Teuchos_ReductionOp.hpp

// @HEADER
// ***********************************************************************
// 
//                    Teuchos: Common Tools Package
//                 Copyright (2004) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//  
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//  
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
// 
// ***********************************************************************
// @HEADER

#ifndef TEUCHOS_REDUCTION_OP_HPP
#define TEUCHOS_REDUCTION_OP_HPP

#include "Teuchos_Describable.hpp"

namespace Teuchos {

template<typename Ordinal, typename T>
class ValueTypeReductionOp : public Describable {
public:
  virtual void reduce(
    const Ordinal     count
    ,const T          inBuffer[]
    ,T                inoutBuffer[]
    ) const = 0;
};

template<typename Ordinal, typename T>
class ReferenceTypeReductionOp : public Describable {
public:
  virtual void reduce(
    const Ordinal     count
    ,const T*const     inBuffer[]
    ,T*const           inoutBuffer[]
    ) const = 0;
};

} // namespace Teuchos

#endif // TEUCHOS_REDUCTION_OP_HPP

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