http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/8777ab5f/thirdparty/date/include/date/julian.h
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+#ifndef JULIAN_H
+#define JULIAN_H
+
+// The MIT License (MIT)
+//
+// Copyright (c) 2016 Howard Hinnant
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE
+// SOFTWARE.
+//
+// Our apologies. When the previous paragraph was written, lowercase had not
yet
+// been invented (that would involve another several millennia of evolution).
+// We did not mean to shout.
+
+#include "date.h"
+
+namespace julian
+{
+
+// durations
+
+using days = date::days;
+
+using weeks = date::weeks;
+
+using years = std::chrono::duration
+ <int, std::ratio_multiply<std::ratio<1461, 4>, days::period>>;
+
+using months = std::chrono::duration
+ <int, std::ratio_divide<years::period, std::ratio<12>>>;
+
+// time_point
+
+using sys_days = date::sys_days;
+using local_days = date::local_days;
+
+// types
+
+struct last_spec
+{
+ explicit last_spec() = default;
+};
+
+class day;
+class month;
+class year;
+
+class weekday;
+class weekday_indexed;
+class weekday_last;
+
+class month_day;
+class month_day_last;
+class month_weekday;
+class month_weekday_last;
+
+class year_month;
+
+class year_month_day;
+class year_month_day_last;
+class year_month_weekday;
+class year_month_weekday_last;
+
+// date composition operators
+
+CONSTCD11 year_month operator/(const year& y, const month& m) NOEXCEPT;
+CONSTCD11 year_month operator/(const year& y, int m) NOEXCEPT;
+
+CONSTCD11 month_day operator/(const day& d, const month& m) NOEXCEPT;
+CONSTCD11 month_day operator/(const day& d, int m) NOEXCEPT;
+CONSTCD11 month_day operator/(const month& m, const day& d) NOEXCEPT;
+CONSTCD11 month_day operator/(const month& m, int d) NOEXCEPT;
+CONSTCD11 month_day operator/(int m, const day& d) NOEXCEPT;
+
+CONSTCD11 month_day_last operator/(const month& m, last_spec) NOEXCEPT;
+CONSTCD11 month_day_last operator/(int m, last_spec) NOEXCEPT;
+CONSTCD11 month_day_last operator/(last_spec, const month& m) NOEXCEPT;
+CONSTCD11 month_day_last operator/(last_spec, int m) NOEXCEPT;
+
+CONSTCD11 month_weekday operator/(const month& m, const weekday_indexed& wdi)
NOEXCEPT;
+CONSTCD11 month_weekday operator/(int m, const weekday_indexed& wdi)
NOEXCEPT;
+CONSTCD11 month_weekday operator/(const weekday_indexed& wdi, const month& m)
NOEXCEPT;
+CONSTCD11 month_weekday operator/(const weekday_indexed& wdi, int m)
NOEXCEPT;
+
+CONSTCD11 month_weekday_last operator/(const month& m, const weekday_last&
wdl) NOEXCEPT;
+CONSTCD11 month_weekday_last operator/(int m, const weekday_last&
wdl) NOEXCEPT;
+CONSTCD11 month_weekday_last operator/(const weekday_last& wdl, const month&
m) NOEXCEPT;
+CONSTCD11 month_weekday_last operator/(const weekday_last& wdl, int
m) NOEXCEPT;
+
+CONSTCD11 year_month_day operator/(const year_month& ym, const day& d)
NOEXCEPT;
+CONSTCD11 year_month_day operator/(const year_month& ym, int d)
NOEXCEPT;
+CONSTCD11 year_month_day operator/(const year& y, const month_day& md)
NOEXCEPT;
+CONSTCD11 year_month_day operator/(int y, const month_day& md)
NOEXCEPT;
+CONSTCD11 year_month_day operator/(const month_day& md, const year& y)
NOEXCEPT;
+CONSTCD11 year_month_day operator/(const month_day& md, int y)
NOEXCEPT;
+
+CONSTCD11
+ year_month_day_last operator/(const year_month& ym, last_spec) NOEXCEPT;
+CONSTCD11
+ year_month_day_last operator/(const year& y, const month_day_last& mdl)
NOEXCEPT;
+CONSTCD11
+ year_month_day_last operator/(int y, const month_day_last& mdl)
NOEXCEPT;
+CONSTCD11
+ year_month_day_last operator/(const month_day_last& mdl, const year& y)
NOEXCEPT;
+CONSTCD11
+ year_month_day_last operator/(const month_day_last& mdl, int y)
NOEXCEPT;
+
+CONSTCD11
+year_month_weekday
+operator/(const year_month& ym, const weekday_indexed& wdi) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday
+operator/(const year& y, const month_weekday& mwd) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday
