root / lab4 / .minix-src / include / c++ / chrono @ 14
History | View | Annotate | Download (35.9 KB)
| 1 |
// -*- C++ -*- |
|---|---|
| 2 |
//===---------------------------- chrono ----------------------------------===// |
| 3 |
// |
| 4 |
// The LLVM Compiler Infrastructure |
| 5 |
// |
| 6 |
// This file is dual licensed under the MIT and the University of Illinois Open |
| 7 |
// Source Licenses. See LICENSE.TXT for details. |
| 8 |
// |
| 9 |
//===----------------------------------------------------------------------===// |
| 10 |
|
| 11 |
#ifndef _LIBCPP_CHRONO |
| 12 |
#define _LIBCPP_CHRONO |
| 13 |
|
| 14 |
/* |
| 15 |
chrono synopsis |
| 16 |
|
| 17 |
namespace std |
| 18 |
{
|
| 19 |
namespace chrono |
| 20 |
{
|
| 21 |
|
| 22 |
template <class ToDuration, class Rep, class Period> |
| 23 |
constexpr |
| 24 |
ToDuration |
| 25 |
duration_cast(const duration<Rep, Period>& fd); |
| 26 |
|
| 27 |
template <class Rep> struct treat_as_floating_point : is_floating_point<Rep> {};
|
| 28 |
|
| 29 |
template <class Rep> |
| 30 |
struct duration_values |
| 31 |
{
|
| 32 |
public: |
| 33 |
static constexpr Rep zero(); |
| 34 |
static constexpr Rep max(); |
| 35 |
static constexpr Rep min(); |
| 36 |
}; |
| 37 |
|
| 38 |
// duration |
| 39 |
|
| 40 |
template <class Rep, class Period = ratio<1>> |
| 41 |
class duration |
| 42 |
{
|
| 43 |
static_assert(!__is_duration<Rep>::value, "A duration representation can not be a duration"); |
| 44 |
static_assert(__is_ratio<Period>::value, "Second template parameter of duration must be a std::ratio"); |
| 45 |
static_assert(Period::num > 0, "duration period must be positive"); |
| 46 |
public: |
| 47 |
typedef Rep rep; |
| 48 |
typedef Period period; |
| 49 |
|
| 50 |
constexpr duration() = default; |
| 51 |
template <class Rep2> |
| 52 |
constexpr explicit duration(const Rep2& r, |
| 53 |
typename enable_if |
| 54 |
< |
| 55 |
is_convertible<Rep2, rep>::value && |
| 56 |
(treat_as_floating_point<rep>::value || |
| 57 |
!treat_as_floating_point<rep>::value && !treat_as_floating_point<Rep2>::value) |
| 58 |
>::type* = 0); |
| 59 |
|
| 60 |
// conversions |
| 61 |
template <class Rep2, class Period2> |
| 62 |
constexpr duration(const duration<Rep2, Period2>& d, |
| 63 |
typename enable_if |
| 64 |
< |
| 65 |
treat_as_floating_point<rep>::value || |
| 66 |
ratio_divide<Period2, period>::type::den == 1 |
| 67 |
>::type* = 0); |
| 68 |
|
| 69 |
// observer |
| 70 |
|
| 71 |
constexpr rep count() const; |
| 72 |
|
| 73 |
// arithmetic |
| 74 |
|
| 75 |
constexpr duration operator+() const; |
| 76 |
constexpr duration operator-() const; |
| 77 |
duration& operator++(); |
| 78 |
duration operator++(int); |
| 79 |
duration& operator--(); |
| 80 |
duration operator--(int); |
| 81 |
|
| 82 |
duration& operator+=(const duration& d); |
| 83 |
duration& operator-=(const duration& d); |
| 84 |
|
| 85 |
duration& operator*=(const rep& rhs); |
| 86 |
duration& operator/=(const rep& rhs); |
| 87 |
|
| 88 |
// special values |
| 89 |
|
| 90 |
static constexpr duration zero(); |
| 91 |
static constexpr duration min(); |
| 92 |
static constexpr duration max(); |
| 93 |
}; |
| 94 |
|
| 95 |
typedef duration<long long, nano> nanoseconds; |
| 96 |
typedef duration<long long, micro> microseconds; |
| 97 |
typedef duration<long long, milli> milliseconds; |
| 98 |
typedef duration<long long > seconds; |
| 99 |
typedef duration< long, ratio< 60> > minutes; |
| 100 |
typedef duration< long, ratio<3600> > hours; |
| 101 |
|
| 102 |
template <class Clock, class Duration = typename Clock::duration> |
| 103 |
class time_point |
| 104 |
{
|
| 105 |
public: |
| 106 |
typedef Clock clock; |
| 107 |
typedef Duration duration; |
| 108 |
typedef typename duration::rep rep; |
| 109 |
