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MueLu_PreserveDirichletAggregationAlgorithm_decl.hpp
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46 #ifndef MUELU_PRESERVEDIRICHLETAGGREGATIONALGORITHM_DECL_HPP_
47 #define MUELU_PRESERVEDIRICHLETAGGREGATIONALGORITHM_DECL_HPP_
48 
49 #include "MueLu_ConfigDefs.hpp"
52 
54 #include "MueLu_Aggregates_fwd.hpp"
55 #include "MueLu_LWGraph.hpp"
56 
57 namespace MueLu {
82 template <class LocalOrdinal = DefaultLocalOrdinal,
84  class Node = DefaultNode>
85 class PreserveDirichletAggregationAlgorithm : public MueLu::AggregationAlgorithmBase<LocalOrdinal, GlobalOrdinal, Node> {
86 #undef MUELU_PRESERVEDIRICHLETAGGREGATIONALGORITHM_SHORT
88 
89  public:
91 
92 
94  PreserveDirichletAggregationAlgorithm(const RCP<const FactoryBase>& /* graphFact */ = Teuchos::null) {}
95 
98 
100 
102 
103 
106  void BuildAggregatesNonKokkos(const Teuchos::ParameterList& params, const LWGraph& graph, Aggregates& aggregates, typename AggregationAlgorithmBase<LocalOrdinal, GlobalOrdinal, Node>::AggStatHostType& aggStat, LO& numNonAggregatedNodes) const;
107 
108  void BuildAggregates(const Teuchos::ParameterList& params,
109  const LWGraph_kokkos& graph,
110  Aggregates& aggregates,
112  LO& numNonAggregatedNodes) const;
114 
115  std::string description() const { return "Phase - (Dirichlet)"; }
116 
117 }; // class PreserveDirichletAggregationAlgorithm
118 
119 } // namespace MueLu
120 
121 #define MUELU_PRESERVEDIRICHLETAGGREGATIONALGORITHM_SHORT
122 
123 #endif /* MUELU_PRESERVEDIRICHLETAGGREGATIONALGORITHM_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
std::string description() const
Return a simple one-line description of this object.
MueLu::DefaultNode Node
PreserveDirichletAggregationAlgorithm(const RCP< const FactoryBase > &=Teuchos::null)
Constructor.
Builds one-to-one aggregates for all Dirichlet boundary nodes. For some applications this might be ne...
MueLu::DefaultGlobalOrdinal GlobalOrdinal
void BuildAggregates(const Teuchos::ParameterList &params, const LWGraph_kokkos &graph, Aggregates &aggregates, typename AggregationAlgorithmBase< LocalOrdinal, GlobalOrdinal, Node >::AggStatType &aggStat, LO &numNonAggregatedNodes) const
Lightweight MueLu representation of a compressed row storage graph.
void BuildAggregatesNonKokkos(const Teuchos::ParameterList &params, const LWGraph &graph, Aggregates &aggregates, typename AggregationAlgorithmBase< LocalOrdinal, GlobalOrdinal, Node >::AggStatHostType &aggStat, LO &numNonAggregatedNodes) const
Local aggregation.
Kokkos::View< unsigned *, typename LWGraphType::device_type > AggStatType