File: Vector_d.h

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// Copyright (c) 2000,2001
// Utrecht University (The Netherlands),
// ETH Zurich (Switzerland),
// INRIA Sophia-Antipolis (France),
// Max-Planck-Institute Saarbruecken (Germany),
// and Tel-Aviv University (Israel).  All rights reserved.
//
// This file is part of CGAL (www.cgal.org)
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1/Kernel_d/include/CGAL/Kernel_d/Vector_d.h $
// $Id: include/CGAL/Kernel_d/Vector_d.h b26b07a1242 $
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s)     : Michael Seel

#ifndef CGAL_VECTOR_D_H
#define CGAL_VECTOR_D_H

#include <CGAL/Dimension.h>
#include <CGAL/Origin.h>

namespace CGAL {

template <class pR>
  class Direction_d;

template <class pR>
  class Point_d;

template <class pR>
class Vector_d : public pR::Vector_d_base
{ public:

  typedef CGAL::Dynamic_dimension_tag Ambient_dimension;
  typedef CGAL::Dimension_tag<0>      Feature_dimension;

  typedef typename pR::Vector_d_base Base;
  typedef Vector_d<pR>               Self;
  typedef pR R;
  typedef typename R::RT RT;
  typedef typename R::FT FT;
  typedef typename R::LA LA;
  typedef typename Base::Base_vector Base_vector;

  Vector_d(int d=0) : Base(d) {}
  Vector_d(int d, Null_vector v) : Base(d,v) {}
  Vector_d(int a, int b, int c = 1) : Base(a,b,c) {}
  Vector_d(const RT& a, const RT& b, const RT& c = 1) :
    Base(a,b,c) {}
  Vector_d(int a, int b, int c, int d) : Base(a,b,c,d) {}
  Vector_d(const RT& a, const RT& b, const RT& c, const RT& d) :
    Base(a,b,c,d) {}
  Vector_d(int d, Base_vector, int i) :
    Base(d,Base_vector(),i) {}

  template <class InputIterator>
  Vector_d (int d, InputIterator first, InputIterator last)
    : Base (d, first, last) {}
  template <class InputIterator>
  Vector_d (int d, InputIterator first, InputIterator last, const RT& D)
    : Base (d, first, last, D) {}

  Vector_d(const Base& v) : Base(v) {}

  Direction_d<R> direction() const { return Base::direction(); }

  FT operator* (const Self& w) const
  { return Base::operator*(w); }
  Self operator+(const Self& w) const
  { return Base::operator+(w); }
  Self operator-(const Self& w) const
  { return Base::operator-(w); }
  Self operator-() const
  { return Base::operator-(); }

  template <class NT>
  Self operator/(const NT& n) const { return Base::operator/(n); }

  Self& operator+=(const Self& w)
  { return static_cast<Self&>(Base::operator+=(w)); }
  Self& operator-=(const Self& w)
  { return static_cast<Self&>(Base::operator-=(w)); }
  template <class NT>
  Self& operator*=(const NT& n)
  { return static_cast<Self&>(Base::operator*=(n)); }
  template <class NT>
  Self& operator/=(const NT& n)
  { return static_cast<Self&>(Base::operator/=(n)); }

  bool operator==(const Self& w) const
  { return Base::operator==(w); }
  bool operator!=(const Self& w) const
  { return Base::operator!=(w); }
  bool operator==(const Base& w) const
  { return Base::operator==(w); }
  bool operator!=(const Base& w) const
  { return Base::operator!=(w); }

};

template <class R> Point_d<R>
operator+ (const Origin& o, const Vector_d<R>& v)
{ return Point_d<R>( o + static_cast<const typename Vector_d<R>::Base&>(v) ); }

template <class NT, class R>
Vector_d<R> operator*(const NT& n, const Vector_d<R>& v)
{ return Vector_d<R>( n * static_cast<const typename Vector_d<R>::Base&>(v) ); }

} //namespace CGAL
#endif //CGAL_VECTOR_D_H