/usr/include/CGAL/enum.h is in libcgal-dev 4.11-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// 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) : Stefan Schirra
#ifndef CGAL_ENUM_H
#define CGAL_ENUM_H
#include <CGAL/config.h>
#include <CGAL/Kernel/Same_uncertainty.h>
#include <CGAL/Origin.h>
// If you add/change one type here, please update Is_a_predicate.h as well.
namespace CGAL {
enum Sign
{
NEGATIVE = -1, ZERO = 0, POSITIVE = 1,
// Orientation constants:
RIGHT_TURN = -1, LEFT_TURN = 1,
CLOCKWISE = -1, COUNTERCLOCKWISE = 1,
COLLINEAR = 0, COPLANAR = 0, DEGENERATE = 0,
// Oriented_side constants:
ON_NEGATIVE_SIDE = -1, ON_ORIENTED_BOUNDARY = 0, ON_POSITIVE_SIDE = 1,
// Comparison_result constants:
SMALLER = -1, EQUAL = 0, LARGER = 1
};
typedef Sign Orientation;
typedef Sign Oriented_side;
typedef Sign Comparison_result;
enum Bounded_side
{
ON_UNBOUNDED_SIDE = -1,
ON_BOUNDARY,
ON_BOUNDED_SIDE
};
enum Angle
{
OBTUSE = -1,
RIGHT,
ACUTE
};
template <class T>
inline
T
opposite(const T& t)
{ return -t; }
inline
Sign
operator-(Sign o)
{ return static_cast<Sign>( - static_cast<int>(o)); }
inline
Bounded_side
opposite(Bounded_side bs)
{ return static_cast<Bounded_side>( - static_cast<int>(bs)); }
inline
Angle
opposite(Angle a)
{ return static_cast<Angle>( - static_cast<int>(a)); }
inline Sign operator* (Sign s1, Sign s2)
{
return static_cast<Sign> (static_cast<int> (s1) * static_cast<int> (s2));
}
enum Box_parameter_space_2
{
LEFT_BOUNDARY = 0,
RIGHT_BOUNDARY,
BOTTOM_BOUNDARY,
TOP_BOUNDARY,
INTERIOR,
EXTERIOR
};
#ifdef CGAL_CFG_MATCHING_BUG_5
template < typename T, typename U >
inline
T enum_cast_bug(const U& u, const T*)
{ return static_cast<T>(u); }
template < typename T, typename U >
inline
typename Same_uncertainty<T,U>::type enum_cast(const U& u)
{ return enum_cast_bug(u, (const T*)0); }
#else
template < typename T, typename U >
inline
T enum_cast(const U& u)
{ return static_cast<T>(u); }
#endif
} //namespace CGAL
#endif // CGAL_ENUM_H
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