377 lines
9.4 KiB
C++
Executable File
377 lines
9.4 KiB
C++
Executable File
// Copyright (c) 1999
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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); 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; either version 3 of the License,
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// or (at your option) any later version.
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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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// $URL$
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// $Id$
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// SPDX-License-Identifier: LGPL-3.0+
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//
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//
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// Author(s) : Andreas Fabri, Stefan Schirra
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#ifndef CGAL_VECTOR_3_H
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#define CGAL_VECTOR_3_H
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#include <CGAL/Origin.h>
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#include <CGAL/Kernel/mpl.h>
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#include <CGAL/representation_tags.h>
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#include <CGAL/kernel_assertions.h>
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#include <CGAL/assertions.h>
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#include <boost/type_traits/is_same.hpp>
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#include <CGAL/Kernel/Return_base_tag.h>
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#include <CGAL/Dimension.h>
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#include <CGAL/result_of.h>
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#include <CGAL/IO/io.h>
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namespace CGAL {
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template <class R_>
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class Vector_3 : public R_::Kernel_base::Vector_3
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{
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typedef typename R_::RT RT;
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// https://doc.cgal.org/latest/Manual/devman_code_format.html#secprogramming_conventions
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typedef typename R_::FT FT_;
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typedef typename R_::Segment_3 Segment_3;
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typedef typename R_::Ray_3 Ray_3;
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typedef typename R_::Line_3 Line_3;
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typedef typename R_::Point_3 Point_3;
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typedef typename R_::Direction_3 Direction_3;
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typedef typename R_::Aff_transformation_3 Aff_transformation_3;
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typedef Vector_3 Self;
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CGAL_static_assertion((boost::is_same<Self, typename R_::Vector_3>::value));
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public:
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typedef Dimension_tag<3> Ambient_dimension;
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typedef Dimension_tag<0> Feature_dimension;
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typedef typename R_::Cartesian_const_iterator_3 Cartesian_const_iterator;
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typedef typename R_::Kernel_base::Vector_3 Rep;
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const Rep& rep() const
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{
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return *this;
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}
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Rep& rep()
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{
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return *this;
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}
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typedef R_ R;
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Vector_3() {}
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Vector_3(const Rep& v)
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: Rep(v) {}
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Vector_3(const Point_3& a, const Point_3& b)
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: Rep(typename R::Construct_vector_3()(Return_base_tag(), a, b)) {}
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explicit Vector_3(const Segment_3& s)
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: Rep(typename R::Construct_vector_3()(Return_base_tag(), s)) {}
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explicit Vector_3(const Ray_3& r)
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: Rep(typename R::Construct_vector_3()(Return_base_tag(), r)) {}
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explicit Vector_3(const Line_3& l)
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: Rep(typename R::Construct_vector_3()(Return_base_tag(), l)) {}
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Vector_3(const Null_vector& v)
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: Rep(typename R::Construct_vector_3()(Return_base_tag(), v)) {}
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template < typename T1, typename T2, typename T3 >
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Vector_3(const T1 &x, const T2 &y, const T3 &z)
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: Rep(typename R::Construct_vector_3()(Return_base_tag(), x, y, z)) {}
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Vector_3(const RT& x, const RT& y, const RT& z, const RT& w)
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: Rep(typename R::Construct_vector_3()(Return_base_tag(), x, y, z, w)) {}
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Direction_3 direction() const
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{
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return R().construct_direction_3_object()(*this);
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}
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Vector_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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Vector_3 operator-() const
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{
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return R().construct_opposite_vector_3_object()(*this);
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}
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Vector_3 operator-(const Vector_3& v) const
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{
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return R().construct_difference_of_vectors_3_object()(*this,v);
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}
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Vector_3& operator-=(const Vector_3& v)
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{
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*this = R().construct_difference_of_vectors_3_object()(*this,v);
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return *this;
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}
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Vector_3 operator+(const Vector_3& v) const
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{
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return R().construct_sum_of_vectors_3_object()(*this,v);
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}
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Vector_3& operator+=(const Vector_3& v)
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{
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*this = R().construct_sum_of_vectors_3_object()(*this,v);
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return *this;
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}
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Vector_3 operator/(const RT& c) const
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{
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return R().construct_divided_vector_3_object()(*this,c);
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}
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Vector_3& operator/=(const RT& c)
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{
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*this = R().construct_divided_vector_3_object()(*this,c);
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return *this;
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}
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Vector_3 operator/(const typename First_if_different<FT_,RT>::Type & c) const
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{
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return R().construct_divided_vector_3_object()(*this,c);
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}
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Vector_3& operator/=(const typename First_if_different<FT_,RT>::Type & c)
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{
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*this = R().construct_divided_vector_3_object()(*this,c);
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return *this;
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}
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Vector_3& operator*=(const RT& c)
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{
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*this = R().construct_scaled_vector_3_object()(*this,c);
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return *this;
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}
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Vector_3& operator*=(const typename First_if_different<FT_,RT>::Type & c)
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{
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*this = R().construct_scaled_vector_3_object()(*this,c);
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return *this;
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}
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typename cpp11::result_of<typename R::Compute_x_3(Vector_3)>::type
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x() const
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{
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return R().compute_x_3_object()(*this);
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}
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typename cpp11::result_of<typename R::Compute_y_3(Vector_3)>::type
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y() const
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{
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return R().compute_y_3_object()(*this);
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}
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typename cpp11::result_of<typename R::Compute_z_3(Vector_3)>::type
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z() const
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{
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return R().compute_z_3_object()(*this);
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}
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typename cpp11::result_of<typename R::Compute_hx_3(Vector_3)>::type
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hx() const
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{
