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| 1 | 13 | up20180614 | // -*- C++ -*- |
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| 2 | //===---------------------------- chrono ----------------------------------===// |
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| 3 | // |
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| 4 | // The LLVM Compiler Infrastructure |
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| 5 | // |
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| 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
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| 7 | // Source Licenses. See LICENSE.TXT for details. |
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| 8 | // |
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| 9 | //===----------------------------------------------------------------------===// |
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| 10 | |||
| 11 | #ifndef _LIBCPP_CHRONO |
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| 12 | #define _LIBCPP_CHRONO |
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| 13 | |||
| 14 | /* |
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| 15 | chrono synopsis |
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| 16 | |||
| 17 | namespace std |
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| 18 | {
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| 19 | namespace chrono |
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| 20 | {
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| 21 | |||
| 22 | template <class ToDuration, class Rep, class Period> |
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| 23 | constexpr |
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| 24 | ToDuration |
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| 25 | duration_cast(const duration<Rep, Period>& fd); |
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| 26 | |||
| 27 | template <class Rep> struct treat_as_floating_point : is_floating_point<Rep> {};
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| 28 | |||
| 29 | template <class Rep> |
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| 30 | struct duration_values |
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| 31 | {
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| 32 | public: |
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| 33 | static constexpr Rep zero(); |
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| 34 | static constexpr Rep max(); |
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| 35 | static constexpr Rep min(); |
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| 36 | }; |
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| 37 | |||
| 38 | // duration |
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| 39 | |||
| 40 | template <class Rep, class Period = ratio<1>> |
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| 41 | class duration |
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| 42 | {
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| 43 | static_assert(!__is_duration<Rep>::value, "A duration representation can not be a duration"); |
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| 44 | static_assert(__is_ratio<Period>::value, "Second template parameter of duration must be a std::ratio"); |
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| 45 | static_assert(Period::num > 0, "duration period must be positive"); |
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| 46 | public: |
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| 47 | typedef Rep rep; |
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| 48 | typedef Period period; |
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| 49 | |||
| 50 | constexpr duration() = default; |
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| 51 | template <class Rep2> |
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| 52 | constexpr explicit duration(const Rep2& r, |
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| 53 | typename enable_if |
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| 54 | < |
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| 55 | is_convertible<Rep2, rep>::value && |
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| 56 | (treat_as_floating_point<rep>::value || |
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| 57 | !treat_as_floating_point<rep>::value && !treat_as_floating_point<Rep2>::value) |
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| 58 | >::type* = 0); |
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| 59 | |||
| 60 | // conversions |
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| 61 | template <class Rep2, class Period2> |
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| 62 | constexpr duration(const duration<Rep2, Period2>& d, |
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| 63 | typename enable_if |
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| 64 | < |
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| 65 | treat_as_floating_point<rep>::value || |
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| 66 | ratio_divide<Period2, period>::type::den == 1 |
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| 67 | >::type* = 0); |
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| 68 | |||
| 69 | // observer |
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| 70 | |||
| 71 | constexpr rep count() const; |
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| 72 | |||
| 73 | // arithmetic |
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| 74 | |||
| 75 | constexpr duration operator+() const; |
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| 76 | constexpr duration operator-() const; |
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| 77 | duration& operator++(); |
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| 78 | duration operator++(int); |
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| 79 | duration& operator--(); |
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| 80 | duration operator--(int); |
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| 81 | |||
| 82 | duration& operator+=(const duration& d); |
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| 83 | duration& operator-=(const duration& d); |
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| 84 | |||
| 85 | duration& operator*=(const rep& rhs); |
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| 86 | duration& operator/=(const rep& rhs); |
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| 87 | |||
| 88 | // special values |
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| 89 | |||
| 90 | static constexpr duration zero(); |
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| 91 | static constexpr duration min(); |
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| 92 | static constexpr duration max(); |
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| 93 | }; |
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| 94 | |||
| 95 | typedef duration<long long, nano> nanoseconds; |
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| 96 | typedef duration<long long, micro> microseconds; |
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| 97 | typedef duration<long long, milli> milliseconds; |
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| 98 | typedef duration<long long > seconds; |
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| 99 | typedef duration< long, ratio< 60> > minutes; |
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| 100 | typedef duration< long, ratio<3600> > hours; |
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| 101 | |||
| 102 | template <class Clock, class Duration = typename Clock::duration> |
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| 103 | class time_point |
