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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2015 OpenFOAM Foundation
\\/ 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/>.
Class
Foam::GatherBase
Description
SourceFiles
GatherBase.C
\*---------------------------------------------------------------------------*/
#ifndef GatherBase_H
#define GatherBase_H
#include "List.H"
#include "labelList.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class GatherBase Declaration
\*---------------------------------------------------------------------------*/
class GatherBase
{
public:
//- Flatten: appends all elements of list into one single list.
// Used to collapse 'Gathered' data.
template<class T>
static T flatten(const List<T>);
//- Flatten and offset 'Gathered' indices (into value) so they
// remain valid with respect to values (after they have been flattened)
template<class DataType, class IndexType, class AddOp>
static IndexType offset
(
const List<DataType>& values,
const List<IndexType>& indices,
AddOp aop
);
};
template<class T>
class AddOp
{
public:
T operator()
(
const T& x,
const label offset
) const
{
return x + offset;
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
#include "GatherBase.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
|
