The function ch_we_point finds two points of a given set of input points with minimal and maximal x coordinates.
#include <CGAL/ch_selected_extreme_points_2.h>
The default traits class Default_traits is the kernel in which the type ForwardIterator::value_type is defined.
CGAL::ch_e_point
CGAL::ch_nswe_point
CGAL::ch_n_point
CGAL::ch_ns_point
CGAL::ch_s_point
CGAL::ch_w_point