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| 104 | {
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| 105 | public: |
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| 106 | typedef Clock clock; |
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| 107 | typedef Duration duration; |
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| 108 | typedef typename duration::rep rep; |
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| 109 | typedef typename duration::period period; |
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| 110 | private: |
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| 111 | duration d_; // exposition only |
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| 112 | |||
| 113 | public: |
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| 114 | time_point(); // has value "epoch" // constexpr in C++14 |
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| 115 | explicit time_point(const duration& d); // same as time_point() + d // constexpr in C++14 |
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| 116 | |||
| 117 | // conversions |
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| 118 | template <class Duration2> |
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| 119 | time_point(const time_point<clock, Duration2>& t); // constexpr in C++14 |
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| 120 | |||
| 121 | // observer |
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| 122 | |||
| 123 | duration time_since_epoch() const; // constexpr in C++14 |
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| 124 | |||
| 125 | // arithmetic |
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| 126 | |||
| 127 | time_point& operator+=(const duration& d); |
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| 128 | time_point& operator-=(const duration& d); |
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| 129 | |||
| 130 | // special values |
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| 131 | |||
| 132 | static constexpr time_point min(); |
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| 133 | static constexpr time_point max(); |
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| 134 | }; |
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| 135 | |||
| 136 | } // chrono |
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| 137 | |||
| 138 | // common_type traits |
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| 139 | template <class Rep1, class Period1, class Rep2, class Period2> |
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| 140 | struct common_type<chrono::duration<Rep1, Period1>, chrono::duration<Rep2, Period2>>; |
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| 141 | |||
| 142 | template <class Clock, class Duration1, class Duration2> |
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| 143 | struct common_type<chrono::time_point<Clock, Duration1>, chrono::time_point<Clock, Duration2>>; |
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| 144 | |||
| 145 | namespace chrono {
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| 146 | |||
| 147 | // duration arithmetic |
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| 148 | template <class Rep1, class Period1, class Rep2, class Period2> |
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| 149 | constexpr |
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| 150 | typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type |
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| 151 | operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
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| 152 | template <class Rep1, class Period1, class Rep2, class Period2> |
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| 153 | constexpr |
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| 154 | typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type |
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| 155 | operator-(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
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| 156 | template <class Rep1, class Period, class Rep2> |
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| 157 | constexpr |
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| 158 | duration<typename common_type<Rep1, Rep2>::type, Period> |
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| 159 | operator*(const duration<Rep1, Period>& d, const Rep2& s); |
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| 160 | template <class Rep1, class Period, class Rep2> |
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| 161 | constexpr |
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| 162 | duration<typename common_type<Rep1, Rep2>::type, Period> |
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| 163 | operator*(const Rep1& s, const duration<Rep2, Period>& d); |
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| 164 | template <class Rep1, class Period, class Rep2> |
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| 165 | constexpr |
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| 166 | duration<typename common_type<Rep1, Rep2>::type, Period> |
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| 167 | operator/(const duration<Rep1, Period>& d, const Rep2& s); |
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| 168 | template <class Rep1, class Period1, class Rep2, class Period2> |
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| 169 | constexpr |
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| 170 | typename common_type<Rep1, Rep2>::type |
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| 171 | operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
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| 172 | |||
| 173 | // duration comparisons |
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| 174 | template <class Rep1, class Period1, class Rep2, class Period2> |
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| 175 | constexpr |
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| 176 | bool operator==(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
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| 177 | template <class Rep1, class Period1, class Rep2, class Period2> |
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| 178 | constexpr |
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| 179 | bool operator!=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
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| 180 | template <class Rep1, class Period1, class Rep2, class Period2> |
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| 181 | constexpr |
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| 182 | bool operator< (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
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| 183 | template <class Rep1, class Period1, class Rep2, class Period2> |
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| 184 | constexpr |
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| 185 | bool operator<=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
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| 186 | template <class Rep1, class Period1, class Rep2, class Period2> |
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| 187 | constexpr |
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| 188 | bool operator> (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
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| 189 | template <class Rep1, class Period1, class Rep2, class Period2> |
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| 190 | constexpr |
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| 191 | bool operator>=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
