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Epetra_OffsetIndex.h
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00005 //               Epetra: Linear Algebra Services Package 
00006 //                 Copyright 2011 Sandia Corporation
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00021 //
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00023 // contributors may be used to endorse or promote products derived from
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00043 
00044 #ifndef EPETRA_OFFSETINDEX_H
00045 #define EPETRA_OFFSETINDEX_H
00046 
00047 #include "Epetra_Object.h"
00048 
00049 class Epetra_Import;
00050 class Epetra_Export;
00051 class Epetra_CrsGraph;
00052 class Epetra_Distributor;
00053 
00055 
00060 class EPETRA_LIB_DLL_EXPORT Epetra_OffsetIndex: public Epetra_Object {
00061     
00062  public:
00063 
00065   Epetra_OffsetIndex( const Epetra_CrsGraph & SourceGraph,
00066                       const Epetra_CrsGraph & TargetGraph,
00067                       Epetra_Import & Importer );
00068   
00070   Epetra_OffsetIndex( const Epetra_CrsGraph & SourceGraph,
00071                       const Epetra_CrsGraph & TargetGraph,
00072                       Epetra_Export & Exporter );
00073 
00075   Epetra_OffsetIndex(const Epetra_OffsetIndex & Indexor);
00076   
00078   virtual ~Epetra_OffsetIndex(void);
00079 
00081 
00082   virtual void Print(ostream & os) const;
00084 
00086   int ** SameOffsets() const { return SameOffsets_; }
00087  
00089   int ** PermuteOffsets() const { return PermuteOffsets_; }
00090  
00092   int ** RemoteOffsets() const { return RemoteOffsets_; }
00093  
00094  private:
00095 
00096   void GenerateLocalOffsets_( const Epetra_CrsGraph & SourceGraph,
00097                               const Epetra_CrsGraph & TargetGraph,
00098                               const int * PermuteLIDs );
00099 
00100   void GenerateRemoteOffsets_( const Epetra_CrsGraph & SourceGraph,
00101                                const Epetra_CrsGraph & TargetGraph,
00102                                const int * ExportLIDs,
00103                                const int * RemoteLIDs,
00104                                Epetra_Distributor & Distor );
00105 
00107   Epetra_OffsetIndex & operator=(const Epetra_OffsetIndex & Indexor);
00108  public:
00109 
00110   int NumSame_;
00111   int ** SameOffsets_;
00112   int NumPermute_;
00113   int ** PermuteOffsets_;
00114   int NumExport_;
00115   int NumRemote_;
00116   int ** RemoteOffsets_;
00117 
00118   bool DataOwned_;
00119 };
00120 
00121 #endif /* EPETRA_OFFSETINDEX_H */
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