diff options
Diffstat (limited to 'libcxx/include/__chrono/hh_mm_ss.h')
| -rw-r--r-- | libcxx/include/__chrono/hh_mm_ss.h | 117 |
1 files changed, 58 insertions, 59 deletions
diff --git a/libcxx/include/__chrono/hh_mm_ss.h b/libcxx/include/__chrono/hh_mm_ss.h index 0adee2d..57d2247 100644 --- a/libcxx/include/__chrono/hh_mm_ss.h +++ b/libcxx/include/__chrono/hh_mm_ss.h @@ -24,85 +24,84 @@ _LIBCPP_BEGIN_NAMESPACE_STD -namespace chrono -{ +namespace chrono { template <class _Duration> -class hh_mm_ss -{ +class hh_mm_ss { private: - static_assert(__is_duration<_Duration>::value, "template parameter of hh_mm_ss must be a std::chrono::duration"); - using __CommonType = common_type_t<_Duration, chrono::seconds>; - - _LIBCPP_HIDE_FROM_ABI static constexpr uint64_t __pow10(unsigned __exp) - { - uint64_t __ret = 1; - for (unsigned __i = 0; __i < __exp; ++__i) - __ret *= 10U; - return __ret; - } - - _LIBCPP_HIDE_FROM_ABI static constexpr unsigned __width(uint64_t __n, uint64_t __d = 10, unsigned __w = 0) - { - if (__n >= 2 && __d != 0 && __w < 19) - return 1 + __width(__n, __d % __n * 10, __w+1); - return 0; - } + static_assert(__is_duration<_Duration>::value, "template parameter of hh_mm_ss must be a std::chrono::duration"); + using __CommonType = common_type_t<_Duration, chrono::seconds>; + + _LIBCPP_HIDE_FROM_ABI static constexpr uint64_t __pow10(unsigned __exp) { + uint64_t __ret = 1; + for (unsigned __i = 0; __i < __exp; ++__i) + __ret *= 10U; + return __ret; + } + + _LIBCPP_HIDE_FROM_ABI static constexpr unsigned __width(uint64_t __n, uint64_t __d = 10, unsigned __w = 0) { + if (__n >= 2 && __d != 0 && __w < 19) + return 1 + __width(__n, __d % __n * 10, __w + 1); + return 0; + } public: - _LIBCPP_HIDE_FROM_ABI static unsigned constexpr fractional_width = __width(__CommonType::period::den) < 19 ? - __width(__CommonType::period::den) : 6u; - using precision = duration<typename __CommonType::rep, ratio<1, __pow10(fractional_width)>>; + _LIBCPP_HIDE_FROM_ABI static unsigned constexpr fractional_width = + __width(__CommonType::period::den) < 19 ? __width(__CommonType::period::den) : 6u; + using precision = duration<typename __CommonType::rep, ratio<1, __pow10(fractional_width)>>; - _LIBCPP_HIDE_FROM_ABI constexpr hh_mm_ss() noexcept : hh_mm_ss{_Duration::zero()} {} + _LIBCPP_HIDE_FROM_ABI constexpr hh_mm_ss() noexcept : hh_mm_ss{_Duration::zero()} {} - _LIBCPP_HIDE_FROM_ABI constexpr explicit hh_mm_ss(_Duration __d) noexcept : - __is_neg_(__d < _Duration(0)), - __h_(chrono::duration_cast<chrono::hours> (chrono::abs(__d))), + _LIBCPP_HIDE_FROM_ABI constexpr explicit hh_mm_ss(_Duration __d) noexcept + : __is_neg_(__d < _Duration(0)), + __h_(chrono::duration_cast<chrono::hours>(chrono::abs(__d))), __m_(chrono::duration_cast<chrono::minutes>(chrono::abs(__d) - hours())), __s_(chrono::duration_cast<chrono::seconds>(chrono::abs(__d) - hours() - minutes())), - __f_(chrono::duration_cast<precision> (chrono::abs(__d) - hours() - minutes() - seconds())) - {} + __f_(chrono::duration_cast<precision>(chrono::abs(__d) - hours() - minutes() - seconds())) {} - _LIBCPP_HIDE_FROM_ABI