43 #ifndef IFPACK2_OVERLAPPINGROWGRAPH_DEF_HPP
44 #define IFPACK2_OVERLAPPINGROWGRAPH_DEF_HPP
46 #include <Ifpack2_Details_OverlappingRowGraph_decl.hpp>
47 #include <Tpetra_Import.hpp>
48 #include <Tpetra_Export.hpp>
54 template<
class GraphType>
60 const Tpetra::global_size_t numGlobalRows,
61 const Tpetra::global_size_t numGlobalCols,
62 const Tpetra::global_size_t numGlobalNonzeros,
63 const size_t maxNumEntries,
66 nonoverlappingGraph_ (nonoverlappingGraph),
67 overlappingGraph_ (overlappingGraph),
70 numGlobalRows_ (numGlobalRows),
71 numGlobalCols_ (numGlobalCols),
72 numGlobalNonzeros_ (numGlobalNonzeros),
73 maxNumEntries_ (maxNumEntries),
74 nonoverlappingImporter_ (nonoverlappingImporter),
75 overlappingImporter_ (overlappingImporter)
79 template<
class GraphType>
83 template<
class GraphType>
87 return nonoverlappingGraph_->getComm ();
93 template<
class GraphType>
101 template<
class GraphType>
109 template<
class GraphType>
113 return nonoverlappingGraph_->getDomainMap ();
117 template<
class GraphType>
121 return nonoverlappingGraph_->getRangeMap ();
125 template<
class GraphType>
129 return nonoverlappingImporter_;
133 template<
class GraphType>
141 template<
class GraphType>
144 return numGlobalRows_;
148 template<
class GraphType>
151 return numGlobalCols_;
155 template<
class GraphType>
158 return nonoverlappingGraph_->getLocalNumRows () +
159 overlappingGraph_->getLocalNumRows ();
163 template<
class GraphType>
166 return this->getLocalNumRows ();
170 template<
class GraphType>
171 typename GraphType::global_ordinal_type
174 return nonoverlappingGraph_->getIndexBase ();
178 template<
class GraphType>
181 return numGlobalNonzeros_;
185 template<
class GraphType>
188 return nonoverlappingGraph_->getLocalNumEntries () +
189 overlappingGraph_->getLocalNumEntries ();
193 template<
class GraphType>
198 const local_ordinal_type localRow = rowMap_->getLocalElement (globalRow);
202 return getNumEntriesInLocalRow (localRow);
207 template<
class GraphType>
213 const size_t numMyRowsA = nonoverlappingGraph_->getLocalNumRows ();
214 if (as<size_t> (localRow) < numMyRowsA) {
215 return nonoverlappingGraph_->getNumEntriesInLocalRow (localRow);
217 return overlappingGraph_->getNumEntriesInLocalRow (as<local_ordinal_type> (localRow - numMyRowsA));
222 template<
class GraphType>
225 throw std::runtime_error(
"Ifpack2::OverlappingRowGraph::getGlobalMaxNumRowEntries() not supported.");
229 template<
class GraphType>
232 return maxNumEntries_;
236 template<
class GraphType>
243 template<
class GraphType>
250 template<
class GraphType>
257 template<
class GraphType>
263 template<
class GraphType>
267 nonconst_global_inds_host_view_type& indices,
268 size_t& numIndices)
const
270 const local_ordinal_type localRow = rowMap_->getLocalElement (globalRow);
274 if (Teuchos::as<size_t> (localRow) < nonoverlappingGraph_->getLocalNumRows ()) {
275 nonoverlappingGraph_->getGlobalRowCopy (globalRow, indices, numIndices);
277 overlappingGraph_->getGlobalRowCopy (globalRow, indices, numIndices);
283 template<
class GraphType>
287 nonconst_local_inds_host_view_type& indices,
288 size_t& numIndices)
const
291 const size_t numMyRowsA = nonoverlappingGraph_->getLocalNumRows ();
292 if (as<size_t> (localRow) < numMyRowsA) {
293 nonoverlappingGraph_->getLocalRowCopy (localRow, indices, numIndices);
295 const local_ordinal_type localRowOffset =
296 localRow - as<local_ordinal_type> (numMyRowsA);
297 overlappingGraph_->getLocalRowCopy (localRowOffset, indices, numIndices);
302 template<
class GraphType>
306 global_inds_host_view_type &indices)
const {
307 const local_ordinal_type LocalRow = rowMap_->getLocalElement (GlobalRow);
309 indices = global_inds_host_view_type();
311 if (Teuchos::as<size_t> (LocalRow) < nonoverlappingGraph_->getLocalNumRows ()) {
312 nonoverlappingGraph_->getGlobalRowView (GlobalRow, indices);
314 overlappingGraph_->getGlobalRowView (GlobalRow, indices);
320 template<
class GraphType>
324 local_inds_host_view_type & indices)
const {
326 const size_t numMyRowsA = nonoverlappingGraph_->getLocalNumRows ();
327 if (as<size_t> (LocalRow) < numMyRowsA) {
328 nonoverlappingGraph_->getLocalRowView (LocalRow, indices);
330 overlappingGraph_->getLocalRowView (LocalRow - as<local_ordinal_type> (numMyRowsA),
340 #define IFPACK2_DETAILS_OVERLAPPINGROWGRAPH_INSTANT(LO,GO,N) \
341 template class Ifpack2::Details::OverlappingRowGraph<Tpetra::CrsGraph< LO, GO, N > >; \
342 template class Ifpack2::Details::OverlappingRowGraph<Tpetra::RowGraph< LO, GO, N > >;
344 #endif // IFPACK2_OVERLAPPINGROWGRAPH_DEF_HPP
OverlappingRowGraph(const Teuchos::RCP< const row_graph_type > &nonoverlappingGraph, const Teuchos::RCP< const row_graph_type > &overlappingGraph, const Teuchos::RCP< const map_type > &rowMap, const Teuchos::RCP< const map_type > &colMap, const Tpetra::global_size_t numGlobalRows, const Tpetra::global_size_t numGlobalCols, const Tpetra::global_size_t numGlobalNonzeros, const size_t maxNumEntries, const Teuchos::RCP< const import_type > &nonoverlappingImporter, const Teuchos::RCP< const import_type > &overlappingImporter)
