mirror of https://github.com/CGAL/cgal
121 lines
3.2 KiB
C++
121 lines
3.2 KiB
C++
// ======================================================================
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//
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// Copyright (c) 1999 The CGAL Consortium
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//
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// This software and related documentation is part of an INTERNAL release
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// of the Computational Geometry Algorithms Library (CGAL). It is not
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// intended for general use.
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//
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// ----------------------------------------------------------------------
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//
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// release :
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// release_date :
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//
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// file : Direction_3.h
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// package : _3
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// revision : $Revision$
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// revision_date : $Date$
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// author(s) : Andreas Fabri
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// Stefan Schirra
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//
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// coordinator : MPI, Saarbruecken (<Stefan.Schirra@mpi-sb.mpg.de>)
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// ======================================================================
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#ifndef CGAL_DIRECTION_3_H
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#define CGAL_DIRECTION_3_H
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#ifndef CGAL_REP_CLASS_DEFINED
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#error no representation class defined
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#endif
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#if defined CGAL_HOMOGENEOUS_H || defined CGAL_SIMPLE_HOMOGENEOUS_H
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#include <CGAL/DirectionH3.h>
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#endif
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#if defined CGAL_CARTESIAN_H || defined CGAL_SIMPLE_CARTESIAN_H
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#include <CGAL/Cartesian/Direction_3.h>
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#endif
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#include <CGAL/Vector_3.h>
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CGAL_BEGIN_NAMESPACE
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template <class R_>
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class Direction_3 : public R_::Direction_3_base
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{
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public:
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typedef R_ R;
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typedef typename R::RT RT;
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typedef typename R::FT FT;
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typedef typename R::Direction_3_base RDirection_3;
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typedef typename R::Vector_3_base RVector_3;
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Direction_3()
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{}
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Direction_3(const CGAL::Direction_3<R>& d)
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: RDirection_3( static_cast<const RDirection_3&>(d) )
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{}
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Direction_3(const RDirection_3& d)
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: RDirection_3(d)
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{}
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Direction_3(const RVector_3& v)
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: RDirection_3(v)
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{}
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Direction_3(const RT& hx, const RT& hy, const RT& hz)
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: RDirection_3(hx, hy, hz)
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{}
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bool operator==(const CGAL::Direction_3<R> & d) const
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{ return RDirection_3::operator==(d); }
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bool operator!=(const CGAL::Direction_3<R> & d) const
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{ return !(*this == d); }
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CGAL::Vector_3<R> vector() const
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{ return static_cast<CGAL::Vector_3<R> >(RDirection_3::to_vector()); }
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CGAL::Vector_3<R> to_vector() const
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{ return static_cast<CGAL::Vector_3<R> >(RDirection_3::to_vector()); }
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CGAL::Direction_3<R> transform(const CGAL::Aff_transformation_3<R> & t) const
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{ return RDirection_3::transform(t); }
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CGAL::Direction_3<R> operator-() const
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{ return RDirection_3::operator-(); }
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RT delta(int i) const
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{ return RDirection_3::delta(i); }
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RT dx() const
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{ return RDirection_3::dx(); }
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RT dy() const
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{ return RDirection_3::dy(); }
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RT dz() const
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{ return RDirection_3::dz(); }
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};
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#ifndef CGAL_NO_OSTREAM_INSERT_DIRECTION_3
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template < class R >
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std::ostream& operator<<(std::ostream& os, const Direction_3<R>& d)
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{
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typedef typename R::Direction_3_base RDirection_3;
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return os << static_cast<const RDirection_3&>(d); }
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#endif // CGAL_NO_OSTREAM_INSERT_DIRECTION_3
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#ifndef CGAL_NO_ISTREAM_EXTRACT_DIRECTION_3
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template < class R >
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std::istream& operator>>(std::istream& is, Direction_3<R>& p)
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{
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typedef typename R::Direction_3_base RDirection_3;
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return is >> static_cast<RDirection_3&>(p); }
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#endif // CGAL_NO_ISTREAM_EXTRACT_DIRECTION_3
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CGAL_END_NAMESPACE
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#endif // CGAL_DIRECTION_3_H
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