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MueLu_AggregationPhase3Algorithm_decl.hpp
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46 #ifndef MUELU_AGGREGATIONPHASE3ALGORITHM_DECL_HPP_
47 #define MUELU_AGGREGATIONPHASE3ALGORITHM_DECL_HPP_
48 
49 #include "MueLu_ConfigDefs.hpp"
52 
54 #include "MueLu_Aggregates_fwd.hpp"
55 #include "MueLu_LWGraph.hpp"
56 
57 namespace MueLu {
75 template <class LocalOrdinal = DefaultLocalOrdinal,
77  class Node = DefaultNode>
78 class AggregationPhase3Algorithm : public MueLu::AggregationAlgorithmBase<LocalOrdinal, GlobalOrdinal, Node> {
79 #undef MUELU_AGGREGATIONPHASE3ALGORITHM_SHORT
81 
82  public:
84 
85 
87  AggregationPhase3Algorithm(const RCP<const FactoryBase>& /* graphFact */ = Teuchos::null) {}
88 
91 
93 
95 
96 
99  void BuildAggregatesNonKokkos(const ParameterList& params, const LWGraph& graph, Aggregates& aggregates, typename AggregationAlgorithmBase<LocalOrdinal, GlobalOrdinal, Node>::AggStatHostType& aggStat, LO& numNonAggregatedNodes) const;
100 
101  void BuildAggregates(const ParameterList& params,
102  const LWGraph_kokkos& graph,
103  Aggregates& aggregates,
105  LO& numNonAggregatedNodes) const;
106 
107  void BuildAggregatesRandom(const ParameterList& params,
108  const LWGraph_kokkos& graph,
109  Aggregates& aggregates,
111  LO& numNonAggregatedNodes) const;
113 
114  std::string description() const { return "Phase 3 (cleanup)"; }
115 };
116 
117 } // namespace MueLu
118 
119 #define MUELU_AGGREGATIONPHASE3ALGORITHM_SHORT
120 
121 #endif /* MUELU_AGGREGATIONPHASE3ALGORITHM_DECL_HPP_ */
Kokkos::View< unsigned *, typename LWGraphHostType::device_type > AggStatHostType
MueLu::DefaultLocalOrdinal LocalOrdinal
Lightweight MueLu representation of a compressed row storage graph.
Tpetra::KokkosClassic::DefaultNode::DefaultNodeType DefaultNode
Container class for aggregation information.
void BuildAggregates(const ParameterList &params, const LWGraph_kokkos &graph, Aggregates &aggregates, typename AggregationAlgorithmBase< LocalOrdinal, GlobalOrdinal, Node >::AggStatType &aggStat, LO &numNonAggregatedNodes) const
Pure virtual base class for all MueLu aggregation algorithms.
LocalOrdinal LO
void BuildAggregatesNonKokkos(const ParameterList &params, const LWGraph &graph, Aggregates &aggregates, typename AggregationAlgorithmBase< LocalOrdinal, GlobalOrdinal, Node >::AggStatHostType &aggStat, LO &numNonAggregatedNodes) const
Local aggregation.
MueLu::DefaultNode Node
MueLu::DefaultGlobalOrdinal GlobalOrdinal
AggregationPhase3Algorithm(const RCP< const FactoryBase > &=Teuchos::null)
Constructor.
std::string description() const
Return a simple one-line description of this object.
Lightweight MueLu representation of a compressed row storage graph.
Handle leftover nodes. Try to avoid singleton nodesIdeaIn phase 3 we try to stick unaggregated nodes ...
void BuildAggregatesRandom(const ParameterList &params, const LWGraph_kokkos &graph, Aggregates &aggregates, typename AggregationAlgorithmBase< LocalOrdinal, GlobalOrdinal, Node >::AggStatType &aggStat, LO &numNonAggregatedNodes) const
Kokkos::View< unsigned *, typename LWGraphType::device_type > AggStatType