/usr/include/CGAL/Cartesian/Line_2.h is in libcgal-dev 4.7-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | // Copyright (c) 2000
// 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); 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; either version 3 of the License,
// or (at your option) any later version.
//
// 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, Herve Bronnimann
#ifndef CGAL_CARTESIAN_LINE_2_H
#define CGAL_CARTESIAN_LINE_2_H
#include <CGAL/array.h>
#include <CGAL/Handle_for.h>
#include <CGAL/predicates/kernel_ftC2.h>
namespace CGAL {
template < class R_ >
class LineC2
{
typedef typename R_::FT FT;
typedef typename R_::Point_2 Point_2;
typedef typename R_::Direction_2 Direction_2;
typedef typename R_::Vector_2 Vector_2;
typedef typename R_::Ray_2 Ray_2;
typedef typename R_::Segment_2 Segment_2;
typedef typename R_::Line_2 Line_2;
typedef cpp11::array<FT, 3> Rep;
typedef typename R_::template Handle<Rep>::type Base;
Base base;
public:
typedef R_ R;
LineC2() {}
LineC2(const FT &a, const FT &b, const FT &c)
: base(CGAL::make_array(a, b, c)) {}
typename R_::Boolean operator==(const LineC2 &l) const;
typename R_::Boolean operator!=(const LineC2 &l) const;
const FT & a() const
{
return get_pointee_or_identity(base)[0];
}
const FT & b() const
{
return get_pointee_or_identity(base)[1];
}
const FT & c() const
{
return get_pointee_or_identity(base)[2];
}
};
template < class R >
CGAL_KERNEL_INLINE
typename R::Boolean
LineC2<R>::operator==(const LineC2<R> &l) const
{
if (CGAL::identical(base, l.base))
return true;
return equal_lineC2(a(), b(), c(), l.a(), l.b(), l.c());
}
template < class R >
inline
typename R::Boolean
LineC2<R>::operator!=(const LineC2<R> &l) const
{
return ! (*this == l);
}
} //namespace CGAL
#endif // CGAL_CARTESIAN_LINE_2_H
|