CGAL 4.14 - 2D and 3D Linear Geometry Kernel
Kernel::CompareXY_2 Concept Reference

Definition

Refines:
AdaptableFunctor (with two arguments)
CGAL::compare_xy()
Kernel::CompareYX_2
Compares the Cartesian coordinates of points p and q lexicographically in $$xy$$ order: first $$x$$-coordinates are compared, if they are equal, $$y$$-coordinates are compared.