CGAL 5.5 - 2D and 3D Linear Geometry Kernel

Definition

Refines:
AdaptableFunctor (with three arguments)
See also
CGAL::left_turn()

Operations

A model of this concept must provide:

bool operator() (const Kernel::Point_2 &p, const Kernel::Point_2 &q, const Kernel::Point_2 &r)
 returns true, iff the three points p, q and r form a left turn.