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| 192 | |||
| 193 | // duration_cast |
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| 194 | template <class ToDuration, class Rep, class Period> |
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| 195 | ToDuration duration_cast(const duration<Rep, Period>& d); |
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| 196 | |||
| 197 | // time_point arithmetic (all constexpr in C++14) |
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| 198 | template <class Clock, class Duration1, class Rep2, class Period2> |
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| 199 | time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type> |
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| 200 | operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs); |
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| 201 | template <class Rep1, class Period1, class Clock, class Duration2> |
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| 202 | time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type> |
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| 203 | operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs); |
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| 204 | template <class Clock, class Duration1, class Rep2, class Period2> |
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| 205 | time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type> |
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| 206 | operator-(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs); |
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| 207 | template <class Clock, class Duration1, class Duration2> |
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| 208 | typename common_type<Duration1, Duration2>::type |
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| 209 | operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
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| 210 | |||
| 211 | // time_point comparisons (all constexpr in C++14) |
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| 212 | template <class Clock, class Duration1, class Duration2> |
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| 213 | bool operator==(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
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| 214 | template <class Clock, class Duration1, class Duration2> |
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| 215 | bool operator!=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
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| 216 | template <class Clock, class Duration1, class Duration2> |
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| 217 | bool operator< (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
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| 218 | template <class Clock, class Duration1, class Duration2> |
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| 219 | bool operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
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| 220 | template <class Clock, class Duration1, class Duration2> |
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| 221 | bool operator> (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
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| 222 | template <class Clock, class Duration1, class Duration2> |
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| 223 | bool operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
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| 224 | |||
| 225 | // time_point_cast (constexpr in C++14) |
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| 226 | |||
| 227 | template <class ToDuration, class Clock, class Duration> |
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| 228 | time_point<Clock, ToDuration> time_point_cast(const time_point<Clock, Duration>& t); |
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| 229 | |||
| 230 | // Clocks |
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| 231 | |||
| 232 | class system_clock |
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| 233 | {
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| 234 | public: |
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| 235 | typedef microseconds duration; |
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| 236 | typedef duration::rep rep; |
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| 237 | typedef duration::period period; |
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| 238 | typedef chrono::time_point<system_clock> time_point; |
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| 239 | static const bool is_steady = false; // constexpr in C++14 |
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| 240 | |||
| 241 | static time_point now() noexcept; |
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| 242 | static time_t to_time_t (const time_point& __t) noexcept; |
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| 243 | static time_point from_time_t(time_t __t) noexcept; |
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| 244 | }; |
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| 245 | |||
| 246 | class steady_clock |
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| 247 | {
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| 248 | public: |
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| 249 | typedef nanoseconds duration; |
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| 250 | typedef duration::rep rep; |
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| 251 | typedef duration::period period; |
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| 252 | typedef chrono::time_point<steady_clock, duration> time_point; |
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| 253 | static const bool is_steady = true; // constexpr in C++14 |
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| 254 | |||
| 255 | static time_point now() noexcept; |
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| 256 | }; |
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| 257 | |||
| 258 | typedef steady_clock high_resolution_clock; |
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| 259 | |||
| 260 | } // chrono |
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| 261 | |||
| 262 | constexpr chrono::hours operator "" h(unsigned long long); // C++14 |
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| 263 | constexpr chrono::duration<unspecified , ratio<3600,1>> operator "" h(long double); // C++14 |
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| 264 | constexpr chrono::minutes operator "" min(unsigned long long); // C++14 |
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| 265 | constexpr chrono::duration<unspecified , ratio<60,1>> operator "" min(long double); // C++14 |
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| 266 | constexpr chrono::seconds operator "" s(unsigned long long); // C++14 |
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| 267 | constexpr chrono::duration<unspecified > operator "" s(long double); // C++14 |
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| 268 | constexpr chrono::milliseconds operator "" ms(unsigned long long); // C++14 |
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| 269 | constexpr chrono::duration<unspecified , milli> operator "" ms(long double); // C++14 |
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| 270 | constexpr chrono::microseconds operator "" us(unsigned long long); // C++14 |
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| 271 | constexpr chrono::duration<unspecified , micro> operator "" us(long double); // C++14 |
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| 272 | constexpr chrono::nanoseconds operator "" ns(unsigned long long); // C++14 |