+operator/(int y, const month_weekday& mwd) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday
+operator/(const month_weekday& mwd, const year& y) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday
+operator/(const month_weekday& mwd, int y) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday_last
+operator/(const year_month& ym, const weekday_last& wdl) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday_last
+operator/(const year& y, const month_weekday_last& mwdl) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday_last
+operator/(int y, const month_weekday_last& mwdl) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday_last
+operator/(const month_weekday_last& mwdl, const year& y) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday_last
+operator/(const month_weekday_last& mwdl, int y) NOEXCEPT;
+
+// Detailed interface
+
+// day
+
+class day
+{
+ unsigned char d_;
+
+public:
+ explicit CONSTCD11 day(unsigned d) NOEXCEPT;
+
+ CONSTCD14 day& operator++() NOEXCEPT;
+ CONSTCD14 day operator++(int) NOEXCEPT;
+ CONSTCD14 day& operator--() NOEXCEPT;
+ CONSTCD14 day operator--(int) NOEXCEPT;
+
+ CONSTCD14 day& operator+=(const days& d) NOEXCEPT;
+ CONSTCD14 day& operator-=(const days& d) NOEXCEPT;
+
+ CONSTCD11 explicit operator unsigned() const NOEXCEPT;
+ CONSTCD11 bool ok() const NOEXCEPT;
+};
+
+CONSTCD11 bool operator==(const day& x, const day& y) NOEXCEPT;
+CONSTCD11 bool operator!=(const day& x, const day& y) NOEXCEPT;
+CONSTCD11 bool operator< (const day& x, const day& y) NOEXCEPT;
+CONSTCD11 bool operator> (const day& x, const day& y) NOEXCEPT;
+CONSTCD11 bool operator<=(const day& x, const day& y) NOEXCEPT;
+CONSTCD11 bool operator>=(const day& x, const day& y) NOEXCEPT;
+
+CONSTCD11 day operator+(const day& x, const days& y) NOEXCEPT;
+CONSTCD11 day operator+(const days& x, const day& y) NOEXCEPT;
+CONSTCD11 day operator-(const day& x, const days& y) NOEXCEPT;
+CONSTCD11 days operator-(const day& x, const day& y) NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const day& d);
+
+// month
+
+class month
+{
+ unsigned char m_;
+
+public:
+ explicit CONSTCD11 month(unsigned m) NOEXCEPT;
+
+ CONSTCD14 month& operator++() NOEXCEPT;
+ CONSTCD14 month operator++(int) NOEXCEPT;
+ CONSTCD14 month& operator--() NOEXCEPT;
+ CONSTCD14 month operator--(int) NOEXCEPT;
+
+ CONSTCD14 month& operator+=(const months& m) NOEXCEPT;
+ CONSTCD14 month& operator-=(const months& m) NOEXCEPT;
+
+ CONSTCD11 explicit operator unsigned() const NOEXCEPT;
+ CONSTCD11 bool ok() const NOEXCEPT;
+};
+
+CONSTCD11 bool operator==(const month& x, const month& y) NOEXCEPT;
+CONSTCD11 bool operator!=(const month& x, const month& y) NOEXCEPT;
+CONSTCD11 bool operator< (const month& x, const month& y) NOEXCEPT;
+CONSTCD11 bool operator> (const month& x, const month& y) NOEXCEPT;
+CONSTCD11 bool operator<=(const month& x, const month& y) NOEXCEPT;
+CONSTCD11 bool operator>=(const month& x, const month& y) NOEXCEPT;
+
+CONSTCD14 month operator+(const month& x, const months& y) NOEXCEPT;
+CONSTCD14 month operator+(const months& x, const month& y) NOEXCEPT;
+CONSTCD14 month operator-(const month& x, const months& y) NOEXCEPT;
+CONSTCD14 months operator-(const month& x, const month& y) NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const month& m);
+
+// year
+
+class year
+{
+ short y_;
+
+public:
+ explicit CONSTCD11 year(int y) NOEXCEPT;
+
+ CONSTCD14 year& operator++() NOEXCEPT;
+ CONSTCD14 year operator++(int) NOEXCEPT;
+ CONSTCD14 year& operator--() NOEXCEPT;
+ CONSTCD14 year operator--(int) NOEXCEPT;
+
+ CONSTCD14 year& operator+=(const years& y) NOEXCEPT;
+ CONSTCD14 year& operator-=(const years& y) NOEXCEPT;
+
+ CONSTCD11 bool is_leap() const NOEXCEPT;
+
+ CONSTCD11 explicit operator int() const NOEXCEPT;
+ CONSTCD11 bool ok() const NOEXCEPT;
+
+ static CONSTCD11 year min() NOEXCEPT;
+ static CONSTCD11 year max() NOEXCEPT;
