43 #ifndef IFPACK2_OVERLAPPINGROWMATRIX_DECL_HPP 44 #define IFPACK2_OVERLAPPINGROWMATRIX_DECL_HPP 46 #include "Ifpack2_Details_RowMatrix.hpp" 47 #include "Tpetra_CrsMatrix_decl.hpp" 48 #include "Tpetra_Import.hpp" 49 #include "Tpetra_Map.hpp" 50 #include <type_traits> 57 template<
class MatrixType>
63 typedef typename MatrixType::scalar_type scalar_type;
64 typedef typename MatrixType::local_ordinal_type local_ordinal_type;
65 typedef typename MatrixType::global_ordinal_type global_ordinal_type;
66 typedef typename MatrixType::node_type node_type;
67 typedef typename Teuchos::ScalarTraits<scalar_type>::magnitudeType magnitude_type;
68 typedef Tpetra::RowMatrix<scalar_type, local_ordinal_type,
69 global_ordinal_type, node_type> row_matrix_type;
71 static_assert(std::is_same<MatrixType, row_matrix_type>::value,
"Ifpack2::OverlappingRowMatrix: The template parameter MatrixType must be a Tpetra::RowMatrix specialization. Please don't use Tpetra::CrsMatrix (a subclass of Tpetra::RowMatrix) here anymore. The constructor can take either a RowMatrix or a CrsMatrix just fine.");
73 typedef typename row_matrix_type::mag_type mag_type;
90 const int overlapLevel);
100 virtual Teuchos::RCP<const Teuchos::Comm<int> >
getComm()
const;
103 virtual Teuchos::RCP<node_type>
getNode()
const;
106 virtual Teuchos::RCP<const Tpetra::Map<local_ordinal_type, global_ordinal_type, node_type> >
110 virtual Teuchos::RCP<const Tpetra::Map<local_ordinal_type, global_ordinal_type, node_type> >
116 virtual Teuchos::RCP<const Tpetra::Map<local_ordinal_type, global_ordinal_type, node_type> >
122 virtual Teuchos::RCP<const Tpetra::Map<local_ordinal_type, global_ordinal_type, node_type> >
126 virtual Teuchos::RCP<const Tpetra::RowGraph<local_ordinal_type, global_ordinal_type, node_type> >
214 const Teuchos::ArrayView<global_ordinal_type> &Indices,
215 const Teuchos::ArrayView<scalar_type> &Values,
216 size_t &NumEntries)
const;
231 const Teuchos::ArrayView<local_ordinal_type> &Indices,
232 const Teuchos::ArrayView<scalar_type> &Values,
233 size_t &NumEntries)
const;
247 Teuchos::ArrayView<const global_ordinal_type> &indices,
248 Teuchos::ArrayView<const scalar_type> &values)
const;
262 Teuchos::ArrayView<const local_ordinal_type> &indices,
263 Teuchos::ArrayView<const scalar_type> &values)
const;
269 void getLocalDiagCopy (Tpetra::Vector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &diag)
const;
285 leftScale (
const Tpetra::Vector<scalar_type, local_ordinal_type, global_ordinal_type, node_type>& x);
297 rightScale (
const Tpetra::Vector<scalar_type, local_ordinal_type, global_ordinal_type, node_type>& x);
315 apply (
const Tpetra::MultiVector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &X,
316 Tpetra::MultiVector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &Y,
317 Teuchos::ETransp mode = Teuchos::NO_TRANS,
318 scalar_type alpha = Teuchos::ScalarTraits<scalar_type>::one(),
319 scalar_type beta = Teuchos::ScalarTraits<scalar_type>::zero())
const;
325 importMultiVector (
const Tpetra::MultiVector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &X,
326 Tpetra::MultiVector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &OvX,
