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EpetraExt_MatrixMatrix.h
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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 
00073     static int Multiply(const Epetra_CrsMatrix& A,
00074       bool transposeA,
00075       const Epetra_CrsMatrix& B,
00076       bool transposeB,
00077       Epetra_CrsMatrix& C,
00078                         bool call_FillComplete_on_result=true);
00079 
00095     static int Add(const Epetra_CrsMatrix& A,
00096                    bool transposeA,
00097                    double scalarA,
00098                    Epetra_CrsMatrix& B,
00099                    double scalarB);
00100 
00122     static int Add(const Epetra_CrsMatrix& A,
00123                    bool transposeA,
00124                    double scalarA,
00125                    const Epetra_CrsMatrix & B,
00126                    bool transposeB,
00127                    double scalarB,
00128                    Epetra_CrsMatrix * & C);
00129 
00130 };//class MatrixMatrix
00131 
00132 
00138  double sparsedot(double* u, int* u_ind, int u_len,
00139       double* v, int* v_ind, int v_len);
00140 }//namespace EpetraExt
00141 
00142 #endif
00143 
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