| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // 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_CHRONO |
| #define _LIBCPP_CHRONO |
| |
| /* |
| chrono synopsis |
| |
| namespace std |
| { |
| namespace chrono |
| { |
| |
| template <class ToDuration, class Rep, class Period> |
| constexpr |
| ToDuration |
| duration_cast(const duration<Rep, Period>& fd); |
| |
| template <class Rep> struct treat_as_floating_point : is_floating_point<Rep> {}; |
| |
| template <class Rep> inline constexpr bool treat_as_floating_point_v |
| = treat_as_floating_point<Rep>::value; // C++17 |
| |
| template <class Rep> |
| struct duration_values |
| { |
| public: |
| static constexpr Rep zero(); // noexcept in C++20 |
| static constexpr Rep max(); // noexcept in C++20 |
| static constexpr Rep min(); // noexcept in C++20 |
| }; |
| |
| // duration |
| |
| template <class Rep, class Period = ratio<1>> |
| class duration |
| { |
| static_assert(!__is_duration<Rep>::value, "A duration representation can not be a duration"); |
| static_assert(__is_ratio<Period>::value, "Second template parameter of duration must be a std::ratio"); |
| static_assert(Period::num > 0, "duration period must be positive"); |
| public: |
| typedef Rep rep; |
| typedef typename _Period::type period; |
| |
| constexpr duration() = default; |
| template <class Rep2> |
| constexpr explicit duration(const Rep2& r, |
| typename enable_if |
| < |
| is_convertible<Rep2, rep>::value && |
| (treat_as_floating_point<rep>::value || |
| !treat_as_floating_point<rep>::value && !treat_as_floating_point<Rep2>::value) |
| >::type* = 0); |
| |
| // conversions |
| template <class Rep2, class Period2> |
| constexpr duration(const duration<Rep2, Period2>& d, |
| typename enable_if |
| < |
| treat_as_floating_point<rep>::value || |
| ratio_divide<Period2, period>::type::den == 1 |
| >::type* = 0); |
| |
| // observer |
| |
| constexpr rep count() const; |
| |
| // arithmetic |
| |
| constexpr common_type<duration>::type operator+() const; |
| constexpr common_type<duration>::type operator-() const; |
| constexpr duration& operator++(); // constexpr in C++17 |
| constexpr duration operator++(int); // constexpr in C++17 |
| constexpr duration& operator--(); // constexpr in C++17 |
| constexpr duration operator--(int); // constexpr in C++17 |
| |
| constexpr duration& operator+=(const duration& d); // constexpr in C++17 |
| constexpr duration& operator-=(const duration& d); // constexpr in C++17 |
| |
| duration& operator*=(const rep& rhs); // constexpr in C++17 |
| duration& operator/=(const rep& rhs); // constexpr in C++17 |
| duration& operator%=(const rep& rhs); // constexpr in C++17 |
| duration& operator%=(const duration& rhs); // constexpr in C++17 |
| |
| // special values |
| |
| static constexpr duration zero(); // noexcept in C++20 |
| static constexpr duration min(); // noexcept in C++20 |
| static constexpr duration max(); // noexcept in C++20 |
| }; |
| |
| typedef duration<long long, nano> nanoseconds; |
| typedef duration<long long, micro> microseconds; |
| typedef duration<long long, milli> milliseconds; |
| typedef duration<long long > seconds; |
| typedef duration< long, ratio< 60> > minutes; |
| typedef duration< long, ratio<3600> > hours; |
| |
| template <class Clock, class Duration = typename Clock::duration> |
| class time_point |
| { |
| public: |
| typedef Clock clock; |
| typedef Duration duration; |
| typedef typename duration::rep rep; |
| typedef typename duration::period period; |
| private: |
| duration d_; // exposition only |
| |
| public: |
| time_point(); // has value "epoch" // constexpr in C++14 |
| explicit time_point(const duration& d); // same as time_point() + d // constexpr in C++14 |
| |
| // conversions |
| template <class Duration2> |
| time_point(const time_point<clock, Duration2>& t); // constexpr in C++14 |
| |
| // observer |
| |
| duration time_since_epoch() const; // constexpr in C++14 |
| |
| // arithmetic |
| |
| time_point& operator+=(const duration& d); // constexpr in C++17 |
| time_point& operator-=(const duration& d); // constexpr in C++17 |
| |
| // special values |
| |
| static constexpr time_point min(); // noexcept in C++20 |
| static constexpr time_point max(); // noexcept in C++20 |
| }; |
| |
| } // chrono |
| |
| // common_type traits |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| struct common_type<chrono::duration<Rep1, Period1>, chrono::duration<Rep2, Period2>>; |
| |
| template <class Clock, class Duration1, class Duration2> |
| struct common_type<chrono::time_point<Clock, Duration1>, chrono::time_point<Clock, Duration2>>; |
| |
| namespace chrono { |
| |
| // duration arithmetic |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type |
| operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type |
| operator-(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period, class Rep2> |
| constexpr |
| duration<typename common_type<Rep1, Rep2>::type, Period> |
| operator*(const duration<Rep1, Period>& d, const Rep2& s); |
| template <class Rep1, class Period, class Rep2> |
| constexpr |
| duration<typename common_type<Rep1, Rep2>::type, Period> |
| operator*(const Rep1& s, const duration<Rep2, Period>& d); |
| template <class Rep1, class Period, class Rep2> |
| constexpr |
| duration<typename common_type<Rep1, Rep2>::type, Period> |
| operator/(const duration<Rep1, Period>& d, const Rep2& s); |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| typename common_type<Rep1, Rep2>::type |
| operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| |
| // duration comparisons |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| bool operator==(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| bool operator!=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| bool operator< (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| bool operator<=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| bool operator> (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period1, class Rep2, class Period2> |
| constexpr |
| bool operator>=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| |
| // duration_cast |
| template <class ToDuration, class Rep, class Period> |
| ToDuration duration_cast(const duration<Rep, Period>& d); |
| |
| template <class ToDuration, class Rep, class Period> |
| constexpr ToDuration floor(const duration<Rep, Period>& d); // C++17 |
| template <class ToDuration, class Rep, class Period> |
| constexpr ToDuration ceil(const duration<Rep, Period>& d); // C++17 |
| template <class ToDuration, class Rep, class Period> |
| constexpr ToDuration round(const duration<Rep, Period>& d); // C++17 |
| |
| // duration I/O is elsewhere |
| |
| // time_point arithmetic (all constexpr in C++14) |
| template <class Clock, class Duration1, class Rep2, class Period2> |
| time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type> |
| operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Rep1, class Period1, class Clock, class Duration2> |
| time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type> |
| operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs); |
| template <class Clock, class Duration1, class Rep2, class Period2> |
| time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type> |
| operator-(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs); |
| template <class Clock, class Duration1, class Duration2> |
| typename common_type<Duration1, Duration2>::type |
| operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| |
| // time_point comparisons (all constexpr in C++14) |
| template <class Clock, class Duration1, class Duration2> |
| bool operator==(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| template <class Clock, class Duration1, class Duration2> |
| bool operator!=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| template <class Clock, class Duration1, class Duration2> |
| bool operator< (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| template <class Clock, class Duration1, class Duration2> |
| bool operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| template <class Clock, class Duration1, class Duration2> |
| bool operator> (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| template <class Clock, class Duration1, class Duration2> |
| bool operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| |
| // time_point_cast (constexpr in C++14) |
| |
| template <class ToDuration, class Clock, class Duration> |
| time_point<Clock, ToDuration> time_point_cast(const time_point<Clock, Duration>& t); |
| |
| template <class ToDuration, class Clock, class Duration> |
| constexpr time_point<Clock, ToDuration> |
| floor(const time_point<Clock, Duration>& tp); // C++17 |
| |
| template <class ToDuration, class Clock, class Duration> |
| constexpr time_point<Clock, ToDuration> |
| ceil(const time_point<Clock, Duration>& tp); // C++17 |
| |
| template <class ToDuration, class Clock, class Duration> |
| constexpr time_point<Clock, ToDuration> |
| round(const time_point<Clock, Duration>& tp); // C++17 |
| |
| template <class Rep, class Period> |
| constexpr duration<Rep, Period> abs(duration<Rep, Period> d); // C++17 |
| |
| // Clocks |
| |
| class system_clock |
| { |
| public: |
| typedef microseconds duration; |
| typedef duration::rep rep; |
| typedef duration::period period; |
| typedef chrono::time_point<system_clock> time_point; |
| static const bool is_steady = false; // constexpr in C++14 |
| |
| static time_point now() noexcept; |
| static time_t to_time_t (const time_point& __t) noexcept; |
| static time_point from_time_t(time_t __t) noexcept; |
| }; |
| |
| template <class Duration> |
| using sys_time = time_point<system_clock, Duration>; // C++20 |
| using sys_seconds = sys_time<seconds>; // C++20 |
| using sys_days = sys_time<days>; // C++20 |
| |
| class file_clock // C++20 |
| { |
| public: |
| typedef see-below rep; |
| typedef nano period; |
| typedef chrono::duration<rep, period> duration; |
| typedef chrono::time_point<file_clock> time_point; |
| static constexpr bool is_steady = false; |
| |
| static time_point now() noexcept; |
| |
| template<class Duration> |
| static sys_time<see-below> to_sys(const file_time<Duration>&); |
| |
| template<class Duration> |
| static file_time<see-below> from_sys(const sys_time<Duration>&); |
| }; |
| |
| template<class Duration> |
| using file_time = time_point<file_clock, Duration>; // C++20 |
| |
| class steady_clock |
| { |
| public: |
| typedef nanoseconds duration; |
| typedef duration::rep rep; |
| typedef duration::period period; |
| typedef chrono::time_point<steady_clock, duration> time_point; |
| static const bool is_steady = true; // constexpr in C++14 |
| |
| static time_point now() noexcept; |
| }; |
| |
| typedef steady_clock high_resolution_clock; |
| |
| // 25.7.8, local time // C++20 |
| struct local_t {}; |
| template<class Duration> |
| using local_time = time_point<local_t, Duration>; |
| using local_seconds = local_time<seconds>; |
| using local_days = local_time<days>; |
| |
| // 25.8.2, class last_spec // C++20 |
| struct last_spec; |
| |
| // 25.8.3, class day // C++20 |
| |
| class day; |
| constexpr bool operator==(const day& x, const day& y) noexcept; |
| constexpr bool operator!=(const day& x, const day& y) noexcept; |
| constexpr bool operator< (const day& x, const day& y) noexcept; |
| constexpr bool operator> (const day& x, const day& y) noexcept; |
| constexpr bool operator<=(const day& x, const day& y) noexcept; |
| constexpr bool operator>=(const day& x, const day& y) noexcept; |
| constexpr day operator+(const day& x, const days& y) noexcept; |
| constexpr day operator+(const days& x, const day& y) noexcept; |
| constexpr day operator-(const day& x, const days& y) noexcept; |
| constexpr days operator-(const day& x, const day& y) noexcept; |
| |
| // 25.8.4, class month // C++20 |
| class month; |
| constexpr bool operator==(const month& x, const month& y) noexcept; |
| constexpr bool operator!=(const month& x, const month& y) noexcept; |
| constexpr bool operator< (const month& x, const month& y) noexcept; |
| constexpr bool operator> (const month& x, const month& y) noexcept; |
| constexpr bool operator<=(const month& x, const month& y) noexcept; |
| constexpr bool operator>=(const month& x, const month& y) noexcept; |
| constexpr month operator+(const month& x, const months& y) noexcept; |
| constexpr month operator+(const months& x, const month& y) noexcept; |
| constexpr month operator-(const month& x, const months& y) noexcept; |
| constexpr months operator-(const month& x, const month& y) noexcept; |
| |
| // 25.8.5, class year // C++20 |
| class year; |
| constexpr bool operator==(const year& x, const year& y) noexcept; |
| constexpr bool operator!=(const year& x, const year& y) noexcept; |
| constexpr bool operator< (const year& x, const year& y) noexcept; |
| constexpr bool operator> (const year& x, const year& y) noexcept; |
