104eeddc0SDimitry Andric // -*- C++ -*- 204eeddc0SDimitry Andric //===----------------------------------------------------------------------===// 304eeddc0SDimitry Andric // 404eeddc0SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 504eeddc0SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 604eeddc0SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 704eeddc0SDimitry Andric // 804eeddc0SDimitry Andric //===----------------------------------------------------------------------===// 904eeddc0SDimitry Andric 1004eeddc0SDimitry Andric #ifndef _LIBCPP___CHRONO_DURATION_H 1104eeddc0SDimitry Andric #define _LIBCPP___CHRONO_DURATION_H 1204eeddc0SDimitry Andric 1306c3fb27SDimitry Andric #include <__compare/ordering.h> 1406c3fb27SDimitry Andric #include <__compare/three_way_comparable.h> 1504eeddc0SDimitry Andric #include <__config> 16bdd1243dSDimitry Andric #include <__type_traits/common_type.h> 17bdd1243dSDimitry Andric #include <__type_traits/enable_if.h> 18bdd1243dSDimitry Andric #include <__type_traits/is_convertible.h> 19bdd1243dSDimitry Andric #include <__type_traits/is_floating_point.h> 2004eeddc0SDimitry Andric #include <limits> 2104eeddc0SDimitry Andric #include <ratio> 2204eeddc0SDimitry Andric 2304eeddc0SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 2404eeddc0SDimitry Andric # pragma GCC system_header 2504eeddc0SDimitry Andric #endif 2604eeddc0SDimitry Andric 2704eeddc0SDimitry Andric _LIBCPP_PUSH_MACROS 2804eeddc0SDimitry Andric #include <__undef_macros> 2904eeddc0SDimitry Andric 3004eeddc0SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 3104eeddc0SDimitry Andric 32*cb14a3feSDimitry Andric namespace chrono { 3304eeddc0SDimitry Andric 34*cb14a3feSDimitry Andric template <class _Rep, class _Period = ratio<1> > 35*cb14a3feSDimitry Andric class _LIBCPP_TEMPLATE_VIS duration; 3604eeddc0SDimitry Andric 3704eeddc0SDimitry Andric template <class _Tp> 3804eeddc0SDimitry Andric struct __is_duration : false_type {}; 3904eeddc0SDimitry Andric 4004eeddc0SDimitry Andric template <class _Rep, class _Period> 4104eeddc0SDimitry Andric struct __is_duration<duration<_Rep, _Period> > : true_type {}; 4204eeddc0SDimitry Andric 4304eeddc0SDimitry Andric template <class _Rep, class _Period> 4404eeddc0SDimitry Andric struct __is_duration<const duration<_Rep, _Period> > : true_type {}; 4504eeddc0SDimitry Andric 4604eeddc0SDimitry Andric template <class _Rep, class _Period> 4704eeddc0SDimitry Andric struct __is_duration<volatile duration<_Rep, _Period> > : true_type {}; 4804eeddc0SDimitry Andric 4904eeddc0SDimitry Andric template <class _Rep, class _Period> 5004eeddc0SDimitry Andric struct __is_duration<const volatile duration<_Rep, _Period> > : true_type {}; 5104eeddc0SDimitry Andric 5204eeddc0SDimitry Andric } // namespace chrono 5304eeddc0SDimitry Andric 5404eeddc0SDimitry Andric template <class _Rep1, class _Period1, class _Rep2, class _Period2> 55*cb14a3feSDimitry Andric struct _LIBCPP_TEMPLATE_VIS common_type<chrono::duration<_Rep1, _Period1>, chrono::duration<_Rep2, _Period2> > { 56*cb14a3feSDimitry Andric typedef chrono::duration<typename common_type<_Rep1, _Rep2>::type, typename __ratio_gcd<_Period1, _Period2>::type> 57*cb14a3feSDimitry Andric type; 5804eeddc0SDimitry Andric }; 5904eeddc0SDimitry Andric 6004eeddc0SDimitry Andric namespace chrono { 6104eeddc0SDimitry Andric 6204eeddc0SDimitry Andric // duration_cast 6304eeddc0SDimitry Andric 64*cb14a3feSDimitry Andric template <class _FromDuration, 65*cb14a3feSDimitry Andric class _ToDuration, 6604eeddc0SDimitry Andric class _Period = typename ratio_divide<typename _FromDuration::period, typename _ToDuration::period>::type, 6704eeddc0SDimitry Andric bool = _Period::num == 1, 6804eeddc0SDimitry Andric bool = _Period::den == 1> 6904eeddc0SDimitry Andric struct __duration_cast; 7004eeddc0SDimitry Andric 7104eeddc0SDimitry Andric template <class _FromDuration, class _ToDuration, class _Period> 72*cb14a3feSDimitry Andric struct __duration_cast<_FromDuration, _ToDuration, _Period, true, true> { 73*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration operator()(const _FromDuration& __fd) const { 