327 Tpetra::CombineMode CM = Tpetra::INSERT);
330 exportMultiVector (
const Tpetra::MultiVector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &OvX,
331 Tpetra::MultiVector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &X,
332 Tpetra::CombineMode CM = Tpetra::ADD);
335 std::string description()
const;
337 void describe(Teuchos::FancyOStream &out,
const Teuchos::EVerbosityLevel verbLevel)
const;
339 virtual Teuchos::RCP<const row_matrix_type> getUnderlyingMatrix()
const;
342 typedef Tpetra::Map<local_ordinal_type, global_ordinal_type, node_type> map_type;
343 typedef Tpetra::Import<local_ordinal_type, global_ordinal_type, node_type> import_type;
344 typedef Tpetra::Export<local_ordinal_type, global_ordinal_type, node_type> export_type;
345 typedef Tpetra::RowGraph<local_ordinal_type, global_ordinal_type, node_type> row_graph_type;
346 typedef Tpetra::CrsMatrix<scalar_type, local_ordinal_type, global_ordinal_type, node_type> crs_matrix_type;
347 typedef Tpetra::Vector<scalar_type, local_ordinal_type, global_ordinal_type, node_type> vector_type;
350 Teuchos::RCP<const row_matrix_type> A_;
352 Tpetra::global_size_t NumGlobalRows_;
353 Tpetra::global_size_t NumGlobalNonzeros_;
354 size_t MaxNumEntries_;
358 Teuchos::RCP<const map_type> RowMap_;
359 Teuchos::RCP<const map_type> ColMap_;
360 Teuchos::RCP<const import_type> Importer_;
363 Teuchos::RCP<row_matrix_type> ExtMatrix_;
364 Teuchos::RCP<map_type> ExtMap_;
365 Teuchos::RCP<import_type> ExtImporter_;
368 Teuchos::RCP<const row_graph_type> graph_;
371 mutable Teuchos::Array<local_ordinal_type> Indices_;
373 mutable Teuchos::Array<scalar_type> Values_;
379 #endif // IFPACK2_OVERLAPPINGROWMATRIX_DECL_HPP virtual Teuchos::RCP< const Tpetra::Map< local_ordinal_type, global_ordinal_type, node_type > > getDomainMap() const
The Map that describes the domain of this matrix.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:269
virtual Teuchos::RCP< const Tpetra::Map< local_ordinal_type, global_ordinal_type, node_type > > getRangeMap() const
The Map that describes the range of this matrix.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:285
All Ifpack2 implementations of Tpetra::RowMatrix must inherit from this class.
Definition: Ifpack2_Details_RowMatrix.hpp:64
virtual Teuchos::RCP< const Tpetra::RowGraph< local_ordinal_type, global_ordinal_type, node_type > > getGraph() const
This matrix's graph.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:293
virtual void getGlobalRowView(global_ordinal_type GlobalRow, Teuchos::ArrayView< const global_ordinal_type > &indices, Teuchos::ArrayView< const scalar_type > &values) const
Extract a const, non-persisting view of global indices in a specified row of the matrix.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:463
virtual Teuchos::RCP< const Tpetra::Map< local_ordinal_type, global_ordinal_type, node_type > > getColMap() const
The Map that describes the distribution of columns over processes.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:260
virtual bool hasTransposeApply() const
Whether this operator's apply() method can apply the adjoint (transpose).
