Files
openfoam/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCellPoints.C
2008-09-25 09:43:38 +01:00

118 lines
3.1 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2008 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 2 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, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
\*---------------------------------------------------------------------------*/
#include "primitiveMesh.H"
#include "ListOps.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
const labelListList& primitiveMesh::cellPoints() const
{
if (!cpPtr_)
{
if (debug)
{
Pout<< "primitiveMesh::cellPoints() : "
<< "calculating cellPoints" << endl;
if (debug == -1)
{
// For checking calls:abort so we can quickly hunt down
// origin of call
FatalErrorIn("primitiveMesh::cellPoints()")
<< abort(FatalError);
}
}
// Invert pointCells
cpPtr_ = new labelListList(nCells());
invertManyToMany(nCells(), pointCells(), *cpPtr_);
}
return *cpPtr_;
}
const labelList& primitiveMesh::cellPoints
(
const label cellI,
DynamicList<label>& storage
) const
{
if (hasCellPoints())
{
return cellPoints()[cellI];
}
else
{
const faceList& fcs = faces();
const labelList& cFaces = cells()[cellI];
labelSet_.clear();
forAll(cFaces, i)
{
const labelList& f = fcs[cFaces[i]];
forAll(f, fp)
{
labelSet_.insert(f[fp]);
}
}
storage.clear();
if (labelSet_.size() > storage.allocSize())
{
storage.setSize(labelSet_.size());
}
forAllConstIter(labelHashSet, labelSet_, iter)
{
storage.append(iter.key());
}
return storage;
}
}
const labelList& primitiveMesh::cellPoints(const label cellI) const
{
return cellPoints(cellI, labels_);
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// ************************************************************************* //