| constexpr bool operator<=(const year& x, const year& y) noexcept; |
| constexpr bool operator>=(const year& x, const year& y) noexcept; |
| constexpr year operator+(const year& x, const years& y) noexcept; |
| constexpr year operator+(const years& x, const year& y) noexcept; |
| constexpr year operator-(const year& x, const years& y) noexcept; |
| constexpr years operator-(const year& x, const year& y) noexcept; |
| |
| // 25.8.6, class weekday // C++20 |
| class weekday; |
| |
| constexpr bool operator==(const weekday& x, const weekday& y) noexcept; |
| constexpr bool operator!=(const weekday& x, const weekday& y) noexcept; |
| constexpr weekday operator+(const weekday& x, const days& y) noexcept; |
| constexpr weekday operator+(const days& x, const weekday& y) noexcept; |
| constexpr weekday operator-(const weekday& x, const days& y) noexcept; |
| constexpr days operator-(const weekday& x, const weekday& y) noexcept; |
| |
| // 25.8.7, class weekday_indexed // C++20 |
| |
| class weekday_indexed; |
| constexpr bool operator==(const weekday_indexed& x, const weekday_indexed& y) noexcept; |
| constexpr bool operator!=(const weekday_indexed& x, const weekday_indexed& y) noexcept; |
| |
| // 25.8.8, class weekday_last // C++20 |
| class weekday_last; |
| |
| constexpr bool operator==(const weekday_last& x, const weekday_last& y) noexcept; |
| constexpr bool operator!=(const weekday_last& x, const weekday_last& y) noexcept; |
| |
| // 25.8.9, class month_day // C++20 |
| class month_day; |
| |
| constexpr bool operator==(const month_day& x, const month_day& y) noexcept; |
| constexpr bool operator!=(const month_day& x, const month_day& y) noexcept; |
| constexpr bool operator< (const month_day& x, const month_day& y) noexcept; |
| constexpr bool operator> (const month_day& x, const month_day& y) noexcept; |
| constexpr bool operator<=(const month_day& x, const month_day& y) noexcept; |
| constexpr bool operator>=(const month_day& x, const month_day& y) noexcept; |
| |
| |
| // 25.8.10, class month_day_last // C++20 |
| class month_day_last; |
| |
| constexpr bool operator==(const month_day_last& x, const month_day_last& y) noexcept; |
| constexpr bool operator!=(const month_day_last& x, const month_day_last& y) noexcept; |
| constexpr bool operator< (const month_day_last& x, const month_day_last& y) noexcept; |
| constexpr bool operator> (const month_day_last& x, const month_day_last& y) noexcept; |
| constexpr bool operator<=(const month_day_last& x, const month_day_last& y) noexcept; |
| constexpr bool operator>=(const month_day_last& x, const month_day_last& y) noexcept; |
| |
| // 25.8.11, class month_weekday // C++20 |
| class month_weekday; |
| |
| constexpr bool operator==(const month_weekday& x, const month_weekday& y) noexcept; |
| constexpr bool operator!=(const month_weekday& x, const month_weekday& y) noexcept; |
| |
| // 25.8.12, class month_weekday_last // C++20 |
| class month_weekday_last; |
| |
| constexpr bool operator==(const month_weekday_last& x, const month_weekday_last& y) noexcept; |
| constexpr bool operator!=(const month_weekday_last& x, const month_weekday_last& y) noexcept; |
| |
| |
| // 25.8.13, class year_month // C++20 |
| class year_month; |
| |
| constexpr bool operator==(const year_month& x, const year_month& y) noexcept; |
| constexpr bool operator!=(const year_month& x, const year_month& y) noexcept; |
| constexpr bool operator< (const year_month& x, const year_month& y) noexcept; |
| constexpr bool operator> (const year_month& x, const year_month& y) noexcept; |
| constexpr bool operator<=(const year_month& x, const year_month& y) noexcept; |
| constexpr bool operator>=(const year_month& x, const year_month& y) noexcept; |
| |
| constexpr year_month operator+(const year_month& ym, const months& dm) noexcept; |
| constexpr year_month operator+(const months& dm, const year_month& ym) noexcept; |
| constexpr year_month operator-(const year_month& ym, const months& dm) noexcept; |
| constexpr months operator-(const year_month& x, const year_month& y) noexcept; |
| constexpr year_month operator+(const year_month& ym, const years& dy) noexcept; |
| constexpr year_month operator+(const years& dy, const year_month& ym) noexcept; |
| constexpr year_month operator-(const year_month& ym, const years& dy) noexcept; |
| |
| // 25.8.14, class year_month_day class // C++20 |
| year_month_day; |
| |
| constexpr bool operator==(const year_month_day& x, const year_month_day& y) noexcept; |
| constexpr bool operator!=(const year_month_day& x, const year_month_day& y) noexcept; |
| constexpr bool operator< (const year_month_day& x, const year_month_day& y) noexcept; |
| constexpr bool operator> (const year_month_day& x, const year_month_day& y) noexcept; |
| constexpr bool operator<=(const year_month_day& x, const year_month_day& y) noexcept; |
| constexpr bool operator>=(const year_month_day& x, const year_month_day& y) noexcept; |
| |
| constexpr year_month_day operator+(const year_month_day& ymd, const months& dm) noexcept; |
| constexpr year_month_day operator+(const months& dm, const year_month_day& ymd) noexcept; |
| constexpr year_month_day operator+(const year_month_day& ymd, const years& dy) noexcept; |
| constexpr year_month_day operator+(const years& dy, const year_month_day& ymd) noexcept; |
| constexpr year_month_day operator-(const year_month_day& ymd, const months& dm) noexcept; |
| constexpr year_month_day operator-(const year_month_day& ymd, const years& dy) noexcept; |
| |
| |
| // 25.8.15, class year_month_day_last // C++20 |
| class year_month_day_last; |
| |
| constexpr bool operator==(const year_month_day_last& x, |
| const year_month_day_last& y) noexcept; |
| constexpr bool operator!=(const year_month_day_last& x, |
| const year_month_day_last& y) noexcept; |
| constexpr bool operator< (const year_month_day_last& x, |
| const year_month_day_last& y) noexcept; |
| constexpr bool operator> (const year_month_day_last& x, |
| const year_month_day_last& y) noexcept; |
| constexpr bool operator<=(const year_month_day_last& x, |
| const year_month_day_last& y) noexcept; |
| constexpr bool operator>=(const year_month_day_last& x, |
| const year_month_day_last& y) noexcept; |
| |
| constexpr year_month_day_last |
| operator+(const year_month_day_last& ymdl, const months& dm) noexcept; |
| constexpr year_month_day_last |
| operator+(const months& dm, const year_month_day_last& ymdl) noexcept; |
| constexpr year_month_day_last |
| operator+(const year_month_day_last& ymdl, const years& dy) noexcept; |
| constexpr year_month_day_last |
| operator+(const years& dy, const year_month_day_last& ymdl) noexcept; |
| constexpr year_month_day_last |
| operator-(const year_month_day_last& ymdl, const months& dm) noexcept; |
| constexpr year_month_day_last |
| operator-(const year_month_day_last& ymdl, const years& dy) noexcept; |
| |
| // 25.8.16, class year_month_weekday // C++20 |
| class year_month_weekday; |
| |
| constexpr bool operator==(const year_month_weekday& x, |
| const year_month_weekday& y) noexcept; |
| constexpr bool operator!=(const year_month_weekday& x, |
| const year_month_weekday& y) noexcept; |
| |
| constexpr year_month_weekday |
| operator+(const year_month_weekday& ymwd, const months& dm) noexcept; |
| constexpr year_month_weekday |
| operator+(const months& dm, const year_month_weekday& ymwd) noexcept; |
| constexpr year_month_weekday |
| operator+(const year_month_weekday& ymwd, const years& dy) noexcept; |
| constexpr year_month_weekday |
| operator+(const years& dy, const year_month_weekday& ymwd) noexcept; |
| constexpr year_month_weekday |
| operator-(const year_month_weekday& ymwd, const months& dm) noexcept; |
| constexpr year_month_weekday |
| operator-(const year_month_weekday& ymwd, const years& dy) noexcept; |
| |
| // 25.8.17, class year_month_weekday_last // C++20 |
| class year_month_weekday_last; |
| |
| constexpr bool operator==(const year_month_weekday_last& x, |
| const year_month_weekday_last& y) noexcept; |
| constexpr bool operator!=(const year_month_weekday_last& x, |
| const year_month_weekday_last& y) noexcept; |
| constexpr year_month_weekday_last |
| operator+(const year_month_weekday_last& ymwdl, const months& dm) noexcept; |
| constexpr year_month_weekday_last |
| operator+(const months& dm, const year_month_weekday_last& ymwdl) noexcept; |
| constexpr year_month_weekday_last |
| operator+(const year_month_weekday_last& ymwdl, const years& dy) noexcept; |
| constexpr year_month_weekday_last |
| operator+(const years& dy, const year_month_weekday_last& ymwdl) noexcept; |
| constexpr year_month_weekday_last |
| operator-(const year_month_weekday_last& ymwdl, const months& dm) noexcept; |
| constexpr year_month_weekday_last |
| operator-(const year_month_weekday_last& ymwdl, const years& dy) noexcept; |
| |
| // 25.8.18, civil calendar conventional syntax operators // C++20 |
| constexpr year_month |
| operator/(const year& y, const month& m) noexcept; |
| constexpr year_month |
| operator/(const year& y, int m) noexcept; |
| constexpr month_day |
| operator/(const month& m, const day& d) noexcept; |
| constexpr month_day |
| operator/(const month& m, int d) noexcept; |
| constexpr month_day |
| operator/(int m, const day& d) noexcept; |
| constexpr month_day |
| operator/(const day& d, const month& m) noexcept; |
| constexpr month_day |
| operator/(const day& d, int m) noexcept; |
| constexpr month_day_last |
| operator/(const month& m, last_spec) noexcept; |
| constexpr month_day_last |
| operator/(int m, last_spec) noexcept; |
| constexpr month_day_last |
| operator/(last_spec, const month& m) noexcept; |
| constexpr month_day_last |
| operator/(last_spec, int m) noexcept; |
| constexpr month_weekday |
| operator/(const month& m, const weekday_indexed& wdi) noexcept; |
| constexpr month_weekday |
| operator/(int m, const weekday_indexed& wdi) noexcept; |
| constexpr month_weekday |
| operator/(const weekday_indexed& wdi, const month& m) noexcept; |
| constexpr month_weekday |
| operator/(const weekday_indexed& wdi, int m) noexcept; |
| constexpr month_weekday_last |
| operator/(const month& m, const weekday_last& wdl) noexcept; |
| constexpr month_weekday_last |
| operator/(int m, const weekday_last& wdl) noexcept; |
| constexpr month_weekday_last |
| operator/(const weekday_last& wdl, const month& m) noexcept; |
| constexpr month_weekday_last |
| operator/(const weekday_last& wdl, int m) noexcept; |
| constexpr year_month_day |
| operator/(const year_month& ym, const day& d) noexcept; |
| constexpr year_month_day |
| operator/(const year_month& ym, int d) noexcept; |
| constexpr year_month_day |
| operator/(const year& y, const month_day& md) noexcept; |
| constexpr year_month_day |
| operator/(int y, const month_day& md) noexcept; |
| constexpr year_month_day |
| operator/(const month_day& md, const year& y) noexcept; |
| constexpr year_month_day |
| operator/(const month_day& md, int y) noexcept; |
| constexpr year_month_day_last |
| operator/(const year_month& ym, last_spec) noexcept; |
| constexpr year_month_day_last |
| operator/(const year& y, const month_day_last& mdl) noexcept; |
| constexpr year_month_day_last |
| operator/(int y, const month_day_last& mdl) noexcept; |
| constexpr year_month_day_last |
| operator/(const month_day_last& mdl, const year& y) noexcept; |
| constexpr year_month_day_last |
| operator/(const month_day_last& mdl, int y) noexcept; |
| constexpr year_month_weekday |
| operator/(const year_month& ym, const weekday_indexed& wdi) noexcept; |
| constexpr year_month_weekday |
| operator/(const year& y, const month_weekday& mwd) noexcept; |
| constexpr year_month_weekday |
| operator/(int y, const month_weekday& mwd) noexcept; |
| constexpr year_month_weekday |
| operator/(const month_weekday& mwd, const year& y) noexcept; |
| constexpr year_month_weekday |
| operator/(const month_weekday& mwd, int y) noexcept; |
| constexpr year_month_weekday_last |
| operator/(const year_month& ym, const weekday_last& wdl) noexcept; |
| constexpr year_month_weekday_last |
| operator/(const year& y, const month_weekday_last& mwdl) noexcept; |
| constexpr year_month_weekday_last |
| operator/(int y, const month_weekday_last& mwdl) noexcept; |
| constexpr year_month_weekday_last |
| operator/(const month_weekday_last& mwdl, const year& y) noexcept; |
| constexpr year_month_weekday_last |
| operator/(const month_weekday_last& mwdl, int y) noexcept; |
| |
| // 26.9, class template hh_mm_ss |
| template <class Duration> |
| class hh_mm_ss |
| { |
| bool is_neg; // exposition only |
| chrono::hours h; // exposition only |
| chrono::minutes m; // exposition only |
| chrono::seconds s; // exposition only |
| precision ss; // exposition only |
| |
| public: |
| static unsigned constexpr fractional_width = see below; |
| using precision = see below; |
| |
| constexpr hh_mm_ss() noexcept : hh_mm_ss{Duration::zero()} {} |
| constexpr explicit hh_mm_ss(Duration d) noexcept; |
| |
