Depending on which CGAL kernel is used, different versions of this global function are available. This is described below.

See also: CGAL::compare_xy(); CGAL::compare_xyz(); CGAL::compare_x_at_y(); CGAL::compare_y(); CGAL::compare_yx(); CGAL::compare_y_at_x(); CGAL::compare_z()

Modules
	CGAL::compare_x() (2D/3D Linear Kernel)

	CGAL::compare_x() (2D Circular Kernel)

	CGAL::compare_x() (3D Spherical Kernel)

Modules