/*
|
* Distributed under the Boost Software License, Version 1.0.
|
* (See accompanying file LICENSE_1_0.txt or copy at
|
* http://www.boost.org/LICENSE_1_0.txt)
|
*
|
* Copyright (c) 2017 Andrey Semashev
|
*/
|
/*!
|
* \file atomic/detail/type_traits/is_signed.hpp
|
*
|
* This header defines \c is_signed type trait
|
*/
|
|
#ifndef BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_SIGNED_HPP_INCLUDED_
|
#define BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_SIGNED_HPP_INCLUDED_
|
|
#include <boost/atomic/detail/config.hpp>
|
// Some versions of libstdc++ don't consider __int128 an integral type. Use Boost.TypeTraits because of that.
|
#if !defined(BOOST_ATOMIC_DETAIL_NO_CXX11_BASIC_HDR_TYPE_TRAITS) && !defined(BOOST_HAS_INT128)
|
#include <type_traits>
|
#else
|
#include <boost/type_traits/is_signed.hpp>
|
#endif
|
|
#ifdef BOOST_HAS_PRAGMA_ONCE
|
#pragma once
|
#endif
|
|
namespace boost {
|
namespace atomics {
|
namespace detail {
|
|
#if !defined(BOOST_ATOMIC_DETAIL_NO_CXX11_BASIC_HDR_TYPE_TRAITS) && !defined(BOOST_HAS_INT128)
|
using std::is_signed;
|
#else
|
using boost::is_signed;
|
#endif
|
|
} // namespace detail
|
} // namespace atomics
|
} // namespace boost
|
|
#endif // BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_SIGNED_HPP_INCLUDED_
|
