CGAL::do_overlap

#include <CGAL/Bbox_2.h>

bool do_overlap ( Bbox_2 bb1, Bbox_2 bb2)
returns true iff bb1 and bb2 overlap, i.e., iff their intersection is non-empty.

#include <CGAL/Bbox_3.h>

bool do_overlap ( Bbox_3 bb1, Bbox_3 bb2)
returns true iff bb1 and bb2 overlap, i.e., iff their intersection is non-empty.