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// Copyright (c) 1999 Utrecht University (The Netherlands),
// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
// 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; version 2.1 of the License.
// See the file LICENSE.LGPL distributed with CGAL.
//
// 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: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.2-branch/Kernel_23/include/CGAL/enum.h $
// $Id: enum.h 28567 2006-02-16 14:30:13Z lsaboret $
//
//
// Author(s) : Stefan Schirra
#ifndef CGAL_ENUM_H
#define CGAL_ENUM_H
#include <CGAL/basic.h>
// If you add/change one type here, please update Is_a_predicate.h as well.
CGAL_BEGIN_NAMESPACE
enum Sign
{
NEGATIVE = -1,
ZERO,
POSITIVE
};
typedef Sign Orientation;
const Orientation LEFT_TURN = POSITIVE;
const Orientation RIGHT_TURN = NEGATIVE;
const Orientation CLOCKWISE = NEGATIVE;
const Orientation COUNTERCLOCKWISE = POSITIVE;
const Orientation COLLINEAR = ZERO;
const Orientation COPLANAR = ZERO;
const Orientation DEGENERATE = ZERO;
enum Oriented_side
{
ON_NEGATIVE_SIDE = -1,
ON_ORIENTED_BOUNDARY,
ON_POSITIVE_SIDE
};
enum Bounded_side
{
ON_UNBOUNDED_SIDE = -1,
ON_BOUNDARY,
ON_BOUNDED_SIDE
};
enum Comparison_result
{
SMALLER = -1,
EQUAL,
LARGER
};
enum Angle
{
OBTUSE = -1,
RIGHT,
ACUTE
};
CGAL_END_NAMESPACE
#include <CGAL/functions_on_enums.h>
#endif // CGAL_ENUM_H
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