sortLabelledTri.C

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#include "sortLabelledTri.H"
#include "labelledTri.H"
#include "triSurface.H"

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

namespace Foam
{

// * * * * * * * * * * * * * * * Private Classes * * * * * * * * * * * * * * //

inline bool surfAndLabel::less::operator()
(
    const surfAndLabel& one,
    const surfAndLabel& two
) const
{
    const triSurface& surf = *one.surfPtr_;
    return surf[one.index_].region() < surf[two.index_].region();
}


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

// Construct from components
sortLabelledTri::sortLabelledTri(const triSurface& surf)
:
    List<surfAndLabel>(surf.size(), surfAndLabel(surf, -1))
{

    // Set the face label
    forAll(surf, facei)
    {
        operator[](facei).index_ = facei;
    }

    // Sort according to region number.
    sort(*this, surfAndLabel::less());
}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

void sortLabelledTri::indices(labelList& newIndices) const
{
    newIndices.setSize(size());

    forAll(newIndices, i)
    {
        newIndices[i] = operator[](i).index_;
    }
}


labelList sortLabelledTri::indices() const
{
    labelList newIndices(size());
    indices(newIndices);
    return newIndices;
}


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

} // End namespace Foam

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