| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___CONCEPTS_ARITHMETIC_H |
| #define _LIBCPP___CONCEPTS_ARITHMETIC_H |
| |
| #include <__config> |
| #include <__type_traits/is_floating_point.h> |
| #include <__type_traits/is_integral.h> |
| #include <__type_traits/is_signed.h> |
| #include <__type_traits/is_signed_integer.h> |
| #include <__type_traits/is_unsigned_integer.h> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| #if _LIBCPP_STD_VER >= 20 |
| |
| // [concepts.arithmetic], arithmetic concepts |
| |
| template <class _Tp> |
| concept integral = is_integral_v<_Tp>; |
| |
| template <class _Tp> |
| concept signed_integral = integral<_Tp> && is_signed_v<_Tp>; |
| |
| template <class _Tp> |
| concept unsigned_integral = integral<_Tp> && !signed_integral<_Tp>; |
| |
| template <class _Tp> |
| concept floating_point = is_floating_point_v<_Tp>; |
| |
| // Concept helpers for the internal type traits for the fundamental types. |
| |
| template <class _Tp> |
| concept __libcpp_unsigned_integer = __libcpp_is_unsigned_integer<_Tp>::value; |
| template <class _Tp> |
| concept __libcpp_signed_integer = __libcpp_is_signed_integer<_Tp>::value; |
| |
| #endif // _LIBCPP_STD_VER >= 20 |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___CONCEPTS_ARITHMETIC_H |
