CGAL 6.1 - 2D and 3D Linear Geometry Kernel

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Functions
CGAL::compare_squared_radius()
Reference Manual » Global Kernel Functions

##

## Functions
template<typename Kernel >
Comparison_result | CGAL::compare_squared_radius (const CGAL::Point_3< Kernel > &p, const typename Kernel::FT &sr)
| compares the squared radius of the sphere of radius 0 centered at `p` to `sr`.
template<typename Kernel >
Comparison_result | CGAL::compare_squared_radius (const CGAL::Point_3< Kernel > &p, const CGAL::Point_3< Kernel > &q, const typename Kernel::FT &sr)
| compares the squared radius of the sphere defined by the points `p` and `q` to `sr`.
template<typename Kernel >
Comparison_result | CGAL::compare_squared_radius (const CGAL::Point_3< Kernel > &p, const CGAL::Point_3< Kernel > &q, const CGAL::Point_3< Kernel > &r, const typename Kernel::FT &sr)
| compares the squared radius of the sphere defined by the points `p`, `q`, and `r` to `sr`.
template<typename Kernel >
Comparison_result | CGAL::compare_squared_radius (const CGAL::Point_3< Kernel > &p, const CGAL::Point_3< Kernel > &q, const CGAL::Point_3< Kernel > &r, const CGAL::Point_3< Kernel > &s, const typename Kernel::FT &sr)
| compares the squared radius of the sphere defined by the points `p`, `q`, `r`, and `r` to `sr`.

## Function Documentation

## ◆ compare_squared_radius()

template<typename Kernel >

Comparison_result CGAL::compare_squared_radius | ( | const CGAL::Point_3< Kernel > & | p,
|  | const typename Kernel::FT & | sr
| ) |  |

`#include <CGAL/Kernel/global_functions.h>`

compares the squared radius of the sphere of radius 0 centered at `p` to `sr`.

This returns the opposite sign of `sr`.