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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2025 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/>.
\*---------------------------------------------------------------------------*/
#include "primitiveMesh.H"
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void Foam::primitiveMesh::calcCellCells() const
{
// Loop through faceCells and mark up neighbours
if (debug)
{
Pout<< "primitiveMesh::calcCellCells() : calculating cellCells"
<< endl;
if (debug == -1)
{
// For checking calls:abort so we can quickly hunt down
// origin of call
FatalErrorInFunction
<< abort(FatalError);
}
}
// It is an error to attempt to recalculate cellCells
// if the pointer is already set
if (ccPtr_)
{
FatalErrorInFunction
<< "cellCells already calculated"
<< abort(FatalError);
}
else
{
// 1. Count number of internal faces per cell
labelList ncc(nCells(), 0);
const labelList& own = faceOwner();
const labelList& nei = faceNeighbour();
forAll(nei, facei)
{
ncc[own[facei]]++;
ncc[nei[facei]]++;
}
// Create the storage
ccPtr_ = new labelListList(ncc.size());
labelListList& cellCellAddr = *ccPtr_;
// 2. Size and fill cellFaceAddr
forAll(cellCellAddr, celli)
{
cellCellAddr[celli].setSize(ncc[celli]);
}
ncc = 0;
forAll(nei, facei)
{
label ownCelli = own[facei];
label neiCelli = nei[facei];
cellCellAddr[ownCelli][ncc[ownCelli]++] = neiCelli;
cellCellAddr[neiCelli][ncc[neiCelli]++] = ownCelli;
}
}
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
const Foam::labelListList& Foam::primitiveMesh::cellCells() const
{
if (!ccPtr_)
{
calcCellCells();
}
return *ccPtr_;
}
const Foam::labelList& Foam::primitiveMesh::cellCells
(
const label celli,
DynamicList<label>& storage
) const
{
if (ccPtr_)
{
return cellCells()[celli];
}
else
{
const labelList& own = faceOwner();
const labelList& nei = faceNeighbour();
const cell& cFaces = cells()[celli];
storage.clear();
forAll(cFaces, i)
{
label facei = cFaces[i];
if (facei < nInternalFaces())
{
if (own[facei] == celli)
{
storage.append(nei[facei]);
}
else
{
storage.append(own[facei]);
}
}
}
return storage;
}
}
const Foam::labelList& Foam::primitiveMesh::cellCells(const label celli) const
{
return cellCells(celli, labels_);
}
// ************************************************************************* //
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