| constexpr bool is_negative() const noexcept; |
| constexpr chrono::hours hours() const noexcept; |
| constexpr chrono::minutes minutes() const noexcept; |
| constexpr chrono::seconds seconds() const noexcept; |
| constexpr precision subseconds() const noexcept; |
| |
| constexpr explicit operator precision() const noexcept; |
| constexpr precision to_duration() const noexcept; |
| }; |
| |
| // 26.10, 12/24 hour functions |
| constexpr bool is_am(hours const& h) noexcept; |
| constexpr bool is_pm(hours const& h) noexcept; |
| constexpr hours make12(const hours& h) noexcept; |
| constexpr hours make24(const hours& h, bool is_pm) noexcept; |
| |
| // 25.10.5, class time_zone // C++20 |
| enum class choose {earliest, latest}; |
| class time_zone; |
| bool operator==(const time_zone& x, const time_zone& y) noexcept; |
| bool operator!=(const time_zone& x, const time_zone& y) noexcept; |
| bool operator<(const time_zone& x, const time_zone& y) noexcept; |
| bool operator>(const time_zone& x, const time_zone& y) noexcept; |
| bool operator<=(const time_zone& x, const time_zone& y) noexcept; |
| bool operator>=(const time_zone& x, const time_zone& y) noexcept; |
| |
| // calendrical constants |
| inline constexpr last_spec last{}; // C++20 |
| inline constexpr chrono::weekday Sunday{0}; // C++20 |
| inline constexpr chrono::weekday Monday{1}; // C++20 |
| inline constexpr chrono::weekday Tuesday{2}; // C++20 |
| inline constexpr chrono::weekday Wednesday{3}; // C++20 |
| inline constexpr chrono::weekday Thursday{4}; // C++20 |
| inline constexpr chrono::weekday Friday{5}; // C++20 |
| inline constexpr chrono::weekday Saturday{6}; // C++20 |
| |
| inline constexpr chrono::month January{1}; // C++20 |
| inline constexpr chrono::month February{2}; // C++20 |
| inline constexpr chrono::month March{3}; // C++20 |
| inline constexpr chrono::month April{4}; // C++20 |
| inline constexpr chrono::month May{5}; // C++20 |
| inline constexpr chrono::month June{6}; // C++20 |
| inline constexpr chrono::month July{7}; // C++20 |
| inline constexpr chrono::month August{8}; // C++20 |
| inline constexpr chrono::month September{9}; // C++20 |
| inline constexpr chrono::month October{10}; // C++20 |
| inline constexpr chrono::month November{11}; // C++20 |
| inline constexpr chrono::month December{12}; // C++20 |
| } // chrono |
| |
| inline namespace literals { |
| inline namespace chrono_literals { |
| constexpr chrono::hours operator ""h(unsigned long long); // C++14 |
| constexpr chrono::duration<unspecified , ratio<3600,1>> operator ""h(long double); // C++14 |
| constexpr chrono::minutes operator ""min(unsigned long long); // C++14 |
| constexpr chrono::duration<unspecified , ratio<60,1>> operator ""min(long double); // C++14 |
| constexpr chrono::seconds operator ""s(unsigned long long); // C++14 |
| constexpr chrono::duration<unspecified > operator ""s(long double); // C++14 |
| constexpr chrono::milliseconds operator ""ms(unsigned long long); // C++14 |
| constexpr chrono::duration<unspecified , milli> operator ""ms(long double); // C++14 |
| constexpr chrono::microseconds operator ""us(unsigned long long); // C++14 |
| constexpr chrono::duration<unspecified , micro> operator ""us(long double); // C++14 |
| constexpr chrono::nanoseconds operator ""ns(unsigned long long); // C++14 |
| constexpr chrono::duration<unspecified , nano> operator ""ns(long double); // C++14 |
| constexpr chrono::day operator ""d(unsigned long long d) noexcept; // C++20 |
| constexpr chrono::year operator ""y(unsigned long long y) noexcept; // C++20 |
| } // chrono_literals |
| } // literals |
| |
| } // std |
| */ |
| |
| #include <__availability> |
| #include <__config> |
| #include <compare> |
| #include <ctime> |
| #include <limits> |
| #include <ratio> |
| #include <type_traits> |
| #include <version> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_PUSH_MACROS |
| #include <__undef_macros> |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM |
| struct _FilesystemClock; |
| _LIBCPP_END_NAMESPACE_FILESYSTEM |
| #endif // !_LIBCPP_CXX03_LANG |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| namespace chrono |
| { |
| |
| template <class _Rep, class _Period = ratio<1> > class _LIBCPP_TEMPLATE_VIS duration; |
| |
| template <class _Tp> |
| struct __is_duration : false_type {}; |
| |
| template <class _Rep, class _Period> |
| struct __is_duration<duration<_Rep, _Period> > : true_type {}; |
| |
| template <class _Rep, class _Period> |
| struct __is_duration<const duration<_Rep, _Period> > : true_type {}; |
| |
| template <class _Rep, class _Period> |
| struct __is_duration<volatile duration<_Rep, _Period> > : true_type {}; |
| |
| template <class _Rep, class _Period> |
| struct __is_duration<const volatile duration<_Rep, _Period> > : true_type {}; |
| |
| } // chrono |
| |
| template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
| struct _LIBCPP_TEMPLATE_VIS common_type<chrono::duration<_Rep1, _Period1>, |
| chrono::duration<_Rep2, _Period2> > |
| { |
| typedef chrono::duration<typename common_type<_Rep1, _Rep2>::type, |
| typename __ratio_gcd<_Period1, _Period2>::type> type; |
| }; |
| |
| namespace chrono { |
| |
| // duration_cast |
| |
| template <class _FromDuration, class _ToDuration, |
| class _Period = typename ratio_divide<typename _FromDuration::period, typename _ToDuration::period>::type, |
| bool = _Period::num == 1, |
| bool = _Period::den == 1> |
| struct __duration_cast; |
| |
| template <class _FromDuration, class _ToDuration, class _Period> |
| struct __duration_cast<_FromDuration, _ToDuration, _Period, true, true> |
| { |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| _ToDuration operator()(const _FromDuration& __fd) const |
| { |
| return _ToDuration(static_cast<typename _ToDuration::rep>(__fd.count())); |
| } |
| }; |
| |
| template <class _FromDuration, class _ToDuration, class _Period> |
| struct __duration_cast<_FromDuration, _ToDuration, _Period, true, false> |
| { |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| _ToDuration operator()(const _FromDuration& __fd) const |
| { |
| typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; |
| return _ToDuration(static_cast<typename _ToDuration::rep>( |
| static_cast<_Ct>(__fd.count()) / static_cast<_Ct>(_Period::den))); |
| } |
| }; |
| |
| template <class _FromDuration, class _ToDuration, class _Period> |
| struct __duration_cast<_FromDuration, _ToDuration, _Period, false, true> |
| { |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| _ToDuration operator()(const _FromDuration& __fd) const |
| { |
| typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; |
| return _ToDuration(static_cast<typename _ToDuration::rep>( |
| static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num))); |
| } |
| }; |
| |
| template <class _FromDuration, class _ToDuration, class _Period> |
| struct __duration_cast<_FromDuration, _ToDuration, _Period, false, false> |
| { |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| _ToDuration operator()(const _FromDuration& __fd) const |
| { |
| typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; |
| return _ToDuration(static_cast<typename _ToDuration::rep>( |
| static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num) |
| / static_cast<_Ct>(_Period::den))); |
| } |
| }; |
| |
| template <class _ToDuration, class _Rep, class _Period> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| typename enable_if |
| < |
| __is_duration<_ToDuration>::value, |
| _ToDuration |
| >::type |
| duration_cast(const duration<_Rep, _Period>& __fd) |
| { |
| return __duration_cast<duration<_Rep, _Period>, _ToDuration>()(__fd); |
| } |
| |
| template <class _Rep> |
| struct _LIBCPP_TEMPLATE_VIS treat_as_floating_point : is_floating_point<_Rep> {}; |
| |
| #if _LIBCPP_STD_VER > 14 |
| template <class _Rep> |
| inline constexpr bool treat_as_floating_point_v = treat_as_floating_point<_Rep>::value; |
| #endif |
| |
| template <class _Rep> |
| struct _LIBCPP_TEMPLATE_VIS duration_values |
| { |
| public: |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep zero() _NOEXCEPT {return _Rep(0);} |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep max() _NOEXCEPT {return numeric_limits<_Rep>::max();} |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep min() _NOEXCEPT {return numeric_limits<_Rep>::lowest();} |
| }; |
| |
| #if _LIBCPP_STD_VER > 14 |
| template <class _ToDuration, class _Rep, class _Period> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| typename enable_if |
| < |
| __is_duration<_ToDuration>::value, |
| _ToDuration |
| >::type |
| floor(const duration<_Rep, _Period>& __d) |
| { |
| _ToDuration __t = duration_cast<_ToDuration>(__d); |
| if (__t > __d) |
| __t = __t - _ToDuration{1}; |
| return __t; |
| } |
| |
| template <class _ToDuration, class _Rep, class _Period> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| typename enable_if |
| < |
| __is_duration<_ToDuration>::value, |
| _ToDuration |
| >::type |
| ceil(const duration<_Rep, _Period>& __d) |
| { |
| _ToDuration __t = duration_cast<_ToDuration>(__d); |
| if (__t < __d) |
| __t = __t + _ToDuration{1}; |
| return __t; |
| } |
| |
| template <class _ToDuration, class _Rep, class _Period> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| typename enable_if |
| < |
| __is_duration<_ToDuration>::value, |
| _ToDuration |
| >::type |
| round(const duration<_Rep, _Period>& __d) |
| { |
| _ToDuration __lower = floor<_ToDuration>(__d); |
| _ToDuration __upper = __lower + _ToDuration{1}; |
| auto __lowerDiff = __d - __lower; |
| auto __upperDiff = __upper - __d; |
| if (__lowerDiff < __upperDiff) |
| return __lower; |
| if (__lowerDiff > __upperDiff) |
| return __upper; |
| return __lower.count() & 1 ? __upper : __lower; |
| } |
| #endif |
| |
| // duration |
| |
| template <class _Rep, class _Period> |
| class _LIBCPP_TEMPLATE_VIS duration |
| { |
| static_assert(!__is_duration<_Rep>::value, "A duration representation can not be a duration"); |
| static_assert(__is_ratio<_Period>::value, "Second template parameter of duration must be a std::ratio"); |
| static_assert(_Period::num > 0, "duration period must be positive"); |
| |
| template <class _R1, class _R2> |
| struct __no_overflow |
| { |
| private: |
| static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value; |
| static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value; |
| static const intmax_t __n1 = _R1::num / __gcd_n1_n2; |
| static const intmax_t __d1 = _R1::den / __gcd_d1_d2; |
| static const intmax_t __n2 = _R2::num / __gcd_n1_n2; |
| static const intmax_t __d2 = _R2::den / __gcd_d1_d2; |
| static const intmax_t max = -((intmax_t(1) << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1); |
| |
| template <intmax_t _Xp, intmax_t _Yp, bool __overflow> |
| struct __mul // __overflow == false |
| { |
| static const intmax_t value = _Xp * _Yp; |
| }; |
| |
| template <intmax_t _Xp, intmax_t _Yp> |
| struct __mul<_Xp, _Yp, true> |
| { |
| static const intmax_t value = 1; |
| }; |
| |
| public: |
| static const bool value = (__n1 <= max / __d2) && (__n2 <= max / __d1); |
| typedef ratio<__mul<__n1, __d2, !value>::value, |
| __mul<__n2, __d1, !value>::value> type; |
| }; |
| |
| public: |
| typedef _Rep rep; |
| typedef typename _Period::type period; |
| private: |
| rep __rep_; |
| public: |
| |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| #ifndef _LIBCPP_CXX03_LANG |
| duration() = default; |
| #else |
| duration() {} |
| #endif |
| |
| template <class _Rep2> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| explicit duration(const _Rep2& __r, |
| typename enable_if |
| < |
| is_convertible<_Rep2, rep>::value && |
| (treat_as_floating_point<rep>::value || |
| !treat_as_floating_point<_Rep2>::value) |
| >::type* = nullptr) |
| : __rep_(__r) {} |
| |
| // conversions |
| template <class _Rep2, class _Period2> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| duration(const duration<_Rep2, _Period2>& __d, |
| typename enable_if |
| < |
| __no_overflow<_Period2, period>::value && ( |
| treat_as_floating_point<rep>::value || |
| (__no_overflow<_Period2, period>::type::den == 1 && |
| !treat_as_floating_point<_Rep2>::value)) |
| >::type* = nullptr) |
| : __rep_(chrono::duration_cast<duration>(__d).count()) {} |
| |
| // observer |
| |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR rep count() const {return __rep_;} |
| |
| // arithmetic |
| |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type<duration>::type operator+() const {return typename common_type<duration>::type(*this);} |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type<duration>::type operator-() const {return typename common_type<duration>::type(-__rep_);} |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator++() {++__rep_; return *this;} |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration operator++(int) {return duration(__rep_++);} |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator--() {--__rep_; return *this;} |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration operator--(int) {return duration(__rep_--);} |
