dust3d/thirdparty/cgal/CGAL-5.1/include/CGAL/is_convertible.h

41 lines
1.2 KiB
C
Raw Normal View History

// Copyright (c) 2011 INRIA Saclay Ile-de-France (France).
// All rights reserved.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
2020-10-13 12:44:25 +00:00
// This file is part of CGAL (www.cgal.org)
//
2020-10-13 12:44:25 +00:00
// $URL: https://github.com/CGAL/cgal/blob/v5.1/STL_Extension/include/CGAL/is_convertible.h $
// $Id: is_convertible.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Marc Glisse
#ifndef CGAL_IS_CONVERTIBLE_H
#define CGAL_IS_CONVERTIBLE_H
#include <boost/type_traits/integral_constant.hpp>
#include <boost/type_traits/is_convertible.hpp>
#ifdef CGAL_USE_GMPXX
#include <gmpxx.h>
#endif
namespace CGAL {
template<class From,class To>struct is_implicit_convertible
: boost::is_convertible<From,To> {};
#ifdef CGAL_USE_GMPXX
// Work around a gmpxx misfeature
template<class T>struct is_implicit_convertible<__gmp_expr<mpq_t,T>,mpz_class>
: boost::false_type {};
#endif
// TODO: add is_explicit_convertible (using boost::is_constructible?)
}
#endif // CGAL_IS_CONVERTIBLE_H