CGAL::compare_y() (2D/3D Linear Kernel)

See Chapter 2D and 3D Geometry Kernel

Functions
template<typename Kernel >
Comparison_result	CGAL::compare_y (const CGAL::Point_2< Kernel > &p, const CGAL::Point_2< Kernel > &q)
	compares Cartesian \( y\)-coordinates of p and q.
template<typename Kernel >
Comparison_result	CGAL::compare_y (const CGAL::Point_3< Kernel > &p, const CGAL::Point_3< Kernel > &q)
	compares Cartesian \( y\)-coordinates of p and q.
template<typename Kernel >
Comparison_result	CGAL::compare_y (const CGAL::Point_2< Kernel > &p, const CGAL::Line_2< Kernel > &l1, const CGAL::Line_2< Kernel > &l2)
	compares the \( y\)-coordinates of p and the intersection of lines l1 and l2.
template<typename Kernel >
Comparison_result	CGAL::compare_y (const CGAL::Line_2< Kernel > &l, const CGAL::Line_2< Kernel > &h1, const CGAL::Line_2< Kernel > &h2)
	compares the \( y\)-coordinates of the intersection of line l with line h1 and with line h2.
template<typename Kernel >
Comparison_result	CGAL::compare_y (const CGAL::Line_2< Kernel > &l1, const CGAL::Line_2< Kernel > &l2, const CGAL::Line_2< Kernel > &h1, const CGAL::Line_2< Kernel > &h2)
	compares the \( y\)-coordinates of the intersection of lines l1 and l2 and the intersection of lines h1 and h2.

Function Documentation

compare_y() [1/3]

template<typename Kernel >

Comparison_result CGAL::compare_y	(	const CGAL::Line_2< Kernel > &	l,
		const CGAL::Line_2< Kernel > &	h1,
		const CGAL::Line_2< Kernel > &	h2
	)

#include <CGAL/Kernel/global_functions.h>

compares the \( y\)-coordinates of the intersection of line l with line h1 and with line h2.

See Figure figcompare13 (b).

compare_y() [2/3]

template<typename Kernel >

Comparison_result CGAL::compare_y	(	const CGAL::Line_2< Kernel > &	l1,
		const CGAL::Line_2< Kernel > &	l2,
		const CGAL::Line_2< Kernel > &	h1,
		const CGAL::Line_2< Kernel > &	h2
	)

#include <CGAL/Kernel/global_functions.h>

compares the \( y\)-coordinates of the intersection of lines l1 and l2 and the intersection of lines h1 and h2.

See Figure figcompare13 (c).

compare_y() [3/3]

template<typename Kernel >

Comparison_result CGAL::compare_y	(	const CGAL::Point_2< Kernel > &	p,
		const CGAL::Line_2< Kernel > &	l1,
		const CGAL::Line_2< Kernel > &	l2
	)

#include <CGAL/Kernel/global_functions.h>

compares the \( y\)-coordinates of p and the intersection of lines l1 and l2.

See Figure figcompare13 (a).