| |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator+=(const duration& __d) {__rep_ += __d.count(); return *this;} |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator-=(const duration& __d) {__rep_ -= __d.count(); return *this;} |
| |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator*=(const rep& rhs) {__rep_ *= rhs; return *this;} |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator/=(const rep& rhs) {__rep_ /= rhs; return *this;} |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator%=(const rep& rhs) {__rep_ %= rhs; return *this;} |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator%=(const duration& rhs) {__rep_ %= rhs.count(); return *this;} |
| |
| // special values |
| |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration zero() _NOEXCEPT {return duration(duration_values<rep>::zero());} |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration min() _NOEXCEPT {return duration(duration_values<rep>::min());} |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration max() _NOEXCEPT {return duration(duration_values<rep>::max());} |
| }; |
| |
| typedef duration<long long, nano> nanoseconds; |
| typedef duration<long long, micro> microseconds; |
| typedef duration<long long, milli> milliseconds; |
| typedef duration<long long > seconds; |
| typedef duration< long, ratio< 60> > minutes; |
| typedef duration< long, ratio<3600> > hours; |
| #if _LIBCPP_STD_VER > 17 |
| typedef duration< int, ratio_multiply<ratio<24>, hours::period>> days; |
| typedef duration< int, ratio_multiply<ratio<7>, days::period>> weeks; |
| typedef duration< int, ratio_multiply<ratio<146097, 400>, days::period>> years; |
| typedef duration< int, ratio_divide<years::period, ratio<12>>> months; |
| #endif |
| // Duration == |
| |
| template <class _LhsDuration, class _RhsDuration> |
| struct __duration_eq |
| { |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const |
| { |
| typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct; |
| return _Ct(__lhs).count() == _Ct(__rhs).count(); |
| } |
| }; |
| |
| template <class _LhsDuration> |
| struct __duration_eq<_LhsDuration, _LhsDuration> |
| { |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const |
| {return __lhs.count() == __rhs.count();} |
| }; |
| |
| template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| bool |
| operator==(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
| { |
| return __duration_eq<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs); |
| } |
| |
| // Duration != |
| |
| template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| bool |
| operator!=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
| { |
| return !(__lhs == __rhs); |
| } |
| |
| // Duration < |
| |
| template <class _LhsDuration, class _RhsDuration> |
| struct __duration_lt |
| { |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const |
| { |
| typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct; |
| return _Ct(__lhs).count() < _Ct(__rhs).count(); |
| } |
| }; |
| |
| template <class _LhsDuration> |
| struct __duration_lt<_LhsDuration, _LhsDuration> |
| { |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const |
| {return __lhs.count() < __rhs.count();} |
| }; |
| |
| template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| bool |
| operator< (const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
| { |
| return __duration_lt<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs); |
| } |
| |
| // Duration > |
| |
| template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| bool |
| operator> (const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
| { |
| return __rhs < __lhs; |
| } |
| |
| // Duration <= |
| |
| template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| bool |
| operator<=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
| { |
| return !(__rhs < __lhs); |
| } |
| |
| // Duration >= |
| |
| template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| bool |
| operator>=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
| { |
| return !(__lhs < __rhs); |
| } |
| |
| // Duration + |
| |
| template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type |
| operator+(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
| { |
| typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd; |
| return _Cd(_Cd(__lhs).count() + _Cd(__rhs).count()); |
| } |
| |
| // Duration - |
| |
| template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type |
| operator-(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
| { |
| typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd; |
| return _Cd(_Cd(__lhs).count() - _Cd(__rhs).count()); |
| } |
| |
| // Duration * |
| |
| template <class _Rep1, class _Period, class _Rep2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| typename enable_if |
| < |
| is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value, |
| duration<typename common_type<_Rep1, _Rep2>::type, _Period> |
| >::type |
| operator*(const duration<_Rep1, _Period>& __d, const _Rep2& __s) |
| { |
| typedef typename common_type<_Rep1, _Rep2>::type _Cr; |
| typedef duration<_Cr, _Period> _Cd; |
| return _Cd(_Cd(__d).count() * static_cast<_Cr>(__s)); |
| } |
| |
| template <class _Rep1, class _Period, class _Rep2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| typename enable_if |
| < |
| is_convertible<_Rep1, typename common_type<_Rep1, _Rep2>::type>::value, |
| duration<typename common_type<_Rep1, _Rep2>::type, _Period> |
| >::type |
| operator*(const _Rep1& __s, const duration<_Rep2, _Period>& __d) |
| { |
| return __d * __s; |
| } |
| |
| // Duration / |
| |
| template <class _Rep1, class _Period, class _Rep2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| typename enable_if |
| < |
| !__is_duration<_Rep2>::value && |
| is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value, |
| duration<typename common_type<_Rep1, _Rep2>::type, _Period> |
| >::type |
| operator/(const duration<_Rep1, _Period>& __d, const _Rep2& __s) |
| { |
| typedef typename common_type<_Rep1, _Rep2>::type _Cr; |
| typedef duration<_Cr, _Period> _Cd; |
| return _Cd(_Cd(__d).count() / static_cast<_Cr>(__s)); |
| } |
| |
| template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| typename common_type<_Rep1, _Rep2>::type |
| operator/(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
| { |
| typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Ct; |
| return _Ct(__lhs).count() / _Ct(__rhs).count(); |
| } |
| |
| // Duration % |
| |
| template <class _Rep1, class _Period, class _Rep2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| typename enable_if |
| < |
| !__is_duration<_Rep2>::value && |
| is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value, |
| duration<typename common_type<_Rep1, _Rep2>::type, _Period> |
| >::type |
| operator%(const duration<_Rep1, _Period>& __d, const _Rep2& __s) |
| { |
| typedef typename common_type<_Rep1, _Rep2>::type _Cr; |
| typedef duration<_Cr, _Period> _Cd; |
| return _Cd(_Cd(__d).count() % static_cast<_Cr>(__s)); |
| } |
| |
| template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type |
| operator%(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
| { |
| typedef typename common_type<_Rep1, _Rep2>::type _Cr; |
| typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd; |
| return _Cd(static_cast<_Cr>(_Cd(__lhs).count()) % static_cast<_Cr>(_Cd(__rhs).count())); |
| } |
| |
| ////////////////////////////////////////////////////////// |
| ///////////////////// time_point ///////////////////////// |
| ////////////////////////////////////////////////////////// |
| |
| template <class _Clock, class _Duration = typename _Clock::duration> |
| class _LIBCPP_TEMPLATE_VIS time_point |
| { |
| static_assert(__is_duration<_Duration>::value, |
| "Second template parameter of time_point must be a std::chrono::duration"); |
| public: |
| typedef _Clock clock; |
| typedef _Duration duration; |
| typedef typename duration::rep rep; |
| typedef typename duration::period period; |
| private: |
| duration __d_; |
| |
| public: |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 time_point() : __d_(duration::zero()) {} |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 explicit time_point(const duration& __d) : __d_(__d) {} |
| |
| // conversions |
| template <class _Duration2> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| time_point(const time_point<clock, _Duration2>& t, |
| typename enable_if |
| < |
| is_convertible<_Duration2, duration>::value |
| >::type* = nullptr) |
| : __d_(t.time_since_epoch()) {} |
| |
| // observer |
| |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 duration time_since_epoch() const {return __d_;} |
| |
| // arithmetic |
| |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 time_point& operator+=(const duration& __d) {__d_ += __d; return *this;} |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 time_point& operator-=(const duration& __d) {__d_ -= __d; return *this;} |
| |
| // special values |
| |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point min() _NOEXCEPT {return time_point(duration::min());} |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point max() _NOEXCEPT {return time_point(duration::max());} |
| }; |
| |
| } // chrono |
| |
| template <class _Clock, class _Duration1, class _Duration2> |
| struct _LIBCPP_TEMPLATE_VIS common_type<chrono::time_point<_Clock, _Duration1>, |
| chrono::time_point<_Clock, _Duration2> > |
| { |
| typedef chrono::time_point<_Clock, typename common_type<_Duration1, _Duration2>::type> type; |
| }; |
| |
| namespace chrono { |
| |
| template <class _ToDuration, class _Clock, class _Duration> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| time_point<_Clock, _ToDuration> |
| time_point_cast(const time_point<_Clock, _Duration>& __t) |
| { |
| return time_point<_Clock, _ToDuration>(chrono::duration_cast<_ToDuration>(__t.time_since_epoch())); |
| } |
| |
| #if _LIBCPP_STD_VER > 14 |
| template <class _ToDuration, class _Clock, class _Duration> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| typename enable_if |
| < |
| __is_duration<_ToDuration>::value, |
| time_point<_Clock, _ToDuration> |
| >::type |
| floor(const time_point<_Clock, _Duration>& __t) |
| { |
| return time_point<_Clock, _ToDuration>{floor<_ToDuration>(__t.time_since_epoch())}; |
| } |
| |
| template <class _ToDuration, class _Clock, class _Duration> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| typename enable_if |
| < |
| __is_duration<_ToDuration>::value, |
| time_point<_Clock, _ToDuration> |
| >::type |
| ceil(const time_point<_Clock, _Duration>& __t) |
| { |
| return time_point<_Clock, _ToDuration>{ceil<_ToDuration>(__t.time_since_epoch())}; |
| } |
| |
| template <class _ToDuration, class _Clock, class _Duration> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| typename enable_if |
| < |
| __is_duration<_ToDuration>::value, |
| time_point<_Clock, _ToDuration> |
| >::type |
| round(const time_point<_Clock, _Duration>& __t) |
| { |
| return time_point<_Clock, _ToDuration>{round<_ToDuration>(__t.time_since_epoch())}; |
| } |
| |
| template <class _Rep, class _Period> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| typename enable_if |
| < |
| numeric_limits<_Rep>::is_signed, |
| duration<_Rep, _Period> |
| >::type |
| abs(duration<_Rep, _Period> __d) |
| { |
| return __d >= __d.zero() ? +__d : -__d; |
| } |
| #endif |
| |
| // time_point == |
| |
| template <class _Clock, class _Duration1, class _Duration2> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| bool |
| operator==(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
| { |
| return __lhs.time_since_epoch() == __rhs.time_since_epoch(); |
| } |
| |
| // time_point != |
| |
| template <class _Clock, class _Duration1, class _Duration2> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| bool |
| operator!=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
| { |
| return !(__lhs == __rhs); |
| } |
| |
| // time_point < |
| |
| template <class _Clock, class _Duration1, class _Duration2> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| bool |
| operator<(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
| { |
| return __lhs.time_since_epoch() < __rhs.time_since_epoch(); |
| } |
| |
| // time_point > |
| |
| template <class _Clock, class _Duration1, class _Duration2> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| bool |
| operator>(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
| { |
| return __rhs < __lhs; |
| } |
| |
| // time_point <= |
| |
| template <class _Clock, class _Duration1, class _Duration2> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| bool |
| operator<=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
| { |
| return !(__rhs < __lhs); |
| } |
| |
| // time_point >= |
| |
