1 /* 2 * Distributed under the Boost Software License, Version 1.0. 3 * (See accompanying file LICENSE_1_0.txt or copy at 4 * http://www.boost.org/LICENSE_1_0.txt) 5 * 6 * Copyright (c) 2017 Andrey Semashev 7 */ 8 /*! 9 * \file atomic/detail/type_traits/is_integral.hpp 10 * 11 * This header defines \c is_integral type trait 12 */ 13 14 #ifndef BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_INTEGRAL_HPP_INCLUDED_ 15 #define BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_INTEGRAL_HPP_INCLUDED_ 16 17 #include <boost/atomic/detail/config.hpp> 18 // Some versions of libstdc++ don't consider __int128 an integral type. Use Boost.TypeTraits because of that. 19 #if !defined(BOOST_ATOMIC_DETAIL_NO_CXX11_BASIC_HDR_TYPE_TRAITS) && !defined(BOOST_HAS_INT128) 20 #include <type_traits> 21 #else 22 #include <boost/type_traits/is_integral.hpp> 23 #endif 24 25 #ifdef BOOST_HAS_PRAGMA_ONCE 26 #pragma once 27 #endif 28 29 namespace boost { 30 namespace atomics { 31 namespace detail { 32 33 #if !defined(BOOST_ATOMIC_DETAIL_NO_CXX11_BASIC_HDR_TYPE_TRAITS) && !defined(BOOST_HAS_INT128) 34 using std::is_integral; 35 #else 36 using boost::is_integral; 37 #endif 38 39 } // namespace detail 40 } // namespace atomics 41 } // namespace boost 42 43 #endif // BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_INTEGRAL_HPP_INCLUDED_ 44