43 #ifndef IFPACK2_REORDERFILTER_DECL_HPP
44 #define IFPACK2_REORDERFILTER_DECL_HPP
46 #include "Ifpack2_ConfigDefs.hpp"
47 #include "Ifpack2_Details_RowMatrix.hpp"
48 #include <type_traits>
68 template<
class MatrixType>
72 typedef typename MatrixType::scalar_type scalar_type;
73 typedef typename MatrixType::local_ordinal_type local_ordinal_type;
74 typedef typename MatrixType::global_ordinal_type global_ordinal_type;
75 typedef typename MatrixType::node_type node_type;
76 typedef typename MatrixType::global_inds_host_view_type global_inds_host_view_type;
77 typedef typename MatrixType::local_inds_host_view_type local_inds_host_view_type;
78 typedef typename MatrixType::values_host_view_type values_host_view_type;
80 typedef typename MatrixType::nonconst_global_inds_host_view_type nonconst_global_inds_host_view_type;
81 typedef typename MatrixType::nonconst_local_inds_host_view_type nonconst_local_inds_host_view_type;
82 typedef typename MatrixType::nonconst_values_host_view_type nonconst_values_host_view_type;
85 typedef Tpetra::RowMatrix<scalar_type,
88 node_type> row_matrix_type;
90 static_assert(std::is_same<MatrixType, row_matrix_type>::value,
"Ifpack2::ReorderFilter: 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.");
92 typedef Tpetra::Map<local_ordinal_type,
96 typedef typename row_matrix_type::mag_type mag_type;
225 nonconst_global_inds_host_view_type &Indices,
226 nonconst_values_host_view_type &Values,
227 size_t& NumEntries)
const;
242 nonconst_local_inds_host_view_type &Indices,
243 nonconst_values_host_view_type &Values,
244 size_t& NumEntries)
const;
257 global_inds_host_view_type &indices,
258 values_host_view_type &values)
const;
272 local_inds_host_view_type & indices,
273 values_host_view_type & values)
const;
278 virtual void getLocalDiagCopy(Tpetra::Vector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &diag)
const;
294 virtual void leftScale(
const Tpetra::Vector<scalar_type, local_ordinal_type, global_ordinal_type, node_type>& x);
305 virtual void rightScale(
const Tpetra::Vector<scalar_type, local_ordinal_type, global_ordinal_type, node_type>& x);
335 apply (
const Tpetra::MultiVector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &X,
336 Tpetra::MultiVector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &Y,
345 virtual void permuteOriginalToReordered(
const Tpetra::MultiVector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &originalX,
346 Tpetra::MultiVector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &reorderedY)
const;
348 template <
class DomainScalar,
class RangeScalar>
350 permuteOriginalToReorderedTempl (
const Tpetra::MultiVector<DomainScalar,local_ordinal_type,global_ordinal_type,node_type> &originalX,
351 Tpetra::MultiVector<RangeScalar,local_ordinal_type,global_ordinal_type,node_type> &reorderedY)
const;
354 virtual void permuteReorderedToOriginal(
const Tpetra::MultiVector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &reorderedX,
355 Tpetra::MultiVector<scalar_type,local_ordinal_type,global_ordinal_type,node_type> &originalY)
const;
357 template <
class DomainScalar,
class RangeScalar>
358 void permuteReorderedToOriginalTempl(
const Tpetra::MultiVector<DomainScalar,local_ordinal_type,global_ordinal_type,node_type> &reorderedX,
359 Tpetra::MultiVector<RangeScalar,local_ordinal_type,global_ordinal_type,node_type> &originalY)
const;
371 mutable nonconst_local_inds_host_view_type Indices_;
373 mutable nonconst_values_host_view_type Values_;
virtual size_t getLocalNumRows() const
Returns the number of rows owned on the calling node.
Definition: Ifpack2_ReorderFilter_def.hpp:173
Wraps a Tpetra::RowMatrix in a filter that reorders local rows and columns.
Definition: Ifpack2_ReorderFilter_decl.hpp:69
All Ifpack2 implementations of Tpetra::RowMatrix must inherit from this class.
Definition: Ifpack2_Details_RowMatrix.hpp:63
virtual mag_type getFrobeniusNorm() const
Returns the Frobenius norm of the matrix.
Definition: Ifpack2_ReorderFilter_def.hpp:480
virtual Teuchos::RCP< const map_type > getRowMap() const
Returns the Map that describes the row distribution in this matrix.
Definition: Ifpack2_ReorderFilter_def.hpp:102
virtual bool supportsRowViews() const
Returns true if RowViews are supported.
Definition: Ifpack2_ReorderFilter_def.hpp:473
virtual size_t getGlobalMaxNumRowEntries() const
Returns the maximum number of entries across all rows/columns on all nodes.
Definition: Ifpack2_ReorderFilter_def.hpp:250
virtual Teuchos::RCP< const map_type > getDomainMap() const
Returns the Map that describes the domain distribution in this matrix.
Definition: Ifpack2_ReorderFilter_def.hpp:126
virtual global_size_t getGlobalNumRows() const
Returns the number of global rows in this matrix.
Definition: Ifpack2_ReorderFilter_def.hpp:159
virtual size_t getLocalNumCols() const
Returns the number of columns needed to apply the forward operator on this node, i.e., the number of elements listed in the column map.
Definition: Ifpack2_ReorderFilter_def.hpp:180
virtual Teuchos::RCP< const map_type > getColMap() const
Returns the Map that describes the column distribution in this matrix.
