CGAL 6.0 - 2D and 3D Linear Geometry Kernel
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Kernel::IsHorizontal_2 Concept Reference
2D and 3D Linear Geometry Kernel Reference » Concepts » Kernel Function Object Concepts

Definition

Refines
AdaptableUnaryFunction
See also
CGAL::Line_2<Kernel>
CGAL::Ray_2<Kernel>
CGAL::Segment_2<Kernel>

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.