Teuchos_ReductionOp.hpp

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// @HEADER
// *****************************************************************************
//                    Teuchos: Common Tools Package
//
// Copyright 2004 NTESS and the Teuchos contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @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