7404eeddc0SDimitry Andric return _ToDuration(static_cast<typename _ToDuration::rep>(__fd.count())); 7504eeddc0SDimitry Andric } 7604eeddc0SDimitry Andric }; 7704eeddc0SDimitry Andric 7804eeddc0SDimitry Andric template <class _FromDuration, class _ToDuration, class _Period> 79*cb14a3feSDimitry Andric struct __duration_cast<_FromDuration, _ToDuration, _Period, true, false> { 80*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration operator()(const _FromDuration& __fd) const { 8104eeddc0SDimitry Andric typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; 82*cb14a3feSDimitry Andric return _ToDuration( 83*cb14a3feSDimitry Andric static_cast<typename _ToDuration::rep>(static_cast<_Ct>(__fd.count()) / static_cast<_Ct>(_Period::den))); 8404eeddc0SDimitry Andric } 8504eeddc0SDimitry Andric }; 8604eeddc0SDimitry Andric 8704eeddc0SDimitry Andric template <class _FromDuration, class _ToDuration, class _Period> 88*cb14a3feSDimitry Andric struct __duration_cast<_FromDuration, _ToDuration, _Period, false, true> { 89*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration operator()(const _FromDuration& __fd) const { 9004eeddc0SDimitry Andric typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; 91*cb14a3feSDimitry Andric return _ToDuration( 92*cb14a3feSDimitry Andric static_cast<typename _ToDuration::rep>(static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num))); 9304eeddc0SDimitry Andric } 9404eeddc0SDimitry Andric }; 9504eeddc0SDimitry Andric 9604eeddc0SDimitry Andric template <class _FromDuration, class _ToDuration, class _Period> 97*cb14a3feSDimitry Andric struct __duration_cast<_FromDuration, _ToDuration, _Period, false, false> { 98*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration operator()(const _FromDuration& __fd) const { 9904eeddc0SDimitry Andric typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; 10004eeddc0SDimitry Andric return _ToDuration(static_cast<typename _ToDuration::rep>( 101*cb14a3feSDimitry Andric static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num) / static_cast<_Ct>(_Period::den))); 10204eeddc0SDimitry Andric } 10304eeddc0SDimitry Andric }; 10404eeddc0SDimitry Andric 1055f757f3fSDimitry Andric template <class _ToDuration, class _Rep, class _Period, __enable_if_t<__is_duration<_ToDuration>::value, int> = 0> 106*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration duration_cast(const duration<_Rep, _Period>& __fd) { 10704eeddc0SDimitry Andric return __duration_cast<duration<_Rep, _Period>, _ToDuration>()(__fd); 10804eeddc0SDimitry Andric } 10904eeddc0SDimitry Andric 11004eeddc0SDimitry Andric template <class _Rep> 11104eeddc0SDimitry Andric struct _LIBCPP_TEMPLATE_VIS treat_as_floating_point : is_floating_point<_Rep> {}; 11204eeddc0SDimitry Andric 11306c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 17 11404eeddc0SDimitry Andric template <class _Rep> 11504eeddc0SDimitry Andric inline constexpr bool treat_as_floating_point_v = treat_as_floating_point<_Rep>::value; 11604eeddc0SDimitry Andric #endif 11704eeddc0SDimitry Andric 11804eeddc0SDimitry Andric template <class _Rep> 119*cb14a3feSDimitry Andric struct _LIBCPP_TEMPLATE_VIS duration_values { 12004eeddc0SDimitry Andric public: 1215f757f3fSDimitry Andric _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR _Rep zero() _NOEXCEPT { return _Rep(0); } 1225f757f3fSDimitry Andric _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR _Rep max() _NOEXCEPT { return numeric_limits<_Rep>::max(); } 1235f757f3fSDimitry Andric _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR _Rep min() _NOEXCEPT { return numeric_limits<_Rep>::lowest(); } 12404eeddc0SDimitry Andric }; 12504eeddc0SDimitry Andric 12606c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 17 1275f757f3fSDimitry Andric template <class _ToDuration, class _Rep, class _Period, enable_if_t<__is_duration<_ToDuration>::value, int> = 0> 128*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration floor(const duration<_Rep, _Period>& __d) { 129bdd1243dSDimitry Andric _ToDuration __t = chrono::duration_cast<_ToDuration>(__d); 13004eeddc0SDimitry Andric if (__t > __d) 13104eeddc0SDimitry