primitiveMeshEdgeCells.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | foam-extend: Open Source CFD
   \\    /   O peration     | Version:     3.2
    \\  /    A nd           | Web:         http://www.foam-extend.org
     \\/     M anipulation  | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
    This file is part of foam-extend.
 
    foam-extend 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.
 
    foam-extend 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 foam-extend.  If not, see <http://www.gnu.org/licenses/>.
 
\*---------------------------------------------------------------------------*/
 
#include "primitiveMesh.H"
#include "ListOps.H"
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
const Foam::labelListList& Foam::primitiveMesh::edgeCells() const
{
    if (!ecPtr_)
    {
        if (debug)
        {
            Pout<< "primitiveMesh::edgeCells() : calculating edgeCells"
                << endl;
 
            if (debug == -1)
            {
                // For checking calls:abort so we can quickly hunt down
                // origin of call
                FatalErrorIn("primitiveMesh::edgeCells()")
                    << abort(FatalError);
            }
        }
        // Invert cellEdges
        ecPtr_ = new labelListList(nEdges());
        invertManyToMany(nEdges(), cellEdges(), *ecPtr_);
    }
 
    return *ecPtr_;
}
 
 
const Foam::labelList& Foam::primitiveMesh::edgeCells
(
    const label edgeI,
    dynamicLabelList& storage
) const
{
    if (hasEdgeCells())
    {
        return edgeCells()[edgeI];
    }
    else
    {
        const labelList& own = faceOwner();
        const labelList& nei = faceNeighbour();
 
        // Construct edgeFaces
        dynamicLabelList eFacesStorage;
        const labelList& eFaces = edgeFaces(edgeI, eFacesStorage);
 
        storage.clear();
 
        // Do quadratic insertion.
        forAll(eFaces, i)
        {
            label faceI = eFaces[i];
 
            {
                label ownCellI = own[faceI];
 
                // Check if not already in storage
                forAll(storage, j)
                {
                    if (storage[j] == ownCellI)
                    {
                        ownCellI = -1;
                        break;
                    }
                }
 
                if (ownCellI != -1)
                {
                    storage.append(ownCellI);
                }
            }
 
            if (isInternalFace(faceI))
            {
                label neiCellI = nei[faceI];
 
                forAll(storage, j)
                {
                    if (storage[j] == neiCellI)
                    {
                        neiCellI = -1;
                        break;
                    }
                }
 
                if (neiCellI != -1)
                {
                    storage.append(neiCellI);
                }
            }
        }
 
        return storage;
    }
}
 
 
const Foam::labelList& Foam::primitiveMesh::edgeCells(const label edgeI) const
{
    return edgeCells(edgeI, labels_);
}
 
 
// ************************************************************************* //