+};
+
+CONSTCD11 bool operator==(const year& x, const year& y) NOEXCEPT;
+CONSTCD11 bool operator!=(const year& x, const year& y) NOEXCEPT;
+CONSTCD11 bool operator< (const year& x, const year& y) NOEXCEPT;
+CONSTCD11 bool operator> (const year& x, const year& y) NOEXCEPT;
+CONSTCD11 bool operator<=(const year& x, const year& y) NOEXCEPT;
+CONSTCD11 bool operator>=(const year& x, const year& y) NOEXCEPT;
+
+CONSTCD11 year operator+(const year& x, const years& y) NOEXCEPT;
+CONSTCD11 year operator+(const years& x, const year& y) NOEXCEPT;
+CONSTCD11 year operator-(const year& x, const years& y) NOEXCEPT;
+CONSTCD11 years operator-(const year& x, const year& y) NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const year& y);
+
+// weekday
+
+class weekday
+{
+ unsigned char wd_;
+public:
+ explicit CONSTCD11 weekday(unsigned wd) NOEXCEPT;
+ explicit weekday(int) = delete;
+ CONSTCD11 weekday(const sys_days& dp) NOEXCEPT;
+ CONSTCD11 explicit weekday(const local_days& dp) NOEXCEPT;
+
+ CONSTCD14 weekday& operator++() NOEXCEPT;
+ CONSTCD14 weekday operator++(int) NOEXCEPT;
+ CONSTCD14 weekday& operator--() NOEXCEPT;
+ CONSTCD14 weekday operator--(int) NOEXCEPT;
+
+ CONSTCD14 weekday& operator+=(const days& d) NOEXCEPT;
+ CONSTCD14 weekday& operator-=(const days& d) NOEXCEPT;
+
+ CONSTCD11 explicit operator unsigned() const NOEXCEPT;
+ CONSTCD11 bool ok() const NOEXCEPT;
+
+ CONSTCD11 weekday_indexed operator[](unsigned index) const NOEXCEPT;
+ CONSTCD11 weekday_last operator[](last_spec) const NOEXCEPT;
+
+private:
+ static CONSTCD11 unsigned char weekday_from_days(int z) NOEXCEPT;
+};
+
+CONSTCD11 bool operator==(const weekday& x, const weekday& y) NOEXCEPT;
+CONSTCD11 bool operator!=(const weekday& x, const weekday& y) NOEXCEPT;
+
+CONSTCD14 weekday operator+(const weekday& x, const days& y) NOEXCEPT;
+CONSTCD14 weekday operator+(const days& x, const weekday& y) NOEXCEPT;
+CONSTCD14 weekday operator-(const weekday& x, const days& y) NOEXCEPT;
+CONSTCD14 days operator-(const weekday& x, const weekday& y) NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const weekday& wd);
+
+// weekday_indexed
+
+class weekday_indexed
+{
+ unsigned char wd_ : 4;
+ unsigned char index_ : 4;
+
+public:
+ CONSTCD11 weekday_indexed(const julian::weekday& wd, unsigned index)
NOEXCEPT;
+
+ CONSTCD11 julian::weekday weekday() const NOEXCEPT;
+ CONSTCD11 unsigned index() const NOEXCEPT;
+ CONSTCD11 bool ok() const NOEXCEPT;
+};
+
+CONSTCD11 bool operator==(const weekday_indexed& x, const weekday_indexed& y)
NOEXCEPT;
+CONSTCD11 bool operator!=(const weekday_indexed& x, const weekday_indexed& y)
NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_indexed& wdi);
+
+// weekday_last
+
+class weekday_last
+{
+ julian::weekday wd_;
+
+public:
+ explicit CONSTCD11 weekday_last(const julian::weekday& wd) NOEXCEPT;
+
+ CONSTCD11 julian::weekday weekday() const NOEXCEPT;
+ CONSTCD11 bool ok() const NOEXCEPT;
+};
+
+CONSTCD11 bool operator==(const weekday_last& x, const weekday_last& y)
NOEXCEPT;
+CONSTCD11 bool operator!=(const weekday_last& x, const weekday_last& y)
NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_last& wdl);
+
+// year_month
+
+class year_month
+{
+ julian::year y_;
+ julian::month m_;
+
+public:
+ CONSTCD11 year_month(const julian::year& y, const julian::month& m)
NOEXCEPT;
+
+ CONSTCD11 julian::year year() const NOEXCEPT;
+ CONSTCD11 julian::month month() const NOEXCEPT;
+
+ CONSTCD14 year_month& operator+=(const months& dm) NOEXCEPT;
+ CONSTCD14 year_month& operator-=(const months& dm) NOEXCEPT;
+ CONSTCD14 year_month& operator+=(const years& dy) NOEXCEPT;
+ CONSTCD14 year_month& operator-=(const years& dy) NOEXCEPT;
+
+ CONSTCD11 bool ok() const NOEXCEPT;
+};
+
+CONSTCD11 bool operator==(const year_month& x, const year_month& y) NOEXCEPT;
+CONSTCD11 bool operator!=(const year_month& x, const year_month& y) NOEXCEPT;
