Kernel::Angle_2

A model for this must provide:

Angle	fo.operator() ( Kernel::Point_2 p, Kernel::Point_2 q, Kernel::Point_2 r)
		returns OBTUSE, RIGHT or ACUTE depending on the angle formed by the three points $$p, $$q, $$r ($$q being the vertex of the angle).

Refines

See Also