43 #ifndef IFPACK2_OVERLAPPINGPARTITIONER_DECL_HPP
44 #define IFPACK2_OVERLAPPINGPARTITIONER_DECL_HPP
46 #include "Ifpack2_ConfigDefs.hpp"
47 #include "Ifpack2_Partitioner.hpp"
48 #include "Tpetra_RowGraph.hpp"
77 template<
class GraphType>
80 typedef typename GraphType::local_ordinal_type local_ordinal_type;
81 typedef typename GraphType::global_ordinal_type global_ordinal_type;
82 typedef typename GraphType::node_type node_type;
83 typedef Tpetra::RowGraph<local_ordinal_type, global_ordinal_type, node_type> row_graph_type;
104 local_ordinal_type
operator () (
const local_ordinal_type MyRow)
const;
108 operator () (
const local_ordinal_type i,
const local_ordinal_type j)
const;
148 virtual std::ostream&
print(std::ostream& os)
const;
204 #endif // IFPACK2_OVERLAPPINGPARTITIONER_DECL_HPP
Teuchos::Array< local_ordinal_type > Partition_
Mapping from local row to partition number.
Definition: Ifpack2_OverlappingPartitioner_decl.hpp:175
Teuchos::Array< Teuchos::ArrayRCP< local_ordinal_type > > Parts_
Mapping from partition to all local rows it contains.
Definition: Ifpack2_OverlappingPartitioner_decl.hpp:181
void rowsInPart(const local_ordinal_type Part, Teuchos::ArrayRCP< local_ordinal_type > &List) const
Fill List with the local indices of the rows in the (overlapping) partition Part. ...
Definition: Ifpack2_OverlappingPartitioner_def.hpp:138
virtual Teuchos::ArrayView< const local_ordinal_type > nonOverlappingPartition() const
A view of the local indices of the nonoverlapping partitions of each local row.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:151
OverlappingPartitioner(const Teuchos::RCP< const row_graph_type > &graph)
Constructor.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:57
int OverlappingLevel_
Level of overlap.
Definition: Ifpack2_OverlappingPartitioner_decl.hpp:187
int overlappingLevel() const
The number of levels of overlap.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:80
int numLocalParts() const
Number of computed local partitions.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:73
Ifpack2::Partitioner:
Definition: Ifpack2_Partitioner.hpp:179
Teuchos::RCP< const row_graph_type > Graph_
The graph to be partitioned.
Definition: Ifpack2_OverlappingPartitioner_decl.hpp:184
virtual void computeOverlappingPartitions()
Computes the partitions. Returns 0 if successful.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:243
void describe(Teuchos::FancyOStream &out, const Teuchos::EVerbosityLevel verbLevel=Teuchos::Describable::verbLevel_default) const
Print the object with some verbosity level to an FancyOStream object.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:466
virtual ~OverlappingPartitioner()
Destructor.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:68
virtual bool isComputed() const
Returns true if partitions have been computed successfully.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:432
int NumLocalParts_
Number of local subgraphs.
Definition: Ifpack2_OverlappingPartitioner_decl.hpp:168
std::string description() const
Return a simple one-line description of this object.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:450
virtual void computePartitions()=0
Computes the partitions. Returns 0 if successful.
static const EVerbosityLevel verbLevel_default
virtual void compute()
Computes the partitions. Returns 0 if successful.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:191
virtual std::ostream & print(std::ostream &os) const
Prints basic information on iostream. This function is used by operator<<.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:440
local_ordinal_type operator()(const local_ordinal_type MyRow) const
Local index of the nonoverlapping partition of the given row.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:89
bool verbose_
If true, information are reported to stdout.
Definition: Ifpack2_OverlappingPartitioner_decl.hpp:193
virtual void setParameters(Teuchos::ParameterList &List)
Set all the parameters for the partitioner.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:160
bool maintainSparsity_
If true, only add row to partition (block) if doing so won't add new columns to the column map...
Definition: Ifpack2_OverlappingPartitioner_decl.hpp:199
size_t numRowsInPart(const local_ordinal_type Part) const
the number of rows contained in the given partition.
Definition: Ifpack2_OverlappingPartitioner_def.hpp:124
Create overlapping partitions of a local graph.
Definition: Ifpack2_OverlappingPartitioner_decl.hpp:78
virtual void setPartitionParameters(Teuchos::ParameterList &List)=0
Set all the parameters for the partitioner.
bool IsComputed_
If true, the graph has been successfully partitioned.
Definition: Ifpack2_OverlappingPartitioner_decl.hpp:190