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| 273 | constexpr chrono::duration<unspecified , nano> operator "" ns(long double); // C++14 |
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| 274 | |||
| 275 | } // std |
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| 276 | */ |
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| 277 | |||
| 278 | #include <__config> |
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| 279 | #include <ctime> |
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| 280 | #include <type_traits> |
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| 281 | #include <ratio> |
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| 282 | #include <limits> |
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| 283 | |||
| 284 | #include <__undef_min_max> |
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| 285 | |||
| 286 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
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| 287 | #pragma GCC system_header |
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| 288 | #endif |
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| 289 | |||
| 290 | _LIBCPP_BEGIN_NAMESPACE_STD |
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| 291 | |||
| 292 | namespace chrono |
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| 293 | {
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| 294 | |||
| 295 | template <class _Rep, class _Period = ratio<1> > class _LIBCPP_TYPE_VIS_ONLY duration; |
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| 296 | |||
| 297 | template <class _Tp> |
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| 298 | struct __is_duration : false_type {};
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| 299 | |||
| 300 | template <class _Rep, class _Period> |
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| 301 | struct __is_duration<duration<_Rep, _Period> > : true_type {};
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| 302 | |||
| 303 | template <class _Rep, class _Period> |
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| 304 | struct __is_duration<const duration<_Rep, _Period> > : true_type {};
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| 305 | |||
| 306 | template <class _Rep, class _Period> |
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| 307 | struct __is_duration<volatile duration<_Rep, _Period> > : true_type {};
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| 308 | |||
| 309 | template <class _Rep, class _Period> |
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| 310 | struct __is_duration<const volatile duration<_Rep, _Period> > : true_type {};
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| 311 | |||
| 312 | } // chrono |
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| 313 | |||
| 314 | template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
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| 315 | struct _LIBCPP_TYPE_VIS_ONLY common_type<chrono::duration<_Rep1, _Period1>, |
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| 316 | chrono::duration<_Rep2, _Period2> > |
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| 317 | {
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| 318 | typedef chrono::duration<typename common_type<_Rep1, _Rep2>::type, |
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| 319 | typename __ratio_gcd<_Period1, _Period2>::type> type; |
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| 320 | }; |
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| 321 | |||
| 322 | namespace chrono {
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| 323 | |||
| 324 | // duration_cast |
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| 325 | |||
| 326 | template <class _FromDuration, class _ToDuration, |
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| 327 | class _Period = typename ratio_divide<typename _FromDuration::period, typename _ToDuration::period>::type, |
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| 328 | bool = _Period::num == 1, |
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| 329 | bool = _Period::den == 1> |
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| 330 | struct __duration_cast; |
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| 331 | |||
| 332 | template <class _FromDuration, class _ToDuration, class _Period> |
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| 333 | struct __duration_cast<_FromDuration, _ToDuration, _Period, true, true> |
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| 334 | {
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| 335 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
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| 336 | _ToDuration operator()(const _FromDuration& __fd) const |
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| 337 | {
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| 338 | return _ToDuration(static_cast<typename _ToDuration::rep>(__fd.count())); |
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| 339 | } |
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| 340 | }; |
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| 341 | |||
| 342 | template <class _FromDuration, class _ToDuration, class _Period> |
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| 343 | struct __duration_cast<_FromDuration, _ToDuration, _Period, true, false> |
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| 344 | {
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| 345 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
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| 346 | _ToDuration operator()(const _FromDuration& __fd) const |
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| 347 | {
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| 348 | typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; |
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| 349 | return _ToDuration(static_cast<typename _ToDuration::rep>( |
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| 350 | static_cast<_Ct>(__fd.count()) / static_cast<_Ct>(_Period::den))); |
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| 351 | } |
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| 352 | }; |
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| 353 | |||
| 354 | template <class _FromDuration, class _ToDuration, class _Period> |
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| 355 | struct __duration_cast<_FromDuration, _ToDuration, _Period, false, true> |
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| 356 | {
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| 357 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
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| 358 | _ToDuration operator()(const _FromDuration& __fd) const |
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| 359 | {
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| 360 | typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; |
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| 361 | return _ToDuration(static_cast<typename _ToDuration::rep>( |
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| 362 | static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num))); |
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| 363 | } |
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| 364 | }; |
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| 365 | |||
| 366 | template <class _FromDuration, class _ToDuration, class _Period> |
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| 367 | struct __duration_cast<_FromDuration, _ToDuration, _Period, false, false> |
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| 368 | {
|