+CONSTCD11 bool operator< (const year_month& x, const year_month& y) NOEXCEPT;
+CONSTCD11 bool operator> (const year_month& x, const year_month& y) NOEXCEPT;
+CONSTCD11 bool operator<=(const year_month& x, const year_month& y) NOEXCEPT;
+CONSTCD11 bool operator>=(const year_month& x, const year_month& y) NOEXCEPT;
+
+CONSTCD14 year_month operator+(const year_month& ym, const months& dm)
NOEXCEPT;
+CONSTCD14 year_month operator+(const months& dm, const year_month& ym)
NOEXCEPT;
+CONSTCD14 year_month operator-(const year_month& ym, const months& dm)
NOEXCEPT;
+
+CONSTCD11 months operator-(const year_month& x, const year_month& y) NOEXCEPT;
+CONSTCD11 year_month operator+(const year_month& ym, const years& dy) NOEXCEPT;
+CONSTCD11 year_month operator+(const years& dy, const year_month& ym) NOEXCEPT;
+CONSTCD11 year_month operator-(const year_month& ym, const years& dy) NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const year_month& ym);
+
+// month_day
+
+class month_day
+{
+ julian::month m_;
+ julian::day d_;
+
+public:
+ CONSTCD11 month_day(const julian::month& m, const julian::day& d) NOEXCEPT;
+
+ CONSTCD11 julian::month month() const NOEXCEPT;
+ CONSTCD11 julian::day day() const NOEXCEPT;
+
+ CONSTCD14 bool ok() const NOEXCEPT;
+};
+
+CONSTCD11 bool operator==(const month_day& x, const month_day& y) NOEXCEPT;
+CONSTCD11 bool operator!=(const month_day& x, const month_day& y) NOEXCEPT;
+CONSTCD11 bool operator< (const month_day& x, const month_day& y) NOEXCEPT;
+CONSTCD11 bool operator> (const month_day& x, const month_day& y) NOEXCEPT;
+CONSTCD11 bool operator<=(const month_day& x, const month_day& y) NOEXCEPT;
+CONSTCD11 bool operator>=(const month_day& x, const month_day& y) NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const month_day& md);
+
+// month_day_last
+
+class month_day_last
+{
+ julian::month m_;
+
+public:
+ CONSTCD11 explicit month_day_last(const julian::month& m) NOEXCEPT;
+
+ CONSTCD11 julian::month month() const NOEXCEPT;
+ CONSTCD11 bool ok() const NOEXCEPT;
+};
+
+CONSTCD11 bool operator==(const month_day_last& x, const month_day_last& y)
NOEXCEPT;
+CONSTCD11 bool operator!=(const month_day_last& x, const month_day_last& y)
NOEXCEPT;
+CONSTCD11 bool operator< (const month_day_last& x, const month_day_last& y)
NOEXCEPT;
+CONSTCD11 bool operator> (const month_day_last& x, const month_day_last& y)
NOEXCEPT;
+CONSTCD11 bool operator<=(const month_day_last& x, const month_day_last& y)
NOEXCEPT;
+CONSTCD11 bool operator>=(const month_day_last& x, const month_day_last& y)
NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const month_day_last& mdl);
+
+// month_weekday
+
+class month_weekday
+{
+ julian::month m_;
+ julian::weekday_indexed wdi_;
+public:
+ CONSTCD11 month_weekday(const julian::month& m,
+ const julian::weekday_indexed& wdi) NOEXCEPT;
+
+ CONSTCD11 julian::month month() const NOEXCEPT;
+ CONSTCD11 julian::weekday_indexed weekday_indexed() const NOEXCEPT;
+
+ CONSTCD11 bool ok() const NOEXCEPT;
+};
+
+CONSTCD11 bool operator==(const month_weekday& x, const month_weekday& y)
NOEXCEPT;
+CONSTCD11 bool operator!=(const month_weekday& x, const month_weekday& y)
NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday& mwd);
+
+// month_weekday_last
+
+class month_weekday_last
+{
+ julian::month m_;
+ julian::weekday_last wdl_;
+
+public:
+ CONSTCD11 month_weekday_last(const julian::month& m,
+ const julian::weekday_last& wd) NOEXCEPT;
+
+ CONSTCD11 julian::month month() const NOEXCEPT;
+ CONSTCD11 julian::weekday_last weekday_last() const NOEXCEPT;
+
+ CONSTCD11 bool ok() const NOEXCEPT;
+};
+
+CONSTCD11
+ bool operator==(const month_weekday_last& x, const month_weekday_last& y)
NOEXCEPT;
+CONSTCD11
+ bool operator!=(const month_weekday_last& x, const month_weekday_last& y)
NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday_last&
mwdl);
+
+// class year_month_day
+
+class year_month_day
+{
+ julian::year y_;
+ julian::month m_;
+ julian::day d_;
