mirror of https://github.com/CGAL/cgal
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
// ======================================================================
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//
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// Copyright (c) 2000 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 :
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// release_date :
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//
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// file : include/CGAL/Cartesian/circle_constructions_2.h
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// revision : $Revision$
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// revision_date : $Date$
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// author(s) : Herve Bronnimann
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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 CGAL_CARTESIAN_CIRCLE_CONSTRUCTIONS_2_H
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#define CGAL_CARTESIAN_CIRCLE_CONSTRUCTIONS_2_H
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#include <utility>
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#include <CGAL/Cartesian/redefine_names_2.h>
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#include <CGAL/Cartesian/Point_2.h>
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CGAL_BEGIN_NAMESPACE
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// FIXME : this function should not be here.
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template < class R >
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inline
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typename R::FT
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squared_circumradius(const PointC2<R CGAL_CTAG> &p,
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const PointC2<R CGAL_CTAG> &q,
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const PointC2<R CGAL_CTAG> &r)
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{
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return squared_circumradiusC2(p.x(), p.y(), q.x(), q.y(), r.x(), r.y());
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}
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// FIXME : This one's used nowhere. Probably should return a Circle ?
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template < class R >
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inline
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PointC2<R CGAL_CTAG>
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squared_circumcircle(const PointC2<R CGAL_CTAG> &p,
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const PointC2<R CGAL_CTAG> &q,
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const PointC2<R CGAL_CTAG> &r,
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typename R::FT &radius)
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{
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typename R::FT x, y;
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radius = squared_circumradiusC2(p.x(), p.y(), q.x(), q.y(), r.x(), r.y(),
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x, y);
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return PointC2<R CGAL_CTAG>(x, y);
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}
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CGAL_END_NAMESPACE
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#endif // CGAL_CARTESIAN_CIRCLE_CONSTRUCTIONS_2_H
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