CGAL 4.7 - 2D Arrangements: CGAL::Arr_circle_segment_traits_2< Kernel >::Point_2 Class Reference

\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.7 - 2D Arrangements

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CGAL::Arr_circle_segment_traits_2< Kernel >::Point_2 Class Reference

`#include <CGAL/Arr_circle_segment_traits_2.h>`

## Definition

The `Point_2` number-type nested within the traits class represents a Cartesian point whose coordinates are algebraic numbers of type `CoordNT`.

## Types

typedef unspecified_type | Rational
| the `Kernel::FT` type.
typedef unspecified_type | CoordNT
| the algebraic number-type.

## Creation

| Point_2 ()
| default constructor.
| Point_2 (const Rational &x, const Rational &y)
| creates the point \( (x,y)\).
| Point_2 (const CoordNT &x, const CoordNT &y)
| creates the point \( (x,y)\).

## Access Functions

CoordNT | x () const
| returns the \( x\)-coordinate.
CoordNT | y () const
| returns the \( y\)-coordinate.