| // -*- C++ -*- |
| //===---------------------------- chrono ----------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #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> 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(); |
| static constexpr Rep max(); |
| static constexpr Rep min(); |
| }; |
| |
| // 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 Period 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 duration operator+() const; |
| constexpr duration operator-() const; |
| duration& operator++(); |
| duration operator++(int); |
| duration& operator--(); |
| duration operator--(int); |
| |
| duration& operator+=(const duration& d); |
| duration& operator-=(const duration& d); |
| |
| duration& operator*=(const rep& rhs); |
| duration& operator/=(const rep& rhs); |
| |
| // special values |
| |
| static constexpr duration zero(); |
| static constexpr duration min(); |
| static constexpr duration 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; |
| |
| 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); |
| time_point& operator-=(const duration& d); |
| |
| // special values |
| |
| static constexpr time_point min(); |
| static constexpr time_point max(); |
| }; |
| |
| } // 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 |
| |
| // 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; |
| }; |
| |
| 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; |
| |
| } // chrono |
| |
| 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 |
| |
| } // std |
| */ |
| |
| #include <__config> |
| #include <ctime> |
| #include <type_traits> |
| #include <ratio> |
| #include <limits> |
| |
| #include <__undef_min_max> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| namespace chrono |
| { |
| |
| template <class _Rep, class _Period = ratio<1> > class _LIBCPP_TYPE_VIS_ONLY 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_TYPE_VIS_ONLY 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_TYPE_VIS_ONLY treat_as_floating_point : is_floating_point<_Rep> {}; |
| |
| #if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES) |
| template <class _Rep> _LIBCPP_CONSTEXPR bool treat_as_floating_point_v |
| = treat_as_floating_point<_Rep>::value; |
| #endif |
| |
| template <class _Rep> |
| struct _LIBCPP_TYPE_VIS_ONLY duration_values |
| { |
| public: |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep zero() {return _Rep(0);} |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep max() {return numeric_limits<_Rep>::max();} |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep min() {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_TYPE_VIS_ONLY 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 _Period 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* = 0) |
| : __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* = 0) |
| : __rep_(_VSTD::chrono::duration_cast<duration>(__d).count()) {} |
| |
| // observer |
| |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR rep count() const {return __rep_;} |
| |
| // arithmetic |
| |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR duration operator+() const {return *this;} |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR duration operator-() const {return duration(-__rep_);} |
| _LIBCPP_INLINE_VISIBILITY duration& operator++() {++__rep_; return *this;} |
| _LIBCPP_INLINE_VISIBILITY duration operator++(int) {return duration(__rep_++);} |
| _LIBCPP_INLINE_VISIBILITY duration& operator--() {--__rep_; return *this;} |
| _LIBCPP_INLINE_VISIBILITY duration operator--(int) {return duration(__rep_--);} |
| |
| _LIBCPP_INLINE_VISIBILITY duration& operator+=(const duration& __d) {__rep_ += __d.count(); return *this;} |
| _LIBCPP_INLINE_VISIBILITY duration& operator-=(const duration& __d) {__rep_ -= __d.count(); return *this;} |
| |
| _LIBCPP_INLINE_VISIBILITY duration& operator*=(const rep& rhs) {__rep_ *= rhs; return *this;} |
| _LIBCPP_INLINE_VISIBILITY duration& operator/=(const rep& rhs) {__rep_ /= rhs; return *this;} |
| _LIBCPP_INLINE_VISIBILITY duration& operator%=(const rep& rhs) {__rep_ %= rhs; return *this;} |
| _LIBCPP_INLINE_VISIBILITY duration& operator%=(const duration& rhs) {__rep_ %= rhs.count(); return *this;} |
| |
| // special values |
| |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration zero() {return duration(duration_values<rep>::zero());} |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration min() {return duration(duration_values<rep>::min());} |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration max() {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; |
