68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
// Copyright (c) 2000 Max-Planck-Institute Saarbruecken (Germany).
|
|
// All rights reserved.
|
|
//
|
|
// This file is part of CGAL (www.cgal.org).
|
|
//
|
|
// $URL: https://github.com/CGAL/cgal/blob/v5.1/Partition_2/include/CGAL/polygon_function_objects.h $
|
|
// $Id: polygon_function_objects.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
|
|
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
|
|
//
|
|
//
|
|
// Author(s) : Susan Hert <hert@mpi-sb.mpg.de>
|
|
|
|
#ifndef CGAL_POLYGON_FUNCTION_OBJECTS_H
|
|
#define CGAL_POLYGON_FUNCTION_OBJECTS_H
|
|
|
|
#include <CGAL/license/Partition_2.h>
|
|
|
|
|
|
#include <CGAL/is_y_monotone_2.h>
|
|
|
|
namespace CGAL {
|
|
|
|
template <class Traits>
|
|
class Is_vacuously_valid
|
|
{
|
|
public:
|
|
|
|
Is_vacuously_valid(Traits ) {}
|
|
|
|
template <class ForwardIterator>
|
|
bool operator()(ForwardIterator, ForwardIterator)
|
|
{ return true; }
|
|
|
|
};
|
|
|
|
|
|
template <class Traits>
|
|
class Is_convex_2
|
|
{
|
|
public:
|
|
Is_convex_2(const Traits& t): traits(t) {}
|
|
|
|
template <class ForwardIterator>
|
|
bool operator()(ForwardIterator first, ForwardIterator last)
|
|
{ return is_convex_2(first, last, traits); }
|
|
|
|
private:
|
|
const Traits& traits;
|
|
};
|
|
|
|
template <class Traits>
|
|
class Is_y_monotone_2
|
|
{
|
|
public:
|
|
Is_y_monotone_2(const Traits& t): traits(t) {}
|
|
|
|
template <class ForwardIterator>
|
|
bool operator()(ForwardIterator first, ForwardIterator last)
|
|
{ return is_y_monotone_2(first, last, traits); }
|
|
|
|
private:
|
|
const Traits& traits;
|
|
};
|
|
|
|
}
|
|
|
|
#endif // CGAL_POLYGON_FUNCTION_OBJECTS_H
|