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:673
virtual mag_type getFrobeniusNorm() const
Returns the Frobenius norm of the matrix.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:552
virtual size_t getNumEntriesInGlobalRow(global_ordinal_type globalRow) const
The number of entries in the given global row that are owned by the calling process.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:352
virtual Teuchos::RCP< const Teuchos::Comm< int > > getComm() const
The communicator over which the matrix is distributed.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:235
virtual bool isLocallyIndexed() const
Whether this matrix is locally indexed.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:400
virtual global_size_t getGlobalNumCols() const
The global number of columns in this matrix.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:307
virtual void leftScale(const Tpetra::Vector< scalar_type, local_ordinal_type, global_ordinal_type, node_type > &x)
Scales the RowMatrix on the left with the Vector x.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:535
virtual bool isFillComplete() const
true if fillComplete() has been called, else false.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:414
virtual bool isGloballyIndexed() const
Whether this matrix is globally indexed.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:407
virtual Teuchos::RCP< const Tpetra::Map< local_ordinal_type, global_ordinal_type, node_type > > getRowMap() const
The Map that describes the distribution of rows over processes.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:251
virtual bool hasColMap() const
Whether this matrix has a column Map.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:393
virtual Teuchos::RCP< node_type > getNode() const
The matrix's Node instance.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:243
virtual size_t getNodeNumEntries() const
The number of entries in this matrix owned by the calling process.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:343
virtual void getLocalRowView(local_ordinal_type LocalRow, Teuchos::ArrayView< const local_ordinal_type > &indices, Teuchos::ArrayView< const scalar_type > &values) const
Extract a const, non-persisting view of local indices in a specified row of the matrix.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:484
virtual void getLocalRowCopy(local_ordinal_type LocalRow, const Teuchos::ArrayView< local_ordinal_type > &Indices, const Teuchos::ArrayView< scalar_type > &Values, size_t &NumEntries) const
Extract a list of entries in a specified local row of the graph. Put into storage allocated by callin...
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:444
virtual bool supportsRowViews() const
true if row views are supported, else false.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:680
virtual size_t getNodeNumCols() const
The number of columns owned by the calling process.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:321
virtual size_t getGlobalMaxNumRowEntries() const
The maximum number of entries in any row on any process.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:379
~OverlappingRowMatrix()
Destructor.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:230
virtual void rightScale(const Tpetra::Vector< scalar_type, local_ordinal_type, global_ordinal_type, node_type > &x)
Scales the RowMatrix on the right with the Vector x.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:544
Sparse matrix (Tpetra::RowMatrix subclass) with ghost rows.
Definition: Ifpack2_OverlappingRowMatrix_decl.hpp:58
virtual size_t getNodeMaxNumRowEntries() const
The maximum number of entries in any row on the calling process.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:386
OverlappingRowMatrix(const Teuchos::RCP< const row_matrix_type > &A, const int overlapLevel)
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:57
virtual size_t getNodeNumRows() const
The number of rows owned by the calling process.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:314
virtual void apply(const Tpetra::MultiVector< scalar_type, local_ordinal_type, global_ordinal_type, node_type > &X, Tpetra::MultiVector< scalar_type, local_ordinal_type, global_ordinal_type, node_type > &Y, Teuchos::ETransp mode=Teuchos::NO_TRANS, scalar_type alpha=Teuchos::ScalarTraits< scalar_type >::one(), scalar_type beta=Teuchos::ScalarTraits< scalar_type >::zero()) const
Computes the operator-multivector application.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:561
Preconditioners and smoothers for Tpetra sparse matrices.
Definition: Ifpack2_AdditiveSchwarz_decl.hpp:72
virtual global_size_t getGlobalNumEntries() const
The global number of entries in this matrix.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:336
virtual void getGlobalRowCopy(global_ordinal_type GlobalRow, const Teuchos::ArrayView< global_ordinal_type > &Indices, const Teuchos::ArrayView< scalar_type > &Values, size_t &NumEntries) const
Extract a list of entries in a specified global row of this matrix. Put into pre-allocated storage...
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:423
virtual size_t getNumEntriesInLocalRow(local_ordinal_type localRow) const
The number of entries in the given local row that are owned by the calling process.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:366
virtual global_ordinal_type getIndexBase() const
The index base for global indices for this matrix.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:329
virtual global_size_t getGlobalNumRows() const
The global number of rows in this matrix.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:300
virtual void getLocalDiagCopy(Tpetra::Vector< scalar_type, local_ordinal_type, global_ordinal_type, node_type > &diag) const
Get a copy of the diagonal entries owned by this node, with local row indices.
Definition: Ifpack2_OverlappingRowMatrix_def.hpp:502