| template <class _Clock, class _Duration1, class _Duration2> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| bool |
| operator>=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
| { |
| return !(__lhs < __rhs); |
| } |
| |
| // time_point operator+(time_point x, duration y); |
| |
| template <class _Clock, class _Duration1, class _Rep2, class _Period2> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> |
| operator+(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
| { |
| typedef time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> _Tr; |
| return _Tr (__lhs.time_since_epoch() + __rhs); |
| } |
| |
| // time_point operator+(duration x, time_point y); |
| |
| template <class _Rep1, class _Period1, class _Clock, class _Duration2> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| time_point<_Clock, typename common_type<duration<_Rep1, _Period1>, _Duration2>::type> |
| operator+(const duration<_Rep1, _Period1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
| { |
| return __rhs + __lhs; |
| } |
| |
| // time_point operator-(time_point x, duration y); |
| |
| template <class _Clock, class _Duration1, class _Rep2, class _Period2> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> |
| operator-(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
| { |
| typedef time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> _Ret; |
| return _Ret(__lhs.time_since_epoch() -__rhs); |
| } |
| |
| // duration operator-(time_point x, time_point y); |
| |
| template <class _Clock, class _Duration1, class _Duration2> |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| typename common_type<_Duration1, _Duration2>::type |
| operator-(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
| { |
| return __lhs.time_since_epoch() - __rhs.time_since_epoch(); |
| } |
| |
| ////////////////////////////////////////////////////////// |
| /////////////////////// clocks /////////////////////////// |
| ////////////////////////////////////////////////////////// |
| |
| class _LIBCPP_TYPE_VIS system_clock |
| { |
| public: |
| typedef microseconds duration; |
| typedef duration::rep rep; |
| typedef duration::period period; |
| typedef chrono::time_point<system_clock> time_point; |
| static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = false; |
| |
| static time_point now() _NOEXCEPT; |
| static time_t to_time_t (const time_point& __t) _NOEXCEPT; |
| static time_point from_time_t(time_t __t) _NOEXCEPT; |
| }; |
| |
| #ifndef _LIBCPP_HAS_NO_MONOTONIC_CLOCK |
| class _LIBCPP_TYPE_VIS steady_clock |
| { |
| public: |
| typedef nanoseconds duration; |
| typedef duration::rep rep; |
| typedef duration::period period; |
| typedef chrono::time_point<steady_clock, duration> time_point; |
| static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = true; |
| |
| static time_point now() _NOEXCEPT; |
| }; |
| |
| typedef steady_clock high_resolution_clock; |
| #else |
| typedef system_clock high_resolution_clock; |
| #endif |
| |
| #if _LIBCPP_STD_VER > 17 |
| // [time.clock.file], type file_clock |
| using file_clock = _VSTD_FS::_FilesystemClock; |
| |
| template<class _Duration> |
| using file_time = time_point<file_clock, _Duration>; |
| |
| |
| template <class _Duration> |
| using sys_time = time_point<system_clock, _Duration>; |
| using sys_seconds = sys_time<seconds>; |
| using sys_days = sys_time<days>; |
| |
| struct local_t {}; |
| template<class Duration> |
| using local_time = time_point<local_t, Duration>; |
| using local_seconds = local_time<seconds>; |
| using local_days = local_time<days>; |
| |
| |
| struct last_spec { explicit last_spec() = default; }; |
| |
| class day { |
| private: |
| unsigned char __d; |
| public: |
| day() = default; |
| explicit inline constexpr day(unsigned __val) noexcept : __d(static_cast<unsigned char>(__val)) {} |
| inline constexpr day& operator++() noexcept { ++__d; return *this; } |
| inline constexpr day operator++(int) noexcept { day __tmp = *this; ++(*this); return __tmp; } |
| inline constexpr day& operator--() noexcept { --__d; return *this; } |
| inline constexpr day operator--(int) noexcept { day __tmp = *this; --(*this); return __tmp; } |
| constexpr day& operator+=(const days& __dd) noexcept; |
| constexpr day& operator-=(const days& __dd) noexcept; |
| explicit inline constexpr operator unsigned() const noexcept { return __d; } |
| inline constexpr bool ok() const noexcept { return __d >= 1 && __d <= 31; } |
| }; |
| |
| |
| inline constexpr |
| bool operator==(const day& __lhs, const day& __rhs) noexcept |
| { return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); } |
| |
| inline constexpr |
| bool operator!=(const day& __lhs, const day& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| inline constexpr |
| bool operator< (const day& __lhs, const day& __rhs) noexcept |
| { return static_cast<unsigned>(__lhs) < static_cast<unsigned>(__rhs); } |
| |
| inline constexpr |
| bool operator> (const day& __lhs, const day& __rhs) noexcept |
| { return __rhs < __lhs; } |
| |
| inline constexpr |
| bool operator<=(const day& __lhs, const day& __rhs) noexcept |
| { return !(__rhs < __lhs);} |
| |
| inline constexpr |
| bool operator>=(const day& __lhs, const day& __rhs) noexcept |
| { return !(__lhs < __rhs); } |
| |
| inline constexpr |
| day operator+ (const day& __lhs, const days& __rhs) noexcept |
| { return day(static_cast<unsigned>(__lhs) + __rhs.count()); } |
| |
| inline constexpr |
| day operator+ (const days& __lhs, const day& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| inline constexpr |
| day operator- (const day& __lhs, const days& __rhs) noexcept |
| { return __lhs + -__rhs; } |
| |
| inline constexpr |
| days operator-(const day& __lhs, const day& __rhs) noexcept |
| { return days(static_cast<int>(static_cast<unsigned>(__lhs)) - |
| static_cast<int>(static_cast<unsigned>(__rhs))); } |
| |
| inline constexpr day& day::operator+=(const days& __dd) noexcept |
| { *this = *this + __dd; return *this; } |
| |
| inline constexpr day& day::operator-=(const days& __dd) noexcept |
| { *this = *this - __dd; return *this; } |
| |
| |
| class month { |
| private: |
| unsigned char __m; |
| public: |
| month() = default; |
| explicit inline constexpr month(unsigned __val) noexcept : __m(static_cast<unsigned char>(__val)) {} |
| inline constexpr month& operator++() noexcept { ++__m; return *this; } |
| inline constexpr month operator++(int) noexcept { month __tmp = *this; ++(*this); return __tmp; } |
| inline constexpr month& operator--() noexcept { --__m; return *this; } |
| inline constexpr month operator--(int) noexcept { month __tmp = *this; --(*this); return __tmp; } |
| constexpr month& operator+=(const months& __m1) noexcept; |
| constexpr month& operator-=(const months& __m1) noexcept; |
| explicit inline constexpr operator unsigned() const noexcept { return __m; } |
| inline constexpr bool ok() const noexcept { return __m >= 1 && __m <= 12; } |
| }; |
| |
| |
| inline constexpr |
| bool operator==(const month& __lhs, const month& __rhs) noexcept |
| { return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); } |
| |
| inline constexpr |
| bool operator!=(const month& __lhs, const month& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| inline constexpr |
| bool operator< (const month& __lhs, const month& __rhs) noexcept |
| { return static_cast<unsigned>(__lhs) < static_cast<unsigned>(__rhs); } |
| |
| inline constexpr |
| bool operator> (const month& __lhs, const month& __rhs) noexcept |
| { return __rhs < __lhs; } |
| |
| inline constexpr |
| bool operator<=(const month& __lhs, const month& __rhs) noexcept |
| { return !(__rhs < __lhs); } |
| |
| inline constexpr |
| bool operator>=(const month& __lhs, const month& __rhs) noexcept |
| { return !(__lhs < __rhs); } |
| |
| inline constexpr |
| month operator+ (const month& __lhs, const months& __rhs) noexcept |
| { |
| auto const __mu = static_cast<long long>(static_cast<unsigned>(__lhs)) + (__rhs.count() - 1); |
| auto const __yr = (__mu >= 0 ? __mu : __mu - 11) / 12; |
| return month{static_cast<unsigned>(__mu - __yr * 12 + 1)}; |
| } |
| |
| inline constexpr |
| month operator+ (const months& __lhs, const month& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| inline constexpr |
| month operator- (const month& __lhs, const months& __rhs) noexcept |
| { return __lhs + -__rhs; } |
| |
| inline constexpr |
| months operator-(const month& __lhs, const month& __rhs) noexcept |
| { |
| auto const __dm = static_cast<unsigned>(__lhs) - static_cast<unsigned>(__rhs); |
| return months(__dm <= 11 ? __dm : __dm + 12); |
| } |
| |
| inline constexpr month& month::operator+=(const months& __dm) noexcept |
| { *this = *this + __dm; return *this; } |
| |
| inline constexpr month& month::operator-=(const months& __dm) noexcept |
| { *this = *this - __dm; return *this; } |
| |
| |
| class year { |
| private: |
| short __y; |
| public: |
| year() = default; |
| explicit inline constexpr year(int __val) noexcept : __y(static_cast<short>(__val)) {} |
| |
| inline constexpr year& operator++() noexcept { ++__y; return *this; } |
| inline constexpr year operator++(int) noexcept { year __tmp = *this; ++(*this); return __tmp; } |
| inline constexpr year& operator--() noexcept { --__y; return *this; } |
| inline constexpr year operator--(int) noexcept { year __tmp = *this; --(*this); return __tmp; } |
| constexpr year& operator+=(const years& __dy) noexcept; |
| constexpr year& operator-=(const years& __dy) noexcept; |
| inline constexpr year operator+() const noexcept { return *this; } |
| inline constexpr year operator-() const noexcept { return year{-__y}; } |
| |
| inline constexpr bool is_leap() const noexcept { return __y % 4 == 0 && (__y % 100 != 0 || __y % 400 == 0); } |
| explicit inline constexpr operator int() const noexcept { return __y; } |
| constexpr bool ok() const noexcept; |
| static inline constexpr year min() noexcept { return year{-32767}; } |
| static inline constexpr year max() noexcept { return year{ 32767}; } |
| }; |
| |
| |
| inline constexpr |
| bool operator==(const year& __lhs, const year& __rhs) noexcept |
| { return static_cast<int>(__lhs) == static_cast<int>(__rhs); } |
| |
| inline constexpr |
| bool operator!=(const year& __lhs, const year& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| inline constexpr |
| bool operator< (const year& __lhs, const year& __rhs) noexcept |
| { return static_cast<int>(__lhs) < static_cast<int>(__rhs); } |
| |
| inline constexpr |
| bool operator> (const year& __lhs, const year& __rhs) noexcept |
| { return __rhs < __lhs; } |
| |
| inline constexpr |
| bool operator<=(const year& __lhs, const year& __rhs) noexcept |
| { return !(__rhs < __lhs); } |
| |
| inline constexpr |
| bool operator>=(const year& __lhs, const year& __rhs) noexcept |
| { return !(__lhs < __rhs); } |
| |
| inline constexpr |
| year operator+ (const year& __lhs, const years& __rhs) noexcept |
| { return year(static_cast<int>(__lhs) + __rhs.count()); } |
| |
| inline constexpr |
| year operator+ (const years& __lhs, const year& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| inline constexpr |
| year operator- (const year& __lhs, const years& __rhs) noexcept |
| { return __lhs + -__rhs; } |
| |
| inline constexpr |
| years operator-(const year& __lhs, const year& __rhs) noexcept |
| { return years{static_cast<int>(__lhs) - static_cast<int>(__rhs)}; } |
| |
| |
| inline constexpr year& year::operator+=(const years& __dy) noexcept |
| { *this = *this + __dy; return *this; } |
| |
| inline constexpr year& year::operator-=(const years& __dy) noexcept |
| { *this = *this - __dy; return *this; } |
| |
| inline constexpr bool year::ok() const noexcept |
| { return static_cast<int>(min()) <= __y && __y <= static_cast<int>(max()); } |
| |
| class weekday_indexed; |
| class weekday_last; |
| |
| class weekday { |
| private: |
| unsigned char __wd; |
| static constexpr unsigned char __weekday_from_days(int __days) noexcept; |
| public: |
| weekday() = default; |
| inline explicit constexpr weekday(unsigned __val) noexcept : __wd(static_cast<unsigned char>(__val == 7 ? 0 : __val)) {} |
| inline constexpr weekday(const sys_days& __sysd) noexcept |
| : __wd(__weekday_from_days(__sysd.time_since_epoch().count())) {} |
| inline explicit constexpr weekday(const local_days& __locd) noexcept |
| : __wd(__weekday_from_days(__locd.time_since_epoch().count())) {} |
| |
| inline constexpr weekday& operator++() noexcept { __wd = (__wd == 6 ? 0 : __wd + 1); return *this; } |
| inline constexpr weekday operator++(int) noexcept { weekday __tmp = *this; ++(*this); return __tmp; } |
| inline constexpr weekday& operator--() noexcept { __wd = (__wd == 0 ? 6 : __wd - 1); return *this; } |
| inline constexpr weekday operator--(int) noexcept { weekday __tmp = *this; --(*this); return __tmp; } |
| constexpr weekday& operator+=(const days& __dd) noexcept; |
| constexpr weekday& operator-=(const days& __dd) noexcept; |
