/usr/include/trilinos/Teuchos_ReductionOpHelpers.hpp is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
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// ***********************************************************************
//
// 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_HELPERS_HPP
#define TEUCHOS_REDUCTION_OP_HELPERS_HPP
#include "Teuchos_ReductionOp.hpp"
#include "Teuchos_SerializationTraitsHelpers.hpp"
#include "Teuchos_SerializerHelpers.hpp"
namespace Teuchos {
/** \brief Decorator class that uses traits to convert to and from
* <tt>char[]</tt> to typed buffers for objects that use value semantics and
* then call a type-specific reduction object.
*
* ToDo: Finish Documentation!
*/
template<typename Ordinal, typename T>
class CharToValueTypeReductionOp : public ValueTypeReductionOp<Ordinal,char>
{
public:
/** \brief . */
CharToValueTypeReductionOp(
const RCP<const ValueTypeReductionOp<Ordinal,T> > &reductOp
);
/** \brief . */
void reduce(
const Ordinal charCount
,const char charInBuffer[]
,char charInoutBuffer[]
) const;
private:
RCP<const ValueTypeReductionOp<Ordinal,T> > reductOp_;
// Not defined and not to be called!
CharToValueTypeReductionOp();
CharToValueTypeReductionOp(const CharToValueTypeReductionOp&);
CharToValueTypeReductionOp& operator=(const CharToValueTypeReductionOp&);
};
/** \brief Decorator class that uses a strategy object to convert to and from
* <tt>char[]</tt> to typed buffers for objects that use reference semantics
* and then call a type-specific reduction object.
*
* ToDo: Finish Documentation!
*/
template<typename Ordinal, typename T>
class CharToReferenceTypeReductionOp : public ValueTypeReductionOp<Ordinal,char>
{
public:
/** \brief . */
CharToReferenceTypeReductionOp(
const RCP<const Serializer<Ordinal,T> > &serializer
,const RCP<const ReferenceTypeReductionOp<Ordinal,T> > &reductOp
);
/** \brief . */
void reduce(
const Ordinal charCount
,const char charInBuffer[]
,char charInoutBuffer[]
) const;
private:
RCP<const Serializer<Ordinal,T> > serializer_;
RCP<const ReferenceTypeReductionOp<Ordinal,T> > reductOp_;
// Not defined and not to be called!
CharToReferenceTypeReductionOp();
CharToReferenceTypeReductionOp(const CharToReferenceTypeReductionOp&);
CharToReferenceTypeReductionOp& operator=(const CharToReferenceTypeReductionOp&);
};
// /////////////////////////////////////
// Template implementations
//
// CharToValueTypeReductionOp
//
template<typename Ordinal, typename T>
CharToValueTypeReductionOp<Ordinal,T>::CharToValueTypeReductionOp(
const RCP<const ValueTypeReductionOp<Ordinal,T> > &reductOp
)
:reductOp_(reductOp)
{}
template<typename Ordinal, typename T>
void CharToValueTypeReductionOp<Ordinal,T>::reduce(
const Ordinal charCount
,const char charInBuffer[]
,char charInoutBuffer[]
) const
{
ConstValueTypeDeserializationBuffer<Ordinal,T>
inBuffer(charCount,charInBuffer);
ValueTypeDeserializationBuffer<Ordinal,T>
inoutBuffer(charCount,charInoutBuffer);
reductOp_->reduce(
inBuffer.getCount(),inBuffer.getBuffer(),inoutBuffer.getBuffer()
);
}
//
// CharToReferenceTypeReductionOp
//
template<typename Ordinal, typename T>
CharToReferenceTypeReductionOp<Ordinal,T>::CharToReferenceTypeReductionOp(
const RCP<const Serializer<Ordinal,T> > &serializer
,const RCP<const ReferenceTypeReductionOp<Ordinal,T> > &reductOp
)
:serializer_(serializer), reductOp_(reductOp)
{}
template<typename Ordinal, typename T>
void CharToReferenceTypeReductionOp<Ordinal,T>::reduce(
const Ordinal charCount
,const char charInBuffer[]
,char charInoutBuffer[]
) const
{
ConstReferenceTypeDeserializationBuffer<Ordinal,T>
inBuffer(*serializer_,charCount,charInBuffer);
ReferenceTypeDeserializationBuffer<Ordinal,T>
inoutBuffer(*serializer_,charCount,charInoutBuffer);
reductOp_->reduce(
inBuffer.getCount(),inBuffer.getBuffer(),inoutBuffer.getBuffer()
);
}
} // namespace Teuchos
#endif // TEUCHOS_REDUCTION_OP_HELPERS_HPP
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