56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
|
// Copyright (c) 1997 INRIA Sophia-Antipolis (France).
|
||
|
|
// All rights reserved.
|
||
|
|
//
|
||
|
|
// This file is part of CGAL (www.cgal.org).
|
||
|
|
//
|
||
|
|
// $URL: https://github.com/CGAL/cgal/blob/v5.1/TDS_2/include/CGAL/Triangulation_utils_2.h $
|
||
|
|
// $Id: Triangulation_utils_2.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
|
||
|
|
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Author(s) : Mariette Yvinec <Mariette.Yvinec@sophia.inria.fr>
|
||
|
|
// Sylvain Pion
|
||
|
|
// Andreas Fabri <Andreas.Fabri@geometryfactory.com>
|
||
|
|
|
||
|
|
#ifndef CGAL_TRIANGULATION_UTILS_2_H
|
||
|
|
#define CGAL_TRIANGULATION_UTILS_2_H
|
||
|
|
|
||
|
|
#include <CGAL/license/TDS_2.h>
|
||
|
|
|
||
|
|
|
||
|
|
#include <CGAL/triangulation_assertions.h>
|
||
|
|
|
||
|
|
namespace CGAL {
|
||
|
|
template < class T = void >
|
||
|
|
struct Triangulation_cw_ccw_static_2 {
|
||
|
|
|
||
|
|
static const int ccw_map[3];
|
||
|
|
static const int cw_map[3];
|
||
|
|
};
|
||
|
|
template < class T >
|
||
|
|
const int Triangulation_cw_ccw_static_2<T>::ccw_map[3] = {1, 2, 0};
|
||
|
|
|
||
|
|
template < class T >
|
||
|
|
const int Triangulation_cw_ccw_static_2<T>::cw_map[3] = {2, 0, 1};
|
||
|
|
|
||
|
|
class Triangulation_cw_ccw_2
|
||
|
|
: public Triangulation_cw_ccw_static_2<>
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
static int ccw(const int i)
|
||
|
|
{
|
||
|
|
CGAL_triangulation_precondition( i >= 0 && i < 3);
|
||
|
|
return ccw_map[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
static int cw(const int i)
|
||
|
|
{
|
||
|
|
CGAL_triangulation_precondition( i >= 0 && i < 3);
|
||
|
|
return cw_map[i];
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
} //namespace CGAL
|
||
|
|
|
||
|
|
#endif //CGAL_TRIANGULATION_UTILS_2_H
|