1// (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000-2005.
2// Use, modification and distribution are subject to the Boost Software License,
3// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
4// http://www.boost.org/LICENSE_1_0.txt).
5//
6// See http://www.boost.org/libs/type_traits for most recent version including documentation.
7
8#ifndef BOOST_TYPE_TRAITS_IS_FLOATING_HPP_INCLUDED
9#define BOOST_TYPE_TRAITS_IS_FLOATING_HPP_INCLUDED
10
11#include <boost/type_traits/integral_constant.hpp>
12
13#ifndef BOOST_NO_CXX23_HDR_STDFLOAT
14#include <stdfloat>
15#endif
16
17namespace boost {
18
19//* is a type T a floating-point type described in the standard (3.9.1p8)
20 template <class T> struct is_floating_point : public false_type{};
21 template <class T> struct is_floating_point<const T> : public is_floating_point<T>{};
22 template <class T> struct is_floating_point<volatile const T> : public is_floating_point<T>{};
23 template <class T> struct is_floating_point<volatile T> : public is_floating_point<T>{};
24 template<> struct is_floating_point<float> : public true_type{};
25 template<> struct is_floating_point<double> : public true_type{};
26 template<> struct is_floating_point<long double> : public true_type{};
27
28#if defined(BOOST_HAS_FLOAT128)
29 template<> struct is_floating_point<__float128> : public true_type{};
30#endif
31
32#ifndef BOOST_NO_CXX23_HDR_STDFLOAT
33#if defined(__STDCPP_FLOAT16_T__)
34 template<> struct is_floating_point<std::float16_t> : public true_type {};
35#endif
36#if defined(__STDCPP_FLOAT32_T__)
37 template<> struct is_floating_point<std::float32_t> : public true_type {};
38#endif
39#if defined(__STDCPP_FLOAT64_T__)
40 template<> struct is_floating_point<std::float64_t> : public true_type {};
41#endif
42#if defined(__STDCPP_FLOAT128_T__)
43 template<> struct is_floating_point<std::float128_t> : public true_type {};
44#endif
45#if defined(__STDCPP_BFLOAT16_T__)
46 template<> struct is_floating_point<std::bfloat16_t> : public true_type {};
47#endif
48#endif
49
50} // namespace boost
51
52#endif // BOOST_TYPE_TRAITS_IS_FLOAT_HPP_INCLUDED
53

source code of boost/libs/type_traits/include/boost/type_traits/is_floating_point.hpp