Andric __t = __t - _ToDuration{1}; 13204eeddc0SDimitry Andric return __t; 13304eeddc0SDimitry Andric } 13404eeddc0SDimitry Andric 1355f757f3fSDimitry Andric template <class _ToDuration, class _Rep, class _Period, enable_if_t<__is_duration<_ToDuration>::value, int> = 0> 136*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration ceil(const duration<_Rep, _Period>& __d) { 137bdd1243dSDimitry Andric _ToDuration __t = chrono::duration_cast<_ToDuration>(__d); 13804eeddc0SDimitry Andric if (__t < __d) 13904eeddc0SDimitry Andric __t = __t + _ToDuration{1}; 14004eeddc0SDimitry Andric return __t; 14104eeddc0SDimitry Andric } 14204eeddc0SDimitry Andric 1435f757f3fSDimitry Andric template <class _ToDuration, class _Rep, class _Period, enable_if_t<__is_duration<_ToDuration>::value, int> = 0> 144*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration round(const duration<_Rep, _Period>& __d) { 145bdd1243dSDimitry Andric _ToDuration __lower = chrono::floor<_ToDuration>(__d); 14604eeddc0SDimitry Andric _ToDuration __upper = __lower + _ToDuration{1}; 14706c3fb27SDimitry Andric auto __lower_diff = __d - __lower; 14806c3fb27SDimitry Andric auto __upper_diff = __upper - __d; 14906c3fb27SDimitry Andric if (__lower_diff < __upper_diff) 15004eeddc0SDimitry Andric return __lower; 15106c3fb27SDimitry Andric if (__lower_diff > __upper_diff) 15204eeddc0SDimitry Andric return __upper; 15304eeddc0SDimitry Andric return __lower.count() & 1 ? __upper : __lower; 15404eeddc0SDimitry Andric } 15504eeddc0SDimitry Andric #endif 15604eeddc0SDimitry Andric 15704eeddc0SDimitry Andric // duration 15804eeddc0SDimitry Andric 15904eeddc0SDimitry Andric template <class _Rep, class _Period> 160*cb14a3feSDimitry Andric class _LIBCPP_TEMPLATE_VIS duration { 16104eeddc0SDimitry Andric static_assert(!__is_duration<_Rep>::value, "A duration representation can not be a duration"); 16204eeddc0SDimitry Andric static_assert(__is_ratio<_Period>::value, "Second template parameter of duration must be a std::ratio"); 16304eeddc0SDimitry Andric static_assert(_Period::num > 0, "duration period must be positive"); 16404eeddc0SDimitry Andric 16504eeddc0SDimitry Andric template <class _R1, class _R2> 166*cb14a3feSDimitry Andric struct __no_overflow { 16704eeddc0SDimitry Andric private: 16804eeddc0SDimitry Andric static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value; 16904eeddc0SDimitry Andric static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value; 17004eeddc0SDimitry Andric static const intmax_t __n1 = _R1::num / __gcd_n1_n2; 17104eeddc0SDimitry Andric static const intmax_t __d1 = _R1::den / __gcd_d1_d2; 17204eeddc0SDimitry Andric static const intmax_t __n2 = _R2::num / __gcd_n1_n2; 17304eeddc0SDimitry Andric static const intmax_t __d2 = _R2::den / __gcd_d1_d2; 17404eeddc0SDimitry Andric static const intmax_t max = -((intmax_t(1) << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1); 17504eeddc0SDimitry Andric 17604eeddc0SDimitry Andric template <intmax_t _Xp, intmax_t _Yp, bool __overflow> 17704eeddc0SDimitry Andric struct __mul // __overflow == false 17804eeddc0SDimitry Andric { 17904eeddc0SDimitry Andric static const intmax_t value = _Xp * _Yp; 18004eeddc0SDimitry Andric }; 18104eeddc0SDimitry Andric 18204eeddc0SDimitry Andric template <intmax_t _Xp, intmax_t _Yp> 183*cb14a3feSDimitry Andric struct __mul<_Xp, _Yp, true> { 18404eeddc0SDimitry Andric static const intmax_t value = 1; 18504eeddc0SDimitry Andric }; 18604eeddc0SDimitry Andric 18704eeddc0SDimitry Andric public: 18804eeddc0SDimitry Andric static const bool value = (__n1 <= max / __d2) && (__n2 <= max / __d1); 189*cb14a3feSDimitry Andric typedef ratio<__mul<__n1, __d2, !value>::value, __mul<__n2, __d1, !value>::value> type; 19004eeddc0SDimitry Andric }; 19104eeddc0SDimitry Andric 19204eeddc0SDimitry Andric public: 19304eeddc0SDimitry Andric typedef _Rep rep; 19404eeddc0SDimitry Andric typedef typename _Period::type period; 195*cb14a3feSDimitry Andric 19604eeddc0SDimitry Andric private: 19704eeddc0SDimitry Andric rep __rep_; 19804eeddc0SDimitry Andric 199*cb14a3feSDimitry Andric public: 20004eeddc0SDimitry Andric #ifndef _LIBCPP_CXX03_LANG 20106c3fb27SDimitry Andric constexpr duration() = default; 20204eeddc0SDimitry Andric #else 20306c3fb27SDimitry Andric _LIBCPP_HIDE_FROM_ABI duration() {} 20404eeddc0SDimitry Andric #endif 20504eeddc0SDimitry Andric 206*cb14a3feSDimitry Andric template <class _Rep2, 207*cb14a3feSDimitry Andric __enable_if_t<is_convertible<const _Rep2&, rep>::value && 208*cb14a3feSDimitry Andric (treat_as_floating_point<rep>::value || !treat_as_floating_point<_Rep2>::value), 209*cb14a3feSDimitry Andric int> = 0> 210*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR explicit duration(const _Rep2& __r) : __rep_(__r) {} 21104eeddc0SDimitry Andric 21204eeddc0SDimitry Andric // conversions 213*cb14a3feSDimitry Andric template <class _Rep2, 214*cb14a3feSDimitry Andric class _Period2, 215*cb14a3feSDimitry Andric __enable_if_t<__no_overflow<_Period2, period>::value && (treat_as_floating_point<rep>::value || 21604eeddc0SDimitry Andric (__no_overflow<_Period2, period>::type::den == 1 && 217*cb14a3feSDimitry Andric !treat_as_floating_point<_Rep2>::value)), 218*cb14a3feSDimitry Andric int> = 0> 219*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR duration(const duration<_Rep2, _Period2>& __d) 22004eeddc0SDimitry Andric : __rep_(chrono::duration_cast<duration>(__d).count()) {} 22104eeddc0SDimitry Andric 22204eeddc0SDimitry Andric // observer 22304eeddc0SDimitry Andric 2245f757f3fSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR rep count() const { return __rep_; } 22504eeddc0SDimitry Andric 22604eeddc0SDimitry Andric // arithmetic 22704eeddc0SDimitry Andric 228*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR typename common_type<duration>::type operator+() const { 229*cb14a3feSDimitry Andric return typename common_type<duration>::type(*this); 230*cb14a3feSDimitry Andric } 231*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR typename common_type<duration>::type operator-() const { 232*cb14a3feSDimitry Andric return typename common_type<duration>::type(-__rep_); 233*cb14a3feSDimitry Andric } 234*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator++() { 235*cb14a3feSDimitry Andric ++__rep_; 236*cb14a3feSDimitry Andric return *this; 237*cb14a3feSDimitry Andric } 2385f757f3fSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration operator++(int) { return duration(__rep_++); } 239*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator--() { 240*cb14a3feSDimitry Andric --__rep_; 241*cb14a3feSDimitry Andric return *this; 242*cb14a3feSDimitry Andric } 2435f757f3fSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration operator--(int) { return duration(__rep_--); } 24404eeddc0SDimitry Andric 245*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator+=(const duration& __d) { 246*cb14a3feSDimitry Andric __rep_ += __d.count(); 247*cb14a3feSDimitry Andric return *this; 248*cb14a3feSDimitry Andric } 249*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator-=(const duration& __d) { 250*cb14a3feSDimitry Andric __rep_ -= __d.count(); 251*cb14a3feSDimitry Andric return *this; 252*cb14a3feSDimitry Andric } 25304eeddc0SDimitry Andric 254*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator*=(const rep& __rhs) { 255*cb14a3feSDimitry Andric __rep_ *= __rhs; 256*cb14a3feSDimitry Andric return *this; 257*cb14a3feSDimitry Andric } 258*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator/=(const rep& __rhs) { 259*cb14a3feSDimitry Andric __rep_ /= __rhs; 260*cb14a3feSDimitry Andric return *this; 261*cb14a3feSDimitry Andric } 262*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator%=(const rep& __rhs) { 263*cb14a3feSDimitry Andric __rep_ %= __rhs; 264*cb14a3feSDimitry Andric return *this; 265*cb14a3feSDimitry Andric } 266*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator%=(const duration& __rhs) { 267*cb14a3feSDimitry Andric __rep_ %= __rhs.count(); 268*cb14a3feSDimitry Andric return *this; 269*cb14a3feSDimitry Andric } 27004eeddc0SDimitry Andric 27104eeddc0SDimitry Andric // special values 27204eeddc0SDimitry Andric 273*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR duration zero() _NOEXCEPT { 274*cb14a3feSDimitry Andric