| inline constexpr unsigned c_encoding() const noexcept { return __wd; } |
| inline constexpr unsigned iso_encoding() const noexcept { return __wd == 0u ? 7 : __wd; } |
| inline constexpr bool ok() const noexcept { return __wd <= 6; } |
| constexpr weekday_indexed operator[](unsigned __index) const noexcept; |
| constexpr weekday_last operator[](last_spec) const noexcept; |
| }; |
| |
| |
| // https://howardhinnant.github.io/date_algorithms.html#weekday_from_days |
| inline constexpr |
| unsigned char weekday::__weekday_from_days(int __days) noexcept |
| { |
| return static_cast<unsigned char>( |
| static_cast<unsigned>(__days >= -4 ? (__days+4) % 7 : (__days+5) % 7 + 6) |
| ); |
| } |
| |
| inline constexpr |
| bool operator==(const weekday& __lhs, const weekday& __rhs) noexcept |
| { return __lhs.c_encoding() == __rhs.c_encoding(); } |
| |
| inline constexpr |
| bool operator!=(const weekday& __lhs, const weekday& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| inline constexpr |
| bool operator< (const weekday& __lhs, const weekday& __rhs) noexcept |
| { return __lhs.c_encoding() < __rhs.c_encoding(); } |
| |
| inline constexpr |
| bool operator> (const weekday& __lhs, const weekday& __rhs) noexcept |
| { return __rhs < __lhs; } |
| |
| inline constexpr |
| bool operator<=(const weekday& __lhs, const weekday& __rhs) noexcept |
| { return !(__rhs < __lhs);} |
| |
| inline constexpr |
| bool operator>=(const weekday& __lhs, const weekday& __rhs) noexcept |
| { return !(__lhs < __rhs); } |
| |
| constexpr weekday operator+(const weekday& __lhs, const days& __rhs) noexcept |
| { |
| auto const __mu = static_cast<long long>(__lhs.c_encoding()) + __rhs.count(); |
| auto const __yr = (__mu >= 0 ? __mu : __mu - 6) / 7; |
| return weekday{static_cast<unsigned>(__mu - __yr * 7)}; |
| } |
| |
| constexpr weekday operator+(const days& __lhs, const weekday& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| constexpr weekday operator-(const weekday& __lhs, const days& __rhs) noexcept |
| { return __lhs + -__rhs; } |
| |
| constexpr days operator-(const weekday& __lhs, const weekday& __rhs) noexcept |
| { |
| const int __wdu = __lhs.c_encoding() - __rhs.c_encoding(); |
| const int __wk = (__wdu >= 0 ? __wdu : __wdu-6) / 7; |
| return days{__wdu - __wk * 7}; |
| } |
| |
| inline constexpr weekday& weekday::operator+=(const days& __dd) noexcept |
| { *this = *this + __dd; return *this; } |
| |
| inline constexpr weekday& weekday::operator-=(const days& __dd) noexcept |
| { *this = *this - __dd; return *this; } |
| |
| |
| class weekday_indexed { |
| private: |
| chrono::weekday __wd; |
| unsigned char __idx; |
| public: |
| weekday_indexed() = default; |
| inline constexpr weekday_indexed(const chrono::weekday& __wdval, unsigned __idxval) noexcept |
| : __wd{__wdval}, __idx(__idxval) {} |
| inline constexpr chrono::weekday weekday() const noexcept { return __wd; } |
| inline constexpr unsigned index() const noexcept { return __idx; } |
| inline constexpr bool ok() const noexcept { return __wd.ok() && __idx >= 1 && __idx <= 5; } |
| }; |
| |
| inline constexpr |
| bool operator==(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept |
| { return __lhs.weekday() == __rhs.weekday() && __lhs.index() == __rhs.index(); } |
| |
| inline constexpr |
| bool operator!=(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| |
| class weekday_last { |
| private: |
| chrono::weekday __wd; |
| public: |
| explicit constexpr weekday_last(const chrono::weekday& __val) noexcept |
| : __wd{__val} {} |
| constexpr chrono::weekday weekday() const noexcept { return __wd; } |
| constexpr bool ok() const noexcept { return __wd.ok(); } |
| }; |
| |
| inline constexpr |
| bool operator==(const weekday_last& __lhs, const weekday_last& __rhs) noexcept |
| { return __lhs.weekday() == __rhs.weekday(); } |
| |
| inline constexpr |
| bool operator!=(const weekday_last& __lhs, const weekday_last& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| inline constexpr |
| weekday_indexed weekday::operator[](unsigned __index) const noexcept { return weekday_indexed{*this, __index}; } |
| |
| inline constexpr |
| weekday_last weekday::operator[](last_spec) const noexcept { return weekday_last{*this}; } |
| |
| |
| inline constexpr last_spec last{}; |
| inline constexpr weekday Sunday{0}; |
| inline constexpr weekday Monday{1}; |
| inline constexpr weekday Tuesday{2}; |
| inline constexpr weekday Wednesday{3}; |
| inline constexpr weekday Thursday{4}; |
| inline constexpr weekday Friday{5}; |
| inline constexpr weekday Saturday{6}; |
| |
| inline constexpr month January{1}; |
| inline constexpr month February{2}; |
| inline constexpr month March{3}; |
| inline constexpr month April{4}; |
| inline constexpr month May{5}; |
| inline constexpr month June{6}; |
| inline constexpr month July{7}; |
| inline constexpr month August{8}; |
| inline constexpr month September{9}; |
| inline constexpr month October{10}; |
| inline constexpr month November{11}; |
| inline constexpr month December{12}; |
| |
| |
| class month_day { |
| private: |
| chrono::month __m; |
| chrono::day __d; |
| public: |
| month_day() = default; |
| constexpr month_day(const chrono::month& __mval, const chrono::day& __dval) noexcept |
| : __m{__mval}, __d{__dval} {} |
| inline constexpr chrono::month month() const noexcept { return __m; } |
| inline constexpr chrono::day day() const noexcept { return __d; } |
| constexpr bool ok() const noexcept; |
| }; |
| |
| inline constexpr |
| bool month_day::ok() const noexcept |
| { |
| if (!__m.ok()) return false; |
| const unsigned __dval = static_cast<unsigned>(__d); |
| if (__dval < 1 || __dval > 31) return false; |
| if (__dval <= 29) return true; |
| // Now we've got either 30 or 31 |
| const unsigned __mval = static_cast<unsigned>(__m); |
| if (__mval == 2) return false; |
| if (__mval == 4 || __mval == 6 || __mval == 9 || __mval == 11) |
| return __dval == 30; |
| return true; |
| } |
| |
| inline constexpr |
| bool operator==(const month_day& __lhs, const month_day& __rhs) noexcept |
| { return __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); } |
| |
| inline constexpr |
| bool operator!=(const month_day& __lhs, const month_day& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| inline constexpr |
| month_day operator/(const month& __lhs, const day& __rhs) noexcept |
| { return month_day{__lhs, __rhs}; } |
| |
| constexpr |
| month_day operator/(const day& __lhs, const month& __rhs) noexcept |
| { return __rhs / __lhs; } |
| |
| inline constexpr |
| month_day operator/(const month& __lhs, int __rhs) noexcept |
| { return __lhs / day(__rhs); } |
| |
| constexpr |
| month_day operator/(int __lhs, const day& __rhs) noexcept |
| { return month(__lhs) / __rhs; } |
| |
| constexpr |
| month_day operator/(const day& __lhs, int __rhs) noexcept |
| { return month(__rhs) / __lhs; } |
| |
| |
| inline constexpr |
| bool operator< (const month_day& __lhs, const month_day& __rhs) noexcept |
| { return __lhs.month() != __rhs.month() ? __lhs.month() < __rhs.month() : __lhs.day() < __rhs.day(); } |
| |
| inline constexpr |
| bool operator> (const month_day& __lhs, const month_day& __rhs) noexcept |
| { return __rhs < __lhs; } |
| |
| inline constexpr |
| bool operator<=(const month_day& __lhs, const month_day& __rhs) noexcept |
| { return !(__rhs < __lhs);} |
| |
| inline constexpr |
| bool operator>=(const month_day& __lhs, const month_day& __rhs) noexcept |
| { return !(__lhs < __rhs); } |
| |
| |
| |
| class month_day_last { |
| private: |
| chrono::month __m; |
| public: |
| explicit constexpr month_day_last(const chrono::month& __val) noexcept |
| : __m{__val} {} |
| inline constexpr chrono::month month() const noexcept { return __m; } |
| inline constexpr bool ok() const noexcept { return __m.ok(); } |
| }; |
| |
| inline constexpr |
| bool operator==(const month_day_last& __lhs, const month_day_last& __rhs) noexcept |
| { return __lhs.month() == __rhs.month(); } |
| |
| inline constexpr |
| bool operator!=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| inline constexpr |
| bool operator< (const month_day_last& __lhs, const month_day_last& __rhs) noexcept |
| { return __lhs.month() < __rhs.month(); } |
| |
| inline constexpr |
| bool operator> (const month_day_last& __lhs, const month_day_last& __rhs) noexcept |
| { return __rhs < __lhs; } |
| |
| inline constexpr |
| bool operator<=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept |
| { return !(__rhs < __lhs);} |
| |
| inline constexpr |
| bool operator>=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept |
| { return !(__lhs < __rhs); } |
| |
| inline constexpr |
| month_day_last operator/(const month& __lhs, last_spec) noexcept |
| { return month_day_last{__lhs}; } |
| |
| inline constexpr |
| month_day_last operator/(last_spec, const month& __rhs) noexcept |
| { return month_day_last{__rhs}; } |
| |
| inline constexpr |
| month_day_last operator/(int __lhs, last_spec) noexcept |
| { return month_day_last{month(__lhs)}; } |
| |
| inline constexpr |
| month_day_last operator/(last_spec, int __rhs) noexcept |
| { return month_day_last{month(__rhs)}; } |
| |
| |
| class month_weekday { |
| private: |
| chrono::month __m; |
| chrono::weekday_indexed __wdi; |
| public: |
| month_weekday() = default; |
| constexpr month_weekday(const chrono::month& __mval, const chrono::weekday_indexed& __wdival) noexcept |
| : __m{__mval}, __wdi{__wdival} {} |
| inline constexpr chrono::month month() const noexcept { return __m; } |
| inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { return __wdi; } |
| inline constexpr bool ok() const noexcept { return __m.ok() && __wdi.ok(); } |
| }; |
| |
| inline constexpr |
| bool operator==(const month_weekday& __lhs, const month_weekday& __rhs) noexcept |
| { return __lhs.month() == __rhs.month() && __lhs.weekday_indexed() == __rhs.weekday_indexed(); } |
| |
| inline constexpr |
| bool operator!=(const month_weekday& __lhs, const month_weekday& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| inline constexpr |
| month_weekday operator/(const month& __lhs, const weekday_indexed& __rhs) noexcept |
| { return month_weekday{__lhs, __rhs}; } |
| |
| inline constexpr |
| month_weekday operator/(int __lhs, const weekday_indexed& __rhs) noexcept |
| { return month_weekday{month(__lhs), __rhs}; } |
| |
| inline constexpr |
| month_weekday operator/(const weekday_indexed& __lhs, const month& __rhs) noexcept |
| { return month_weekday{__rhs, __lhs}; } |
| |
| inline constexpr |
| month_weekday operator/(const weekday_indexed& __lhs, int __rhs) noexcept |
| { return month_weekday{month(__rhs), __lhs}; } |
| |
| |
| class month_weekday_last { |
| chrono::month __m; |
| chrono::weekday_last __wdl; |
| public: |
| constexpr month_weekday_last(const chrono::month& __mval, const chrono::weekday_last& __wdlval) noexcept |
| : __m{__mval}, __wdl{__wdlval} {} |
| inline constexpr chrono::month month() const noexcept { return __m; } |
| inline constexpr chrono::weekday_last weekday_last() const noexcept { return __wdl; } |
| inline constexpr bool ok() const noexcept { return __m.ok() && __wdl.ok(); } |
| }; |
| |
| inline constexpr |
| bool operator==(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept |
| { return __lhs.month() == __rhs.month() && __lhs.weekday_last() == __rhs.weekday_last(); } |
| |
| inline constexpr |
| bool operator!=(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| |
| inline constexpr |
| month_weekday_last operator/(const month& __lhs, const weekday_last& __rhs) noexcept |
| { return month_weekday_last{__lhs, __rhs}; } |
| |
| inline constexpr |
| month_weekday_last operator/(int __lhs, const weekday_last& __rhs) noexcept |
| { return month_weekday_last{month(__lhs), __rhs}; } |
| |
| inline constexpr |
| month_weekday_last operator/(const weekday_last& __lhs, const month& __rhs) noexcept |
| { return month_weekday_last{__rhs, __lhs}; } |
| |
| inline constexpr |
| month_weekday_last operator/(const weekday_last& __lhs, int __rhs) noexcept |
| { return month_weekday_last{month(__rhs), __lhs}; } |
| |
| |
| class year_month { |
| chrono::year __y; |
| chrono::month __m; |
| public: |
| year_month() = default; |
| constexpr year_month(const chrono::year& __yval, const chrono::month& __mval) noexcept |
| : __y{__yval}, __m{__mval} {} |
| inline constexpr chrono::year year() const noexcept { return __y; } |
| inline constexpr chrono::month month() const noexcept { return __m; } |
| inline constexpr year_month& operator+=(const months& __dm) noexcept { this->__m += __dm; return *this; } |
| inline constexpr year_month& operator-=(const months& __dm) noexcept { this->__m -= __dm; return *this; } |
| inline constexpr year_month& operator+=(const years& __dy) noexcept { this->__y += __dy; return *this; } |
| inline constexpr year_month& operator-=(const years& __dy) noexcept { this->__y -= __dy; return *this; } |
| inline constexpr bool ok() const noexcept { return __y.ok() && __m.ok(); } |