typedef typename duration::period period; |
| 110 |
private: |
| 111 |
duration d_; // exposition only |
| 112 |
|
| 113 |
public: |
| 114 |
time_point(); // has value "epoch" // constexpr in C++14 |
| 115 |
explicit time_point(const duration& d); // same as time_point() + d // constexpr in C++14 |
| 116 |
|
| 117 |
// conversions |
| 118 |
template <class Duration2> |
| 119 |
time_point(const time_point<clock, Duration2>& t); // constexpr in C++14 |
| 120 |
|
| 121 |
// observer |
| 122 |
|
| 123 |
duration time_since_epoch() const; // constexpr in C++14 |
| 124 |
|
| 125 |
// arithmetic |
| 126 |
|
| 127 |
time_point& operator+=(const duration& d); |
| 128 |
time_point& operator-=(const duration& d); |
| 129 |
|
| 130 |
// special values |
| 131 |
|
| 132 |
static constexpr time_point min(); |
| 133 |
static constexpr time_point max(); |
| 134 |
}; |
| 135 |
|
| 136 |
} // chrono |
| 137 |
|
| 138 |
// common_type traits |
| 139 |
template <class Rep1, class Period1, class Rep2, class Period2> |
| 140 |
struct common_type<chrono::duration<Rep1, Period1>, chrono::duration<Rep2, Period2>>; |
| 141 |
|
| 142 |
template <class Clock, class Duration1, class Duration2> |
| 143 |
struct common_type<chrono::time_point<Clock, Duration1>, chrono::time_point<Clock, Duration2>>; |
| 144 |
|
| 145 |
namespace chrono {
|
| 146 |
|
| 147 |
// duration arithmetic |
| 148 |
template <class Rep1, class Period1, class Rep2, class Period2> |
| 149 |
constexpr |
| 150 |
typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type |
| 151 |
operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| 152 |
template <class Rep1, class Period1, class Rep2, class Period2> |
| 153 |
constexpr |
| 154 |
typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type |
| 155 |
operator-(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| 156 |
template <class Rep1, class Period, class Rep2> |
| 157 |
constexpr |
| 158 |
duration<typename common_type<Rep1, Rep2>::type, Period> |
| 159 |
operator*(const duration<Rep1, Period>& d, const Rep2& s); |
| 160 |
template <class Rep1, class Period, class Rep2> |
| 161 |
constexpr |
| 162 |
duration<typename common_type<Rep1, Rep2>::type, Period> |
| 163 |
operator*(const Rep1& s, const duration<Rep2, Period>& d); |
| 164 |
template <class Rep1, class Period, class Rep2> |
| 165 |
constexpr |
| 166 |
duration<typename common_type<Rep1, Rep2>::type, Period> |
| 167 |
operator/(const duration<Rep1, Period>& d, const Rep2& s); |
| 168 |
template <class Rep1, class Period1, class Rep2, class Period2> |
| 169 |
constexpr |
| 170 |
typename common_type<Rep1, Rep2>::type |
| 171 |
operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| 172 |
|
| 173 |
// duration comparisons |
| 174 |
template <class Rep1, class Period1, class Rep2, class Period2> |
| 175 |
constexpr |
| 176 |
bool operator==(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| 177 |
template <class Rep1, class Period1, class Rep2, class Period2> |
| 178 |
constexpr |
| 179 |
bool operator!=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| 180 |
template <class Rep1, class Period1, class Rep2, class Period2> |
| 181 |
constexpr |
| 182 |
bool operator< (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| 183 |
template <class Rep1, class Period1, class Rep2, class Period2> |
| 184 |
constexpr |
| 185 |
bool operator<=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| 186 |
template <class Rep1, class Period1, class Rep2, class Period2> |
| 187 |
constexpr |
| 188 |
bool operator> (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| 189 |
template <class Rep1, class Period1, class Rep2, class Period2> |
| 190 |
constexpr |
| 191 |
bool operator>=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); |
| 192 |
|
