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openfoam/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCellEdges.C

131 lines
3.9 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 "DynamicList.H"
#include "ListOps.H"
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void Foam::primitiveMesh::calcCellEdges() const
{
// Loop through all faces and mark up cells with edges of the face.
// Check for duplicates
if (debug)
{
Pout<< "primitiveMesh::calcCellEdges() : "
<< "calculating cellEdges"
<< endl;
if (debug == -1)
{
// For checking calls:abort so we can quickly hunt down
// origin of call
FatalErrorIn("primitiveMesh::calcCellEdges()")
<< abort(FatalError);
}
}
// It is an error to attempt to recalculate cellEdges
// if the pointer is already set
if (cePtr_)
{
FatalErrorIn("primitiveMesh::calcCellEdges() const")
<< "cellEdges already calculated"
<< abort(FatalError);
}
else
{
// Set up temporary storage
List<DynamicList<label, edgesPerCell_> > ce(nCells());
// Get reference to faceCells and faceEdges
const labelList& own = faceOwner();
const labelList& nei = faceNeighbour();
const labelListList& fe = faceEdges();
// loop through the list again and add edges; checking for duplicates
forAll (own, faceI)
{
DynamicList<label, edgesPerCell_>& curCellEdges = ce[own[faceI]];
const labelList& curEdges = fe[faceI];
forAll (curEdges, edgeI)
{
if (findIndex(curCellEdges, curEdges[edgeI]) == -1)
{
// Add the edge
curCellEdges.append(curEdges[edgeI]);
}
}
}
forAll (nei, faceI)
{
DynamicList<label, edgesPerCell_>& curCellEdges = ce[nei[faceI]];
const labelList& curEdges = fe[faceI];
forAll (curEdges, edgeI)
{
if (findIndex(curCellEdges, curEdges[edgeI]) == -1)
{
// add the edge
curCellEdges.append(curEdges[edgeI]);
}
}
}
cePtr_ = new labelListList(ce.size());
labelListList& cellEdgeAddr = *cePtr_;
// reset the size
forAll (ce, cellI)
{
cellEdgeAddr[cellI].transfer(ce[cellI]);
}
}
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
const Foam::labelListList& Foam::primitiveMesh::cellEdges() const
{
if (!cePtr_)
{
calcCellEdges();
}
return *cePtr_;
}
// ************************************************************************* //