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___CONCEPTS_ARITHMETIC_H 10 #define _LIBCPP___CONCEPTS_ARITHMETIC_H 11 12 #include <__config> 13 #include <type_traits> 14 15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16 #pragma GCC system_header 17 #endif 18 19 _LIBCPP_BEGIN_NAMESPACE_STD 20 21 #if !defined(_LIBCPP_HAS_NO_CONCEPTS) 22 23 // [concepts.arithmetic], arithmetic concepts 24 25 template<class _Tp> 26 concept integral = is_integral_v<_Tp>; 27 28 template<class _Tp> 29 concept signed_integral = integral<_Tp> && is_signed_v<_Tp>; 30 31 template<class _Tp> 32 concept unsigned_integral = integral<_Tp> && !signed_integral<_Tp>; 33 34 template<class _Tp> 35 concept floating_point = is_floating_point_v<_Tp>; 36 37 // Concept helpers for the internal type traits for the fundamental types. 38 39 template <class _Tp> 40 concept __libcpp_unsigned_integer = __libcpp_is_unsigned_integer<_Tp>::value; 41 template <class _Tp> 42 concept __libcpp_signed_integer = __libcpp_is_signed_integer<_Tp>::value; 43 44 #endif // !defined(_LIBCPP_HAS_NO_CONCEPTS) 45 46 _LIBCPP_END_NAMESPACE_STD 47 48 #endif // _LIBCPP___CONCEPTS_ARITHMETIC_H 49