+
+public:
+ CONSTCD11 year_month_day(const julian::year& y, const julian::month& m,
+ const julian::day& d) NOEXCEPT;
+ CONSTCD14 year_month_day(const year_month_day_last& ymdl) NOEXCEPT;
+
+ CONSTCD14 year_month_day(sys_days dp) NOEXCEPT;
+ CONSTCD14 explicit year_month_day(local_days dp) NOEXCEPT;
+
+ CONSTCD14 year_month_day& operator+=(const months& m) NOEXCEPT;
+ CONSTCD14 year_month_day& operator-=(const months& m) NOEXCEPT;
+ CONSTCD14 year_month_day& operator+=(const years& y) NOEXCEPT;
+ CONSTCD14 year_month_day& operator-=(const years& y) NOEXCEPT;
+
+ CONSTCD11 julian::year year() const NOEXCEPT;
+ CONSTCD11 julian::month month() const NOEXCEPT;
+ CONSTCD11 julian::day day() const NOEXCEPT;
+
+ CONSTCD14 operator sys_days() const NOEXCEPT;
+ CONSTCD14 explicit operator local_days() const NOEXCEPT;
+ CONSTCD14 bool ok() const NOEXCEPT;
+
+private:
+ static CONSTCD14 year_month_day from_days(days dp) NOEXCEPT;
+ CONSTCD14 days to_days() const NOEXCEPT;
+};
+
+CONSTCD11 bool operator==(const year_month_day& x, const year_month_day& y)
NOEXCEPT;
+CONSTCD11 bool operator!=(const year_month_day& x, const year_month_day& y)
NOEXCEPT;
+CONSTCD11 bool operator< (const year_month_day& x, const year_month_day& y)
NOEXCEPT;
+CONSTCD11 bool operator> (const year_month_day& x, const year_month_day& y)
NOEXCEPT;
+CONSTCD11 bool operator<=(const year_month_day& x, const year_month_day& y)
NOEXCEPT;
+CONSTCD11 bool operator>=(const year_month_day& x, const year_month_day& y)
NOEXCEPT;
+
+CONSTCD14 year_month_day operator+(const year_month_day& ymd, const months&
dm) NOEXCEPT;
+CONSTCD14 year_month_day operator+(const months& dm, const year_month_day&
ymd) NOEXCEPT;
+CONSTCD14 year_month_day operator-(const year_month_day& ymd, const months&
dm) NOEXCEPT;
+CONSTCD11 year_month_day operator+(const year_month_day& ymd, const years& dy)
NOEXCEPT;
+CONSTCD11 year_month_day operator+(const years& dy, const year_month_day& ymd)
NOEXCEPT;
+CONSTCD11 year_month_day operator-(const year_month_day& ymd, const years& dy)
NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day& ymd);
+
+// year_month_day_last
+
+class year_month_day_last
+{
+ julian::year y_;
+ julian::month_day_last mdl_;
+
+public:
+ CONSTCD11 year_month_day_last(const julian::year& y,
+ const julian::month_day_last& mdl) NOEXCEPT;
+
+ CONSTCD14 year_month_day_last& operator+=(const months& m) NOEXCEPT;
+ CONSTCD14 year_month_day_last& operator-=(const months& m) NOEXCEPT;
+ CONSTCD14 year_month_day_last& operator+=(const years& y) NOEXCEPT;
+ CONSTCD14 year_month_day_last& operator-=(const years& y) NOEXCEPT;
+
+ CONSTCD11 julian::year year() const NOEXCEPT;
+ CONSTCD11 julian::month month() const NOEXCEPT;
+ CONSTCD11 julian::month_day_last month_day_last() const NOEXCEPT;
+ CONSTCD14 julian::day day() const NOEXCEPT;
+
+ CONSTCD14 operator sys_days() const NOEXCEPT;
+ CONSTCD14 explicit operator local_days() const NOEXCEPT;
+ CONSTCD11 bool ok() const NOEXCEPT;
+};
+
+CONSTCD11
+ bool operator==(const year_month_day_last& x, const year_month_day_last&
y) NOEXCEPT;
+CONSTCD11
+ bool operator!=(const year_month_day_last& x, const year_month_day_last&
y) NOEXCEPT;
+CONSTCD11
+ bool operator< (const year_month_day_last& x, const year_month_day_last&
y) NOEXCEPT;
+CONSTCD11
+ bool operator> (const year_month_day_last& x, const year_month_day_last&
y) NOEXCEPT;
+CONSTCD11
+ bool operator<=(const year_month_day_last& x, const year_month_day_last&
y) NOEXCEPT;
+CONSTCD11
+ bool operator>=(const year_month_day_last& x, const year_month_day_last&
y) NOEXCEPT;
+
+CONSTCD14
+year_month_day_last
+operator+(const year_month_day_last& ymdl, const months& dm) NOEXCEPT;
+
+CONSTCD14
+year_month_day_last
+operator+(const months& dm, const year_month_day_last& ymdl) NOEXCEPT;
+
+CONSTCD11
+year_month_day_last
+operator+(const year_month_day_last& ymdl, const years& dy) NOEXCEPT;
+
+CONSTCD11
+year_month_day_last
