EpetraExt_MatrixMatrix.h

Go to the documentation of this file.
00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //     EpetraExt: Epetra Extended - Linear Algebra Services Package
00005 //                 Copyright (2001) 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 #ifndef EPETRAEXT_MATRIXMATRIX_H
00029 #define EPETRAEXT_MATRIXMATRIX_H
00030 
00031 #include <EpetraExt_ConfigDefs.h>
00032 
00033 class Epetra_CrsMatrix;
00034 
00035 namespace EpetraExt {
00036 
00042 class MatrixMatrix {
00043 
00044   public:
00046     virtual ~MatrixMatrix(){}
00047 
00066     static int Multiply(const Epetra_CrsMatrix& A,
00067       bool transposeA,
00068       const Epetra_CrsMatrix& B,
00069       bool transposeB,
00070       Epetra_CrsMatrix& C);
00071 
00087     static int Add(const Epetra_CrsMatrix& A,
00088                    bool transposeA,
00089                    double scalarA,
00090                    Epetra_CrsMatrix& B,
00091                    double scalarB);
00092 
00093 };//class MatrixMatrix
00094 
00095 
00101  double sparsedot(double* u, int* u_ind, int u_len,
00102       double* v, int* v_ind, int v_len);
00103 }//namespace EpetraExt
00104 
00105 #endif
00106 

Generated on Thu Sep 18 12:31:43 2008 for EpetraExt by doxygen 1.3.9.1