Ifpack_Graph_Epetra_RowMatrix.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_GRAPH_EPETRA_ROWMATRIX_H
00031 #define IFPACK_GRAPH_EPETRA_ROWMATRIX_H
00032 
00033 #include "Ifpack_ConfigDefs.h"
00034 #include "Ifpack_Graph.h"
00035 #include "Teuchos_RefCountPtr.hpp"
00036 
00037 class Epetra_Comm;
00038 class Epetra_RowMatrix;
00039 
00041 
00051 class Ifpack_Graph_Epetra_RowMatrix : public Ifpack_Graph {
00052 
00053 public:
00054     
00056   Ifpack_Graph_Epetra_RowMatrix(const Teuchos::RefCountPtr<const Epetra_RowMatrix>& RowMatrix);
00057 
00059   virtual ~Ifpack_Graph_Epetra_RowMatrix() {};
00060 
00062   int NumMyRows() const
00063   {
00064     return(NumMyRows_);
00065   }
00066 
00068   int NumMyCols() const
00069   {
00070     return(NumMyCols_);
00071   }
00072 
00074   int NumGlobalRows() const
00075   {
00076     return(NumGlobalRows_);
00077   }
00078 
00080   int NumGlobalCols() const
00081   {
00082     return(NumGlobalCols_);
00083   }
00084 
00086   int MaxMyNumEntries() const
00087   {
00088     return(MaxNumIndices_);
00089   }
00090 
00092   int NumMyNonzeros() const;
00093 
00095   bool Filled() const;
00096 
00098   int GRID(int) const;
00099 
00101   int GCID(int) const;
00102   
00104   int LRID(int) const;
00105 
00107   int LCID(int) const;
00108 
00110   int ExtractMyRowCopy(int GlobalRow, int LenOfIndices, 
00111                int &NumIndices, int *Indices) const;
00112 
00114   const Epetra_Comm& Comm() const;  
00115   
00117   ostream& Print(std::ostream& os) const;
00118 
00119 private:
00120 
00122   int NumMyRows_;
00124   int NumMyCols_;
00126   int NumGlobalRows_;
00128   int NumGlobalCols_;
00130   int MaxNumIndices_;
00132   Teuchos::RefCountPtr<const Epetra_RowMatrix> RowMatrix_;
00134   mutable std::vector<double> Values_;
00135 };
00136 
00137 #endif

Generated on Wed May 12 21:46:03 2010 for IFPACK by  doxygen 1.4.7