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| 369 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
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| 370 | _ToDuration operator()(const _FromDuration& __fd) const |
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| 371 | {
|
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| 372 | typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; |
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| 373 | return _ToDuration(static_cast<typename _ToDuration::rep>( |
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| 374 | static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num) |
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| 375 | / static_cast<_Ct>(_Period::den))); |
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| 376 | } |
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| 377 | }; |
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| 378 | |||
| 379 | template <class _ToDuration, class _Rep, class _Period> |
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| 380 | inline _LIBCPP_INLINE_VISIBILITY |
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| 381 | _LIBCPP_CONSTEXPR |
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| 382 | typename enable_if |
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| 383 | < |
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| 384 | __is_duration<_ToDuration>::value, |
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| 385 | _ToDuration |
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| 386 | >::type |
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| 387 | duration_cast(const duration<_Rep, _Period>& __fd) |
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| 388 | {
|
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| 389 | return __duration_cast<duration<_Rep, _Period>, _ToDuration>()(__fd); |
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| 390 | } |
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| 391 | |||
| 392 | template <class _Rep> |
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| 393 | struct _LIBCPP_TYPE_VIS_ONLY treat_as_floating_point : is_floating_point<_Rep> {};
|
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| 394 | |||
| 395 | template <class _Rep> |
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| 396 | struct _LIBCPP_TYPE_VIS_ONLY duration_values |
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| 397 | {
|
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| 398 | public: |
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| 399 | _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep zero() {return _Rep(0);}
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| 400 | _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep max() {return numeric_limits<_Rep>::max();}
|
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| 401 | _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep min() {return numeric_limits<_Rep>::lowest();}
|
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| 402 | }; |
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| 403 | |||
| 404 | // duration |
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| 405 | |||
| 406 | template <class _Rep, class _Period> |
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| 407 | class _LIBCPP_TYPE_VIS_ONLY duration |
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| 408 | {
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| 409 | static_assert(!__is_duration<_Rep>::value, "A duration representation can not be a duration"); |
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| 410 | static_assert(__is_ratio<_Period>::value, "Second template parameter of duration must be a std::ratio"); |
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| 411 | static_assert(_Period::num > 0, "duration period must be positive"); |
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| 412 | |||
| 413 | template <class _R1, class _R2> |
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| 414 | struct __no_overflow |
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| 415 | {
|
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| 416 | private: |
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| 417 | static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value; |
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| 418 | static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value; |
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| 419 | static const intmax_t __n1 = _R1::num / __gcd_n1_n2; |
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| 420 | static const intmax_t __d1 = _R1::den / __gcd_d1_d2; |
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| 421 | static const intmax_t __n2 = _R2::num / __gcd_n1_n2; |
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| 422 | static const intmax_t __d2 = _R2::den / __gcd_d1_d2; |
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| 423 | static const intmax_t max = -((intmax_t(1) << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1); |
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| 424 | |||
| 425 | template <intmax_t _Xp, intmax_t _Yp, bool __overflow> |
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| 426 | struct __mul // __overflow == false |
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| 427 | {
|
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| 428 | static const intmax_t value = _Xp * _Yp; |
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| 429 | }; |
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| 430 | |||
| 431 | template <intmax_t _Xp, intmax_t _Yp> |
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| 432 | struct __mul<_Xp, _Yp, true> |
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| 433 | {
|
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| 434 | static const intmax_t value = 1; |
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| 435 | }; |
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| 436 | |||
| 437 | public: |
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| 438 | static const bool value = (__n1 <= max / __d2) && (__n2 <= max / __d1); |
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| 439 | typedef ratio<__mul<__n1, __d2, !value>::value, |
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| 440 | __mul<__n2, __d1, !value>::value> type; |
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| 441 | }; |
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| 442 | |||
| 443 | public: |
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| 444 | typedef _Rep rep; |
||
| 445 | typedef _Period period; |
||
| 446 | private: |
||
| 447 | rep __rep_; |
||
| 448 | public: |
||
| 449 | |||
| 450 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
||
| 451 | #ifndef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS |
||
| 452 | duration() = default; |
||
| 453 | #else |
||
| 454 | duration() {}
|
||
| 455 | #endif |
||
| 456 | |||
| 457 | template <class _Rep2> |
||
| 458 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
||
| 459 | explicit duration(const _Rep2& __r, |
||
| 460 | typename enable_if |
||
| 461 | < |
||
| 462 | is_convertible<_Rep2, rep>::value && |
||
| 463 | (treat_as_floating_point<rep>::value || |
||
| 464 | !treat_as_floating_point<_Rep2>::value) |
||
| 465 | >::type* = 0) |
||
| 466 | : __rep_(__r) {}
|
||
| 467 | |||
| 468 | // conversions |
||
| 469 | template <class _Rep2, class _Period2> |
||
| 470 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
||
| 471 | duration(const duration<_Rep2, _Period2>& __d, |
||
| 472 | typename enable_if |
||
| 473 | < |
||
| 474 | __no_overflow<_Period2, period>::value && ( |
||
| 475 | treat_as_floating_point<rep>::value || |
||
| 476 | (__no_overflow<_Period2, period>::type::den == 1 && |
||
| 477 | !treat_as_floating_point<_Rep2>::value)) |
