1*81ad6265SDimitry Andric // -*- C++ -*- 2*81ad6265SDimitry Andric //===----------------------------------------------------------------------===// 3*81ad6265SDimitry Andric // 4*81ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5*81ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 6*81ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7*81ad6265SDimitry Andric // 8*81ad6265SDimitry Andric //===----------------------------------------------------------------------===// 9*81ad6265SDimitry Andric 10*81ad6265SDimitry Andric #ifndef _LIBCPP___CHRONO_YEAR_H 11*81ad6265SDimitry Andric #define _LIBCPP___CHRONO_YEAR_H 12*81ad6265SDimitry Andric 13*81ad6265SDimitry Andric #include <__chrono/duration.h> 14*81ad6265SDimitry Andric #include <__config> 15*81ad6265SDimitry Andric 16*81ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17*81ad6265SDimitry Andric # pragma GCC system_header 18*81ad6265SDimitry Andric #endif 19*81ad6265SDimitry Andric 20*81ad6265SDimitry Andric _LIBCPP_PUSH_MACROS 21*81ad6265SDimitry Andric #include <__undef_macros> 22*81ad6265SDimitry Andric 23*81ad6265SDimitry Andric #if _LIBCPP_STD_VER > 17 24*81ad6265SDimitry Andric 25*81ad6265SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 26*81ad6265SDimitry Andric 27*81ad6265SDimitry Andric namespace chrono 28*81ad6265SDimitry Andric { 29*81ad6265SDimitry Andric 30*81ad6265SDimitry Andric class year { 31*81ad6265SDimitry Andric private: 32*81ad6265SDimitry Andric short __y; 33*81ad6265SDimitry Andric public: 34*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI year() = default; 35*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI explicit inline constexpr year(int __val) noexcept : __y(static_cast<short>(__val)) {} 36*81ad6265SDimitry Andric 37*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr year& operator++() noexcept { ++__y; return *this; } 38*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr year operator++(int) noexcept { year __tmp = *this; ++(*this); return __tmp; } 39*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr year& operator--() noexcept { --__y; return *this; } 40*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr year operator--(int) noexcept { year __tmp = *this; --(*this); return __tmp; } 41*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr year& operator+=(const years& __dy) noexcept; 42*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr year& operator-=(const years& __dy) noexcept; 43*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr year operator+() const noexcept { return *this; } 44*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr year operator-() const noexcept { return year{-__y}; } 45*81ad6265SDimitry Andric 46*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr bool is_leap() const noexcept { return __y % 4 == 0 && (__y % 100 != 0 || __y % 400 == 0); } 47*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI explicit inline constexpr operator int() const noexcept { return __y; } 48*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr bool ok() const noexcept; 49*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI static inline constexpr year min() noexcept { return year{-32767}; } 50*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI static inline constexpr year max() noexcept { return year{ 32767}; } 51*81ad6265SDimitry Andric }; 52*81ad6265SDimitry Andric 53*81ad6265SDimitry Andric 54*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 55*81ad6265SDimitry Andric bool operator==(const year& __lhs, const year& __rhs) noexcept 56*81ad6265SDimitry Andric { return static_cast<int>(__lhs) == static_cast<int>(__rhs); } 57*81ad6265SDimitry Andric 58*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 59*81ad6265SDimitry Andric bool operator!=(const year& __lhs, const year& __rhs) noexcept 60*81ad6265SDimitry Andric { return !(__lhs == __rhs); } 61*81ad6265SDimitry Andric 62*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 63*81ad6265SDimitry Andric bool operator< (const year& __lhs, const year& __rhs) noexcept 64*81ad6265SDimitry Andric { return static_cast<int>(__lhs) < static_cast<int>(__rhs); } 65*81ad6265SDimitry Andric 66*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 67*81ad6265SDimitry Andric bool operator> (const year& __lhs, const year& __rhs) noexcept 68*81ad6265SDimitry Andric { return __rhs < __lhs; } 69*81ad6265SDimitry Andric 70*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 71*81ad6265SDimitry Andric bool operator<=(const year& __lhs, const year& __rhs) noexcept 72*81ad6265SDimitry Andric { return !(__rhs < __lhs); } 73*81ad6265SDimitry Andric 74*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 75*81ad6265SDimitry Andric bool operator>=(const year& __lhs, const year& __rhs) noexcept 76*81ad6265SDimitry Andric { return !(__lhs < __rhs); } 77*81ad6265SDimitry Andric 78*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 79*81ad6265SDimitry Andric year operator+ (const year& __lhs, const years& __rhs) noexcept 80*81ad6265SDimitry Andric { return year(static_cast<int>(__lhs) + __rhs.count()); } 81*81ad6265SDimitry Andric 82*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 83*81ad6265SDimitry Andric year operator+ (const years& __lhs, const year& __rhs) noexcept 84*81ad6265SDimitry Andric { return __rhs + __lhs; } 85*81ad6265SDimitry Andric 86*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 87*81ad6265SDimitry Andric year operator- (const year& __lhs, const years& __rhs) noexcept 88*81ad6265SDimitry Andric { return __lhs + -__rhs; } 89*81ad6265SDimitry Andric 90*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 91*81ad6265SDimitry Andric years operator-(const year& __lhs, const year& __rhs) noexcept 92*81ad6265SDimitry Andric { return years{static_cast<int>(__lhs) - static_cast<int>(__rhs)}; } 93*81ad6265SDimitry Andric 94*81ad6265SDimitry Andric 95*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 96*81ad6265SDimitry Andric year& year::operator+=(const years& __dy) noexcept 97*81ad6265SDimitry Andric { *this = *this + __dy; return *this; } 98*81ad6265SDimitry Andric 99*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 100*81ad6265SDimitry Andric year& year::operator-=(const years& __dy) noexcept 101*81ad6265SDimitry Andric { *this = *this - __dy; return *this; } 102*81ad6265SDimitry Andric 103*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr 104*81ad6265SDimitry Andric bool year::ok() const noexcept 105*81ad6265SDimitry Andric { return static_cast<int>(min()) <= __y && __y <= static_cast<int>(max()); } 106*81ad6265SDimitry Andric } // namespace chrono 107*81ad6265SDimitry Andric 108*81ad6265SDimitry Andric _LIBCPP_END_NAMESPACE_STD 109*81ad6265SDimitry Andric 110*81ad6265SDimitry Andric #endif // _LIBCPP_STD_VER > 17 111*81ad6265SDimitry Andric 112*81ad6265SDimitry Andric _LIBCPP_POP_MACROS 113*81ad6265SDimitry Andric 114*81ad6265SDimitry Andric #endif // _LIBCPP___CHRONO_YEAR_H 115