Ifpack_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_CrsGRAPH_H_
00031 #define _IFPACK_CrsGRAPH_H_
00032 
00033 class Ifpack_CrsGraph
00034 {
00035 public:
00036     virtual ~Ifpack_CrsGraph() {}
00037 
00038     virtual int NumRows() const = 0;
00039     virtual int NumCols() const = 0;
00040     virtual int IndexBase() const = 0;
00041     virtual int NumIndices(int Row) const = 0;
00042     virtual int * ExtractRowCopy(int Row, int LenOfIndices, int & NumIndices, int *& Indices) const = 0;
00043 
00044 };
00045 
00046 #endif // _IFPACK_CrsGRAPH_H_

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