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CGAL 4.4 - 2D and 3D Linear Geometry Kernel
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CGAL::squared_radius()

See Also
Circle_2<Kernel>_grp
Circle_3<Kernel>_grp
Sphere_3<Kernel>_grp

Functions

template<typename Kernel >
FT CGAL::squared_radius (const CGAL::Point_2< Kernel > &p, const CGAL::Point_2< Kernel > &q, const CGAL::Point_2< Kernel > &r)
 compute the squared radius of the circle passing through the points p, q, and r. More...
 
template<typename Kernel >
FT CGAL::squared_radius (const CGAL::Point_2< Kernel > &p, const CGAL::Point_2< Kernel > &q)
 compute the squared radius of the smallest circle passing through p, and q, i.e. one fourth of the squared distance between p and q.
 
template<typename Kernel >
FT CGAL::squared_radius (const CGAL::Point_2< Kernel > &p)
 compute the squared radius of the smallest circle passing through p, i.e. \( 0\).
 
template<typename Kernel >
FT CGAL::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)
 compute the squared radius of the sphere passing through the points p, q, r and s. More...
 
template<typename Kernel >
FT CGAL::squared_radius (const CGAL::Point_3< Kernel > &p, const CGAL::Point_3< Kernel > &q, const CGAL::Point_3< Kernel > &r)
 compute the squared radius of the sphere passing through the points p, q, and r and whose center is in the same plane as those three points.
 
template<typename Kernel >
FT CGAL::squared_radius (const CGAL::Point_3< Kernel > &p, const CGAL::Point_3< Kernel > &q)
 compute the squared radius of the smallest circle passing through p, and q, i.e. one fourth of the squared distance between p and q.
 
template<typename Kernel >
FT CGAL::squared_radius (const CGAL::Point_3< Kernel > &p)
 compute the squared radius of the smallest circle passing through p, i.e. \( 0\).
 

Function Documentation

template<typename Kernel >
FT CGAL::squared_radius ( const CGAL::Point_2< Kernel > &  p,
const CGAL::Point_2< Kernel > &  q,
const CGAL::Point_2< Kernel > &  r 
)

compute the squared radius of the circle passing through the points p, q, and r.

Precondition
p, q, and r are not collinear.

#include <CGAL/global_functions.h>

template<typename Kernel >
FT CGAL::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 
)

compute the squared radius of the sphere passing through the points p, q, r and s.

Precondition
p, q, r and s are not coplanar.

#include <CGAL/global_functions.h>