| 193 |
// duration_cast |
| 194 |
template <class ToDuration, class Rep, class Period> |
| 195 |
ToDuration duration_cast(const duration<Rep, Period>& d); |
| 196 |
|
| 197 |
// time_point arithmetic (all constexpr in C++14) |
| 198 |
template <class Clock, class Duration1, class Rep2, class Period2> |
| 199 |
time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type> |
| 200 |
operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs); |
| 201 |
template <class Rep1, class Period1, class Clock, class Duration2> |
| 202 |
time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type> |
| 203 |
operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs); |
| 204 |
template <class Clock, class Duration1, class Rep2, class Period2> |
| 205 |
time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type> |
| 206 |
operator-(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs); |
| 207 |
template <class Clock, class Duration1, class Duration2> |
| 208 |
typename common_type<Duration1, Duration2>::type |
| 209 |
operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| 210 |
|
| 211 |
// time_point comparisons (all constexpr in C++14) |
| 212 |
template <class Clock, class Duration1, class Duration2> |
| 213 |
bool operator==(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| 214 |
template <class Clock, class Duration1, class Duration2> |
| 215 |
bool operator!=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| 216 |
template <class Clock, class Duration1, class Duration2> |
| 217 |
bool operator< (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| 218 |
template <class Clock, class Duration1, class Duration2> |
| 219 |
bool operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| 220 |
template <class Clock, class Duration1, class Duration2> |
| 221 |
bool operator> (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| 222 |
template <class Clock, class Duration1, class Duration2> |
| 223 |
bool operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| 224 |
|
| 225 |
// time_point_cast (constexpr in C++14) |
| 226 |
|
| 227 |
template <class ToDuration, class Clock, class Duration> |
| 228 |
time_point<Clock, ToDuration> time_point_cast(const time_point<Clock, Duration>& t); |
| 229 |
|
| 230 |
// Clocks |
| 231 |
|
| 232 |
class system_clock |
| 233 |
{
|
| 234 |
public: |
| 235 |
typedef microseconds duration; |
| 236 |
typedef duration::rep rep; |
| 237 |
typedef duration::period period; |
| 238 |
typedef chrono::time_point<system_clock> time_point; |
| 239 |
static const bool is_steady = false; // constexpr in C++14 |
| 240 |
|
| 241 |
static time_point now() noexcept; |
| 242 |
static time_t to_time_t (const time_point& __t) noexcept; |
| 243 |
static time_point from_time_t(time_t __t) noexcept; |
| 244 |
}; |
| 245 |
|
| 246 |
class steady_clock |
| 247 |
{
|
| 248 |
public: |
| 249 |
typedef nanoseconds duration; |
| 250 |
typedef duration::rep rep; |
| 251 |
typedef duration::period period; |
| 252 |
typedef chrono::time_point<steady_clock, duration> time_point; |
| 253 |
static const bool is_steady = true; // constexpr in C++14 |
| 254 |
|
| 255 |
static time_point now() noexcept; |
| 256 |
}; |
| 257 |
|
| 258 |
typedef steady_clock high_resolution_clock; |
| 259 |
|
| 260 |
} // chrono |
| 261 |
|
| 262 |
constexpr chrono::hours operator "" h(unsigned long long); // C++14 |
| 263 |
constexpr chrono::duration<unspecified , ratio<3600,1>> operator "" h(long double); // C++14 |
| 264 |
constexpr chrono::minutes operator "" min(unsigned long long); // C++14 |
| 265 |
constexpr chrono::duration<unspecified , ratio<60,1>> operator "" min(long double); // C++14 |
| 266 |
constexpr chrono::seconds operator "" s(unsigned long long); // C++14 |
| 267 |
