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EpetraExt_SymmRCM_CrsGraph.h
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41 
42 #ifndef EpetraExt_CRSGRAPH_SYMMRCM_H
43 #define EpetraExt_CRSGRAPH_SYMMRCM_H
44 
45 #include <vector>
46 
47 #include <EpetraExt_Transform.h>
48 
49 class Epetra_Map;
50 class Epetra_CrsGraph;
51 
52 namespace EpetraExt {
53 
55 struct CrsGraph_SymmRCM : public StructuralSameTypeTransform<Epetra_CrsGraph> {
56 
57  public:
58 
61 
63  CrsGraph_SymmRCM( bool BruteForce = false, int testLeafWidth = 5 )
64  : bruteForce_(BruteForce),
65  testLeafWidth_(testLeafWidth),
66  RCMMap_(0),
67  RCMColMap_(0)
68  {}
69 
72 
73  private:
74 
77  const int testLeafWidth_;
78  const bool bruteForce_;
79 
80  class BFT {
81 
82  public:
83 
84  BFT( const std::vector< std::vector<int> > & adjlist,
85  int root,
86  int max_width,
87  bool & failed );
88 
89  int Width() { return width_; }
90  int Depth() { return depth_; }
91 
92  void NonNeighborLeaves( std::vector<int> & leaves,
93  const std::vector< std::vector<int> > & adjlist,
94  int count );
95  void ReverseVector( std::vector<int> & ordered );
96 
97  private:
98 
99  bool failed_;
100  int width_;
101  int depth_;
102  int nodes_;
103 
104  std::vector< std::vector<int> > levelSets_;
105  };
106 
107 };
108 
109 } //namespace EpetraExt
110 
111 #endif //EpetraExt_CRSGRAPH_SYMMRCM_H
Generates the symmetric RCM reordered version of a Epetra_CrsGraph.
CrsGraph_SymmRCM(bool BruteForce=false, int testLeafWidth=5)
Constructor.
NewTypeRef operator()(OriginalTypeRef orig)
Transformation Operator.
std::vector< std::vector< int > > levelSets_
void NonNeighborLeaves(std::vector< int > &leaves, const std::vector< std::vector< int > > &adjlist, int count)
~CrsGraph_SymmRCM()
Destructor.
void ReverseVector(std::vector< int > &ordered)
BFT(const std::vector< std::vector< int > > &adjlist, int root, int max_width, bool &failed)