mirror of https://github.com/CGAL/cgal
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
// ======================================================================
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//
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// Copyright (c) 1997 The CGAL Consortium
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//
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// This software and related documentation is part of an INTERNAL release
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// of the Computational Geometry Algorithms Library (CGAL). It is not
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// intended for general use.
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//
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// ----------------------------------------------------------------------
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//
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// release : $CGAL_Revision: CGAL-2.0-I-20 $
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// release_date : $CGAL_Date: 1999/06/02 $
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//
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// file : include/CGAL/smallest_radius_3.h
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// package : Alpha_shapes_3(1.0)
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// source : $RCSfile$
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// revision : $Revision$
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// revision_date : $Date$
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// author(s) : Tran Kai Frank DA <Frank.Da@sophia.inria.fr>
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//
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// coordinator : INRIA Sophia-Antipolis (<Mariette.Yvinec@sophia.inria.fr>)
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//
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// ======================================================================
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#ifndef SMALLEST_RADIUS_3_H
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#define SMALLEST_RADIUS_3_H
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#include <CGAL/Point_3.h>
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//-------------------------------------------------------------------
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CGAL_BEGIN_NAMESPACE
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//-------------------------------------------------------------------
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template <class R >
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CGAL_KERNEL_MEDIUM_INLINE
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typename R::FT
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squared_radius_smallest_circumsphere(const Point_3<R> &p,
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const Point_3<R> &q)
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{
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Vector_3<R> v(p - q);
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return typename R::FT ((v*v)/R::FT(4));
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}
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//-------------------------------------------------------------------
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CGAL_END_NAMESPACE
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//-------------------------------------------------------------------
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#endif // SMALLEST_RADIUS_3_H
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