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MueLu_Graph_decl.hpp
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46 #ifndef MUELU_GRAPH_DECL_HPP
47 #define MUELU_GRAPH_DECL_HPP
48 
49 #include <Xpetra_ConfigDefs.hpp> // global_size_t
50 #include <Xpetra_CrsGraph.hpp> // inline functions requires class declaration
51 #include <Xpetra_Map_fwd.hpp>
52 
53 #include "MueLu_ConfigDefs.hpp"
54 
55 #include "MueLu_Graph_fwd.hpp"
56 #include "MueLu_GraphBase.hpp"
57 
58 namespace MueLu {
59 
67  template <class LocalOrdinal = DefaultLocalOrdinal,
69  class Node = DefaultNode>
70  class Graph
71  : public MueLu::GraphBase<LocalOrdinal,GlobalOrdinal,Node> { //FIXME shortnames isn't working
72 #undef MUELU_GRAPH_SHORT
74 
75  public:
76 
78 
79  Graph(const RCP<const CrsGraph> & graph, const std::string & /* objectLabel */="") : graph_(graph) {
80  minLocalIndex_ = graph_->getDomainMap()->getMinLocalIndex();
81  maxLocalIndex_ = graph_->getDomainMap()->getMaxLocalIndex();
82  }
83 
84  virtual ~Graph() {}
86 
87  size_t GetNodeNumVertices() const { return graph_->getNodeNumRows(); }
88  size_t GetNodeNumEdges() const { return graph_->getNodeNumEntries(); }
89 
90  Xpetra::global_size_t GetGlobalNumEdges() const { return graph_->getGlobalNumEntries(); }
91 
92  const RCP<const Teuchos::Comm<int> > GetComm() const { return graph_->getComm(); }
93  const RCP<const Map> GetDomainMap() const { return graph_->getDomainMap(); }
95  const RCP<const Map> GetImportMap() const { return graph_->getColMap(); }
96 
98  void SetBoundaryNodeMap(const ArrayRCP<const bool>& localDirichletNodes) { localDirichletNodes_ = localDirichletNodes; }
99 
102 
104  size_t getNodeMaxNumRowEntries () const { return graph_->getNodeMaxNumRowEntries(); }
105 
108  ArrayView<const LO> rowView;
109  graph_->getLocalRowView(i, rowView);
110  return rowView;
111  }
112 
114  bool isLocalNeighborVertex(LO i) const { return i >= minLocalIndex_ && i <= maxLocalIndex_; }
115 
116 #ifdef MUELU_UNUSED
117  size_t GetNodeNumGhost() const;
118 #endif
119 
121  std::string description() const { return "MueLu.description()"; }
122 
124  //using MueLu::Describable::describe; // overloading, not hiding
125  //void describe(Teuchos::FancyOStream &out, const VerbLevel verbLevel = Default) const;;
126  void print(Teuchos::FancyOStream &out, const VerbLevel verbLevel = Default) const;
127 
128  private:
129 
131 
134 
135  // local index boundaries (cached from domain map)
137  };
138 
139 } // namespace MueLu
140 
141 #define MUELU_GRAPH_SHORT
142 #endif // MUELU_GRAPH_DECL_HPP
const RCP< const Map > GetImportMap() const
Returns overlapping import map (nodes).
size_t GetNodeNumEdges() const
Return number of edges owned by the calling node.
const RCP< const Map > GetDomainMap() const
MueLu::DefaultLocalOrdinal LocalOrdinal
KokkosClassic::DefaultNode::DefaultNodeType DefaultNode
const RCP< const Teuchos::Comm< int > > GetComm() const
Xpetra::global_size_t GetGlobalNumEdges() const
Return number of global edges in the graph.
MueLu representation of a compressed row storage graph.
size_t GetNodeNumVertices() const
Return number of vertices owned by the calling node.
MueLu::DefaultNode Node
RCP< const CrsGraph > graph_
void print(Teuchos::FancyOStream &out, const VerbLevel verbLevel=Default) const
Print the Graph with some verbosity level to an FancyOStream object.
const ArrayRCP< const bool > GetBoundaryNodeMap() const
Returns map with local ids of boundary nodes.
MueLu::DefaultGlobalOrdinal GlobalOrdinal
void SetBoundaryNodeMap(const ArrayRCP< const bool > &localDirichletNodes)
Set map with local ids of boundary nodes.
size_t getNodeMaxNumRowEntries() const
Returns the maximum number of entries across all rows/columns on this node.
Graph(const RCP< const CrsGraph > &graph, const std::string &="")
MueLu representation of a graph.
bool isLocalNeighborVertex(LO i) const
Return true if vertex with local id &#39;v&#39; is on current process.
std::string description() const
Return a simple one-line description of the Graph.
ArrayRCP< const bool > localDirichletNodes_
Vector of Dirichlet boundary node IDs on current process.
ArrayView< const LO > getNeighborVertices(LO i) const
Return the list of vertices adjacent to the vertex &#39;v&#39;.