Teuchos_ReductionOp.hpp

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00002 // ***********************************************************************
00003 // 
00004 //                    Teuchos: Common Tools 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
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00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef TEUCHOS_REDUCTION_OP_HPP
00030 #define TEUCHOS_REDUCTION_OP_HPP
00031 
00032 #include "Teuchos_Describable.hpp"
00033 
00034 namespace Teuchos {
00035 
00041 template<typename Ordinal, typename T>
00042 class ValueTypeReductionOp : public Describable {
00043 public:
00045   virtual void reduce(
00046     const Ordinal     count
00047     ,const T          inBuffer[]
00048     ,T                inoutBuffer[]
00049     ) const = 0;
00050 };
00051 
00057 template<typename Ordinal, typename T>
00058 class ReferenceTypeReductionOp : public Describable {
00059 public:
00061   virtual void reduce(
00062     const Ordinal     count
00063     ,const T*const     inBuffer[]
00064     ,T*const           inoutBuffer[]
00065     ) const = 0;
00066 };
00067 
00068 } // namespace Teuchos
00069 
00070 #endif // TEUCHOS_REDUCTION_OP_HPP

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