mirror of https://github.com/CGAL/cgal
134 lines
3.4 KiB
C++
134 lines
3.4 KiB
C++
// Copyright (c) 2000 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $Source$
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// $Revision$ $Date$
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// $Name$
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//
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// Author(s) : Herve Bronnimann
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#ifndef CGAL_CARTESIAN_POINT_CONSTRUCTIONS_3_H
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#define CGAL_CARTESIAN_POINT_CONSTRUCTIONS_3_H
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#include <CGAL/Cartesian/Point_3.h>
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#include <CGAL/constructions/kernel_ftC3.h>
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CGAL_BEGIN_NAMESPACE
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template < class K >
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inline
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typename K::Point_3
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midpoint(const PointC3<K> &p,
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const PointC3<K> &q)
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{
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return K().construct_midpoint_3_object()(p, q);
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}
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template < class K >
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inline
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PointC3<K>
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centroid(const PointC3<K> &p,
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const PointC3<K> &q,
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const PointC3<K> &r,
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const PointC3<K> &s)
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{
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return K().construct_centroid_3_object()(p, q, r, s);
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}
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template < class K >
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inline
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PointC3<K>
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centroid(const PointC3<K> &p,
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const PointC3<K> &q,
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const PointC3<K> &r)
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{
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return K().construct_centroid_3_object()(p, q, r);
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}
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template < class K >
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inline
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PointC3<K>
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circumcenter(const PointC3<K> &p,
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const PointC3<K> &q,
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const PointC3<K> &r,
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const PointC3<K> &s)
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{
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return K().construct_circumcenter_3_object()(p, q, r, s);
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}
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template < class K >
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inline
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PointC3<K>
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circumcenter(const PointC3<K> &p,
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const PointC3<K> &q,
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const PointC3<K> &r)
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{
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return K().construct_circumcenter_3_object()(p, q, r);
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}
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template <class K>
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CGAL_KERNEL_LARGE_INLINE
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PointC3<K>
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point_on_line(int i, const LineC3<K> &l)
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{
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typename K::FT x, y, z;
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point_on_lineC3(l.point().x(), l.point().y(), l.point().z(),
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l.direction().dx(), l.direction().dy(), l.direction().dz(),
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i, x, y, z);
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return PointC3<K>(x, y, z);
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}
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template <class K>
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CGAL_KERNEL_LARGE_INLINE
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PointC3<K>
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projection_line(const PointC3<K> &p, const LineC3<K> &l)
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{
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typename K::FT x, y, z;
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projection_lineC3(p.x(), p.y(), p.z(),
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l.point().x(), l.point().y(), l.point().z(),
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l.direction().dx(), l.direction().dy(), l.direction().dz(),
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x, y, z);
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return PointC3<K>(x, y, z);
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}
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template <class K>
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CGAL_KERNEL_LARGE_INLINE
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PointC3<K>
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point_on_plane(const PlaneC3<K> &p)
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{
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typename K::FT x, y, z;
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point_on_planeC3(p.a(), p.b(), p.c(), p.d(), x, y, z);
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return PointC3<K>(x, y, z);
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}
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template <class K>
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CGAL_KERNEL_LARGE_INLINE
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PointC3<K>
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projection_plane(const PointC3<K> &p,
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const PlaneC3<K> &h)
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{
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typename K::FT x, y, z;
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projection_planeC3(h.a(), h.b(), h.c(), h.d(),
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p.x(), p.y(), p.z(),
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x, y, z);
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return PointC3<K>(x, y, z);
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}
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CGAL_END_NAMESPACE
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#endif // CGAL_CARTESIAN_POINT_CONSTRUCTIONS_3_H
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