/usr/include/CGAL/Arr_enums.h is in libcgal-dev 4.2-5ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// 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
// 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): Ron Wein <wein@post.tau.ac.il>
// Efi Fogel <efif@post.tau.ac.il>
#ifndef CGAL_ARR_ENUM_H
#define CGAL_ARR_ENUM_H
/*! \file
* Definition of the enumeration types for the arrangement package.
*/
#include <CGAL/basic.h>
#include <CGAL/enum.h>
namespace CGAL {
/*! \enum
* Selection of a curve end.
*/
enum Arr_curve_end
{
ARR_MIN_END,
ARR_MAX_END
};
//! \brief prints curve end (for debugging)
template< class OutputStream >
inline
OutputStream& operator<<(
OutputStream& os,
const Arr_curve_end& ce) {
switch(ce) {
case CGAL::ARR_MIN_END:
os << "ARR_MIN_END";
break;
case CGAL::ARR_MAX_END:
os << "ARR_MAX_END";
break;
default:
CGAL_error_msg("bogus curve end");
}
return os;
}
/*! \enum
* Indicator whether a halfedge is directed from left to right (from the
* xy-lexicographically smaller vertex to the larger one), or from right to
* left.
*/
enum Arr_halfedge_direction
{
ARR_LEFT_TO_RIGHT = -1,
ARR_RIGHT_TO_LEFT = 1
};
//! \brief prints halfedge direction (for debugging)
template< class OutputStream >
inline
OutputStream& operator<<(
OutputStream& os,
const Arr_halfedge_direction& dir) {
switch(dir) {
case CGAL::ARR_LEFT_TO_RIGHT:
os << "ARR_LEFT_TO_RIGHT";
break;
case CGAL::ARR_RIGHT_TO_LEFT:
os << "ARR_RIGHT_TO_LEFT";
break;
default:
CGAL_error_msg("bogus halfedge direction");
}
return os;
}
/*! \enum The various surface boundary types.
* For example:
* - The plain has unbounded boundaries.
* - The sphere has 2 contraction points and one identification curve.
*/
enum Arr_boundary_type {
ARR_OBLIVIOUS = 0,
ARR_OPEN,
ARR_CLOSED,
ARR_CONTRACTION,
ARR_IDENTIFICATION
};
//! \brief prints boundary type (for debugging)
template< class OutputStream >
inline
OutputStream& operator<<(
OutputStream& os,
const Arr_boundary_type& bt) {
switch(bt) {
case CGAL::ARR_OPEN:
os << "ARR_OPEN";
break;
case CGAL::ARR_CLOSED:
os << "ARR_CLOSED";
break;
case CGAL::ARR_CONTRACTION:
os << "ARR_CONTRACTION";
break;
case CGAL::ARR_IDENTIFICATION:
os << "ARR_IDENTIFICATION";
break;
case CGAL::ARR_OBLIVIOUS:
os << "ARR_OBLIVIOUS";
break;
default:
CGAL_error_msg("bogus boundary type");
}
return os;
}
/*! \enum The various surface parameter space options categorizing the
* surface range according to the parameter domain.
*/
enum Arr_parameter_space {
ARR_LEFT_BOUNDARY = 0,
ARR_RIGHT_BOUNDARY,
ARR_BOTTOM_BOUNDARY,
ARR_TOP_BOUNDARY,
ARR_INTERIOR
};
//! \brief prints parameter space (for debugging)
template< class OutputStream >
inline
OutputStream& operator<<(
OutputStream& os,
const Arr_parameter_space& ps) {
switch (::CGAL::get_mode(os)) {
case ::CGAL::IO::PRETTY:
switch(ps) {
case CGAL::ARR_LEFT_BOUNDARY:
os << "ARR_LEFT_BOUNDARY";
break;
case CGAL::ARR_RIGHT_BOUNDARY:
os << "ARR_RIGHT_BOUNDARY";
break;
case CGAL::ARR_BOTTOM_BOUNDARY:
os << "ARR_BOTTOM_BOUNDARY";
break;
case CGAL::ARR_TOP_BOUNDARY:
os << "ARR_TOP_BOUNDARY";
break;
case CGAL::ARR_INTERIOR:
os << "ARR_INTERIOR";
break;
default:
CGAL_error_msg("bogus parameter space");
}
break;
case ::CGAL::IO::BINARY:
std::cerr << "BINARY format not yet implemented" << std::endl;
break;
default:
os << static_cast< int >(ps);
}
return os;
}
//! \brief reads parameter space
template< class InputStream >
inline
InputStream& operator>>(
InputStream& is,
Arr_parameter_space& ps) {
CGAL_precondition(CGAL::is_ascii(is));
int i;
is >> i;
ps = static_cast< Arr_parameter_space >(i);
return is;
}
} //namespace CGAL
#endif
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