CGAL 5.5.2 - 2D and 3D Linear Geometry Kernel

Definition

Operations

A model of this concept must provide:

bool operator() (const Kernel::Line_2 &o)
 returns true iff o is horizontal.
 
bool operator() (const Kernel::Ray_2 &o)
 returns true iff o is horizontal.
 
bool operator() (const Kernel::Segment_2 &o)
 returns true iff o is horizontal.