\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)
CGAL 4.14.1 - 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:
AdaptableFunctor (with one argument)
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.