||
| 478 | >::type* = 0) |
||
| 479 | : __rep_(_VSTD::chrono::duration_cast<duration>(__d).count()) {}
|
||
| 480 | |||
| 481 | // observer |
||
| 482 | |||
| 483 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR rep count() const {return __rep_;}
|
||
| 484 | |||
| 485 | // arithmetic |
||
| 486 | |||
| 487 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR duration operator+() const {return *this;}
|
||
| 488 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR duration operator-() const {return duration(-__rep_);}
|
||
| 489 | _LIBCPP_INLINE_VISIBILITY duration& operator++() {++__rep_; return *this;}
|
||
| 490 | _LIBCPP_INLINE_VISIBILITY duration operator++(int) {return duration(__rep_++);}
|
||
| 491 | _LIBCPP_INLINE_VISIBILITY duration& operator--() {--__rep_; return *this;}
|
||
| 492 | _LIBCPP_INLINE_VISIBILITY duration operator--(int) {return duration(__rep_--);}
|
||
| 493 | |||
| 494 | _LIBCPP_INLINE_VISIBILITY duration& operator+=(const duration& __d) {__rep_ += __d.count(); return *this;}
|
||
| 495 | _LIBCPP_INLINE_VISIBILITY duration& operator-=(const duration& __d) {__rep_ -= __d.count(); return *this;}
|
||
| 496 | |||
| 497 | _LIBCPP_INLINE_VISIBILITY duration& operator*=(const rep& rhs) {__rep_ *= rhs; return *this;}
|
||
| 498 | _LIBCPP_INLINE_VISIBILITY duration& operator/=(const rep& rhs) {__rep_ /= rhs; return *this;}
|
||
| 499 | _LIBCPP_INLINE_VISIBILITY duration& operator%=(const rep& rhs) {__rep_ %= rhs; return *this;}
|
||
| 500 | _LIBCPP_INLINE_VISIBILITY duration& operator%=(const duration& rhs) {__rep_ %= rhs.count(); return *this;}
|
||
| 501 | |||
| 502 | // special values |
||
| 503 | |||
| 504 | _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration zero() {return duration(duration_values<rep>::zero());}
|
||
| 505 | _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration min() {return duration(duration_values<rep>::min());}
|
||
| 506 | _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration max() {return duration(duration_values<rep>::max());}
|
||
| 507 | }; |
||
| 508 | |||
| 509 | typedef duration<long long, nano> nanoseconds; |
||
| 510 | typedef duration<long long, micro> microseconds; |
||
| 511 | typedef duration<long long, milli> milliseconds; |
||
| 512 | typedef duration<long long > seconds; |
||
| 513 | typedef duration< long, ratio< 60> > minutes; |
||
| 514 | typedef duration< long, ratio<3600> > hours; |
||
| 515 | |||
| 516 | // Duration == |
||
| 517 | |||
| 518 | template <class _LhsDuration, class _RhsDuration> |
||
| 519 | struct __duration_eq |
||
| 520 | {
|
||
| 521 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
||
| 522 | bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const |
||
| 523 | {
|
||
| 524 | typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct; |
||
| 525 | return _Ct(__lhs).count() == _Ct(__rhs).count(); |
||
| 526 | } |
||
| 527 | }; |
||
| 528 | |||
| 529 | template <class _LhsDuration> |
||
| 530 | struct __duration_eq<_LhsDuration, _LhsDuration> |
||
| 531 | {
|
||
| 532 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
||
| 533 | bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const |
||
| 534 | {return __lhs.count() == __rhs.count();}
|
||
| 535 | }; |
||
| 536 | |||
| 537 | template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
||
| 538 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 539 | _LIBCPP_CONSTEXPR |
||
| 540 | bool |
||
| 541 | operator==(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
||
| 542 | {
|
||
| 543 | return __duration_eq<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs); |
||
| 544 | } |
||
| 545 | |||
| 546 | // Duration != |
||
| 547 | |||
| 548 | template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
||
| 549 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 550 | _LIBCPP_CONSTEXPR |
||
| 551 | bool |
||
| 552 | operator!=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
||
| 553 | {
|
||
| 554 | return !(__lhs == __rhs); |
||
| 555 | } |
||
| 556 | |||
| 557 | // Duration < |
||
| 558 | |||
| 559 | template <class _LhsDuration, class _RhsDuration> |
||
| 560 | struct __duration_lt |
||
| 561 | {
|
||
| 562 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
||
| 563 | bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const |
||
| 564 | {
|
||
| 565 | typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct; |
||
| 566 | return _Ct(__lhs).count() < _Ct(__rhs).count(); |
||
| 567 | } |
||
| 568 | }; |
||
| 569 | |||
| 570 | template <class _LhsDuration> |
||
| 571 | struct __duration_lt<_LhsDuration, _LhsDuration> |
||
| 572 | {
|
||
| 573 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
||
| 574 | bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const |
||
| 575 | {return __lhs.count() < __rhs.count();}
|
||
| 576 | }; |
||
| 577 | |||
| 578 | template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
||
| 579 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 580 | _LIBCPP_CONSTEXPR |
||
| 581 | bool |
||
| 582 | operator< (const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
||
| 583 | {
|
||
| 584 | return __duration_lt<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs); |
||
| 585 | } |
||
| 586 | |||
| 587 | // Duration > |
||
| 588 | |||
| 589 | template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
||
| 590 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 591 | _LIBCPP_CONSTEXPR |
||
| 592 | bool |
||
| 593 | operator> (const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
||
| 594 | {
|
||
| 595 | return __rhs < __lhs; |
||
| 596 | } |
||
| 597 | |||
| 598 | // Duration <= |
||
| 599 | |||
| 600 | template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
||
| 601 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 602 | _LIBCPP_CONSTEXPR |
||
| 603 | bool |
||
| 604 | operator<=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
||
| 605 | {
|
||
| 606 | return !(__rhs < __lhs); |
||
| 607 | } |
||
| 608 | |||
| 609 | // Duration >= |
||
| 610 | |||
| 611 | template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
||
| 612 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 613 | _LIBCPP_CONSTEXPR |
||
| 614 | bool |
||
| 615 | operator>=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
||
| 616 | {
|
||
| 617 | return !(__lhs < __rhs); |
||
| 618 | } |
||
| 619 | |||
| 620 | // Duration + |
||
| 621 | |||
| 622 | template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
||
| 623 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 624 | _LIBCPP_CONSTEXPR |
||
| 625 | typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type |
||
| 626 | operator+(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
||
| 627 | {
|
||
| 628 | typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd; |
||
| 629 | return _Cd(_Cd(__lhs).count() + _Cd(__rhs).count()); |
||
| 630 | } |
||
| 631 | |||
| 632 | // Duration - |
||
| 633 | |||
| 634 | template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
||
| 635 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 636 | _LIBCPP_CONSTEXPR |
||
| 637 | typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type |
||
| 638 | operator-(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
||
| 639 | {
|
||
| 640 | typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd; |
||
| 641 | return _Cd(_Cd(__lhs).count() - _Cd(__rhs).count()); |
||
| 642 | } |
||
| 643 | |||
| 644 | // Duration * |
||
| 645 | |||
| 646 | template <class _Rep1, class _Period, class _Rep2> |
||
| 647 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 648 | _LIBCPP_CONSTEXPR |
||
| 649 | typename enable_if |
||
| 650 | < |
||
| 651 | is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value, |
||
| 652 | duration<typename common_type<_Rep1, _Rep2>::type, _Period> |
||
| 653 | >::type |
||
| 654 | operator*(const duration<_Rep1, _Period>& __d, const _Rep2& __s) |
