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Ifpack_Graph_Epetra_CrsGraph.h
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00004 //       Ifpack: Object-Oriented Algebraic Preconditioner Package
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00042 
00043 #ifndef IFPACK_EPETRA_CRSGRAPH_H
00044 #define IFPACK_EPETRA_CRSGRAPH_H
00045 #include "Ifpack_ConfigDefs.h"
00046 #include "Ifpack_Graph.h"
00047 #include "Epetra_CrsGraph.h"
00048 #include "Teuchos_RefCountPtr.hpp"
00049 
00050 class Epetra_Comm;
00051 class Epetra_CrsGraph;
00052 
00054 
00062 class Ifpack_Graph_Epetra_CrsGraph : public Ifpack_Graph {
00063 
00064 public:
00065     
00067   Ifpack_Graph_Epetra_CrsGraph(const Teuchos::RefCountPtr<const Epetra_CrsGraph>& CrsGraph);
00068 
00070   virtual ~Ifpack_Graph_Epetra_CrsGraph() {};
00071 
00073   int NumMyRows() const
00074   {
00075     return(NumMyRows_);
00076   }
00077 
00079   int NumMyCols() const
00080   {
00081     return(NumMyCols_);
00082   }
00083 
00084 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
00085 
00086   int NumGlobalRows() const
00087   {
00088     if(CrsGraph_->RowMap().GlobalIndicesInt())
00089       return (int) (NumGlobalRows_);
00090     else
00091       throw "Ifpack_Graph_Epetra_CrsGraph::NumGlobalRows: GlobalIndices not int.";
00092   }
00093 #endif
00094   long long NumGlobalRows64() const
00095   {
00096     return(NumGlobalRows_);
00097   }
00098 
00099 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
00100 
00101   int NumGlobalCols() const
00102   {
00103     if(CrsGraph_->ColMap().GlobalIndicesInt())
00104       return (int) (NumGlobalCols_);
00105     else
00106       throw "Ifpack_Graph_Epetra_CrsGraph::NumGlobalCols: GlobalIndices not int.";
00107   }
00108 #endif
00109   long long NumGlobalCols64() const
00110   {
00111     return(NumGlobalCols_);
00112   }
00113 
00115   int MaxMyNumEntries() const
00116   {
00117     return(MaxNumIndices_);
00118   }
00119 
00121   int NumMyNonzeros() const;
00122 
00124   bool Filled() const;
00125 
00126 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
00127 
00128   int GRID(int) const;
00129 #endif
00130   long long GRID64(int) const;
00131 
00132 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
00133 
00134   int GCID(int) const;
00135 #endif
00136   long long GCID64(int) const;
00137   
00138 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
00139 
00140   int LRID(int) const;
00141 
00143   int LCID(int) const;
00144 #endif
00145 
00146 #ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
00147 
00148   int LRID(long long) const;
00149 
00151   int LCID(long long) const;
00152 #endif
00153 
00155   int ExtractMyRowCopy(int GlobalRow, int LenOfIndices, 
00156                int &NumIndices, int *Indices) const;
00157 
00159   const Epetra_Comm& Comm() const;
00160   
00162   virtual ostream& Print(std::ostream& os) const;
00163 
00164 private:
00165 
00167   int NumMyRows_;
00169   int NumMyCols_;
00171   long long NumGlobalRows_;
00173   long long NumGlobalCols_;
00175   int MaxNumIndices_;
00177   Teuchos::RefCountPtr<const Epetra_CrsGraph> CrsGraph_;
00178 };
00179 
00180 #endif
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