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:56
#define TEUCHOS_TEST_FOR_EXCEPTION(throw_exception_test, Exception, msg)
virtual size_t getGlobalMaxNumRowEntries() const
The maximum number of entries in any row on any process.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:223
virtual Teuchos::RCP< const map_type > getRowMap() const
The Map that describes the distribution of rows over processes.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:95
virtual bool isGloballyIndexed() const
Whether this graph is globally indexed.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:251
virtual bool hasColMap() const
Whether this graph has a column Map.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:237
virtual Teuchos::RCP< const export_type > getExporter() const
Export object (from row Map to range Map).
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:135
virtual void getLocalRowView(const local_ordinal_type lclRow, local_inds_host_view_type &lclColInds) const
Get a constant, nonpersisting, locally indexed view of the given row of the graph.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:323
virtual void getLocalRowCopy(local_ordinal_type localRow, nonconst_local_inds_host_view_type &gblColInds, size_t &numIndices) const
Copy out a list of local column indices in the given local row that are owned by the calling process...
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:286
virtual global_ordinal_type getIndexBase() const
The index base for global indices for this graph.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:172
virtual void getGlobalRowView(const global_ordinal_type gblRow, global_inds_host_view_type &gblColInds) const
Get a const, non-persisting view of the given global row's global column indices, as a Teuchos::Array...
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:305
virtual Teuchos::RCP< const map_type > getDomainMap() const
The Map that describes the domain of this graph.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:111
virtual Teuchos::RCP< const Teuchos::Comm< int > > getComm() const
The communicator over which the graph is distributed.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:85
virtual size_t getLocalNumCols() const
The number of columns owned by the calling process.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:164
virtual size_t getLocalNumEntries() const
The number of entries in this graph owned by the calling process.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:186
virtual ~OverlappingRowGraph()
Destructor.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:80
virtual bool isLocallyIndexed() const
Whether this graph is locally indexed.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:244
virtual bool isFillComplete() const
true if fillComplete() has been called, else false.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:258
virtual global_size_t getGlobalNumCols() const
The global number of columns in this graph.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:149
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_Details_OverlappingRowGraph_def.hpp:210
virtual size_t getLocalNumRows() const
The number of rows owned by the calling process.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:156
virtual void getGlobalRowCopy(global_ordinal_type globalRow, nonconst_global_inds_host_view_type &gblColInds, size_t &numIndices) const
Copy out a list of column indices in the given global row that are owned by the calling process...
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:266
TypeTo as(const TypeFrom &t)
virtual Teuchos::RCP< const import_type > getImporter() const
Import object (from domain Map to column Map).
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:127
virtual size_t getLocalMaxNumRowEntries() const
The maximum number of entries in any row on the calling process.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:230
virtual Teuchos::RCP< const map_type > getColMap() const
The Map that describes the distribution of columns over processes.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:103
virtual global_size_t getGlobalNumRows() const
The global number of rows in this graph.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:142
virtual Teuchos::RCP< const map_type > getRangeMap() const
The Map that describes the range of this graph.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:119
virtual global_size_t getGlobalNumEntries() const
The global number of entries in this graph.
Definition: Ifpack2_Details_OverlappingRowGraph_def.hpp:179
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_Details_OverlappingRowGraph_def.hpp:196