181ad6265SDimitry Andric // -*- C++ -*- 281ad6265SDimitry Andric //===----------------------------------------------------------------------===// 381ad6265SDimitry Andric // 481ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 581ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 681ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 781ad6265SDimitry Andric // 881ad6265SDimitry Andric //===----------------------------------------------------------------------===// 981ad6265SDimitry Andric 1081ad6265SDimitry Andric #ifndef _LIBCPP___CHRONO_YEAR_H 1181ad6265SDimitry Andric #define _LIBCPP___CHRONO_YEAR_H 1281ad6265SDimitry Andric 1381ad6265SDimitry Andric #include <__chrono/duration.h> 1481ad6265SDimitry Andric #include <__config> 15*753f127fSDimitry Andric #include <limits> 1681ad6265SDimitry Andric 1781ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 1881ad6265SDimitry Andric # pragma GCC system_header 1981ad6265SDimitry Andric #endif 2081ad6265SDimitry Andric 2181ad6265SDimitry Andric _LIBCPP_PUSH_MACROS 2281ad6265SDimitry Andric #include <__undef_macros> 2381ad6265SDimitry Andric 2481ad6265SDimitry Andric #if _LIBCPP_STD_VER > 17 2581ad6265SDimitry Andric 2681ad6265SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 2781ad6265SDimitry Andric 2881ad6265SDimitry Andric namespace chrono 2981ad6265SDimitry Andric { 3081ad6265SDimitry Andric 3181ad6265SDimitry Andric class year { 3281ad6265SDimitry Andric private: 3381ad6265SDimitry Andric short __y; 3481ad6265SDimitry Andric public: 3581ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI year() = default; 3681ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI explicit inline constexpr year(int __val) noexcept : __y(static_cast<short>(__val)) {} 3781ad6265SDimitry Andric 3881ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr year& operator++() noexcept { ++__y; return *this; } 3981ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr year operator++(int) noexcept { year __tmp = *this; ++(*this); return __tmp; } 4081ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr year& operator--() noexcept { --__y; return *this; } 4181ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr year operator--(int) noexcept { year __tmp = *this; --(*this); return __tmp; } 4281ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr year& operator+=(const years& __dy) noexcept; 4381ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr year& operator-=(const years& __dy) noexcept; 4481ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr year operator+() const noexcept { return *this; } 4581ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr year operator-() const noexcept { return year{-__y}; } 4681ad6265SDimitry Andric 4781ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr bool is_leap() const noexcept { return __y % 4 == 0 && (__y % 100 != 0 || __y % 400 == 0); } 4881ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI explicit inline constexpr operator int() const noexcept { return __y; } 4981ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr bool ok() const noexcept; 5081ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI static inline constexpr year min() noexcept { return year{-32767}; } 5181ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI static inline constexpr year max() noexcept { return year{ 32767}; } 5281ad6265SDimitry Andric }; 5381ad6265SDimitry Andric 5481ad6265SDimitry Andric 5581ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 5681ad6265SDimitry Andric bool operator==(const year& __lhs, const year& __rhs) noexcept 5781ad6265SDimitry Andric { return static_cast<int>(__lhs) == static_cast<int>(__rhs); } 5881ad6265SDimitry Andric 5981ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 6081ad6265SDimitry Andric bool operator!=(const year& __lhs, const year& __rhs) noexcept 6181ad6265SDimitry Andric { return !(__lhs == __rhs); } 6281ad6265SDimitry Andric 6381ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 6481ad6265SDimitry Andric bool operator< (const year& __lhs, const year& __rhs) noexcept 6581ad6265SDimitry Andric { return static_cast<int>(__lhs) < static_cast<int>(__rhs); } 6681ad6265SDimitry Andric 6781ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 6881ad6265SDimitry Andric bool operator> (const year& __lhs, const year& __rhs) noexcept 6981ad6265SDimitry Andric { return __rhs < __lhs; } 7081ad6265SDimitry Andric 7181ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 7281ad6265SDimitry Andric bool operator<=(const year& __lhs, const year& __rhs) noexcept 7381ad6265SDimitry Andric { return !(__rhs < __lhs); } 7481ad6265SDimitry Andric 7581ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 7681ad6265SDimitry Andric bool operator>=(const year& __lhs, const year& __rhs) noexcept 7781ad6265SDimitry Andric { return !(__lhs < __rhs); } 7881ad6265SDimitry Andric 7981ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 8081ad6265SDimitry Andric year operator+ (const year& __lhs, const years& __rhs) noexcept 8181ad6265SDimitry Andric { return year(static_cast<int>(__lhs) + __rhs.count()); } 8281ad6265SDimitry Andric 8381ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 8481ad6265SDimitry Andric year operator+ (const years& __lhs, const year& __rhs) noexcept 8581ad6265SDimitry Andric { return __rhs + __lhs; } 8681ad6265SDimitry Andric 8781ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 8881ad6265SDimitry Andric year operator- (const year& __lhs, const years& __rhs) noexcept 8981ad6265SDimitry Andric { return __lhs + -__rhs; } 9081ad6265SDimitry Andric 9181ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 9281ad6265SDimitry Andric years operator-(const year& __lhs, const year& __rhs) noexcept 9381ad6265SDimitry Andric { return years{static_cast<int>(__lhs) - static_cast<int>(__rhs)}; } 9481ad6265SDimitry Andric 9581ad6265SDimitry Andric 9681ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 9781ad6265SDimitry Andric year& year::operator+=(const years& __dy) noexcept 9881ad6265SDimitry Andric { *this = *this + __dy; return *this; } 9981ad6265SDimitry Andric 10081ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 10181ad6265SDimitry Andric year& year::operator-=(const years& __dy) noexcept 10281ad6265SDimitry Andric { *this = *this - __dy; return *this; } 10381ad6265SDimitry Andric 104*753f127fSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr bool year::ok() const noexcept { 105*753f127fSDimitry Andric static_assert(static_cast<int>(std::numeric_limits<decltype(__y)>::max()) == static_cast<int>(max())); 106*753f127fSDimitry Andric return static_cast<int>(min()) <= __y; 107*753f127fSDimitry Andric } 108*753f127fSDimitry Andric 10981ad6265SDimitry Andric } // namespace chrono 11081ad6265SDimitry Andric 11181ad6265SDimitry Andric _LIBCPP_END_NAMESPACE_STD 11281ad6265SDimitry Andric 11381ad6265SDimitry Andric #endif // _LIBCPP_STD_VER > 17 11481ad6265SDimitry Andric 11581ad6265SDimitry Andric _LIBCPP_POP_MACROS 11681ad6265SDimitry Andric 11781ad6265SDimitry Andric #endif // _LIBCPP___CHRONO_YEAR_H 118