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

151 lines
4.1 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"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void primitiveMesh::calcPointPoints() const
{
if (debug)
{
Pout<< "primitiveMesh::calcPointPoints() : "
<< "calculating pointPoints"
<< endl;
if (debug == -1)
{
// For checking calls:abort so we can quickly hunt down
// origin of call
FatalErrorIn("primitiveMesh::calcPointPoints()")
<< abort(FatalError);
}
}
// It is an error to attempt to recalculate pointPoints
// if the pointer is already set
if (ppPtr_)
{
FatalErrorIn("primitiveMesh::calcPointPoints() const")
<< "pointPoints already calculated"
<< abort(FatalError);
}
else
{
const edgeList& e = edges();
const labelListList& pe = pointEdges();
ppPtr_ = new labelListList(pe.size());
labelListList& pp = *ppPtr_;
forAll (pe, pointI)
{
pp[pointI].setSize(pe[pointI].size());
forAll (pe[pointI], ppi)
{
if (e[pe[pointI][ppi]].start() == pointI)
{
pp[pointI][ppi] = e[pe[pointI][ppi]].end();
}
else if (e[pe[pointI][ppi]].end() == pointI)
{
pp[pointI][ppi] = e[pe[pointI][ppi]].start();
}
else
{
FatalErrorIn("primitiveMesh::calcPointPoints() const")
<< "something wrong with edges"
<< abort(FatalError);
}
}
}
}
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
const labelListList& primitiveMesh::pointPoints() const
{
if (!ppPtr_)
{
calcPointPoints();
}
return *ppPtr_;
}
const labelList& primitiveMesh::pointPoints
(
const label pointI,
DynamicList<label>& storage
) const
{
if (hasPointPoints())
{
return pointPoints()[pointI];
}
else
{
const edgeList& edges = this->edges();
const labelList& pEdges = pointEdges()[pointI];
storage.clear();
if (pEdges.size() > storage.allocSize())
{
storage.setSize(pEdges.size());
}
forAll(pEdges, i)
{
storage.append(edges[pEdges[i]].otherVertex(pointI));
}
return storage;
}
}
const labelList& primitiveMesh::pointPoints(const label pointI) const
{
return pointPoints(pointI, labels_);
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// ************************************************************************* //