1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef _LIBCPP___TYPE_TRAITS_IS_FLOATING_POINT_H
10 #define _LIBCPP___TYPE_TRAITS_IS_FLOATING_POINT_H
11 
12 #include <__config>
13 #include <__type_traits/integral_constant.h>
14 #include <__type_traits/remove_cv.h>
15 
16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17 #  pragma GCC system_header
18 #endif
19 
20 _LIBCPP_BEGIN_NAMESPACE_STD
21 
22 // clang-format off
23 template <class _Tp> struct __libcpp_is_floating_point              : public false_type {};
24 template <>          struct __libcpp_is_floating_point<float>       : public true_type {};
25 template <>          struct __libcpp_is_floating_point<double>      : public true_type {};
26 template <>          struct __libcpp_is_floating_point<long double> : public true_type {};
27 // clang-format on
28 
29 template <class _Tp>
30 struct _LIBCPP_TEMPLATE_VIS is_floating_point : public __libcpp_is_floating_point<__remove_cv_t<_Tp> > {};
31 
32 #if _LIBCPP_STD_VER >= 17
33 template <class _Tp>
34 inline constexpr bool is_floating_point_v = is_floating_point<_Tp>::value;
35 #endif
36 
37 _LIBCPP_END_NAMESPACE_STD
38 
39 #endif // _LIBCPP___TYPE_TRAITS_IS_FLOATING_POINT_H
40