Definition: Ifpack2_ReorderFilter_def.hpp:114
ReorderFilter(const Teuchos::RCP< const row_matrix_type > &A, const Teuchos::ArrayRCP< local_ordinal_type > &perm, const Teuchos::ArrayRCP< local_ordinal_type > &reverseperm)
Constructor.
Definition: Ifpack2_ReorderFilter_def.hpp:58
virtual Teuchos::RCP< const map_type > getRangeMap() const
Returns the Map that describes the range distribution in this matrix.
Definition: Ifpack2_ReorderFilter_def.hpp:138
virtual void getGlobalRowView(global_ordinal_type GlobalRow, global_inds_host_view_type &indices, values_host_view_type &values) const
Extract a const, non-persisting view of global indices in a specified row of the matrix.
Definition: Ifpack2_ReorderFilter_def.hpp:365
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
, where Op(A) is either A, , or .
Definition: Ifpack2_ReorderFilter_def.hpp:409
virtual void getGlobalRowCopy(global_ordinal_type GlobalRow, nonconst_global_inds_host_view_type &Indices, nonconst_values_host_view_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_ReorderFilter_def.hpp:293
virtual bool isGloballyIndexed() const
If matrix indices are in the global range, this function returns true. Otherwise, this function retur...
Definition: Ifpack2_ReorderFilter_def.hpp:278
virtual Teuchos::RCP< const Teuchos::Comm< int > > getComm() const
The matrix's communicator.
Definition: Ifpack2_ReorderFilter_def.hpp:92
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_ReorderFilter_def.hpp:386
virtual size_t getNumEntriesInLocalRow(local_ordinal_type localRow) const
The current number of entries in this matrix, stored on the calling process, in the row whose local i...
Definition: Ifpack2_ReorderFilter_def.hpp:234
virtual void getLocalRowView(local_ordinal_type LocalRow, local_inds_host_view_type &indices, values_host_view_type &values) const
Extract a const, non-persisting view of local indices in a specified row of the matrix.
Definition: Ifpack2_ReorderFilter_def.hpp:375
virtual bool hasColMap() const
Indicates whether this matrix has a well-defined column map.
Definition: Ifpack2_ReorderFilter_def.hpp:264
virtual size_t getNumEntriesInGlobalRow(global_ordinal_type globalRow) const
The current number of entries in this matrix, stored on the calling process, in the row whose global ...
Definition: Ifpack2_ReorderFilter_def.hpp:214
virtual global_size_t getGlobalNumCols() const
Returns the number of global columns in this matrix.
Definition: Ifpack2_ReorderFilter_def.hpp:166
virtual bool hasTransposeApply() const
Whether apply() can apply the transpose or conjugate transpose.
Definition: Ifpack2_ReorderFilter_def.hpp:466
virtual size_t getLocalNumEntries() const
Returns the local number of entries in this matrix.
Definition: Ifpack2_ReorderFilter_def.hpp:201
virtual global_ordinal_type getIndexBase() const
Returns the index base for global indices for this matrix.
Definition: Ifpack2_ReorderFilter_def.hpp:187
virtual global_size_t getGlobalNumEntries() const
Returns the global number of entries in this matrix.
Definition: Ifpack2_ReorderFilter_def.hpp:194
virtual size_t getLocalMaxNumRowEntries() const
Returns the maximum number of entries across all rows/columns on this node.
Definition: Ifpack2_ReorderFilter_def.hpp:257
virtual bool isFillComplete() const
Returns true if fillComplete() has been called.
Definition: Ifpack2_ReorderFilter_def.hpp:285
virtual void permuteReorderedToOriginal(const Tpetra::MultiVector< scalar_type, local_ordinal_type, global_ordinal_type, node_type > &reorderedX, Tpetra::MultiVector< scalar_type, local_ordinal_type, global_ordinal_type, node_type > &originalY) const
Permute multivector: reordered-to-original.
Definition: Ifpack2_ReorderFilter_def.hpp:517
virtual Teuchos::RCP< const Tpetra::RowGraph< local_ordinal_type, global_ordinal_type, node_type > > getGraph() const
Returns the RowGraph associated with this matrix.
Definition: Ifpack2_ReorderFilter_def.hpp:152
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_ReorderFilter_def.hpp:394
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_ReorderFilter_def.hpp:401
virtual void getLocalRowCopy(local_ordinal_type LocalRow, nonconst_local_inds_host_view_type &Indices, nonconst_values_host_view_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_ReorderFilter_def.hpp:325
virtual void permuteOriginalToReordered(const Tpetra::MultiVector< scalar_type, local_ordinal_type, global_ordinal_type, node_type > &originalX, Tpetra::MultiVector< scalar_type, local_ordinal_type, global_ordinal_type, node_type > &reorderedY) const
Permute multivector: original-to-reordered.
Definition: Ifpack2_ReorderFilter_def.hpp:489
virtual ~ReorderFilter()
Destructor.
Definition: Ifpack2_ReorderFilter_def.hpp:88
virtual bool isLocallyIndexed() const
If matrix indices are in the local range, this function returns true. Otherwise, this function return...
Definition: Ifpack2_ReorderFilter_def.hpp:271
virtual local_ordinal_type getBlockSize() const
The number of degrees of freedom per mesh point.
Definition: Ifpack2_ReorderFilter_def.hpp:207