| }; |
| |
| inline constexpr |
| year_month operator/(const year& __y, const month& __m) noexcept { return year_month{__y, __m}; } |
| |
| inline constexpr |
| year_month operator/(const year& __y, int __m) noexcept { return year_month{__y, month(__m)}; } |
| |
| inline constexpr |
| bool operator==(const year_month& __lhs, const year_month& __rhs) noexcept |
| { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month(); } |
| |
| inline constexpr |
| bool operator!=(const year_month& __lhs, const year_month& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| inline constexpr |
| bool operator< (const year_month& __lhs, const year_month& __rhs) noexcept |
| { return __lhs.year() != __rhs.year() ? __lhs.year() < __rhs.year() : __lhs.month() < __rhs.month(); } |
| |
| inline constexpr |
| bool operator> (const year_month& __lhs, const year_month& __rhs) noexcept |
| { return __rhs < __lhs; } |
| |
| inline constexpr |
| bool operator<=(const year_month& __lhs, const year_month& __rhs) noexcept |
| { return !(__rhs < __lhs);} |
| |
| inline constexpr |
| bool operator>=(const year_month& __lhs, const year_month& __rhs) noexcept |
| { return !(__lhs < __rhs); } |
| |
| constexpr year_month operator+(const year_month& __lhs, const months& __rhs) noexcept |
| { |
| int __dmi = static_cast<int>(static_cast<unsigned>(__lhs.month())) - 1 + __rhs.count(); |
| const int __dy = (__dmi >= 0 ? __dmi : __dmi-11) / 12; |
| __dmi = __dmi - __dy * 12 + 1; |
| return (__lhs.year() + years(__dy)) / month(static_cast<unsigned>(__dmi)); |
| } |
| |
| constexpr year_month operator+(const months& __lhs, const year_month& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| constexpr year_month operator+(const year_month& __lhs, const years& __rhs) noexcept |
| { return (__lhs.year() + __rhs) / __lhs.month(); } |
| |
| constexpr year_month operator+(const years& __lhs, const year_month& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| constexpr months operator-(const year_month& __lhs, const year_month& __rhs) noexcept |
| { return (__lhs.year() - __rhs.year()) + months(static_cast<unsigned>(__lhs.month()) - static_cast<unsigned>(__rhs.month())); } |
| |
| constexpr year_month operator-(const year_month& __lhs, const months& __rhs) noexcept |
| { return __lhs + -__rhs; } |
| |
| constexpr year_month operator-(const year_month& __lhs, const years& __rhs) noexcept |
| { return __lhs + -__rhs; } |
| |
| class year_month_day_last; |
| |
| class year_month_day { |
| private: |
| chrono::year __y; |
| chrono::month __m; |
| chrono::day __d; |
| public: |
| year_month_day() = default; |
| inline constexpr year_month_day( |
| const chrono::year& __yval, const chrono::month& __mval, const chrono::day& __dval) noexcept |
| : __y{__yval}, __m{__mval}, __d{__dval} {} |
| constexpr year_month_day(const year_month_day_last& __ymdl) noexcept; |
| inline constexpr year_month_day(const sys_days& __sysd) noexcept |
| : year_month_day(__from_days(__sysd.time_since_epoch())) {} |
| inline explicit constexpr year_month_day(const local_days& __locd) noexcept |
| : year_month_day(__from_days(__locd.time_since_epoch())) {} |
| |
| constexpr year_month_day& operator+=(const months& __dm) noexcept; |
| constexpr year_month_day& operator-=(const months& __dm) noexcept; |
| constexpr year_month_day& operator+=(const years& __dy) noexcept; |
| constexpr year_month_day& operator-=(const years& __dy) noexcept; |
| |
| inline constexpr chrono::year year() const noexcept { return __y; } |
| inline constexpr chrono::month month() const noexcept { return __m; } |
| inline constexpr chrono::day day() const noexcept { return __d; } |
| inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; } |
| inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; } |
| |
| constexpr bool ok() const noexcept; |
| |
| static constexpr year_month_day __from_days(days __d) noexcept; |
| constexpr days __to_days() const noexcept; |
| }; |
| |
| |
| // https://howardhinnant.github.io/date_algorithms.html#civil_from_days |
| inline constexpr |
| year_month_day |
| year_month_day::__from_days(days __d) noexcept |
| { |
| static_assert(numeric_limits<unsigned>::digits >= 18, ""); |
| static_assert(numeric_limits<int>::digits >= 20 , ""); |
| const int __z = __d.count() + 719468; |
| const int __era = (__z >= 0 ? __z : __z - 146096) / 146097; |
| const unsigned __doe = static_cast<unsigned>(__z - __era * 146097); // [0, 146096] |
| const unsigned __yoe = (__doe - __doe/1460 + __doe/36524 - __doe/146096) / 365; // [0, 399] |
| const int __yr = static_cast<int>(__yoe) + __era * 400; |
| const unsigned __doy = __doe - (365 * __yoe + __yoe/4 - __yoe/100); // [0, 365] |
| const unsigned __mp = (5 * __doy + 2)/153; // [0, 11] |
| const unsigned __dy = __doy - (153 * __mp + 2)/5 + 1; // [1, 31] |
| const unsigned __mth = __mp + (__mp < 10 ? 3 : -9); // [1, 12] |
| return year_month_day{chrono::year{__yr + (__mth <= 2)}, chrono::month{__mth}, chrono::day{__dy}}; |
| } |
| |
| // https://howardhinnant.github.io/date_algorithms.html#days_from_civil |
| inline constexpr days year_month_day::__to_days() const noexcept |
| { |
| static_assert(numeric_limits<unsigned>::digits >= 18, ""); |
| static_assert(numeric_limits<int>::digits >= 20 , ""); |
| |
| const int __yr = static_cast<int>(__y) - (__m <= February); |
| const unsigned __mth = static_cast<unsigned>(__m); |
| const unsigned __dy = static_cast<unsigned>(__d); |
| |
| const int __era = (__yr >= 0 ? __yr : __yr - 399) / 400; |
| const unsigned __yoe = static_cast<unsigned>(__yr - __era * 400); // [0, 399] |
| const unsigned __doy = (153 * (__mth + (__mth > 2 ? -3 : 9)) + 2) / 5 + __dy-1; // [0, 365] |
| const unsigned __doe = __yoe * 365 + __yoe/4 - __yoe/100 + __doy; // [0, 146096] |
| return days{__era * 146097 + static_cast<int>(__doe) - 719468}; |
| } |
| |
| inline constexpr |
| bool operator==(const year_month_day& __lhs, const year_month_day& __rhs) noexcept |
| { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); } |
| |
| inline constexpr |
| bool operator!=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| inline constexpr |
| bool operator< (const year_month_day& __lhs, const year_month_day& __rhs) noexcept |
| { |
| if (__lhs.year() < __rhs.year()) return true; |
| if (__lhs.year() > __rhs.year()) return false; |
| if (__lhs.month() < __rhs.month()) return true; |
| if (__lhs.month() > __rhs.month()) return false; |
| return __lhs.day() < __rhs.day(); |
| } |
| |
| inline constexpr |
| bool operator> (const year_month_day& __lhs, const year_month_day& __rhs) noexcept |
| { return __rhs < __lhs; } |
| |
| inline constexpr |
| bool operator<=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept |
| { return !(__rhs < __lhs);} |
| |
| inline constexpr |
| bool operator>=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept |
| { return !(__lhs < __rhs); } |
| |
| inline constexpr |
| year_month_day operator/(const year_month& __lhs, const day& __rhs) noexcept |
| { return year_month_day{__lhs.year(), __lhs.month(), __rhs}; } |
| |
| inline constexpr |
| year_month_day operator/(const year_month& __lhs, int __rhs) noexcept |
| { return __lhs / day(__rhs); } |
| |
| inline constexpr |
| year_month_day operator/(const year& __lhs, const month_day& __rhs) noexcept |
| { return __lhs / __rhs.month() / __rhs.day(); } |
| |
| inline constexpr |
| year_month_day operator/(int __lhs, const month_day& __rhs) noexcept |
| { return year(__lhs) / __rhs; } |
| |
| inline constexpr |
| year_month_day operator/(const month_day& __lhs, const year& __rhs) noexcept |
| { return __rhs / __lhs; } |
| |
| inline constexpr |
| year_month_day operator/(const month_day& __lhs, int __rhs) noexcept |
| { return year(__rhs) / __lhs; } |
| |
| |
| inline constexpr |
| year_month_day operator+(const year_month_day& __lhs, const months& __rhs) noexcept |
| { return (__lhs.year()/__lhs.month() + __rhs)/__lhs.day(); } |
| |
| inline constexpr |
| year_month_day operator+(const months& __lhs, const year_month_day& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| inline constexpr |
| year_month_day operator-(const year_month_day& __lhs, const months& __rhs) noexcept |
| { return __lhs + -__rhs; } |
| |
| inline constexpr |
| year_month_day operator+(const year_month_day& __lhs, const years& __rhs) noexcept |
| { return (__lhs.year() + __rhs) / __lhs.month() / __lhs.day(); } |
| |
| inline constexpr |
| year_month_day operator+(const years& __lhs, const year_month_day& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| inline constexpr |
| year_month_day operator-(const year_month_day& __lhs, const years& __rhs) noexcept |
| { return __lhs + -__rhs; } |
| |
| inline constexpr year_month_day& year_month_day::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; } |
| inline constexpr year_month_day& year_month_day::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; } |
| inline constexpr year_month_day& year_month_day::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; } |
| inline constexpr year_month_day& year_month_day::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; } |
| |
| class year_month_day_last { |
| private: |
| chrono::year __y; |
| chrono::month_day_last __mdl; |
| public: |
| constexpr year_month_day_last(const year& __yval, const month_day_last& __mdlval) noexcept |
| : __y{__yval}, __mdl{__mdlval} {} |
| |
| constexpr year_month_day_last& operator+=(const months& __m) noexcept; |
| constexpr year_month_day_last& operator-=(const months& __m) noexcept; |
| constexpr year_month_day_last& operator+=(const years& __y) noexcept; |
| constexpr year_month_day_last& operator-=(const years& __y) noexcept; |
| |
| inline constexpr chrono::year year() const noexcept { return __y; } |
| inline constexpr chrono::month month() const noexcept { return __mdl.month(); } |
| inline constexpr chrono::month_day_last month_day_last() const noexcept { return __mdl; } |
| constexpr chrono::day day() const noexcept; |
| inline constexpr operator sys_days() const noexcept { return sys_days{year()/month()/day()}; } |
| inline explicit constexpr operator local_days() const noexcept { return local_days{year()/month()/day()}; } |
| inline constexpr bool ok() const noexcept { return __y.ok() && __mdl.ok(); } |
| }; |
| |
| inline constexpr |
| chrono::day year_month_day_last::day() const noexcept |
| { |
| constexpr chrono::day __d[] = |
| { |
| chrono::day(31), chrono::day(28), chrono::day(31), |
| chrono::day(30), chrono::day(31), chrono::day(30), |
| chrono::day(31), chrono::day(31), chrono::day(30), |
| chrono::day(31), chrono::day(30), chrono::day(31) |
| }; |
| return (month() != February || !__y.is_leap()) && month().ok() ? |
| __d[static_cast<unsigned>(month()) - 1] : chrono::day{29}; |
| } |
| |
| inline constexpr |
| bool operator==(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept |
| { return __lhs.year() == __rhs.year() && __lhs.month_day_last() == __rhs.month_day_last(); } |
| |
| inline constexpr |
| bool operator!=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| inline constexpr |
| bool operator< (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept |
| { |
| if (__lhs.year() < __rhs.year()) return true; |
| if (__lhs.year() > __rhs.year()) return false; |
| return __lhs.month_day_last() < __rhs.month_day_last(); |
| } |
| |
| inline constexpr |
| bool operator> (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept |
| { return __rhs < __lhs; } |
| |
| inline constexpr |
| bool operator<=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept |
| { return !(__rhs < __lhs);} |
| |
| inline constexpr |
| bool operator>=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept |
| { return !(__lhs < __rhs); } |
| |
| inline constexpr year_month_day_last operator/(const year_month& __lhs, last_spec) noexcept |
| { return year_month_day_last{__lhs.year(), month_day_last{__lhs.month()}}; } |
| |
| inline constexpr year_month_day_last operator/(const year& __lhs, const month_day_last& __rhs) noexcept |
| { return year_month_day_last{__lhs, __rhs}; } |
| |
| inline constexpr year_month_day_last operator/(int __lhs, const month_day_last& __rhs) noexcept |
| { return year_month_day_last{year{__lhs}, __rhs}; } |
| |
| inline constexpr year_month_day_last operator/(const month_day_last& __lhs, const year& __rhs) noexcept |
| { return __rhs / __lhs; } |
| |
| inline constexpr year_month_day_last operator/(const month_day_last& __lhs, int __rhs) noexcept |
| { return year{__rhs} / __lhs; } |
| |
| |
| inline constexpr |
| year_month_day_last operator+(const year_month_day_last& __lhs, const months& __rhs) noexcept |
| { return (__lhs.year() / __lhs.month() + __rhs) / last; } |
| |
| inline constexpr |
| year_month_day_last operator+(const months& __lhs, const year_month_day_last& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| inline constexpr |
| year_month_day_last operator-(const year_month_day_last& __lhs, const months& __rhs) noexcept |
