CGAL::collinear()

See also

CGAL::left_turn()

CGAL::orientation()

CGAL::right_turn()

Functions
template<typename Kernel >
bool	CGAL::collinear (const CGAL::Point_2< Kernel > &p, const CGAL::Point_2< Kernel > &q, const CGAL::Point_2< Kernel > &r)
	returns true, iff p, q, and r are collinear. More...
template<typename Kernel >
bool	CGAL::collinear (const CGAL::Point_3< Kernel > &p, const CGAL::Point_3< Kernel > &q, const CGAL::Point_3< Kernel > &r)
	returns true, iff p, q, and r are collinear. More...

Function Documentation

collinear() [1/2]

template<typename Kernel >

bool CGAL::collinear	(	const CGAL::Point_2< Kernel > &	p,
		const CGAL::Point_2< Kernel > &	q,
		const CGAL::Point_2< Kernel > &	r
	)

#include <CGAL/Kernel/global_functions.h>

returns true, iff p, q, and r are collinear.

Examples

Kernel_23/exact.cpp, and Kernel_23/surprising.cpp.

collinear() [2/2]

template<typename Kernel >

bool CGAL::collinear	(	const CGAL::Point_3< Kernel > &	p,
		const CGAL::Point_3< Kernel > &	q,
		const CGAL::Point_3< Kernel > &	r
	)

#include <CGAL/Kernel/global_functions.h>

returns true, iff p, q, and r are collinear.