142 lines
2.9 KiB
C
142 lines
2.9 KiB
C
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// Copyright (c) 2000
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// Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland),
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// INRIA Sophia-Antipolis (France),
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// Max-Planck-Institute Saarbruecken (Germany),
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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)
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//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/Cartesian_kernel/include/CGAL/Cartesian/Point_3.h $
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// $Id: Point_3.h 8bb22d5 2020-03-26T14:23:37+01:00 Sébastien Loriot
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// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
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//
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//
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// Author(s) : Andreas Fabri and Herve Bronnimann
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#ifndef CGAL_CARTESIAN_POINT_3_H
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#define CGAL_CARTESIAN_POINT_3_H
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#include <CGAL/Origin.h>
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namespace CGAL {
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template < class R_ >
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class PointC3
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{
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typedef PointC3<R_> Self;
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typedef typename R_::Vector_3 Vector_3;
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typedef typename R_::Point_3 Point_3;
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typedef typename R_::Aff_transformation_3 Aff_transformation_3;
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// We do not use reference counting here as it is done at the Vector_3 level.
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Vector_3 base;
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public:
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typedef typename Vector_3::Cartesian_const_iterator Cartesian_const_iterator;
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typedef R_ R;
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typedef typename R_::FT FT;
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PointC3() {}
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PointC3(const Origin &)
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: base(NULL_VECTOR) {}
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PointC3(const FT &x, const FT &y, const FT &z)
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: base(x, y, z) {}
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PointC3(const FT &x, const FT &y, const FT &z, const FT &w)
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: base(x, y, z, w) {}
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friend void swap(Self& a, Self& b)
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#ifdef __cpp_lib_is_swappable
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noexcept(std::is_nothrow_swappable_v<Vector_3>)
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#endif
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{
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using std::swap;
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swap(a.base, b.base);
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}
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const FT & x() const
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{
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return base.x();
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}
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const FT & y() const
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{
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return base.y();
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}
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const FT & z() const
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{
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return base.z();
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}
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const FT & hx() const
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{
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return base.hx();
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}
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const FT & hy() const
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{
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return base.hy();
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}
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const FT & hz() const
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{
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return base.hz();
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}
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const FT & hw() const
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{
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return base.hw();
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}
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const FT & cartesian(int i) const;
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const FT & operator[](int i) const;
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const FT & homogeneous(int i) const;
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Cartesian_const_iterator cartesian_begin() const
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{
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return base.cartesian_begin();
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}
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Cartesian_const_iterator cartesian_end() const
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{
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return base.cartesian_end();
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}
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int dimension() const
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{
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return base.dimension();
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}
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Point_3 transform(const Aff_transformation_3 &t) const
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{
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return t.transform(*this);
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}
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};
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template < class R >
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inline
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const typename PointC3<R>::FT &
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PointC3<R>::cartesian(int i) const
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{
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return base.cartesian(i);
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}
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template < class R >
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inline
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const typename PointC3<R>::FT &
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PointC3<R>::operator[](int i) const
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{
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return base[i];
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}
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template < class R >
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inline
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const typename PointC3<R>::FT &
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PointC3<R>::homogeneous(int i) const
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{
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return base.homogeneous(i);
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}
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} //namespace CGAL
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#endif // CGAL_CARTESIAN_POINT_3_H
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