||
| 655 | {
|
||
| 656 | typedef typename common_type<_Rep1, _Rep2>::type _Cr; |
||
| 657 | typedef duration<_Cr, _Period> _Cd; |
||
| 658 | return _Cd(_Cd(__d).count() * static_cast<_Cr>(__s)); |
||
| 659 | } |
||
| 660 | |||
| 661 | template <class _Rep1, class _Period, class _Rep2> |
||
| 662 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 663 | _LIBCPP_CONSTEXPR |
||
| 664 | typename enable_if |
||
| 665 | < |
||
| 666 | is_convertible<_Rep1, typename common_type<_Rep1, _Rep2>::type>::value, |
||
| 667 | duration<typename common_type<_Rep1, _Rep2>::type, _Period> |
||
| 668 | >::type |
||
| 669 | operator*(const _Rep1& __s, const duration<_Rep2, _Period>& __d) |
||
| 670 | {
|
||
| 671 | return __d * __s; |
||
| 672 | } |
||
| 673 | |||
| 674 | // Duration / |
||
| 675 | |||
| 676 | template <class _Duration, class _Rep, bool = __is_duration<_Rep>::value> |
||
| 677 | struct __duration_divide_result |
||
| 678 | {
|
||
| 679 | }; |
||
| 680 | |||
| 681 | template <class _Duration, class _Rep2, |
||
| 682 | bool = is_convertible<_Rep2, |
||
| 683 | typename common_type<typename _Duration::rep, _Rep2>::type>::value> |
||
| 684 | struct __duration_divide_imp |
||
| 685 | {
|
||
| 686 | }; |
||
| 687 | |||
| 688 | template <class _Rep1, class _Period, class _Rep2> |
||
| 689 | struct __duration_divide_imp<duration<_Rep1, _Period>, _Rep2, true> |
||
| 690 | {
|
||
| 691 | typedef duration<typename common_type<_Rep1, _Rep2>::type, _Period> type; |
||
| 692 | }; |
||
| 693 | |||
| 694 | template <class _Rep1, class _Period, class _Rep2> |
||
| 695 | struct __duration_divide_result<duration<_Rep1, _Period>, _Rep2, false> |
||
| 696 | : __duration_divide_imp<duration<_Rep1, _Period>, _Rep2> |
||
| 697 | {
|
||
| 698 | }; |
||
| 699 | |||
| 700 | template <class _Rep1, class _Period, class _Rep2> |
||
| 701 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 702 | _LIBCPP_CONSTEXPR |
||
| 703 | typename __duration_divide_result<duration<_Rep1, _Period>, _Rep2>::type |
||
| 704 | operator/(const duration<_Rep1, _Period>& __d, const _Rep2& __s) |
||
| 705 | {
|
||
| 706 | typedef typename common_type<_Rep1, _Rep2>::type _Cr; |
||
| 707 | typedef duration<_Cr, _Period> _Cd; |
||
| 708 | return _Cd(_Cd(__d).count() / static_cast<_Cr>(__s)); |
||
| 709 | } |
||
| 710 | |||
| 711 | template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
||
| 712 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 713 | _LIBCPP_CONSTEXPR |
||
| 714 | typename common_type<_Rep1, _Rep2>::type |
||
| 715 | operator/(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
||
| 716 | {
|
||
| 717 | typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Ct; |
||
| 718 | return _Ct(__lhs).count() / _Ct(__rhs).count(); |
||
| 719 | } |
||
| 720 | |||
| 721 | // Duration % |
||
| 722 | |||
| 723 | template <class _Rep1, class _Period, class _Rep2> |
||
| 724 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 725 | _LIBCPP_CONSTEXPR |
||
| 726 | typename __duration_divide_result<duration<_Rep1, _Period>, _Rep2>::type |
||
| 727 | operator%(const duration<_Rep1, _Period>& __d, const _Rep2& __s) |
||
| 728 | {
|
||
| 729 | typedef typename common_type<_Rep1, _Rep2>::type _Cr; |
||
| 730 | typedef duration<_Cr, _Period> _Cd; |
||
| 731 | return _Cd(_Cd(__d).count() % static_cast<_Cr>(__s)); |
||
| 732 | } |
||
| 733 | |||
| 734 | template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
||
| 735 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 736 | _LIBCPP_CONSTEXPR |
||
| 737 | typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type |
||
| 738 | operator%(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
||
| 739 | {
|
||
| 740 | typedef typename common_type<_Rep1, _Rep2>::type _Cr; |
||
| 741 | typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd; |
||
| 742 | return _Cd(static_cast<_Cr>(_Cd(__lhs).count()) % static_cast<_Cr>(_Cd(__rhs).count())); |
||
| 743 | } |
||
| 744 | |||
| 745 | ////////////////////////////////////////////////////////// |
||
| 746 | ///////////////////// time_point ///////////////////////// |
||
| 747 | ////////////////////////////////////////////////////////// |
||
| 748 | |||
| 749 | template <class _Clock, class _Duration = typename _Clock::duration> |
||
| 750 | class _LIBCPP_TYPE_VIS_ONLY time_point |
||
| 751 | {
|
||
| 752 | static_assert(__is_duration<_Duration>::value, |
||
| 753 | "Second template parameter of time_point must be a std::chrono::duration"); |
||
| 754 | public: |
||
| 755 | typedef _Clock clock; |
||
| 756 | typedef _Duration duration; |
||
| 757 | typedef typename duration::rep rep; |
||
| 758 | typedef typename duration::period period; |
||
| 759 | private: |
||
| 760 | duration __d_; |
||
| 761 | |||
| 762 | public: |
||
| 763 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 time_point() : __d_(duration::zero()) {}
|
||
| 764 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 explicit time_point(const duration& __d) : __d_(__d) {}
|
||
| 765 | |||
| 766 | // conversions |
||
| 767 | template <class _Duration2> |
||
| 768 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
||
| 769 | time_point(const time_point<clock, _Duration2>& t, |
||
| 770 | typename enable_if |
||
| 771 | < |
||
| 772 | is_convertible<_Duration2, duration>::value |
||
| 773 | >::type* = 0) |
||
| 774 | : __d_(t.time_since_epoch()) {}
|
||
| 775 | |||
| 776 | // observer |
||
| 777 | |||
| 778 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 duration time_since_epoch() const {return __d_;}
|
||
| 779 | |||
| 780 | // arithmetic |
||
| 781 | |||
| 782 | _LIBCPP_INLINE_VISIBILITY time_point& operator+=(const duration& __d) {__d_ += __d; return *this;}
|
||
| 783 | _LIBCPP_INLINE_VISIBILITY time_point& operator-=(const duration& __d) {__d_ -= __d; return *this;}
|
||
| 784 | |||
| 785 | // special values |
||
| 786 | |||
| 787 | _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point min() {return time_point(duration::min());}
|
||
| 788 | _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point max() {return time_point(duration::max());}
|
||
| 789 | }; |
||
| 790 | |||
| 791 | } // chrono |
||
| 792 | |||
| 793 | template <class _Clock, class _Duration1, class _Duration2> |
||
| 794 | struct _LIBCPP_TYPE_VIS_ONLY common_type<chrono::time_point<_Clock, _Duration1>, |
||
| 795 | chrono::time_point<_Clock, _Duration2> > |
||
| 796 | {
|
||
| 797 | typedef chrono::time_point<_Clock, typename common_type<_Duration1, _Duration2>::type> type; |
||
| 798 | }; |
||
| 799 | |||
| 800 | namespace chrono {
|
||
| 801 | |||
| 802 | template <class _ToDuration, class _Clock, class _Duration> |
||
| 803 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
||
| 804 | time_point<_Clock, _ToDuration> |
||
| 805 | time_point_cast(const time_point<_Clock, _Duration>& __t) |
||
| 806 | {
|
||
| 807 | return time_point<_Clock, _ToDuration>(_VSTD::chrono::duration_cast<_ToDuration>(__t.time_since_epoch())); |
||
| 808 | } |
||
| 809 | |||
| 810 | // time_point == |
||
| 811 | |||
| 812 | template <class _Clock, class _Duration1, class _Duration2> |
||
| 813 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
||
| 814 | bool |
||
| 815 | operator==(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
||
| 816 | {
|
||
| 817 | return __lhs.time_since_epoch() == __rhs.time_since_epoch(); |
||
| 818 | } |
||
| 819 | |||
| 820 | // time_point != |
||
| 821 | |||
| 822 | template <class _Clock, class _Duration1, class _Duration2> |
||
| 823 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
||
| 824 | bool |
||
| 825 | operator!=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
||
| 826 | {
|
||
| 827 | return !(__lhs == __rhs); |
||
| 828 | } |
||
| 829 | |||
| 830 | // time_point < |
||
| 831 | |||
| 832 | template <class _Clock, class _Duration1, class _Duration2> |
||