+operator+(const years& dy, const year_month_day_last& ymdl) NOEXCEPT;
+
+CONSTCD14
+year_month_day_last
+operator-(const year_month_day_last& ymdl, const months& dm) NOEXCEPT;
+
+CONSTCD11
+year_month_day_last
+operator-(const year_month_day_last& ymdl, const years& dy) NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day_last&
ymdl);
+
+// year_month_weekday
+
+class year_month_weekday
+{
+ julian::year y_;
+ julian::month m_;
+ julian::weekday_indexed wdi_;
+
+public:
+ CONSTCD11 year_month_weekday(const julian::year& y, const julian::month& m,
+ const julian::weekday_indexed& wdi)
NOEXCEPT;
+ CONSTCD14 year_month_weekday(const sys_days& dp) NOEXCEPT;
+ CONSTCD14 explicit year_month_weekday(const local_days& dp) NOEXCEPT;
+
+ CONSTCD14 year_month_weekday& operator+=(const months& m) NOEXCEPT;
+ CONSTCD14 year_month_weekday& operator-=(const months& m) NOEXCEPT;
+ CONSTCD14 year_month_weekday& operator+=(const years& y) NOEXCEPT;
+ CONSTCD14 year_month_weekday& operator-=(const years& y) NOEXCEPT;
+
+ CONSTCD11 julian::year year() const NOEXCEPT;
+ CONSTCD11 julian::month month() const NOEXCEPT;
+ CONSTCD11 julian::weekday weekday() const NOEXCEPT;
+ CONSTCD11 unsigned index() const NOEXCEPT;
+ CONSTCD11 julian::weekday_indexed weekday_indexed() const NOEXCEPT;
+
+ CONSTCD14 operator sys_days() const NOEXCEPT;
+ CONSTCD14 explicit operator local_days() const NOEXCEPT;
+ CONSTCD14 bool ok() const NOEXCEPT;
+
+private:
+ static CONSTCD14 year_month_weekday from_days(days dp) NOEXCEPT;
+ CONSTCD14 days to_days() const NOEXCEPT;
+};
+
+CONSTCD11
+ bool operator==(const year_month_weekday& x, const year_month_weekday& y)
NOEXCEPT;
+CONSTCD11
+ bool operator!=(const year_month_weekday& x, const year_month_weekday& y)
NOEXCEPT;
+
+CONSTCD14
+year_month_weekday
+operator+(const year_month_weekday& ymwd, const months& dm) NOEXCEPT;
+
+CONSTCD14
+year_month_weekday
+operator+(const months& dm, const year_month_weekday& ymwd) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday
+operator+(const year_month_weekday& ymwd, const years& dy) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday
+operator+(const years& dy, const year_month_weekday& ymwd) NOEXCEPT;
+
+CONSTCD14
+year_month_weekday
+operator-(const year_month_weekday& ymwd, const months& dm) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday
+operator-(const year_month_weekday& ymwd, const years& dy) NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday&
ymwdi);
+
+// year_month_weekday_last
+
+class year_month_weekday_last
+{
+ julian::year y_;
+ julian::month m_;
+ julian::weekday_last wdl_;
+
+public:
+ CONSTCD11 year_month_weekday_last(const julian::year& y, const
julian::month& m,
+ const julian::weekday_last& wdl)
NOEXCEPT;
+
+ CONSTCD14 year_month_weekday_last& operator+=(const months& m) NOEXCEPT;
+ CONSTCD14 year_month_weekday_last& operator-=(const months& m) NOEXCEPT;
+ CONSTCD14 year_month_weekday_last& operator+=(const years& y) NOEXCEPT;
+ CONSTCD14 year_month_weekday_last& operator-=(const years& y) NOEXCEPT;
+
+ CONSTCD11 julian::year year() const NOEXCEPT;
+ CONSTCD11 julian::month month() const NOEXCEPT;
+ CONSTCD11 julian::weekday weekday() const NOEXCEPT;
+ CONSTCD11 julian::weekday_last weekday_last() const NOEXCEPT;
+
+ CONSTCD14 operator sys_days() const NOEXCEPT;
+ CONSTCD14 explicit operator local_days() const NOEXCEPT;
+ CONSTCD11 bool ok() const NOEXCEPT;
+
+private:
+ CONSTCD14 days to_days() const NOEXCEPT;
+};
+
+CONSTCD11
+bool
+operator==(const year_month_weekday_last& x, const year_month_weekday_last& y)
NOEXCEPT;
+
+CONSTCD11
+bool
+operator!=(const year_month_weekday_last& x, const year_month_weekday_last& y)
NOEXCEPT;
+
+CONSTCD14
+year_month_weekday_last
+operator+(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT;
+
+CONSTCD14
+year_month_weekday_last
+operator+(const months& dm, const year_month_weekday_last& ymwdl) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday_last
