of file trilinos_sparse_matrix.cc.
TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::TrilinosPayload | ( | const TrilinosPayload & | payload_exemplar, |
const TrilinosWrappers::PreconditionBase & | preconditioner | ||
) |
Constructor for a preconditioner based on an exemplary payload
Definition at line 2414 of file trilinos_sparse_matrix.cc.
TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::TrilinosPayload | ( | const TrilinosPayload & | payload | ) |
Default copy constructor
Definition at line 2427 of file trilinos_sparse_matrix.cc.
TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::TrilinosPayload | ( | const TrilinosPayload & | first_op, |
const TrilinosPayload & | second_op | ||
) |
Composite copy constructor
This is required for PackagedOperations as it sets up the domain and range maps, and composite vmult
and Tvmult
operations based on the combined operation of both operations
Definition at line 2442 of file trilinos_sparse_matrix.cc.
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overridevirtualdefault |
Destructor
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private |
A generic constructor.
This constructor allows the payload to be configured from any objects that can be cast to an Epetra operation. The supports_inverse_operations
flag indicates that the op
can be used to compute inverse operations; preconditioners have such a facility.
TrilinosPayload TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::identity_payload | ( | ) | const |
Return a payload configured for identity operations
Definition at line 2455 of file trilinos_sparse_matrix.cc.
TrilinosPayload TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::null_payload | ( | ) | const |
Return a payload configured for null operations
Definition at line 2481 of file trilinos_sparse_matrix.cc.
TrilinosPayload TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::transpose_payload | ( | ) | const |
Return a payload configured for transpose operations
Definition at line 2521 of file trilinos_sparse_matrix.cc.
std::enable_if_t< std::is_base_of_v< TrilinosWrappers::SolverBase, Solver > && std::is_base_of_v< TrilinosWrappers::PreconditionBase, Preconditioner >, TrilinosPayload > TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::inverse_payload | ( | Solver & | , |
const Preconditioner & | |||
) | const |
Return a payload configured for inverse operations
Invoking this factory function will configure two additional functions, namely inv_vmult
and inv_Tvmult
, both of which wrap inverse operations. The vmult
and Tvmult
operations retain the standard definitions inherited from op
.
Solver
derives from TrilinosWrappers::SolverBase, andPreconditioner
derives from TrilinosWrappers::PreconditionBase. std::enable_if_t< !(std::is_base_of_v< TrilinosWrappers::SolverBase, Solver > && std::is_base_of_v< TrilinosWrappers::PreconditionBase, Preconditioner >), TrilinosPayload > TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::inverse_payload | ( | Solver & | , |
const Preconditioner & | |||
) | const |
Return a payload configured for inverse operations
Invoking this factory function will configure two additional functions, namely inv_vmult
and inv_Tvmult
, both of which are disabled because the Solver
or Preconditioner
are not compatible with Epetra_MultiVector. The vmult
and Tvmult
operations retain the standard definitions inherited from op
.
Solver
does not derive from TrilinosWrappers::SolverBase, andPreconditioner
does not derive from TrilinosWrappers::PreconditionBase. IndexSet TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::locally_owned_domain_indices | ( | ) | const |
Return an IndexSet that defines the partitioning of the domain space of this matrix, i.e., the partitioning of the vectors this matrix has to be multiplied with / operate on.
Definition at line 2531 of file trilinos_sparse_matrix.cc.
IndexSet TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::locally_owned_range_indices | ( | ) | const |
Return an IndexSet that defines the partitioning of the range space of this matrix, i.e., the partitioning of the vectors that result from matrix-vector products.
Definition at line 2539 of file trilinos_sparse_matrix.cc.
MPI_Comm TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::get_mpi_communicator | ( | ) | const |
Return the MPI communicator object in use with this Payload.
Definition at line 2547 of file trilinos_sparse_matrix.cc.
void TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::transpose | ( | ) |
Sets an internal flag so that all operations performed by the matrix, i.e., multiplications, are done in transposed order.
Definition at line 2555 of file trilinos_sparse_matrix.cc.