constexpr bool is_negative() const noexcept { return __is_neg_; } - _LIBCPP_HIDE_FROM_ABI constexpr chrono::hours hours() const noexcept { return __h_; } - _LIBCPP_HIDE_FROM_ABI constexpr chrono::minutes minutes() const noexcept { return __m_; } - _LIBCPP_HIDE_FROM_ABI constexpr chrono::seconds seconds() const noexcept { return __s_; } - _LIBCPP_HIDE_FROM_ABI constexpr precision subseconds() const noexcept { return __f_; } + _LIBCPP_HIDE_FROM_ABI constexpr bool is_negative() const noexcept { return __is_neg_; } + _LIBCPP_HIDE_FROM_ABI constexpr chrono::hours hours() const noexcept { return __h_; } + _LIBCPP_HIDE_FROM_ABI constexpr chrono::minutes minutes() const noexcept { return __m_; } + _LIBCPP_HIDE_FROM_ABI constexpr chrono::seconds seconds() const noexcept { return __s_; } + _LIBCPP_HIDE_FROM_ABI constexpr precision subseconds() const noexcept { return __f_; } - _LIBCPP_HIDE_FROM_ABI constexpr precision to_duration() const noexcept - { - auto __dur = __h_ + __m_ + __s_ + __f_; - return __is_neg_ ? -__dur : __dur; - } + _LIBCPP_HIDE_FROM_ABI constexpr precision to_duration() const noexcept { + auto __dur = __h_ + __m_ + __s_ + __f_; + return __is_neg_ ? -__dur : __dur; + } - _LIBCPP_HIDE_FROM_ABI constexpr explicit operator precision() const noexcept { return to_duration(); } + _LIBCPP_HIDE_FROM_ABI constexpr explicit operator precision() const noexcept { return to_duration(); } private: - bool __is_neg_; - chrono::hours __h_; - chrono::minutes __m_; - chrono::seconds __s_; - precision __f_; + bool __is_neg_; + chrono::hours __h_; + chrono::minutes __m_; + chrono::seconds __s_; + precision __f_; }; _LIBCPP_CTAD_SUPPORTED_FOR_TYPE(hh_mm_ss); -_LIBCPP_HIDE_FROM_ABI inline constexpr bool is_am(const hours& __h) noexcept { return __h >= hours( 0) && __h < hours(12); } -_LIBCPP_HIDE_FROM_ABI inline constexpr bool is_pm(const hours& __h) noexcept { return __h >= hours(12) && __h < hours(24); } +_LIBCPP_HIDE_FROM_ABI inline constexpr bool is_am(const hours& __h) noexcept { + return __h >= hours(0) && __h < hours(12); +} +_LIBCPP_HIDE_FROM_ABI inline constexpr bool is_pm(const hours& __h) noexcept { + return __h >= hours(12) && __h < hours(24); +} -_LIBCPP_HIDE_FROM_ABI inline constexpr hours make12(const hours& __h) noexcept -{ - if (__h == hours( 0)) return hours(12); - else if (__h <= hours(12)) return __h; - else return __h - hours(12); +_LIBCPP_HIDE_FROM_ABI inline constexpr hours make12(const hours& __h) noexcept { + if (__h == hours(0)) + return hours(12); + else if (__h <= hours(12)) + return __h; + else + return __h - hours(12); } -_LIBCPP_HIDE_FROM_ABI inline constexpr hours make24(const hours& __h, bool __is_pm) noexcept -{ - if (__is_pm) - return __h == hours(12) ? __h : __h + hours(12); - else - return __h == hours(12) ? hours(0) : __h; +_LIBCPP_HIDE_FROM_ABI inline constexpr hours make24(const hours& __h, bool __is_pm) noexcept { + if (__is_pm) + return __h == hours(12) ? __h : __h + hours(12); + else + return __h == hours(12) ? hours(0) : __h; } } // namespace chrono |