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Diffstat (limited to '3rdParty/Boost/src/boost/chrono/time_point.hpp')
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diff --git a/3rdParty/Boost/src/boost/chrono/time_point.hpp b/3rdParty/Boost/src/boost/chrono/time_point.hpp new file mode 100644 index 0000000..7e80b59 --- /dev/null +++ b/3rdParty/Boost/src/boost/chrono/time_point.hpp @@ -0,0 +1,379 @@ +// duration.hpp --------------------------------------------------------------// + +// Copyright 2008 Howard Hinnant +// Copyright 2008 Beman Dawes +// Copyright 2009-2012 Vicente J. Botet Escriba + +// Distributed under the Boost Software License, Version 1.0. +// See http://www.boost.org/LICENSE_1_0.txt + +/* + +This code was derived by Beman Dawes from Howard Hinnant's time2_demo prototype. +Many thanks to Howard for making his code available under the Boost license. +The original code was modified to conform to Boost conventions and to section +20.9 Time utilities [time] of the C++ committee's working paper N2798. +See http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2798.pdf. + +time2_demo contained this comment: + + Much thanks to Andrei Alexandrescu, + Walter Brown, + Peter Dimov, + Jeff Garland, + Terry Golubiewski, + Daniel Krugler, + Anthony Williams. +*/ + + +#ifndef BOOST_CHRONO_TIME_POINT_HPP +#define BOOST_CHRONO_TIME_POINT_HPP + +#include <boost/chrono/duration.hpp> +#include <iostream> + +#ifndef BOOST_CHRONO_HEADER_ONLY +// this must occur after all of the includes and before any code appears: +#include <boost/config/abi_prefix.hpp> // must be the last #include +#endif + +//----------------------------------------------------------------------------// +// // +// 20.9 Time utilities [time] // +// synopsis // +// // +//----------------------------------------------------------------------------// + +namespace boost { +namespace chrono { + + template <class Clock, class Duration = typename Clock::duration> + class time_point; + + +} // namespace chrono + + +// common_type trait specializations + +template <class Clock, class Duration1, class Duration2> + struct common_type<chrono::time_point<Clock, Duration1>, + chrono::time_point<Clock, Duration2> >; + + +//----------------------------------------------------------------------------// +// 20.9.2.3 Specializations of common_type [time.traits.specializations] // +//----------------------------------------------------------------------------// + + +template <class Clock, class Duration1, class Duration2> +struct common_type<chrono::time_point<Clock, Duration1>, + chrono::time_point<Clock, Duration2> > +{ + typedef chrono::time_point<Clock, + typename common_type<Duration1, Duration2>::type> type; +}; + + + +namespace chrono { + + // time_point arithmetic + template <class Clock, class Duration1, class Rep2, class Period2> + inline BOOST_CONSTEXPR + time_point<Clock, + typename common_type<Duration1, duration<Rep2, Period2> >::type> + operator+( + const time_point<Clock, Duration1>& lhs, + const duration<Rep2, Period2>& rhs); + template <class Rep1, class Period1, class Clock, class Duration2> + inline BOOST_CONSTEXPR + time_point<Clock, + typename common_type<duration<Rep1, Period1>, Duration2>::type> + operator+( + const duration<Rep1, Period1>& lhs, + const time_point<Clock, Duration2>& rhs); + template <class Clock, class Duration1, class Rep2, class Period2> + inline BOOST_CONSTEXPR + time_point<Clock, + typename common_type<Duration1, duration<Rep2, Period2> >::type> + operator-( + const time_point<Clock, Duration1>& lhs, + const duration<Rep2, Period2>& rhs); + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + typename common_type<Duration1, Duration2>::type + operator-( + const time_point<Clock, Duration1>& lhs, + const time_point<Clock, + Duration2>& rhs); + + // time_point comparisons + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + bool operator==( + const time_point<Clock, Duration1>& lhs, + const time_point<Clock, Duration2>& rhs); + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + bool operator!=( + const time_point<Clock, Duration1>& lhs, + const time_point<Clock, Duration2>& rhs); + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + bool operator< ( + const time_point<Clock, Duration1>& lhs, + const time_point<Clock, Duration2>& rhs); + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + bool operator<=( + const time_point<Clock, Duration1>& lhs, + const time_point<Clock, Duration2>& rhs); + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + bool operator> ( + const time_point<Clock, Duration1>& lhs, + const time_point<Clock, Duration2>& rhs); + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + bool operator>=( + const time_point<Clock, Duration1>& lhs, + const time_point<Clock, Duration2>& rhs); + + // time_point_cast + template <class ToDuration, class Clock, class Duration> + inline BOOST_CONSTEXPR + time_point<Clock, ToDuration> time_point_cast(const time_point<Clock, Duration>& t); + +//----------------------------------------------------------------------------// +// // +// 20.9.4 Class template time_point [time.point] // +// // +//----------------------------------------------------------------------------// + + template <class Clock, class Duration> + class time_point + { + BOOST_CHRONO_STATIC_ASSERT(boost::chrono::detail::is_duration<Duration>::value, + BOOST_CHRONO_SECOND_TEMPLATE_PARAMETER_OF_TIME_POINT_MUST_BE_A_BOOST_CHRONO_DURATION, (Duration)); + public: + typedef Clock clock; + typedef Duration duration; + typedef typename duration::rep rep; + typedef typename duration::period period; + typedef Duration difference_type; + + private: + duration d_; + + public: + BOOST_CONSTEXPR + time_point() : d_(duration::zero()) + {} + BOOST_CONSTEXPR explicit time_point(const duration& d) + : d_(d) + {} + + // conversions + template <class Duration2> + BOOST_CONSTEXPR + time_point(const time_point<clock, Duration2>& t + , typename boost::enable_if + < + boost::is_convertible<Duration2, duration> + >::type* = 0 + ) + : d_(t.time_since_epoch()) + { + } + // observer + + BOOST_CONSTEXPR + duration time_since_epoch() const + { + return d_; + } + + // arithmetic + +#ifdef BOOST_CHRONO_EXTENSIONS + BOOST_CONSTEXPR + time_point operator+() const {return *this;} + BOOST_CONSTEXPR + time_point operator-() const {return time_point(-d_);} + time_point& operator++() {++d_; return *this;} + time_point operator++(int) {return time_point(d_++);} + time_point& operator--() {--d_; return *this;} + time_point operator--(int) {return time_point(d_--);} + + time_point& operator+=(const rep& r) {d_ += duration(r); return *this;} + time_point& operator-=(const rep& r) {d_ -= duration(r); return *this;} + +#endif + + time_point& operator+=(const duration& d) {d_ += d; return *this;} + time_point& operator-=(const duration& d) {d_ -= d; return *this;} + + // special values + + static BOOST_CHRONO_LIB_CONSTEXPR time_point + min BOOST_PREVENT_MACRO_SUBSTITUTION () + { + return time_point((duration::min)()); + } + static BOOST_CHRONO_LIB_CONSTEXPR time_point + max BOOST_PREVENT_MACRO_SUBSTITUTION () + { + return time_point((duration::max)()); + } + }; + +//----------------------------------------------------------------------------// +// 20.9.4.5 time_point non-member arithmetic [time.point.nonmember] // +//----------------------------------------------------------------------------// + + // time_point operator+(time_point x, duration y); + + template <class Clock, class Duration1, class Rep2, class Period2> + inline BOOST_CONSTEXPR + time_point<Clock, + typename common_type<Duration1, duration<Rep2, Period2> >::type> + operator+(const time_point<Clock, Duration1>& lhs, + const duration<Rep2, Period2>& rhs) + { + typedef typename common_type<Duration1, duration<Rep2, Period2> >::type CDuration; + typedef time_point< + Clock, + CDuration + > TimeResult; + return TimeResult(lhs.time_since_epoch() + CDuration(rhs)); + } + + // time_point operator+(duration x, time_point y); + + template <class Rep1, class Period1, class Clock, class Duration2> + inline BOOST_CONSTEXPR + time_point<Clock, + typename common_type<duration<Rep1, Period1>, Duration2>::type> + operator+(const duration<Rep1, Period1>& lhs, + const time_point<Clock, Duration2>& rhs) + { + return rhs + lhs; + } + + // time_point operator-(time_point x, duration y); + + template <class Clock, class Duration1, class Rep2, class Period2> + inline BOOST_CONSTEXPR + time_point<Clock, + typename common_type<Duration1, duration<Rep2, Period2> >::type> + operator-(const time_point<Clock, Duration1>& lhs, + const duration<Rep2, Period2>& rhs) + { + return lhs + (-rhs); + } + + // duration operator-(time_point x, time_point y); + + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + typename common_type<Duration1, Duration2>::type + operator-(const time_point<Clock, Duration1>& lhs, + const time_point<Clock, Duration2>& rhs) + { + return lhs.time_since_epoch() - rhs.time_since_epoch(); + } + +//----------------------------------------------------------------------------// +// 20.9.4.6 time_point comparisons [time.point.comparisons] // +//----------------------------------------------------------------------------// + + // time_point == + + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + bool + operator==(const time_point<Clock, Duration1>& lhs, + const time_point<Clock, Duration2>& rhs) + { + return lhs.time_since_epoch() == rhs.time_since_epoch(); + } + + // time_point != + + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + bool + operator!=(const time_point<Clock, Duration1>& lhs, + const time_point<Clock, Duration2>& rhs) + { + return !(lhs == rhs); + } + + // time_point < + + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + bool + operator<(const time_point<Clock, Duration1>& lhs, + const time_point<Clock, Duration2>& rhs) + { + return lhs.time_since_epoch() < rhs.time_since_epoch(); + } + + // time_point > + + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + bool + operator>(const time_point<Clock, Duration1>& lhs, + const time_point<Clock, Duration2>& rhs) + { + return rhs < lhs; + } + + // time_point <= + + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + bool + operator<=(const time_point<Clock, Duration1>& lhs, + const time_point<Clock, Duration2>& rhs) + { + return !(rhs < lhs); + } + + // time_point >= + + template <class Clock, class Duration1, class Duration2> + inline BOOST_CONSTEXPR + bool + operator>=(const time_point<Clock, Duration1>& lhs, + const time_point<Clock, Duration2>& rhs) + { + return !(lhs < rhs); + } + +//----------------------------------------------------------------------------// +// 20.9.4.7 time_point_cast [time.point.cast] // +//----------------------------------------------------------------------------// + + template <class ToDuration, class Clock, class Duration> + inline BOOST_CONSTEXPR + time_point<Clock, ToDuration> + time_point_cast(const time_point<Clock, Duration>& t) + { + return time_point<Clock, ToDuration>( + duration_cast<ToDuration>(t.time_since_epoch())); + } + +} // namespace chrono +} // namespace boost + +#ifndef BOOST_CHRONO_HEADER_ONLY +// the suffix header occurs after all of our code: +#include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas +#endif + +#endif // BOOST_CHRONO_TIME_POINT_HPP |