blockEdgeI.H

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    Copyright (C) 2021 OpenCFD Ltd.
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// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
inline bool Foam::blockEdge::valid() const noexcept
{
    return (start_ != end_ && start_ >= 0 && end_ >= 0);
}
 
 
inline Foam::label Foam::blockEdge::start() const noexcept
{
    return start_;
}
 
 
inline Foam::label Foam::blockEdge::end() const noexcept
{
    return end_;
}
 
 
inline const Foam::point& Foam::blockEdge::firstPoint() const
{
    return points_[start_];
}
 
 
inline const Foam::point& Foam::blockEdge::lastPoint() const
{
    return points_[end_];
}
 
 
inline int Foam::blockEdge::compare(const label start, const label end) const
{
    if (start_ == start && end_ == end)
    {
        return 1;
    }
    else if (start_ == end && end_ == start)
    {
        return -1;
    }
 
    return 0;
}
 
 
inline int Foam::blockEdge::compare(const blockEdge& e) const
{
    return Foam::blockEdge::compare(e.start(), e.end());
}
 
 
inline int Foam::blockEdge::compare(const edge& e) const
{
    return Foam::blockEdge::compare(e.start(), e.end());
}
 
 
inline Foam::point Foam::blockEdge::linearPosition(const scalar lambda) const
{
    #ifdef FULLDEBUG
    if (lambda < -SMALL || lambda > 1 + SMALL)
    {
        InfoInFunction
            << "Limit parameter to [0-1] range: " << lambda << nl;
    }
    #endif
 
    if (lambda < SMALL)
    {
        return firstPoint();
    }
    else if (lambda >= 1 - SMALL)
    {
        return lastPoint();
    }
 
    return firstPoint() + lambda * (lastPoint() - firstPoint());
}
 
 
// ************************************************************************* //