+operator+(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday_last
+operator+(const years& dy, const year_month_weekday_last& ymwdl) NOEXCEPT;
+
+CONSTCD14
+year_month_weekday_last
+operator-(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT;
+
+CONSTCD11
+year_month_weekday_last
+operator-(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT;
+
+template<class CharT, class Traits>
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const
year_month_weekday_last& ymwdl);
+
+#if !defined(_MSC_VER) || (_MSC_VER >= 1900)
+inline namespace literals
+{
+
+CONSTCD11 julian::day operator "" _d(unsigned long long d) NOEXCEPT;
+CONSTCD11 julian::year operator "" _y(unsigned long long y) NOEXCEPT;
+
+// CONSTDATA julian::month jan{1};
+// CONSTDATA julian::month feb{2};
+// CONSTDATA julian::month mar{3};
+// CONSTDATA julian::month apr{4};
+// CONSTDATA julian::month may{5};
+// CONSTDATA julian::month jun{6};
+// CONSTDATA julian::month jul{7};
+// CONSTDATA julian::month aug{8};
+// CONSTDATA julian::month sep{9};
+// CONSTDATA julian::month oct{10};
+// CONSTDATA julian::month nov{11};
+// CONSTDATA julian::month dec{12};
+
+} // inline namespace literals
+#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900)
+
+//----------------+
+// Implementation |
+//----------------+
+
+// day
+
+CONSTCD11 inline day::day(unsigned d) NOEXCEPT : d_(static_cast<unsigned
char>(d)) {}
+CONSTCD14 inline day& day::operator++() NOEXCEPT {++d_; return *this;}
+CONSTCD14 inline day day::operator++(int) NOEXCEPT {auto tmp(*this);
++(*this); return tmp;}
+CONSTCD14 inline day& day::operator--() NOEXCEPT {--d_; return *this;}
+CONSTCD14 inline day day::operator--(int) NOEXCEPT {auto tmp(*this);
--(*this); return tmp;}
+CONSTCD14 inline day& day::operator+=(const days& d) NOEXCEPT {*this = *this +
d; return *this;}
+CONSTCD14 inline day& day::operator-=(const days& d) NOEXCEPT {*this = *this -
d; return *this;}
+CONSTCD11 inline day::operator unsigned() const NOEXCEPT {return d_;}
+CONSTCD11 inline bool day::ok() const NOEXCEPT {return 1 <= d_ && d_ <= 31;}
+
+CONSTCD11
+inline
+bool
+operator==(const day& x, const day& y) NOEXCEPT
+{
+ return static_cast<unsigned>(x) == static_cast<unsigned>(y);
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const day& x, const day& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+CONSTCD11
+inline
+bool
+operator<(const day& x, const day& y) NOEXCEPT
+{
+ return static_cast<unsigned>(x) < static_cast<unsigned>(y);
+}
+
+CONSTCD11
+inline
+bool
+operator>(const day& x, const day& y) NOEXCEPT
+{
+ return y < x;
+}
+
+CONSTCD11
+inline
+bool
+operator<=(const day& x, const day& y) NOEXCEPT
+{
+ return !(y < x);
+}
+
+CONSTCD11
+inline
+bool
+operator>=(const day& x, const day& y) NOEXCEPT
+{
+ return !(x < y);
+}
+
+CONSTCD11
+inline
+days
+operator-(const day& x, const day& y) NOEXCEPT
+{
+ return days{static_cast<days::rep>(static_cast<unsigned>(x)
+ - static_cast<unsigned>(y))};
+}
+
+CONSTCD11
+inline
+day
+operator+(const day& x, const days& y) NOEXCEPT
+{
+ return day{static_cast<unsigned>(x) + static_cast<unsigned>(y.count())};
+}
+
+CONSTCD11
+inline
+day
+operator+(const days& x, const day& y) NOEXCEPT
+{
+ return y + x;
+}
+
+CONSTCD11
+inline
+day
+operator-(const day& x, const days& y) NOEXCEPT
+{
+ return x + -y;
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const day& d)
+{
+ date::detail::save_stream<CharT, Traits> _(os);
+ os.fill('0');
+ os.flags(std::ios::dec | std::ios::right);
+ os.width(2);
+ os << static_cast<unsigned>(d);
+ return os;
+}
+
+// month
+
+CONSTCD11 inline month::month(unsigned m) NOEXCEPT :
m_(static_cast<decltype(m_)>(m)) {}
+CONSTCD14 inline month& month::operator++() NOEXCEPT {if (++m_ == 13) m_ = 1;
return *this;}
+CONSTCD14 inline month month::operator++(int) NOEXCEPT {auto tmp(*this);
++(*this); return tmp;}
+CONSTCD14 inline month& month::operator--() NOEXCEPT {if (--m_ == 0) m_ = 12;