constexpr chrono::duration<unspecified > operator "" s(long double); // C++14 |
| 268 |
constexpr chrono::milliseconds operator "" ms(unsigned long long); // C++14 |
| 269 |
constexpr chrono::duration<unspecified , milli> operator "" ms(long double); // C++14 |
| 270 |
constexpr chrono::microseconds operator "" us(unsigned long long); // C++14 |
| 271 |
constexpr chrono::duration<unspecified , micro> operator "" us(long double); // C++14 |
| 272 |
constexpr chrono::nanoseconds operator "" ns(unsigned long long); // C++14 |
| 273 |
constexpr chrono::duration<unspecified , nano> operator "" ns(long double); // C++14 |
| 274 |
|
| 275 |
} // std |
| 276 |
*/ |
| 277 |
|
| 278 |
#include <__config> |
| 279 |
#include <ctime> |
| 280 |
#include <type_traits> |
| 281 |
#include <ratio> |
| 282 |
#include <limits> |
| 283 |
|
| 284 |
#include <__undef_min_max> |
| 285 |
|
| 286 |
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 287 |
#pragma GCC system_header |
| 288 |
#endif |
| 289 |
|
| 290 |
_LIBCPP_BEGIN_NAMESPACE_STD |
| 291 |
|
| 292 |
namespace chrono |
| 293 |
{
|
| 294 |
|
| 295 |
template <class _Rep, class _Period = ratio<1> > class _LIBCPP_TYPE_VIS_ONLY duration; |
| 296 |
|
| 297 |
template <class _Tp> |
| 298 |
struct __is_duration : false_type {};
|
| 299 |
|
| 300 |
template <class _Rep, class _Period> |
| 301 |
struct __is_duration<duration<_Rep, _Period> > : true_type {};
|
| 302 |
|
| 303 |
template <class _Rep, class _Period> |
| 304 |
struct __is_duration<const duration<_Rep, _Period> > : true_type {};
|
| 305 |
|
| 306 |
template <class _Rep, class _Period> |
| 307 |
struct __is_duration<volatile duration<_Rep, _Period> > : true_type {};
|
| 308 |
|
| 309 |
template <class _Rep, class _Period> |
| 310 |
struct __is_duration<const volatile duration<_Rep, _Period> > : true_type {};
|
| 311 |
|
| 312 |
} // chrono |
| 313 |
|
| 314 |
template <class _Rep1, class _Period1, class _Rep2, class _Period2> |
| 315 |
struct _LIBCPP_TYPE_VIS_ONLY common_type<chrono::duration<_Rep1, _Period1>, |
| 316 |
chrono::duration<_Rep2, _Period2> > |
| 317 |
{
|
| 318 |
typedef chrono::duration<typename common_type<_Rep1, _Rep2>::type, |
| 319 |
typename __ratio_gcd<_Period1, _Period2>::type> type; |
| 320 |
}; |
| 321 |
|
| 322 |
namespace chrono {
|
| 323 |
|
| 324 |
// duration_cast |
| 325 |
|
| 326 |
template <class _FromDuration, class _ToDuration, |
| 327 |
class _Period = typename ratio_divide<typename _FromDuration::period, typename _ToDuration::period>::type, |
| 328 |
bool = _Period::num == 1, |
| 329 |
bool = _Period::den == 1> |
| 330 |
struct __duration_cast; |
| 331 |
|
| 332 |
template <class _FromDuration, class _ToDuration, class _Period> |
| 333 |
struct __duration_cast<_FromDuration, _ToDuration, _Period, true, true> |
| 334 |
{
|
| 335 |
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| 336 |
_ToDuration operator()(const _FromDuration& __fd) const |
| 337 |
{
|
| 338 |
return _ToDuration(static_cast<typename _ToDuration::rep>(__fd.count())); |
| 339 |
} |
| 340 |
}; |
| 341 |
|
| 342 |
template <class _FromDuration, class _ToDuration, class _Period> |
| 343 |
struct __duration_cast<_FromDuration, _ToDuration, _Period, true, false> |
| 344 |
{
|
| 345 |
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| 346 |
_ToDuration operator()(const _FromDuration& __fd) const |
| 347 |
{
|
| 348 |
typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; |
| 349 |
return _ToDuration(static_cast<typename _ToDuration::rep>( |
| 350 |
static_cast<_Ct>(__fd.count()) / static_cast<_Ct>(_Period::den))); |
| 351 |
} |
| 352 |
}; |
| 353 |
|
| 354 |
template <class _FromDuration, class _ToDuration, class _Period> |
| 355 |
struct __duration_cast<_FromDuration, _ToDuration, _Period, false, true> |
| 356 |
{
