File: VectorCd_impl.h

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// Copyright (c) 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/VectorCd_impl.h $
// $Id: include/CGAL/Kernel_d/VectorCd_impl.h b26b07a1242 $
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s)     : Michael Seel <seel@mpi-sb.mpg.de>

#ifndef CGAL_VECTORCD_C
#define CGAL_VECTORCD_C
namespace CGAL {
#define PointCd PointCd2

template <class FT,class LA>
PointCd<FT,LA> VectorCd<FT,LA>::to_point() const
{ return PointCd<FT,LA>(Base(*this)); }

template <class FT,class LA>
PointCd<FT,LA>
operator+ (const Origin&, const VectorCd<FT,LA>& v)
{ return v.to_point(); }

template <class FT, class LA>
DirectionCd<FT,LA>  VectorCd<FT,LA>::
direction() const
{ CGAL_assertion_msg(!is_zero(), "VectorCd::direction: \
  zero vector cannot be a direction.");
  return DirectionCd<FT,LA>(*this);
}

template <class FT, class LA>
VectorCd<FT,LA> VectorCd<FT,LA>::
transform(const Aff_transformationCd<FT,LA>& t) const
{ typename LA::Vector res = t.transform_linearly(vector_rep());
  return VectorCd<FT,LA>(dimension(),res.begin(),res.end());
}

template <class FT, class LA>
VectorCd<FT,LA> operator*(const int& n, const VectorCd<FT,LA>& v)
{ return v.scale(n); }

template <class FT, class LA>
VectorCd<FT,LA> operator*(const FT& n, const VectorCd<FT,LA>& v)
{ return v.scale(n); }

template <class FT, class LA>
std::istream& operator>>(std::istream& I, VectorCd<FT,LA>& v)
{ v.copy_on_write(); v.ptr()->read(I);
  return I;
}

template <class FT, class LA>
std::ostream& operator<<(std::ostream& O, const VectorCd<FT,LA>& v)
{ v.ptr()->print(O,"VectorCd"); return O; }

#undef PointCd
} //namespace CGAL
#endif // CGAL_VECTORCD_C