/usr/include/freefoam/OpenFOAM/PstreamCombineReduceOps.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
InClass
Foam::Pstream
Description
Combination-Reduction operation for a parallel run. The
information from all nodes is collected on the master node,
combined using the given combination function and the result is
broadcast to all nodes
\*---------------------------------------------------------------------------*/
#ifndef PstreamCombineReduceOps_H
#define PstreamCombineReduceOps_H
#include "Pstream.H"
#include <OpenFOAM/ops.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
template <class T, class CombineOp>
void combineReduce
(
const List<Pstream::commsStruct>& comms,
T& Value,
const CombineOp& cop
)
{
Pstream::combineGather(comms, Value, cop);
Pstream::combineScatter(comms, Value);
}
template <class T, class CombineOp>
void combineReduce(T& Value, const CombineOp& cop)
{
if (Pstream::nProcs() < Pstream::nProcsSimpleSum)
{
Pstream::combineGather(Pstream::linearCommunication(), Value, cop);
Pstream::combineScatter(Pstream::linearCommunication(), Value);
}
else
{
Pstream::combineGather(Pstream::treeCommunication(), Value, cop);
Pstream::combineScatter(Pstream::treeCommunication(), Value);
}
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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