Kernel::CompareX_2 Concept Reference

Definition

Refines:

AdaptableFunctor (with two arguments)

See Also

CGAL::compare_x()

Operations
A model of this concept must provide:
Comparison_result	operator() (const Kernel::Point_2 &p, const Kernel::Point_2 &q)
	compares the Cartesian \( x\)-coordinates of points p and q
Comparison_result	operator() (const Kernel::Point_2 &p, const Kernel::Line_2 &l1, const Kernel::Line_2 &l2)
	compares the \( x\)-coordinates of p and the intersection of lines l1 and l2. More...
Comparison_result	operator() (const Kernel::Line_2 &l, const Kernel::Line_2 &h1, const Kernel::Line_2 &h2)
	compares the x-coordinates of the intersection of line l with line h1 and with line h2. More...
Comparison_result	operator() (const Kernel::Line_2 &l1, const Kernel::Line_2 &l2, const Kernel::Line_2 &h1, const Kernel::Line_2 &h2)
	compares the \( x\)-coordinates of the intersection of lines l1 and l2 and the intersection of lines h1 and h2. More...

Member Function Documentation

Comparison_result Kernel::CompareX_2::operator()	(	const Kernel::Point_2 &	p,
		const Kernel::Line_2 &	l1,
		const Kernel::Line_2 &	l2
	)

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

See Figure fig-compare12 (a).

Comparison_result Kernel::CompareX_2::operator()	(	const Kernel::Line_2 &	l,
		const Kernel::Line_2 &	h1,
		const Kernel::Line_2 &	h2
	)

compares the x-coordinates of the intersection of line l with line h1 and with line h2.

See Figure fig-compare12 (b).

Comparison_result Kernel::CompareX_2::operator()	(	const Kernel::Line_2 &	l1,
		const Kernel::Line_2 &	l2,
		const Kernel::Line_2 &	h1,
		const Kernel::Line_2 &	h2
	)

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

See Figure fig-compare12 (c).