MapPointField.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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.

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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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    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::MapPointField

Description
    Map point field on topology change. This is a partial template
    specialisation for GeoMesh=pointMesh

See Also
    MapGeometricFields

\*---------------------------------------------------------------------------*/

#ifndef MapPointField_H
#define MapPointField_H

#include <OpenFOAM/Field.H>
#include <OpenFOAM/pointMesh.H>

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

template<class Type, class MeshMapper>
class MapInternalField<Type, MeshMapper, pointMesh>
{
public:

    MapInternalField()
    {}

    void operator()
    (
        Field<Type>& field,
        const MeshMapper& mapper
    ) const;
};


template<class Type, class MeshMapper>
void MapInternalField<Type, MeshMapper, pointMesh>::operator()
(
    Field<Type>& field,
    const MeshMapper& mapper
) const
{
    if (field.size() != mapper.pointMap().sizeBeforeMapping())
    {
        FatalErrorIn
        (
            "void MapInternalField<Type, MeshMapper, pointMesh>::operator()\n"
            "(\n"
            "    Field<Type>& field,\n"
            "    const MeshMapper& mapper\n"
            ") const"
        )  << "Incompatible size before mapping.  Field size: " << field.size()
           << " map size: " << mapper.pointMap().sizeBeforeMapping()
           << abort(FatalError);
    }

    field.autoMap(mapper.pointMap());
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

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