Ifpack_Graph_Epetra_CrsGraph.h

00001 /*@HEADER
00002 // ***********************************************************************
00003 //
00004 //       Ifpack: Object-Oriented Algebraic Preconditioner Package
00005 //                 Copyright (2002) Sandia Corporation
00006 //
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 //
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov)
00025 //
00026 // ***********************************************************************
00027 //@HEADER
00028 */
00029 
00030 #ifndef IFPACK_EPETRA_CRSGRAPH_H
00031 #define IFPACK_EPETRA_CRSGRAPH_H
00032 #include "Ifpack_ConfigDefs.h"
00033 #include "Ifpack_Graph.h"
00034 #include "Teuchos_RefCountPtr.hpp"
00035 
00036 class Epetra_Comm;
00037 class Epetra_CrsGraph;
00038 
00040 
00048 class Ifpack_Graph_Epetra_CrsGraph : public Ifpack_Graph {
00049 
00050 public:
00051     
00053   Ifpack_Graph_Epetra_CrsGraph(const Teuchos::RefCountPtr<const Epetra_CrsGraph>& CrsGraph);
00054 
00056   virtual ~Ifpack_Graph_Epetra_CrsGraph() {};
00057 
00059   int NumMyRows() const
00060   {
00061     return(NumMyRows_);
00062   }
00063 
00065   int NumMyCols() const
00066   {
00067     return(NumMyCols_);
00068   }
00069 
00071   int NumGlobalRows() const
00072   {
00073     return(NumGlobalRows_);
00074   }
00075 
00077   int NumGlobalCols() const
00078   {
00079     return(NumGlobalCols_);
00080   }
00081 
00083   int MaxMyNumEntries() const
00084   {
00085     return(MaxNumIndices_);
00086   }
00087 
00089   int NumMyNonzeros() const;
00090 
00092   bool Filled() const;
00093 
00095   int GRID(int) const;
00096 
00098   int GCID(int) const;
00099   
00101   int LRID(int) const;
00102 
00104   int LCID(int) const;
00105 
00107   int ExtractMyRowCopy(int GlobalRow, int LenOfIndices, 
00108                int &NumIndices, int *Indices) const;
00109 
00111   const Epetra_Comm& Comm() const;
00112   
00114   virtual ostream& Print(std::ostream& os) const;
00115 
00116 private:
00117 
00119   int NumMyRows_;
00121   int NumMyCols_;
00123   int NumGlobalRows_;
00125   int NumGlobalCols_;
00127   int MaxNumIndices_;
00129   Teuchos::RefCountPtr<const Epetra_CrsGraph> CrsGraph_;
00130 };
00131 
00132 #endif
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