| |
| // 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 _Duration, class _Rep, bool = __is_duration<_Rep>::value> |
| struct __duration_divide_result |
| { |
| }; |
| |
| template <class _Duration, class _Rep2, |
| bool = is_convertible<_Rep2, |
| typename common_type<typename _Duration::rep, _Rep2>::type>::value> |
| struct __duration_divide_imp |
| { |
| }; |
| |
| template <class _Rep1, class _Period, class _Rep2> |
| struct __duration_divide_imp<duration<_Rep1, _Period>, _Rep2, true> |
| { |
| typedef duration<typename common_type<_Rep1, _Rep2>::type, _Period> type; |
| }; |
| |
| template <class _Rep1, class _Period, class _Rep2> |
| struct __duration_divide_result<duration<_Rep1, _Period>, _Rep2, false> |
| : __duration_divide_imp<duration<_Rep1, _Period>, _Rep2> |
| { |
| }; |
| |
| template <class _Rep1, class _Period, class _Rep2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| _LIBCPP_CONSTEXPR |
| typename __duration_divide_result<duration<_Rep1, _Period>, _Rep2>::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 __duration_divide_result<duration<_Rep1, _Period>, _Rep2>::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_TYPE_VIS_ONLY 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* = 0) |
| : __d_(t.time_since_epoch()) {} |
| |
| // observer |
| |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 duration time_since_epoch() const {return __d_;} |
| |
| // arithmetic |
| |
| _LIBCPP_INLINE_VISIBILITY time_point& operator+=(const duration& __d) {__d_ += __d; return *this;} |
| _LIBCPP_INLINE_VISIBILITY time_point& operator-=(const duration& __d) {__d_ -= __d; return *this;} |
| |
| // special values |
| |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point min() {return time_point(duration::min());} |
| _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point max() {return time_point(duration::max());} |
| }; |
| |
| } // chrono |
| |
| template <class _Clock, class _Duration1, class _Duration2> |
| struct _LIBCPP_TYPE_VIS_ONLY 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>(_VSTD::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 |
| |
| } // chrono |
| |
| #if _LIBCPP_STD_VER > 11 |
| // Suffixes for duration literals [time.duration.literals] |
| inline namespace literals |
| { |
| inline namespace chrono_literals |
| { |
| |
| constexpr chrono::hours operator"" h(unsigned long long __h) |
| { |
| return chrono::hours(static_cast<chrono::hours::rep>(__h)); |
| } |
| |
| constexpr chrono::duration<long double, ratio<3600,1>> operator"" h(long double __h) |
| { |
| return chrono::duration<long double, ratio<3600,1>>(__h); |
| } |
| |
| |
| constexpr chrono::minutes operator"" min(unsigned long long __m) |
| { |
| return chrono::minutes(static_cast<chrono::minutes::rep>(__m)); |
| } |
| |
| constexpr chrono::duration<long double, ratio<60,1>> operator"" min(long double __m) |
| { |
| return chrono::duration<long double, ratio<60,1>> (__m); |
| } |
| |
| |
| constexpr chrono::seconds operator"" s(unsigned long long __s) |
| { |
| return chrono::seconds(static_cast<chrono::seconds::rep>(__s)); |
| } |
| |
| constexpr chrono::duration<long double> operator"" s(long double __s) |
| { |
| return chrono::duration<long double> (__s); |
| } |
| |
| |
| constexpr chrono::milliseconds operator"" ms(unsigned long long __ms) |
| { |
| return chrono::milliseconds(static_cast<chrono::milliseconds::rep>(__ms)); |
| } |
| |
| constexpr chrono::duration<long double, milli> operator"" ms(long double __ms) |
| { |
| return chrono::duration<long double, milli>(__ms); |
| } |
| |
| |
| constexpr chrono::microseconds operator"" us(unsigned long long __us) |
| { |
| return chrono::microseconds(static_cast<chrono::microseconds::rep>(__us)); |
| } |
| |
| constexpr chrono::duration<long double, micro> operator"" us(long double __us) |
| { |
| return chrono::duration<long double, micro> (__us); |
| } |
| |
| |
| constexpr chrono::nanoseconds operator"" ns(unsigned long long __ns) |
| { |
| return chrono::nanoseconds(static_cast<chrono::nanoseconds::rep>(__ns)); |
| } |
| |
| constexpr chrono::duration<long double, nano> operator"" ns(long double __ns) |
| { |
| return chrono::duration<long double, nano> (__ns); |
| } |
| |
| }} |
| |
| namespace chrono { // hoist the literals into namespace std::chrono |
| using namespace literals::chrono_literals; |
| } |
| |
| #endif |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP_CHRONO |