return duration(duration_values<rep>::zero()); 275*cb14a3feSDimitry Andric } 276*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR duration min() _NOEXCEPT { 277*cb14a3feSDimitry Andric return duration(duration_values<rep>::min()); 278*cb14a3feSDimitry Andric } 279*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR duration max() _NOEXCEPT { 280*cb14a3feSDimitry Andric return duration(duration_values<rep>::max()); 281*cb14a3feSDimitry Andric } 28204eeddc0SDimitry Andric }; 28304eeddc0SDimitry Andric 28404eeddc0SDimitry Andric typedef duration<long long, nano> nanoseconds; 28504eeddc0SDimitry Andric typedef duration<long long, micro> microseconds; 28604eeddc0SDimitry Andric typedef duration<long long, milli> milliseconds; 28704eeddc0SDimitry Andric typedef duration<long long > seconds; 28804eeddc0SDimitry Andric typedef duration< long, ratio< 60> > minutes; 28904eeddc0SDimitry Andric typedef duration< long, ratio<3600> > hours; 29006c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 29104eeddc0SDimitry Andric typedef duration< int, ratio_multiply<ratio<24>, hours::period>> days; 29204eeddc0SDimitry Andric typedef duration< int, ratio_multiply<ratio<7>, days::period>> weeks; 29304eeddc0SDimitry Andric typedef duration< int, ratio_multiply<ratio<146097, 400>, days::period>> years; 29404eeddc0SDimitry Andric typedef duration< int, ratio_divide<years::period, ratio<12>>> months; 29504eeddc0SDimitry Andric #endif 29604eeddc0SDimitry Andric // Duration == 29704eeddc0SDimitry Andric 29804eeddc0SDimitry Andric template <class _LhsDuration, class _RhsDuration> 299*cb14a3feSDimitry Andric struct __duration_eq { 300*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const { 30104eeddc0SDimitry Andric typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct; 30204eeddc0SDimitry Andric return _Ct(__lhs).count() == _Ct(__rhs).count(); 30304eeddc0SDimitry Andric } 30404eeddc0SDimitry Andric }; 30504eeddc0SDimitry Andric 30604eeddc0SDimitry Andric template <class _LhsDuration> 307*cb14a3feSDimitry Andric struct __duration_eq<_LhsDuration, _LhsDuration> { 308*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const { 309*cb14a3feSDimitry Andric return __lhs.count() == __rhs.count(); 310*cb14a3feSDimitry Andric } 31104eeddc0SDimitry Andric }; 31204eeddc0SDimitry Andric 31304eeddc0SDimitry Andric template <class _Rep1, class _Period1, class _Rep2, class _Period2> 314*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool 315*cb14a3feSDimitry Andric operator==(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { 31604eeddc0SDimitry Andric return __duration_eq<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs); 31704eeddc0SDimitry Andric } 31804eeddc0SDimitry Andric 31906c3fb27SDimitry Andric #if _LIBCPP_STD_VER <= 17 32006c3fb27SDimitry Andric 32104eeddc0SDimitry Andric // Duration != 32204eeddc0SDimitry Andric 32304eeddc0SDimitry Andric template <class _Rep1, class _Period1, class _Rep2, class _Period2> 324*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool 325*cb14a3feSDimitry Andric operator!=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { 32604eeddc0SDimitry Andric return !(__lhs == __rhs); 32704eeddc0SDimitry Andric } 32804eeddc0SDimitry Andric 32906c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER <= 17 33006c3fb27SDimitry Andric 33104eeddc0SDimitry Andric // Duration < 33204eeddc0SDimitry Andric 33304eeddc0SDimitry Andric template <class _LhsDuration, class _RhsDuration> 334*cb14a3feSDimitry Andric struct __duration_lt { 335*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const { 33604eeddc0SDimitry Andric typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct; 33704eeddc0SDimitry Andric return _Ct(__lhs).count() < _Ct(__rhs).count(); 33804eeddc0SDimitry Andric } 33904eeddc0SDimitry Andric }; 34004eeddc0SDimitry Andric 34104eeddc0SDimitry Andric template <class _LhsDuration> 342*cb14a3feSDimitry Andric struct __duration_lt<_LhsDuration, _LhsDuration> { 343*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const { 344*cb14a3feSDimitry Andric return __lhs.count() < __rhs.count(); 345*cb14a3feSDimitry Andric } 