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MueLu_OnePtAggregationAlgorithm_decl.hpp
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46 /*
47  * MueLu_OnePtAggregationAlgorithm_decl.hpp
48  *
49  * Created on: Sep 18, 2012
50  * Author: Tobias Wiesner
51  */
52 
53 #ifndef MUELU_ONEPTAGGREGATIONALGORITHM_DECL_HPP_
54 #define MUELU_ONEPTAGGREGATIONALGORITHM_DECL_HPP_
55 
56 #include "MueLu_ConfigDefs.hpp"
59 
61 #include "MueLu_Aggregates_fwd.hpp"
62 
63 #include "MueLu_LWGraph.hpp"
64 
65 namespace MueLu {
84 template <class LocalOrdinal = DefaultLocalOrdinal,
86  class Node = DefaultNode>
87 class OnePtAggregationAlgorithm : public MueLu::AggregationAlgorithmBase<LocalOrdinal, GlobalOrdinal, Node> {
88 #undef MUELU_ONEPTAGGREGATIONALGORITHM_SHORT
90 
91  public:
93 
94 
96  OnePtAggregationAlgorithm(RCP<const FactoryBase> const& graphFact = Teuchos::null);
97 
100 
102 
104 
105 
108  void BuildAggregatesNonKokkos(Teuchos::ParameterList const& params, LWGraph const& graph, Aggregates& aggregates, typename AggregationAlgorithmBase<LocalOrdinal, GlobalOrdinal, Node>::AggStatHostType& aggStat, LO& numNonAggregatedNodes) const;
109 
110  void BuildAggregates(Teuchos::ParameterList const& params,
111  LWGraph_kokkos const& graph,
112  Aggregates& aggregates,
114  LO& numNonAggregatedNodes) const;
116 
117 }; // class OnePtAggregationAlgorithm
118 
119 } // namespace MueLu
120 
121 #define MUELU_ONEPTAGGREGATIONALGORITHM_SHORT
122 #endif /* MUELU_ONEPTAGGREGATIONALGORITHM_DECL_HPP_ */
Kokkos::View< unsigned *, typename LWGraphHostType::device_type > AggStatHostType
Algorithm for coarsening a graph with uncoupled aggregation. keep special marked nodes as singleton n...
void BuildAggregatesNonKokkos(Teuchos::ParameterList const &params, LWGraph const &graph, Aggregates &aggregates, typename AggregationAlgorithmBase< LocalOrdinal, GlobalOrdinal, Node >::AggStatHostType &aggStat, LO &numNonAggregatedNodes) const
Local aggregation.
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
OnePtAggregationAlgorithm(RCP< const FactoryBase > const &graphFact=Teuchos::null)
Constructor.
MueLu::DefaultGlobalOrdinal GlobalOrdinal
void BuildAggregates(Teuchos::ParameterList const &params, LWGraph_kokkos const &graph, Aggregates &aggregates, typename AggregationAlgorithmBase< LocalOrdinal, GlobalOrdinal, Node >::AggStatType &aggStat, LO &numNonAggregatedNodes) const
Lightweight MueLu representation of a compressed row storage graph.
Kokkos::View< unsigned *, typename LWGraphType::device_type > AggStatType