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return R().compute_hx_3_object()(*this);
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}
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typename cpp11::result_of<typename R::Compute_hy_3(Vector_3)>::type
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hy() const
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{
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return R().compute_hy_3_object()(*this);
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}
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typename cpp11::result_of<typename R::Compute_hz_3(Vector_3)>::type
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hz() const
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{
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return R().compute_hz_3_object()(*this);
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}
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typename cpp11::result_of<typename R::Compute_hw_3(Vector_3)>::type
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hw() const
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{
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return R().compute_hw_3_object()(*this);
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}
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typename cpp11::result_of<typename R::Compute_x_3(Vector_3)>::type
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cartesian(int i) const
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{
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CGAL_kernel_precondition( (i == 0) || (i == 1) || (i == 2) );
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if (i==0) return x();
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if (i==1) return y();
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return z();
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}
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typename cpp11::result_of<typename R::Compute_hw_3(Vector_3)>::type
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homogeneous(int i) const
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{
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CGAL_kernel_precondition( (i >= 0) || (i <= 3) );
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if (i==0) return hx();
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if (i==1) return hy();
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if (i==2) return hz();
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return hw();
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}
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int dimension() const
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{
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return 3;
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}
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typename cpp11::result_of<typename R::Compute_x_3(Vector_3)>::type
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operator[](int i) const
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{
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return cartesian(i);
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}
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Cartesian_const_iterator cartesian_begin() const
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{
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return typename R::Construct_cartesian_const_iterator_3()(*this);
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}
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Cartesian_const_iterator cartesian_end() const
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{
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return typename R::Construct_cartesian_const_iterator_3()(*this,3);
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}
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typename cpp11::result_of<typename R::Compute_squared_length_3(Vector_3)>::type
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squared_length() const
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{
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return R().compute_squared_length_3_object()(*this);
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}
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};
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template <class R >
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std::ostream&
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insert(std::ostream& os, const Vector_3<R>& v, const Cartesian_tag&)
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{
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switch(get_mode(os)) {
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case IO::ASCII :
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return os << v.x() << ' ' << v.y() << ' ' << v.z();
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case IO::BINARY :
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write(os, v.x());
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write(os, v.y());
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write(os, v.z());
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return os;
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default:
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os << "VectorC3(" << v.x() << ", " << v.y() << ", " << v.z() << ")";
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return os;
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}
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}
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template <class R >
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std::ostream&
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insert(std::ostream& os, const Vector_3<R>& v, const Homogeneous_tag&)
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{
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switch(get_mode(os))
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{
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case IO::ASCII :
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return os << v.hx() << ' ' << v.hy() << ' ' << v.hz() << ' ' << v.hw();
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case IO::BINARY :
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write(os, v.hx());
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write(os, v.hy());
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write(os, v.hz());
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write(os, v.hw());
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return os;
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default:
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return os << "VectorH3(" << v.hx() << ", "
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<< v.hy() << ", "
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<< v.hz() << ", "
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<< v.hw() << ')';
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}
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}
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template < class R >
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std::ostream&
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operator<<(std::ostream& os, const Vector_3<R>& v)
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{
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return insert(os, v, typename R::Kernel_tag() );
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}
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template <class R >
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std::istream&
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extract(std::istream& is, Vector_3<R>& v, const Cartesian_tag&)
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{
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typename R::FT x(0), y(0), z(0);
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switch(get_mode(is)) {
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case IO::ASCII :
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is >> iformat(x) >> iformat(y) >> iformat(z);
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break;
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case IO::BINARY :
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read(is, x);
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read(is, y);
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read(is, z);
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break;
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default:
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is.setstate(std::ios::failbit);
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std::cerr << "" << std::endl;
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std::cerr << "Stream must be in ascii or binary mode" << std::endl;
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break;
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}
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if (is)
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v = Vector_3<R>(x, y, z);
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return is;
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}
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template <class R >
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std::istream&
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extract(std::istream& is, Vector_3<R>& v, const Homogeneous_tag&)
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{
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typename R::RT hx, hy, hz, hw;
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switch(get_mode(is))
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{
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case IO::ASCII :
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is >> hx >> hy >> hz >> hw;
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break;
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case IO::BINARY :
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read(is, hx);
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read(is, hy);
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read(is, hz);
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read(is, hw);
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break;
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default:
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is.setstate(std::ios::failbit);
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std::cerr << "" << std::endl;
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std::cerr << "Stream must be in ascii or binary mode" << std::endl;
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break;
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}
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if (is)
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v = Vector_3<R>(hx, hy, hz, hw);
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return is;
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}
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template < class R >
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std::istream&
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operator>>(std::istream& is, Vector_3<R>& v)
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{
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return extract(is, v, typename R::Kernel_tag() );
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}
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} //namespace CGAL
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#endif // CGAL_VECTOR_3_H
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