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## CGAL::side_of_oriented_sphere

Oriented_side |
side_of_oriented_sphere ( | Point_3<Kernel> p, Point_3<Kernel> q, Point_3<Kernel> r, Point_3<Kernel> s, Point_3<Kernel> test)
|  | returns the relative position of point test to the oriented sphere defined by p, q, r and s. The order of the points p, q, r, and s is important, since it determines the orientation of the implicitly constructed sphere. If the points p, q, r and s are positive oriented, positive side is the bounded interior of the sphere. Precondition: p, q, r and s are not coplanar.

### See Also

CGAL::side_of_bounded_sphere

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The CGAL Project . Tue, December 21, 2004 .