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MueLu_AggregationPhase2bAlgorithm_decl.hpp
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46 #ifndef MUELU_AGGREGATIONPHASE2BALGORITHM_DECL_HPP_
47 #define MUELU_AGGREGATIONPHASE2BALGORITHM_DECL_HPP_
48 
49 #include "MueLu_ConfigDefs.hpp"
50 
51 #include "MueLu_Aggregates_fwd.hpp"
54 #include "MueLu_LWGraph.hpp"
55 
57 
58 namespace MueLu {
80 template <class LocalOrdinal = DefaultLocalOrdinal,
82  class Node = DefaultNode>
83 class AggregationPhase2bAlgorithm : public MueLu::AggregationAlgorithmBase<LocalOrdinal, GlobalOrdinal, Node> {
84 #undef MUELU_AGGREGATIONPHASE2BALGORITHM_SHORT
86 
87  public:
89 
90 
92  AggregationPhase2bAlgorithm(const RCP<const FactoryBase>& /* graphFact */ = Teuchos::null) {}
93 
96 
98 
100 
101 
104  void BuildAggregatesNonKokkos(const ParameterList& params, const LWGraph& graph, Aggregates& aggregates, typename AggregationAlgorithmBase<LocalOrdinal, GlobalOrdinal, Node>::AggStatHostType& aggStat, LO& numNonAggregatedNodes) const;
105 
106  void BuildAggregates(const ParameterList& params,
107  const LWGraph_kokkos& graph,
108  Aggregates& aggregates,
110  LO& numNonAggregatedNodes) const;
111 
112  void BuildAggregatesRandom(const ParameterList& params,
113  const LWGraph_kokkos& graph,
114  Aggregates& aggregates,
116  LO& numNonAggregatedNodes) const;
117 
118  void BuildAggregatesDeterministic(const ParameterList& params,
119  const LWGraph_kokkos& graph,
120  Aggregates& aggregates,
122  LO& numNonAggregatedNodes) const;
124 
125  std::string description() const { return "Phase 2b (expansion)"; }
126 };
127 
128 } // namespace MueLu
129 
130 #define MUELU_AGGREGATIONPHASE2BALGORITHM_SHORT
131 
132 #endif /* MUELU_AGGREGATIONPHASE2BALGORITHM_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.
Pure virtual base class for all MueLu aggregation algorithms.
LocalOrdinal LO
MueLu::DefaultNode Node
AggregationPhase2bAlgorithm(const RCP< const FactoryBase > &=Teuchos::null)
Constructor.
void BuildAggregatesDeterministic(const ParameterList &params, const LWGraph_kokkos &graph, Aggregates &aggregates, typename AggregationAlgorithmBase< LocalOrdinal, GlobalOrdinal, Node >::AggStatType &aggStat, LO &numNonAggregatedNodes) const
void BuildAggregatesNonKokkos(const ParameterList &params, const LWGraph &graph, Aggregates &aggregates, typename AggregationAlgorithmBase< LocalOrdinal, GlobalOrdinal, Node >::AggStatHostType &aggStat, LO &numNonAggregatedNodes) const
Local aggregation.
MueLu::DefaultGlobalOrdinal GlobalOrdinal
void BuildAggregates(const ParameterList &params, const LWGraph_kokkos &graph, Aggregates &aggregates, typename AggregationAlgorithmBase< LocalOrdinal, GlobalOrdinal, Node >::AggStatType &aggStat, LO &numNonAggregatedNodes) const
void BuildAggregatesRandom(const ParameterList &params, const LWGraph_kokkos &graph, Aggregates &aggregates, typename AggregationAlgorithmBase< LocalOrdinal, GlobalOrdinal, Node >::AggStatType &aggStat, LO &numNonAggregatedNodes) const
std::string description() const
Return a simple one-line description of this object.
Add leftovers to existing aggregatesIdeaIn phase 2b non-aggregated nodes are added to existing aggreg...
Lightweight MueLu representation of a compressed row storage graph.
Kokkos::View< unsigned *, typename LWGraphType::device_type > AggStatType