34604eeddc0SDimitry Andric }; 34704eeddc0SDimitry Andric 34804eeddc0SDimitry Andric template <class _Rep1, class _Period1, class _Rep2, class _Period2> 349*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool 350*cb14a3feSDimitry Andric operator<(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { 35104eeddc0SDimitry Andric return __duration_lt<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs); 35204eeddc0SDimitry Andric } 35304eeddc0SDimitry Andric 35404eeddc0SDimitry Andric // Duration > 35504eeddc0SDimitry Andric 35604eeddc0SDimitry Andric template <class _Rep1, class _Period1, class _Rep2, class _Period2> 357*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool 358*cb14a3feSDimitry Andric operator>(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { 35904eeddc0SDimitry Andric return __rhs < __lhs; 36004eeddc0SDimitry Andric } 36104eeddc0SDimitry Andric 36204eeddc0SDimitry Andric // Duration <= 36304eeddc0SDimitry Andric 36404eeddc0SDimitry Andric template <class _Rep1, class _Period1, class _Rep2, class _Period2> 365*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool 366*cb14a3feSDimitry Andric operator<=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { 36704eeddc0SDimitry Andric return !(__rhs < __lhs); 36804eeddc0SDimitry Andric } 36904eeddc0SDimitry Andric 37004eeddc0SDimitry Andric // Duration >= 37104eeddc0SDimitry Andric 37204eeddc0SDimitry Andric template <class _Rep1, class _Period1, class _Rep2, class _Period2> 373*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool 374*cb14a3feSDimitry Andric operator>=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { 37504eeddc0SDimitry Andric return !(__lhs < __rhs); 37604eeddc0SDimitry Andric } 37704eeddc0SDimitry Andric 37806c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 37906c3fb27SDimitry Andric 38006c3fb27SDimitry Andric template <class _Rep1, class _Period1, class _Rep2, class _Period2> 38106c3fb27SDimitry Andric requires three_way_comparable<common_type_t<_Rep1, _Rep2>> 382*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr auto 383*cb14a3feSDimitry Andric operator<=>(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { 38406c3fb27SDimitry Andric using _Ct = common_type_t<duration<_Rep1, _Period1>, duration<_Rep2, _Period2>>; 38506c3fb27SDimitry Andric return _Ct(__lhs).count() <=> _Ct(__rhs).count(); 38606c3fb27SDimitry Andric } 38706c3fb27SDimitry Andric 38806c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20 38906c3fb27SDimitry Andric 39004eeddc0SDimitry Andric // Duration + 39104eeddc0SDimitry Andric 39204eeddc0SDimitry Andric template <class _Rep1, class _Period1, class _Rep2, class _Period2> 393*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR 39404eeddc0SDimitry Andric typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type 395*cb14a3feSDimitry Andric operator+(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { 39604eeddc0SDimitry Andric typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd; 39704eeddc0SDimitry Andric return _Cd(_Cd(__lhs).count() + _Cd(__rhs).count()); 39804eeddc0SDimitry Andric } 39904eeddc0SDimitry Andric 40004eeddc0SDimitry Andric // Duration - 40104eeddc0SDimitry Andric 40204eeddc0SDimitry Andric template <class _Rep1, class _Period1, class _Rep2, class _Period2> 403*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR 40404eeddc0SDimitry Andric typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type 405*cb14a3feSDimitry Andric operator-(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { 40604eeddc0SDimitry Andric typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd; 40704eeddc0SDimitry Andric return _Cd(_Cd(__lhs).count() - _Cd(__rhs).count()); 40804eeddc0SDimitry Andric } 40904eeddc0SDimitry Andric 41004eeddc0SDimitry Andric // Duration * 41104eeddc0SDimitry Andric 412*cb14a3feSDimitry Andric template <class _Rep1, 413*cb14a3feSDimitry Andric class _Period, 414*cb14a3feSDimitry Andric class _Rep2, 4155f757f3fSDimitry Andric __enable_if_t<is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value, int> = 0> 416*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR duration<typename