mirror of https://github.com/CGAL/cgal
40 lines
946 B
C++
40 lines
946 B
C++
// Copyright (c) 2011 INRIA Saclay Ile-de-France (France).
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// All rights reserved.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is part of CGAL (www.cgal.org)
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
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//
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//
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// Author(s) : Marc Glisse
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#ifndef CGAL_IS_CONVERTIBLE_H
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#define CGAL_IS_CONVERTIBLE_H
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#include <type_traits>
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#ifdef CGAL_USE_GMPXX
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#include <gmpxx.h>
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#endif
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namespace CGAL {
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template<class From,class To>struct is_implicit_convertible
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: std::is_convertible<From,To> {};
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#ifdef CGAL_USE_GMPXX
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// Work around a gmpxx misfeature
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template<class T>struct is_implicit_convertible<__gmp_expr<mpq_t,T>,mpz_class>
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: std::false_type {};
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#endif
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// TODO: add is_explicit_convertible (using boost::is_constructible?)
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}
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#endif // CGAL_IS_CONVERTIBLE_H
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