cgal/Kernel_23/include/CGAL/Vector_3.h

130 lines
3.4 KiB
C++

// Copyright (c) 1999 Utrecht University (The Netherlands),
// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
// and Tel-Aviv University (Israel). All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; version 2.1 of the License.
// See the file LICENSE.LGPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Andreas Fabri, Stefan Schirra
#ifndef CGAL_VECTOR_3_H
#define CGAL_VECTOR_3_H
#include <CGAL/Origin.h>
CGAL_BEGIN_NAMESPACE
template <class R_>
class Vector_3 : public R_::Kernel_base::Vector_3
{
typedef typename R_::RT RT;
typedef typename R_::FT FT;
typedef typename R_::Segment_3 Segment_3;
typedef typename R_::Ray_3 Ray_3;
typedef typename R_::Line_3 Line_3;
typedef typename R_::Point_3 Point_3;
typedef typename R_::Direction_3 Direction_3;
typedef typename R_::Aff_transformation_3 Aff_transformation_3;
typedef typename R_::Kernel_base::Vector_3 RVector_3;
public:
typedef RVector_3 Rep;
const Rep& rep() const
{
return *this;
}
Rep& rep()
{
return *this;
}
typedef R_ R;
Vector_3() {}
Vector_3(const Point_3& a, const Point_3& b)
: RVector_3(a, b) {}
Vector_3(const Segment_3& s)
: RVector_3(s) {}
Vector_3(const Ray_3& r)
: RVector_3(r) {}
Vector_3(const Line_3& l)
: RVector_3(l) {}
Vector_3(const RVector_3& v)
: RVector_3(v) {}
Vector_3(const Null_vector& v)
: RVector_3(v) {}
Vector_3(const RT& x, const RT& y, const RT& z)
: RVector_3(x, y, z) {}
Vector_3(const RT& x, const RT& y, const RT& z, const RT& w)
: RVector_3(x, y, z, w) {}
Direction_3 direction() const
{
return R().construct_direction_3_object()(*this);
}
Vector_3 transform(const Aff_transformation_3 &t) const
{
return t.transform(*this);
}
Vector_3 operator/(const RT& c) const
{
return R().construct_divided_vector_3_object()(*this,c);
}
Vector_3 operator/(const typename First_if_different<FT,RT>::Type & c) const
{
return R().construct_divided_vector_3_object()(*this,c);
}
};
#ifndef CGAL_NO_OSTREAM_INSERT_VECTOR_3
template < class R >
std::ostream&
operator<<(std::ostream& os, const Vector_3<R>& v)
{
typedef typename R::Kernel_base::Vector_3 RVector_3;
return os << static_cast<const RVector_3&>(v);
}
#endif // CGAL_NO_OSTREAM_INSERT_VECTOR_3
#ifndef CGAL_NO_ISTREAM_EXTRACT_VECTOR_3
template < class R >
std::istream&
operator>>(std::istream& is, Vector_3<R>& p)
{
typedef typename R::Kernel_base::Vector_3 RVector_3;
return is >> static_cast<RVector_3&>(p);
}
#endif // CGAL_NO_ISTREAM_EXTRACT_VECTOR_3
CGAL_END_NAMESPACE
#endif // CGAL_VECTOR_3_H