mirror of https://github.com/CGAL/cgal
132 lines
3.2 KiB
C++
132 lines
3.2 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/point_constructions_3.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_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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