C++ (Cpp) pointField::empty Examples

Example #1

File: boundBox.C Project: Brzous/WindFOAM

void Foam::boundBox::calculate(const pointField& points, const bool doReduce)
{
    if (points.empty())
    {
        min_ = point::zero;
        max_ = point::zero;

        if (doReduce && Pstream::parRun())
        {
            // Use values that get overwritten by reduce minOp, maxOp below
            min_ = point(VGREAT, VGREAT, VGREAT);
            max_ = point(-VGREAT, -VGREAT, -VGREAT);
        }
    }
    else
    {
        min_ = points[0];
        max_ = points[0];

        forAll(points, i)
        {
            min_ = ::Foam::min(min_, points[i]);
            max_ = ::Foam::max(max_, points[i]);
        }
    }

Example #2

void Foam::boundBox::calculate(const pointField& points, const bool doReduce)
{
    if (points.empty())
    {
        min_ = point::zero;
        max_ = point::zero;

        if (doReduce && Pstream::parRun())
        {
            // Use values that get overwritten by reduce minOp, maxOp below
            min_ = point(VGREAT, VGREAT, VGREAT);
            max_ = point(-VGREAT, -VGREAT, -VGREAT);
        }
    }
    else
    {
        min_ = points[0];
        max_ = points[0];

        for (label i = 1; i < points.size(); i++)
        {
            min_ = ::Foam::min(min_, points[i]);
            max_ = ::Foam::max(max_, points[i]);
        }
    }

    // Reduce parallel information
    if (doReduce)
    {
        reduce(min_, minOp<point>());
        reduce(max_, maxOp<point>());
    }
}