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CGAL::compare_squared_radius

Comparison_result compare_squared_radius ( Point_3<Kernel> p, typename Kernel::FT sr)
compares the squared radius of the sphere of radius 0 centered at p to sr. This returns the opposite sign of sr.

Comparison_result compare_squared_radius ( Point_3<Kernel> p, Point_3<Kernel> q, typename Kernel::FT sr)
compares the squared radius of the sphere defined by the points p and q to sr.

Comparison_result
compare_squared_radius ( Point_3<Kernel> p,
Point_3<Kernel> q,
Point_3<Kernel> r,
typename Kernel::FT sr)
compares the squared radius of the sphere defined by the points p, q, and r to sr.

Comparison_result
compare_squared_radius ( Point_3<Kernel> p,
Point_3<Kernel> q,
Point_3<Kernel> r,
Point_3<Kernel> s,
typename Kernel::FT sr)
compares the squared radius of the sphere defined by the points p, q, r, and r to sr.

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CGAL Open Source Project. Release 3.7. 14 October 2010.