enrichedPatchPointPoints.C

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011-2016 OpenFOAM Foundation
    Copyright (C) 2019-2021 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
    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
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#include "enrichedPatch.H"
#include "primitiveMesh.H"
#include "DynamicList.H"
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::enrichedPatch::calcPointPoints() const
{
    // Calculate point-point addressing
    if (pointPointsPtr_)
    {
        FatalErrorInFunction
            << "Point-point addressing already calculated."
            << abort(FatalError);
    }
 
    // Algorithm:
    // Go through all faces and add the previous and next point as the
    // neighbour for each point. While inserting points, reject the
    // duplicates (as every internal edge will be visited twice).
    List<DynamicList<label>> pp(meshPoints().size());
 
    const faceList& lf = localFaces();
 
    for (const face& curFace : lf)
    {
        forAll(curFace, pointi)
        {
            DynamicList<label>& curPp = pp[curFace[pointi]];
 
            // Do next label
            const label next = curFace.nextLabel(pointi);
            curPp.appendUniq(next);
 
            // Do previous label
            const label prev = curFace.prevLabel(pointi);
            curPp.appendUniq(prev);
        }
    }
 
    // Re-pack the list
    pointPointsPtr_.reset(new labelListList(pp.size()));
    auto& ppAddr = *pointPointsPtr_;
 
    forAll(pp, pointi)
    {
        ppAddr[pointi].transfer(pp[pointi]);
    }
}
 
 
// ************************************************************************* //