| 833 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
||
| 834 | bool |
||
| 835 | operator<(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
||
| 836 | {
|
||
| 837 | return __lhs.time_since_epoch() < __rhs.time_since_epoch(); |
||
| 838 | } |
||
| 839 | |||
| 840 | // time_point > |
||
| 841 | |||
| 842 | template <class _Clock, class _Duration1, class _Duration2> |
||
| 843 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
||
| 844 | bool |
||
| 845 | operator>(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
||
| 846 | {
|
||
| 847 | return __rhs < __lhs; |
||
| 848 | } |
||
| 849 | |||
| 850 | // time_point <= |
||
| 851 | |||
| 852 | template <class _Clock, class _Duration1, class _Duration2> |
||
| 853 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
||
| 854 | bool |
||
| 855 | operator<=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
||
| 856 | {
|
||
| 857 | return !(__rhs < __lhs); |
||
| 858 | } |
||
| 859 | |||
| 860 | // time_point >= |
||
| 861 | |||
| 862 | template <class _Clock, class _Duration1, class _Duration2> |
||
| 863 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
||
| 864 | bool |
||
| 865 | operator>=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
||
| 866 | {
|
||
| 867 | return !(__lhs < __rhs); |
||
| 868 | } |
||
| 869 | |||
| 870 | // time_point operator+(time_point x, duration y); |
||
| 871 | |||
| 872 | template <class _Clock, class _Duration1, class _Rep2, class _Period2> |
||
| 873 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
||
| 874 | time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> |
||
| 875 | operator+(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
||
| 876 | {
|
||
| 877 | typedef time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> _Tr; |
||
| 878 | return _Tr (__lhs.time_since_epoch() + __rhs); |
||
| 879 | } |
||
| 880 | |||
| 881 | // time_point operator+(duration x, time_point y); |
||
| 882 | |||
| 883 | template <class _Rep1, class _Period1, class _Clock, class _Duration2> |
||
| 884 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
||
| 885 | time_point<_Clock, typename common_type<duration<_Rep1, _Period1>, _Duration2>::type> |
||
| 886 | operator+(const duration<_Rep1, _Period1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
||
| 887 | {
|
||
| 888 | return __rhs + __lhs; |
||
| 889 | } |
||
| 890 | |||
| 891 | // time_point operator-(time_point x, duration y); |
||
| 892 | |||
| 893 | template <class _Clock, class _Duration1, class _Rep2, class _Period2> |
||
| 894 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
||
| 895 | time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> |
||
| 896 | operator-(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs) |
||
| 897 | {
|
||
| 898 | return __lhs + (-__rhs); |
||
| 899 | } |
||
| 900 | |||
| 901 | // duration operator-(time_point x, time_point y); |
||
| 902 | |||
| 903 | template <class _Clock, class _Duration1, class _Duration2> |
||
| 904 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
||
| 905 | typename common_type<_Duration1, _Duration2>::type |
||
| 906 | operator-(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) |
||
| 907 | {
|
||
| 908 | return __lhs.time_since_epoch() - __rhs.time_since_epoch(); |
||
| 909 | } |
||
| 910 | |||
| 911 | ////////////////////////////////////////////////////////// |
||
| 912 | /////////////////////// clocks /////////////////////////// |
||
| 913 | ////////////////////////////////////////////////////////// |
||
| 914 | |||
| 915 | class _LIBCPP_TYPE_VIS system_clock |
||
| 916 | {
|
||
| 917 | public: |
||
| 918 | typedef microseconds duration; |
||
| 919 | typedef duration::rep rep; |
||
| 920 | typedef duration::period period; |
||
| 921 | typedef chrono::time_point<system_clock> time_point; |
||
| 922 | static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = false; |
||
| 923 | |||
| 924 | static time_point now() _NOEXCEPT; |
||
| 925 | static time_t to_time_t (const time_point& __t) _NOEXCEPT; |
||
| 926 | static time_point from_time_t(time_t __t) _NOEXCEPT; |
||
| 927 | }; |
||
| 928 | |||
| 929 | #ifndef _LIBCPP_HAS_NO_MONOTONIC_CLOCK |
||
| 930 | class _LIBCPP_TYPE_VIS steady_clock |
||
| 931 | {
|
||
| 932 | public: |
||
| 933 | typedef nanoseconds duration; |
||
| 934 | typedef duration::rep rep; |
||
| 935 | typedef duration::period period; |
||
| 936 | typedef chrono::time_point<steady_clock, duration> time_point; |
||
| 937 | static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = true; |
||
| 938 | |||
| 939 | static time_point now() _NOEXCEPT; |
||
| 940 | }; |
||
| 941 | |||
| 942 | typedef steady_clock high_resolution_clock; |
||
| 943 | #else |
||
| 944 | typedef system_clock high_resolution_clock; |
||
| 945 | #endif |
||
| 946 | |||
| 947 | } // chrono |
||
| 948 | |||
| 949 | #if _LIBCPP_STD_VER > 11 |
||
| 950 | // Suffixes for duration literals [time.duration.literals] |
||
| 951 | inline namespace literals |
||
| 952 | {
|
||
| 953 | inline namespace chrono_literals |
||
| 954 | {
|
||
| 955 | |||
| 956 | constexpr chrono::hours operator"" h(unsigned long long __h) |
||
| 957 | {
|
||
| 958 | return chrono::hours(static_cast<chrono::hours::rep>(__h)); |
||
| 959 | } |
||
| 960 | |||
| 961 | constexpr chrono::duration<long double, ratio<3600,1>> operator"" h(long double __h) |
||
| 962 | {
|
||
| 963 | return chrono::duration<long double, ratio<3600,1>>(__h); |
||
| 964 | } |
||
| 965 | |||
| 966 | |||
| 967 | constexpr chrono::minutes operator"" min(unsigned long long __m) |
||
| 968 | {
|
||
| 969 | return chrono::minutes(static_cast<chrono::minutes::rep>(__m)); |
||
| 970 | } |
||
| 971 | |||
| 972 | constexpr chrono::duration<long double, ratio<60,1>> operator"" min(long double __m) |
||
| 973 | {
|
||
| 974 | return chrono::duration<long double, ratio<60,1>> (__m); |
||
| 975 | } |
||
| 976 | |||
| 977 | |||
| 978 | constexpr chrono::seconds operator"" s(unsigned long long __s) |
||
| 979 | {
|
||
| 980 | return chrono::seconds(static_cast<chrono::seconds::rep>(__s)); |
||
| 981 | } |
||
| 982 | |||
| 983 | constexpr chrono::duration<long double> operator"" s(long double __s) |
||
| 984 | {
|
||
| 985 | return chrono::duration<long double> (__s); |
||
| 986 | } |
||
| 987 | |||
| 988 | |||
| 989 | constexpr chrono::milliseconds operator"" ms(unsigned long long __ms) |
||
| 990 | {
|
||
| 991 | return chrono::milliseconds(static_cast<chrono::milliseconds::rep>(__ms)); |
||
| 992 | } |
||
| 993 | |||
| 994 | constexpr chrono::duration<long double, milli> operator"" ms(long double __ms) |
||
| 995 | {
|
||
| 996 | return chrono::duration<long double, milli>(__ms); |
||
| 997 | } |
||
| 998 | |||
| 999 | |||
| 1000 | constexpr chrono::microseconds operator"" us(unsigned long long __us) |
||
| 1001 | {
|
||
| 1002 | return chrono::microseconds(static_cast<chrono::microseconds::rep>(__us)); |
||
| 1003 | } |
||
| 1004 | |||
| 1005 | constexpr chrono::duration<long double, micro> operator"" us(long double __us) |
||
| 1006 | {
|
||
| 1007 | return chrono::duration<long double, micro> (__us); |
||
| 1008 | } |
||
| 1009 | |||
| 1010 | |||
| 1011 | constexpr chrono::nanoseconds operator"" ns(unsigned long long __ns) |
||
| 1012 | {
|
||
| 1013 | return chrono::nanoseconds(static_cast<chrono::nanoseconds::rep>(__ns)); |
||
| 1014 | } |
||
| 1015 | |||
| 1016 | constexpr chrono::duration<long double, nano> operator"" ns(long double __ns) |
||
| 1017 | {
|
||
| 1018 | return chrono::duration<long double, nano> (__ns); |
||
| 1019 | } |
||
| 1020 | |||
| 1021 | }} |
||
| 1022 | |||
| 1023 | namespace chrono { // hoist the literals into namespace std::chrono
|
||
| 1024 | using namespace literals::chrono_literals; |
||
| 1025 | } |
||
| 1026 | |||
| 1027 | #endif |
||
| 1028 | |||
| 1029 | _LIBCPP_END_NAMESPACE_STD |
||
| 1030 | |||
| 1031 | #endif // _LIBCPP_CHRONO |