|
| 357 |
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| 358 |
_ToDuration operator()(const _FromDuration& __fd) const |
| 359 |
{
|
| 360 |
typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; |
| 361 |
return _ToDuration(static_cast<typename _ToDuration::rep>( |
| 362 |
static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num))); |
| 363 |
} |
| 364 |
}; |
| 365 |
|
| 366 |
template <class _FromDuration, class _ToDuration, class _Period> |
| 367 |
struct __duration_cast<_FromDuration, _ToDuration, _Period, false, false> |
| 368 |
{
|
| 369 |
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| 370 |
_ToDuration operator()(const _FromDuration& __fd) const |
| 371 |
{
|
| 372 |
typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; |
| 373 |
return _ToDuration(static_cast<typename _ToDuration::rep>( |
| 374 |
static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num) |
| 375 |
/ static_cast<_Ct>(_Period::den))); |
| 376 |
} |
| 377 |
}; |
| 378 |
|
| 379 |
template <class _ToDuration, class _Rep, class _Period> |
| 380 |
inline _LIBCPP_INLINE_VISIBILITY |
| 381 |
_LIBCPP_CONSTEXPR |
| 382 |
typename enable_if |
| 383 |
< |
| 384 |
__is_duration<_ToDuration>::value, |
| 385 |
_ToDuration |
| 386 |
>::type |
| 387 |
duration_cast(const duration<_Rep, _Period>& __fd) |
| 388 |
{
|
| 389 |
return __duration_cast<duration<_Rep, _Period>, _ToDuration>()(__fd); |
| 390 |
} |
| 391 |
|
| 392 |
template <class _Rep> |
| 393 |
struct _LIBCPP_TYPE_VIS_ONLY treat_as_floating_point : is_floating_point<_Rep> {};
|
| 394 |
|
| 395 |
template <class _Rep> |
| 396 |
struct _LIBCPP_TYPE_VIS_ONLY duration_values |
| 397 |
{
|
| 398 |
public: |
| 399 |
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep zero() {return _Rep(0);}
|
| 400 |
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep max() {return numeric_limits<_Rep>::max();}
|
| 401 |
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep min() {return numeric_limits<_Rep>::lowest();}
|
| 402 |
}; |
| 403 |
|
| 404 |
// duration |
| 405 |
|
| 406 |
template <class _Rep, class _Period> |
| 407 |
class _LIBCPP_TYPE_VIS_ONLY duration |
| 408 |
{
|
| 409 |
static_assert(!__is_duration<_Rep>::value, "A duration representation can not be a duration"); |
| 410 |
static_assert(__is_ratio<_Period>::value, "Second template parameter of duration must be a std::ratio"); |
| 411 |
static_assert(_Period::num > 0, "duration period must be positive"); |
| 412 |
|
| 413 |
template <class _R1, class _R2> |
| 414 |
struct __no_overflow |
| 415 |
{
|
| 416 |
private: |
| 417 |
static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value; |
| 418 |
static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value; |
| 419 |
static const intmax_t __n1 = _R1::num / __gcd_n1_n2; |
| 420 |
static const intmax_t __d1 = _R1::den / __gcd_d1_d2; |
| 421 |
static const intmax_t __n2 = _R2::num / __gcd_n1_n2; |
| 422 |
static const intmax_t __d2 = _R2::den / __gcd_d1_d2; |
| 423 |
static const intmax_t max = -((intmax_t(1) << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1); |
| 424 |
|
| 425 |
template <intmax_t _Xp, intmax_t _Yp, bool __overflow> |
| 426 |
struct __mul // __overflow == false |
| 427 |
{
|
| 428 |
static const intmax_t value = _Xp * _Yp; |
| 429 |
}; |
| 430 |
|
| 431 |
template <intmax_t _Xp, intmax_t _Yp> |
| 432 |
struct __mul<_Xp, _Yp, true> |
| 433 |
{
|
| 434 |
static const intmax_t value = 1; |
| 435 |
}; |
| 436 |
|
| 437 |
public: |
| 438 |
static const bool value = (__n1 <= max / __d2) && (__n2 <= max / __d1); |
| 439 |
typedef ratio<__mul<__n1, __d2, !value>::value, |
| 440 |
__mul<__n2, __d1, !value>::value> type; |
| 441 |
}; |
| 442 |
|
| 443 |
public: |
| 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 |