BelosOperator.hpp

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00001 // @HEADER
00002 // ***********************************************************************
00003 //
00004 //                 Belos: Block Linear Solvers Package
00005 //                 Copyright (2004) 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 #ifndef BELOS_OPERATOR_HPP
00030 #define BELOS_OPERATOR_HPP
00031 
00037 #include "BelosOperatorTraits.hpp"
00038 #include "BelosMultiVec.hpp"
00039 #include "BelosTypes.hpp"
00040 #include "BelosConfigDefs.hpp"
00041 
00058 namespace Belos {
00059   
00060   template <class ScalarType>
00061   class Operator {
00062   public:
00063     
00065 
00066     
00068     Operator() {};
00069     
00071     virtual ~Operator() {};
00073     
00075 
00076     
00080     virtual ReturnType Apply ( const MultiVec<ScalarType>& x, 
00081              MultiVec<ScalarType>& y, ETrans trans=NOTRANS ) const = 0;
00082   };
00083   
00085   //
00086   // Implementation of the Belos::OperatorTraits for Belos::Operator 
00087   //                                               and Belos::MultiVec.
00088   //
00090   
00098   template <class ScalarType> 
00099   class OperatorTraits < ScalarType, MultiVec<ScalarType>, Operator<ScalarType> > 
00100   {
00101   public:
00102     
00104     static ReturnType Apply ( const Operator<ScalarType>& Op, 
00105             const MultiVec<ScalarType>& x, 
00106             MultiVec<ScalarType>& y,
00107             ETrans trans=NOTRANS )
00108     { return Op.Apply( x, y, trans ); }
00109     
00110   };
00111   
00112 } // end Belos namespace
00113 
00114 #endif
00115 
00116 // end of file BelosOperator.hpp

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