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overridevirtual |
Return the status of the transpose flag for this operator
This overloads the same function from the Trilinos class Epetra_Operator.
Definition at line 2563 of file trilinos_sparse_matrix.cc.
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overridevirtual |
Sets an internal flag so that all operations performed by the matrix, i.e., multiplications, are done in transposed order.
This overloads the same function from the Trilinos class Epetra_Operator.
Definition at line 2571 of file trilinos_sparse_matrix.cc.
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overridevirtual |
Apply the vmult operation on a vector X
(of internally defined type VectorType) and store the result in the vector Y
.
This overloads the same function from the Trilinos class Epetra_Operator.
Definition at line 2586 of file trilinos_sparse_matrix.cc.
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overridevirtual |
Apply the vmult inverse operation on a vector X
(of internally defined type VectorType) and store the result in the vector Y
.
In practise, this function is only called from a Trilinos solver if the wrapped object is to act as a preconditioner.
This overloads the same function from the Trilinos class Epetra_Operator.
Definition at line 2597 of file trilinos_sparse_matrix.cc.
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overridevirtual |
Return a label to describe this class.
This overloads the same function from the Trilinos class Epetra_Operator.
Definition at line 2608 of file trilinos_sparse_matrix.cc.
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Return a reference to the underlying MPI communicator for this object.
This overloads the same function from the Trilinos class Epetra_Operator.
Definition at line 2616 of file trilinos_sparse_matrix.cc.
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Return the partitioning of the domain space of this matrix, i.e., the partitioning of the vectors this matrix has to be multiplied with.
This overloads the same function from the Trilinos class Epetra_Operator.
Definition at line 2624 of file trilinos_sparse_matrix.cc.
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overridevirtual |
Return the partitioning of the range space of this matrix, i.e., the partitioning of the vectors that are result from matrix-vector products.
This overloads the same function from the Trilinos class Epetra_Operator.
Definition at line 2632 of file trilinos_sparse_matrix.cc.
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overrideprivatevirtual |
Return a flag that describes whether this operator can return the computation of the infinity norm. Since in general this is not the case, this always returns a negative result.
This overloads the same function from the Trilinos class Epetra_Operator.
Definition at line 2640 of file trilinos_sparse_matrix.cc.
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overrideprivatevirtual |
Return the infinity norm of this operator. Throws an error since, in general, we cannot compute this value.
This overloads the same function from the Trilinos class Epetra_Operator.
Definition at line 2648 of file trilinos_sparse_matrix.cc.
std::function<void(VectorType &, const VectorType &)> TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::vmult |
The standard matrix-vector operation to be performed by the payload when Apply is called.
Definition at line 2271 of file trilinos_sparse_matrix.h.
std::function<void(VectorType &, const VectorType &)> TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::Tvmult |
The standard transpose matrix-vector operation to be performed by the payload when Apply is called.
Definition at line 2280 of file trilinos_sparse_matrix.h.
std::function<void(VectorType &, const VectorType &)> TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::inv_vmult |
The inverse matrix-vector operation to be performed by the payload when ApplyInverse is called.
Definition at line 2290 of file trilinos_sparse_matrix.h.
std::function<void(VectorType &, const VectorType &)> TrilinosWrappers::internal::LinearOperatorImplementation::TrilinosPayload::inv_Tvmult |
The inverse transpose matrix-vector operation to be performed by the payload when ApplyInverse is called.
Definition at line 2300 of file trilinos_sparse_matrix.h.
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private |
A flag recording whether the operator is to perform standard matrix-vector multiplication, or the transpose operation.
Definition at line 2440 of file trilinos_sparse_matrix.h.
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Internal communication pattern in case the matrix needs to be copied from deal.II format.
Definition at line 2446 of file trilinos_sparse_matrix.h.
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Epetra_Map that sets the partitioning of the domain space of this operator.
Definition at line 2452 of file trilinos_sparse_matrix.h.
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Epetra_Map that sets the partitioning of the range space of this operator.
Definition at line 2458 of file trilinos_sparse_matrix.h.