72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
///////////////////////////////////////////////////////////////
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// Copyright 2012 John Maddock. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
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#ifndef BOOST_MP_STD_INTEGER_TRAITS_HPP
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#define BOOST_MP_STD_INTEGER_TRAITS_HPP
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#include <type_traits>
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namespace boost {
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namespace multiprecision {
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namespace detail {
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template <class T>
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struct is_signed : public std::is_signed<T> {};
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template <class T>
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struct is_unsigned : public std::is_unsigned<T> {};
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template <class T>
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struct is_integral : public std::is_integral<T> {};
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template <class T>
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struct is_arithmetic : public std::is_arithmetic<T> {};
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template <class T>
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struct make_unsigned : public std::make_unsigned<T> {};
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template <class T>
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struct make_signed : public std::make_signed<T> {};
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#ifdef BOOST_HAS_INT128
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template <>
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struct is_signed<__int128> : public std::integral_constant<bool, true> {};
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template <>
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struct is_signed<unsigned __int128> : public std::integral_constant<bool, false> {};
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template <>
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struct is_unsigned<__int128> : public std::integral_constant<bool, false> {};
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template <>
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struct is_unsigned<unsigned __int128> : public std::integral_constant<bool, true> {};
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template <>
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struct is_integral<__int128> : public std::integral_constant<bool, true> {};
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template <>
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struct is_integral<unsigned __int128> : public std::integral_constant<bool, true> {};
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template <>
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struct is_arithmetic<__int128> : public std::integral_constant<bool, true> {};
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template <>
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struct is_arithmetic<unsigned __int128> : public std::integral_constant<bool, true> {};
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template <>
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struct make_unsigned<__int128>
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{
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using type = unsigned __int128;
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};
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template <>
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struct make_unsigned<unsigned __int128>
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{
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using type = unsigned __int128;
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};
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template <>
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struct make_signed<__int128>
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{
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using type = __int128;
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};
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template <>
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struct make_signed<unsigned __int128>
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{
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using type = __int128;
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};
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#endif
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}}} // namespace boost::multiprecision::detail
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#endif
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