BelosOperatorTraits.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_TRAITS_HPP
00030 #define BELOS_OPERATOR_TRAITS_HPP
00031 
00037 #include "BelosTypes.hpp"
00038 #include "BelosConfigDefs.hpp"
00039 
00040 namespace Belos {
00041 
00042   template< class ScalarType, class MV, class OP >
00043   struct UndefinedOperatorTraits
00044   {
00046     static inline ReturnType notDefined() { return OP::this_type_is_missing_a_specialization(); };
00047   };
00048   
00049   template <class ScalarType, class MV, class OP>
00050   class OperatorTraits 
00051   {
00052   public:
00053     
00055     static ReturnType Apply ( const OP& Op, 
00056             const MV& x, 
00057             MV& y, 
00058             ETrans trans = NOTRANS )
00059     { return UndefinedOperatorTraits<ScalarType, MV, OP>::notDefined(); };
00060     
00061   };
00062   
00063 } // end Belos namespace
00064 
00065 #endif // BELOS_OPERATOR_TRAITS_HPP
00066 
00067 // end of file BelosOperatorTraits.hpp

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