box_diameter.h

// Description: Diameter of a box
// Documentation: diameter.txt

#ifndef PASTELGEOMETRY_BOX_DIAMETER_H
#define PASTELGEOMETRY_BOX_DIAMETER_H

#include "pastel/geometry/shape/box.h"
#include "pastel/sys/vector/vector.h"

namespace Pastel
{

    //! Returns the squared diameter of a box.
    template <typename Real, int N>
    Real diameter2(
        const Box<Real, N>& box)
    {
        return 4 * dot(box.width());
    }

}

#endif