common_type<_Rep1, _Rep2>::type, _Period> 417*cb14a3feSDimitry Andric operator*(const duration<_Rep1, _Period>& __d, const _Rep2& __s) { 41804eeddc0SDimitry Andric typedef typename common_type<_Rep1, _Rep2>::type _Cr; 41904eeddc0SDimitry Andric typedef duration<_Cr, _Period> _Cd; 42004eeddc0SDimitry Andric return _Cd(_Cd(__d).count() * static_cast<_Cr>(__s)); 42104eeddc0SDimitry Andric } 42204eeddc0SDimitry Andric 423*cb14a3feSDimitry Andric template <class _Rep1, 424*cb14a3feSDimitry Andric class _Period, 425*cb14a3feSDimitry Andric class _Rep2, 4265f757f3fSDimitry Andric __enable_if_t<is_convertible<_Rep1, typename common_type<_Rep1, _Rep2>::type>::value, int> = 0> 427*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR duration<typename common_type<_Rep1, _Rep2>::type, _Period> 428*cb14a3feSDimitry Andric operator*(const _Rep1& __s, const duration<_Rep2, _Period>& __d) { 42904eeddc0SDimitry Andric return __d * __s; 43004eeddc0SDimitry Andric } 43104eeddc0SDimitry Andric 43204eeddc0SDimitry Andric // Duration / 43304eeddc0SDimitry Andric 434*cb14a3feSDimitry Andric template <class _Rep1, 435*cb14a3feSDimitry Andric class _Period, 436*cb14a3feSDimitry Andric class _Rep2, 437*cb14a3feSDimitry Andric __enable_if_t<!__is_duration<_Rep2>::value && 438*cb14a3feSDimitry Andric is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value, 439*cb14a3feSDimitry Andric int> = 0> 440*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR duration<typename common_type<_Rep1, _Rep2>::type, _Period> 441*cb14a3feSDimitry Andric operator/(const duration<_Rep1, _Period>& __d, const _Rep2& __s) { 44204eeddc0SDimitry Andric typedef typename common_type<_Rep1, _Rep2>::type _Cr; 44304eeddc0SDimitry Andric typedef duration<_Cr, _Period> _Cd; 44404eeddc0SDimitry Andric return _Cd(_Cd(__d).count() / static_cast<_Cr>(__s)); 44504eeddc0SDimitry Andric } 44604eeddc0SDimitry Andric 44704eeddc0SDimitry Andric template <class _Rep1, class _Period1, class _Rep2, class _Period2> 448*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR typename common_type<_Rep1, _Rep2>::type 449*cb14a3feSDimitry Andric operator/(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { 45004eeddc0SDimitry Andric typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Ct; 45104eeddc0SDimitry Andric return _Ct(__lhs).count() / _Ct(__rhs).count(); 45204eeddc0SDimitry Andric } 45304eeddc0SDimitry Andric 45404eeddc0SDimitry Andric // Duration % 45504eeddc0SDimitry Andric 456*cb14a3feSDimitry Andric template <class _Rep1, 457*cb14a3feSDimitry Andric class _Period, 458*cb14a3feSDimitry Andric class _Rep2, 459*cb14a3feSDimitry Andric __enable_if_t<!__is_duration<_Rep2>::value && 460*cb14a3feSDimitry Andric is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value, 461*cb14a3feSDimitry Andric int> = 0> 462*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR duration<typename common_type<_Rep1, _Rep2>::type, _Period> 463*cb14a3feSDimitry Andric operator%(const duration<_Rep1, _Period>& __d, const _Rep2& __s) { 46404eeddc0SDimitry Andric typedef typename common_type<_Rep1, _Rep2>::type _Cr; 46504eeddc0SDimitry Andric typedef duration<_Cr, _Period> _Cd; 46604eeddc0SDimitry Andric return _Cd(_Cd(__d).count() % static_cast<_Cr>(__s)); 46704eeddc0SDimitry Andric } 46804eeddc0SDimitry Andric 46904eeddc0SDimitry Andric template <class _Rep1, class _Period1, class _Rep2, class _Period2> 470*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR 47104eeddc0SDimitry Andric typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type 472*cb14a3feSDimitry Andric operator%(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { 47304eeddc0SDimitry Andric typedef typename common_type<_Rep1, _Rep2>::type _Cr; 47404eeddc0SDimitry Andric typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd; 47504eeddc0SDimitry Andric return _Cd(static_cast<_Cr>(_Cd(__lhs).count()) % static_cast<_Cr>(_Cd(__rhs).count())); 47604eeddc0SDimitry Andric } 47704eeddc0SDimitry Andric 47804eeddc0SDimitry Andric } // namespace chrono 47904eeddc0SDimitry Andric 48006c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 14 48104eeddc0SDimitry Andric // Suffixes for duration literals [time.duration.literals] 482*cb14a3feSDimitry Andric inline namespace literals { 483*cb14a3feSDimitry Andric inline namespace chrono_literals { 48404eeddc0SDimitry Andric 485*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr chrono::hours operator""h(unsigned long long __h) { 48604eeddc0SDimitry Andric return chrono::hours(static_cast<chrono::hours::rep>(__h)); 48704eeddc0SDimitry Andric } 48804eeddc0SDimitry Andric 489*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double, ratio<3600, 1>> operator""h(long double __h) { 49004eeddc0SDimitry Andric return chrono::duration<long double, ratio<3600, 1>>(__h); 49104eeddc0SDimitry Andric } 49204eeddc0SDimitry Andric 493*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr chrono::minutes operator""min(unsigned long long __m) { 49404eeddc0SDimitry Andric return chrono::minutes(static_cast<chrono::minutes::rep>(__m)); 49504eeddc0SDimitry Andric } 49604eeddc0SDimitry Andric 497*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double, ratio<60, 1>> operator""min(long double __m) { 49804eeddc0SDimitry Andric return chrono::duration<long double, ratio<60, 1>>(__m); 49904eeddc0SDimitry Andric } 50004eeddc0SDimitry Andric 501*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr chrono::seconds operator""s(unsigned long long __s) { 50204eeddc0SDimitry Andric return chrono::seconds(static_cast<chrono::seconds::rep>(__s)); 50304eeddc0SDimitry Andric } 50404eeddc0SDimitry Andric 505*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double> operator""s(long double __s) { 50604eeddc0SDimitry Andric return chrono::duration<long double>(__s); 50704eeddc0SDimitry Andric } 50804eeddc0SDimitry Andric 509*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr chrono::milliseconds operator""ms(unsigned long long __ms) { 51004eeddc0SDimitry Andric return chrono::milliseconds(static_cast<chrono::milliseconds::rep>(__ms)); 51104eeddc0SDimitry Andric } 51204eeddc0SDimitry Andric 513*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double, milli> operator""ms(long double __ms) { 51404eeddc0SDimitry Andric return chrono::duration<long double, milli>(__ms); 51504eeddc0SDimitry Andric } 51604eeddc0SDimitry Andric 517*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr chrono::microseconds operator""us(unsigned long long __us) { 51804eeddc0SDimitry Andric return chrono::microseconds(static_cast<chrono::microseconds::rep>(__us)); 51904eeddc0SDimitry Andric } 52004eeddc0SDimitry Andric 521*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double, micro> operator""us(long double __us) { 52204eeddc0SDimitry Andric return chrono::duration<long double, micro>(__us); 52304eeddc0SDimitry Andric } 52404eeddc0SDimitry Andric 525*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr chrono::nanoseconds operator""ns(unsigned long long __ns) { 52604eeddc0SDimitry Andric return chrono::nanoseconds(static_cast<chrono::nanoseconds::rep>(__ns)); 52704eeddc0SDimitry Andric } 52804eeddc0SDimitry Andric 529*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double, nano> operator""ns(long double __ns) { 53004eeddc0SDimitry Andric return chrono::duration<long double, nano>(__ns); 53104eeddc0SDimitry Andric } 53204eeddc0SDimitry Andric 53304eeddc0SDimitry Andric } // namespace chrono_literals 53404eeddc0SDimitry Andric } // namespace literals 53504eeddc0SDimitry Andric 53604eeddc0SDimitry Andric namespace chrono { // hoist the literals into namespace std::chrono 53704eeddc0SDimitry Andric using namespace literals::chrono_literals; 53804eeddc0SDimitry Andric } // namespace chrono 53904eeddc0SDimitry Andric 54006c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 14 54104eeddc0SDimitry Andric 54204eeddc0SDimitry Andric _LIBCPP_END_NAMESPACE_STD 54304eeddc0SDimitry Andric 54404eeddc0SDimitry Andric _LIBCPP_POP_MACROS 54504eeddc0SDimitry Andric 546bdd1243dSDimitry Andric #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 547bdd1243dSDimitry Andric # include <type_traits> 548bdd1243dSDimitry Andric #endif 549bdd1243dSDimitry Andric 55004eeddc0SDimitry Andric #endif // _LIBCPP___CHRONO_DURATION_H 551