| { return __lhs + (-__rhs); } |
| |
| inline constexpr |
| year_month_day_last operator+(const year_month_day_last& __lhs, const years& __rhs) noexcept |
| { return year_month_day_last{__lhs.year() + __rhs, __lhs.month_day_last()}; } |
| |
| inline constexpr |
| year_month_day_last operator+(const years& __lhs, const year_month_day_last& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| inline constexpr |
| year_month_day_last operator-(const year_month_day_last& __lhs, const years& __rhs) noexcept |
| { return __lhs + (-__rhs); } |
| |
| inline constexpr year_month_day_last& year_month_day_last::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; } |
| inline constexpr year_month_day_last& year_month_day_last::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; } |
| inline constexpr year_month_day_last& year_month_day_last::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; } |
| inline constexpr year_month_day_last& year_month_day_last::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; } |
| |
| inline constexpr year_month_day::year_month_day(const year_month_day_last& __ymdl) noexcept |
| : __y{__ymdl.year()}, __m{__ymdl.month()}, __d{__ymdl.day()} {} |
| |
| inline constexpr bool year_month_day::ok() const noexcept |
| { |
| if (!__y.ok() || !__m.ok()) return false; |
| return chrono::day{1} <= __d && __d <= (__y / __m / last).day(); |
| } |
| |
| class year_month_weekday { |
| chrono::year __y; |
| chrono::month __m; |
| chrono::weekday_indexed __wdi; |
| public: |
| year_month_weekday() = default; |
| constexpr year_month_weekday(const chrono::year& __yval, const chrono::month& __mval, |
| const chrono::weekday_indexed& __wdival) noexcept |
| : __y{__yval}, __m{__mval}, __wdi{__wdival} {} |
| constexpr year_month_weekday(const sys_days& __sysd) noexcept |
| : year_month_weekday(__from_days(__sysd.time_since_epoch())) {} |
| inline explicit constexpr year_month_weekday(const local_days& __locd) noexcept |
| : year_month_weekday(__from_days(__locd.time_since_epoch())) {} |
| constexpr year_month_weekday& operator+=(const months& m) noexcept; |
| constexpr year_month_weekday& operator-=(const months& m) noexcept; |
| constexpr year_month_weekday& operator+=(const years& y) noexcept; |
| constexpr year_month_weekday& operator-=(const years& y) noexcept; |
| |
| inline constexpr chrono::year year() const noexcept { return __y; } |
| inline constexpr chrono::month month() const noexcept { return __m; } |
| inline constexpr chrono::weekday weekday() const noexcept { return __wdi.weekday(); } |
| inline constexpr unsigned index() const noexcept { return __wdi.index(); } |
| inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { return __wdi; } |
| |
| inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; } |
| inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; } |
| inline constexpr bool ok() const noexcept |
| { |
| if (!__y.ok() || !__m.ok() || !__wdi.ok()) return false; |
| if (__wdi.index() <= 4) return true; |
| auto __nth_weekday_day = |
| __wdi.weekday() - |
| chrono::weekday{static_cast<sys_days>(__y / __m / 1)} + |
| days{(__wdi.index() - 1) * 7 + 1}; |
| return static_cast<unsigned>(__nth_weekday_day.count()) <= |
| static_cast<unsigned>((__y / __m / last).day()); |
| } |
| |
| static constexpr year_month_weekday __from_days(days __d) noexcept; |
| constexpr days __to_days() const noexcept; |
| }; |
| |
| inline constexpr |
| year_month_weekday year_month_weekday::__from_days(days __d) noexcept |
| { |
| const sys_days __sysd{__d}; |
| const chrono::weekday __wd = chrono::weekday(__sysd); |
| const year_month_day __ymd = year_month_day(__sysd); |
| return year_month_weekday{__ymd.year(), __ymd.month(), |
| __wd[(static_cast<unsigned>(__ymd.day())-1)/7+1]}; |
| } |
| |
| inline constexpr |
| days year_month_weekday::__to_days() const noexcept |
| { |
| const sys_days __sysd = sys_days(__y/__m/1); |
| return (__sysd + (__wdi.weekday() - chrono::weekday(__sysd) + days{(__wdi.index()-1)*7})) |
| .time_since_epoch(); |
| } |
| |
| inline constexpr |
| bool operator==(const year_month_weekday& __lhs, const year_month_weekday& __rhs) noexcept |
| { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.weekday_indexed() == __rhs.weekday_indexed(); } |
| |
| inline constexpr |
| bool operator!=(const year_month_weekday& __lhs, const year_month_weekday& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| inline constexpr |
| year_month_weekday operator/(const year_month& __lhs, const weekday_indexed& __rhs) noexcept |
| { return year_month_weekday{__lhs.year(), __lhs.month(), __rhs}; } |
| |
| inline constexpr |
| year_month_weekday operator/(const year& __lhs, const month_weekday& __rhs) noexcept |
| { return year_month_weekday{__lhs, __rhs.month(), __rhs.weekday_indexed()}; } |
| |
| inline constexpr |
| year_month_weekday operator/(int __lhs, const month_weekday& __rhs) noexcept |
| { return year(__lhs) / __rhs; } |
| |
| inline constexpr |
| year_month_weekday operator/(const month_weekday& __lhs, const year& __rhs) noexcept |
| { return __rhs / __lhs; } |
| |
| inline constexpr |
| year_month_weekday operator/(const month_weekday& __lhs, int __rhs) noexcept |
| { return year(__rhs) / __lhs; } |
| |
| |
| inline constexpr |
| year_month_weekday operator+(const year_month_weekday& __lhs, const months& __rhs) noexcept |
| { return (__lhs.year() / __lhs.month() + __rhs) / __lhs.weekday_indexed(); } |
| |
| inline constexpr |
| year_month_weekday operator+(const months& __lhs, const year_month_weekday& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| inline constexpr |
| year_month_weekday operator-(const year_month_weekday& __lhs, const months& __rhs) noexcept |
| { return __lhs + (-__rhs); } |
| |
| inline constexpr |
| year_month_weekday operator+(const year_month_weekday& __lhs, const years& __rhs) noexcept |
| { return year_month_weekday{__lhs.year() + __rhs, __lhs.month(), __lhs.weekday_indexed()}; } |
| |
| inline constexpr |
| year_month_weekday operator+(const years& __lhs, const year_month_weekday& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| inline constexpr |
| year_month_weekday operator-(const year_month_weekday& __lhs, const years& __rhs) noexcept |
| { return __lhs + (-__rhs); } |
| |
| |
| inline constexpr year_month_weekday& year_month_weekday::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; } |
| inline constexpr year_month_weekday& year_month_weekday::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; } |
| inline constexpr year_month_weekday& year_month_weekday::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; } |
| inline constexpr year_month_weekday& year_month_weekday::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; } |
| |
| class year_month_weekday_last { |
| private: |
| chrono::year __y; |
| chrono::month __m; |
| chrono::weekday_last __wdl; |
| public: |
| constexpr year_month_weekday_last(const chrono::year& __yval, const chrono::month& __mval, |
| const chrono::weekday_last& __wdlval) noexcept |
| : __y{__yval}, __m{__mval}, __wdl{__wdlval} {} |
| constexpr year_month_weekday_last& operator+=(const months& __dm) noexcept; |
| constexpr year_month_weekday_last& operator-=(const months& __dm) noexcept; |
| constexpr year_month_weekday_last& operator+=(const years& __dy) noexcept; |
| constexpr year_month_weekday_last& operator-=(const years& __dy) noexcept; |
| |
| inline constexpr chrono::year year() const noexcept { return __y; } |
| inline constexpr chrono::month month() const noexcept { return __m; } |
| inline constexpr chrono::weekday weekday() const noexcept { return __wdl.weekday(); } |
| inline constexpr chrono::weekday_last weekday_last() const noexcept { return __wdl; } |
| inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; } |
| inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; } |
| inline constexpr bool ok() const noexcept { return __y.ok() && __m.ok() && __wdl.ok(); } |
| |
| constexpr days __to_days() const noexcept; |
| |
| }; |
| |
| inline constexpr |
| days year_month_weekday_last::__to_days() const noexcept |
| { |
| const sys_days __last = sys_days{__y/__m/last}; |
| return (__last - (chrono::weekday{__last} - __wdl.weekday())).time_since_epoch(); |
| |
| } |
| |
| inline constexpr |
| bool operator==(const year_month_weekday_last& __lhs, const year_month_weekday_last& __rhs) noexcept |
| { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.weekday_last() == __rhs.weekday_last(); } |
| |
| inline constexpr |
| bool operator!=(const year_month_weekday_last& __lhs, const year_month_weekday_last& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| |
| inline constexpr |
| year_month_weekday_last operator/(const year_month& __lhs, const weekday_last& __rhs) noexcept |
| { return year_month_weekday_last{__lhs.year(), __lhs.month(), __rhs}; } |
| |
| inline constexpr |
| year_month_weekday_last operator/(const year& __lhs, const month_weekday_last& __rhs) noexcept |
| { return year_month_weekday_last{__lhs, __rhs.month(), __rhs.weekday_last()}; } |
| |
| inline constexpr |
| year_month_weekday_last operator/(int __lhs, const month_weekday_last& __rhs) noexcept |
| { return year(__lhs) / __rhs; } |
| |
| inline constexpr |
| year_month_weekday_last operator/(const month_weekday_last& __lhs, const year& __rhs) noexcept |
| { return __rhs / __lhs; } |
| |
| inline constexpr |
| year_month_weekday_last operator/(const month_weekday_last& __lhs, int __rhs) noexcept |
| { return year(__rhs) / __lhs; } |
| |
| |
| inline constexpr |
| year_month_weekday_last operator+(const year_month_weekday_last& __lhs, const months& __rhs) noexcept |
| { return (__lhs.year() / __lhs.month() + __rhs) / __lhs.weekday_last(); } |
| |
| inline constexpr |
| year_month_weekday_last operator+(const months& __lhs, const year_month_weekday_last& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| inline constexpr |
| year_month_weekday_last operator-(const year_month_weekday_last& __lhs, const months& __rhs) noexcept |
| { return __lhs + (-__rhs); } |
| |
| inline constexpr |
| year_month_weekday_last operator+(const year_month_weekday_last& __lhs, const years& __rhs) noexcept |
| { return year_month_weekday_last{__lhs.year() + __rhs, __lhs.month(), __lhs.weekday_last()}; } |
| |
| inline constexpr |
| year_month_weekday_last operator+(const years& __lhs, const year_month_weekday_last& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| inline constexpr |
| year_month_weekday_last operator-(const year_month_weekday_last& __lhs, const years& __rhs) noexcept |
| { return __lhs + (-__rhs); } |
| |
| inline constexpr year_month_weekday_last& year_month_weekday_last::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; } |
| inline constexpr year_month_weekday_last& year_month_weekday_last::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; } |
| inline constexpr year_month_weekday_last& year_month_weekday_last::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; } |
| inline constexpr year_month_weekday_last& year_month_weekday_last::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; } |
| |
| |
| template <class _Duration> |
| class hh_mm_ss |
| { |
| private: |
| static_assert(__is_duration<_Duration>::value, "template parameter of hh_mm_ss must be a std::chrono::duration"); |
| using __CommonType = common_type_t<_Duration, chrono::seconds>; |
| |
| static constexpr uint64_t __pow10(unsigned __exp) |
| { |
| uint64_t __ret = 1; |
| for (unsigned __i = 0; __i < __exp; ++__i) |
| __ret *= 10U; |
| return __ret; |
| } |
| |
| static constexpr unsigned __width(uint64_t __n, uint64_t __d = 10, unsigned __w = 0) |
| { |
| if (__n >= 2 && __d != 0 && __w < 19) |
| return 1 + __width(__n, __d % __n * 10, __w+1); |
| return 0; |
| } |
| |
| public: |
| static unsigned constexpr fractional_width = __width(__CommonType::period::den) < 19 ? |
| __width(__CommonType::period::den) : 6u; |
| using precision = duration<typename __CommonType::rep, ratio<1, __pow10(fractional_width)>>; |
| |
| constexpr hh_mm_ss() noexcept : hh_mm_ss{_Duration::zero()} {} |
| |
| constexpr explicit hh_mm_ss(_Duration __d) noexcept : |
| __is_neg(__d < _Duration(0)), |
| __h(duration_cast<chrono::hours> (abs(__d))), |
| __m(duration_cast<chrono::minutes>(abs(__d) - hours())), |
| __s(duration_cast<chrono::seconds>(abs(__d) - hours() - minutes())), |
| __f(duration_cast<precision> (abs(__d) - hours() - minutes() - seconds())) |
| {} |
| |
| constexpr bool is_negative() const noexcept { return __is_neg; } |
| constexpr chrono::hours hours() const noexcept { return __h; } |
| constexpr chrono::minutes minutes() const noexcept { return __m; } |
| constexpr chrono::seconds seconds() const noexcept { return __s; } |
| constexpr precision subseconds() const noexcept { return __f; } |
| |
| constexpr precision to_duration() const noexcept |
| { |
| auto __dur = __h + __m + __s + __f; |
| return __is_neg ? -__dur : __dur; |
| }
|