tetIndicesI.H

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    \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
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// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

inline Foam::label Foam::tetIndices::cell() const
{
    return celli_;
}


inline Foam::label& Foam::tetIndices::cell()
{
    return celli_;
}


inline Foam::label Foam::tetIndices::face() const
{
    return facei_;
}


inline Foam::label& Foam::tetIndices::face()
{
    return facei_;
}


inline Foam::label Foam::tetIndices::tetPt() const
{
    return tetPti_;
}


inline Foam::label& Foam::tetIndices::tetPt()
{
    return tetPti_;
}


inline Foam::triFace Foam::tetIndices::faceTriIs(const polyMesh& mesh) const
{
    const Foam::face& f = mesh.faces()[face()];

    label faceBasePtI = mesh.tetBasePtIs()[face()];

    if (faceBasePtI < 0)
    {
        faceBasePtI = 0;
        if (nWarnings < maxNWarnings)
        {
            WarningInFunction
                << "No base point for face " << face() << ", " << f
                << ", produces a valid tet decomposition." << endl;
            ++ nWarnings;
        }
        if (nWarnings == maxNWarnings)
        {
            Warning
                << "Suppressing any further warnings." << endl;
            ++ nWarnings;
        }
    }

    label facePtI = (tetPt() + faceBasePtI) % f.size();
    label faceOtherPtI = f.fcIndex(facePtI);

    if (mesh.faceOwner()[face()] != cell())
    {
        Swap(facePtI, faceOtherPtI);
    }

    return triFace(f[faceBasePtI], f[facePtI], f[faceOtherPtI]);
}


inline Foam::tetPointRef Foam::tetIndices::tet(const polyMesh& mesh) const
{
    const pointField& meshPoints = mesh.points();
    const triFace tri = faceTriIs(mesh);

    return tetPointRef
    (
        mesh.cellCentres()[cell()],
        meshPoints[tri[0]],
        meshPoints[tri[1]],
        meshPoints[tri[2]]
    );
}


inline Foam::triPointRef Foam::tetIndices::faceTri(const polyMesh& mesh) const
{
    const pointField& meshPoints = mesh.points();
    const triFace tri = faceTriIs(mesh);

    return triPointRef
    (
        meshPoints[tri[0]],
        meshPoints[tri[1]],
        meshPoints[tri[2]]
    );
}


inline Foam::triPointRef Foam::tetIndices::oldFaceTri
(
    const polyMesh& mesh
) const
{
    const pointField& meshOldPoints = mesh.oldPoints();
    const triFace tri = faceTriIs(mesh);

    return triPointRef
    (
        meshOldPoints[tri[0]],
        meshOldPoints[tri[1]],
        meshOldPoints[tri[2]]
    );
}


// * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //

inline bool Foam::tetIndices::operator==(const Foam::tetIndices& rhs) const
{
    return
        cell() == rhs.cell()
     && face() == rhs.face()
     && tetPt() == rhs.tetPt();
}


inline bool Foam::tetIndices::operator!=(const Foam::tetIndices& rhs) const
{
    return !(*this == rhs);
}


// ************************************************************************* //