boost/atomic/detail/type_traits/is_floating_point.hpp

   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) 2018 Andrey Semashev
   7  */
   8 /*!
   9  * \file   atomic/detail/type_traits/is_floating_point.hpp
  10  *
  11  * This header defines \c is_floating_point type trait
  12  */
  13
  14 #ifndef BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_FLOATING_POINT_HPP_INCLUDED_
  15 #define BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_FLOATING_POINT_HPP_INCLUDED_
  16
  17 #include <boost/atomic/detail/config.hpp>
  18 // Some versions of libstdc++ don't consider __float128 a floating point type. Use Boost.TypeTraits because of that.
  19 #if !defined(BOOST_ATOMIC_DETAIL_NO_CXX11_BASIC_HDR_TYPE_TRAITS) && !defined(BOOST_HAS_FLOAT128)
  20 #include <type_traits>
  21 #else
  22 #include <boost/type_traits/is_floating_point.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_FLOAT128)
  34 using std::is_floating_point;
  35 #else
  36 using boost::is_floating_point;
  37 #endif
  38
  39 } // namespace detail
  40 } // namespace atomics
  41 } // namespace boost
  42
  43 #endif // BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_FLOATING_POINT_HPP_INCLUDED_