return *this;}
+CONSTCD14 inline month month::operator--(int) NOEXCEPT {auto tmp(*this);
--(*this); return tmp;}
+
+CONSTCD14
+inline
+month&
+month::operator+=(const months& m) NOEXCEPT
+{
+ *this = *this + m;
+ return *this;
+}
+
+CONSTCD14
+inline
+month&
+month::operator-=(const months& m) NOEXCEPT
+{
+ *this = *this - m;
+ return *this;
+}
+
+CONSTCD11 inline month::operator unsigned() const NOEXCEPT {return m_;}
+CONSTCD11 inline bool month::ok() const NOEXCEPT {return 1 <= m_ && m_ <= 12;}
+
+CONSTCD11
+inline
+bool
+operator==(const month& x, const month& y) NOEXCEPT
+{
+ return static_cast<unsigned>(x) == static_cast<unsigned>(y);
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const month& x, const month& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+CONSTCD11
+inline
+bool
+operator<(const month& x, const month& y) NOEXCEPT
+{
+ return static_cast<unsigned>(x) < static_cast<unsigned>(y);
+}
+
+CONSTCD11
+inline
+bool
+operator>(const month& x, const month& y) NOEXCEPT
+{
+ return y < x;
+}
+
+CONSTCD11
+inline
+bool
+operator<=(const month& x, const month& y) NOEXCEPT
+{
+ return !(y < x);
+}
+
+CONSTCD11
+inline
+bool
+operator>=(const month& x, const month& y) NOEXCEPT
+{
+ return !(x < y);
+}
+
+CONSTCD14
+inline
+months
+operator-(const month& x, const month& y) NOEXCEPT
+{
+ auto const d = static_cast<unsigned>(x) - static_cast<unsigned>(y);
+ return months(d <= 11 ? d : d + 12);
+}
+
+CONSTCD14
+inline
+month
+operator+(const month& x, const months& y) NOEXCEPT
+{
+ auto const mu = static_cast<long long>(static_cast<unsigned>(x)) - 1 +
y.count();
+ auto const yr = (mu >= 0 ? mu : mu-11) / 12;
+ return month{static_cast<unsigned>(mu - yr * 12 + 1)};
+}
+
+CONSTCD14
+inline
+month
+operator+(const months& x, const month& y) NOEXCEPT
+{
+ return y + x;
+}
+
+CONSTCD14
+inline
+month
+operator-(const month& x, const months& y) NOEXCEPT
+{
+ return x + -y;
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const month& m)
+{
+ switch (static_cast<unsigned>(m))
+ {
+ case 1:
+ os << "Jan";
+ break;
+ case 2:
+ os << "Feb";
+ break;
+ case 3:
+ os << "Mar";
+ break;
+ case 4:
+ os << "Apr";
+ break;
+ case 5:
+ os << "May";
+ break;
+ case 6:
+ os << "Jun";
+ break;
+ case 7:
+ os << "Jul";
+ break;
+ case 8:
+ os << "Aug";
+ break;
+ case 9:
+ os << "Sep";
+ break;
+ case 10:
+ os << "Oct";
+ break;
+ case 11:
+ os << "Nov";
+ break;
+ case 12:
+ os << "Dec";
+ break;
+ default:
+ os << static_cast<unsigned>(m) << " is not a valid month";
+ break;
+ }
+ return os;
+}
+
+// year
+
+CONSTCD11 inline year::year(int y) NOEXCEPT : y_(static_cast<decltype(y_)>(y))
{}
+CONSTCD14 inline year& year::operator++() NOEXCEPT {++y_; return *this;}
+CONSTCD14 inline year year::operator++(int) NOEXCEPT {auto tmp(*this);
++(*this); return tmp;}
+CONSTCD14 inline year& year::operator--() NOEXCEPT {--y_; return *this;}
+CONSTCD14 inline year year::operator--(int) NOEXCEPT {auto tmp(*this);
--(*this); return tmp;}
+CONSTCD14 inline year& year::operator+=(const years& y) NOEXCEPT {*this =
*this + y; return *this;}
+CONSTCD14 inline year& year::operator-=(const years& y) NOEXCEPT {*this =
*this - y; return *this;}
+
+CONSTCD11
+inline
+bool
+year::is_leap() const NOEXCEPT
+{
+ return y_ % 4 == 0;
+}
+
+CONSTCD11 inline year::operator int() const NOEXCEPT {return y_;}
+CONSTCD11 inline bool year::ok() const NOEXCEPT {return true;}
+
+CONSTCD11
+inline
+year
+year::min() NOEXCEPT
+{
+ return year{std::numeric_limits<short>::min()};
+}
+
+CONSTCD11
+inline
+year
+year::max() NOEXCEPT
+{
+ return year{std::numeric_limits<short>::max()};
+}
+
+CONSTCD11
+inline
+bool
+operator==(const year& x, const year& y) NOEXCEPT
+{
+ return static_cast<int>(x) == static_cast<int>(y);
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const year& x, const year& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+CONSTCD11
+inline
+bool
+operator<(const year& x, const year& y) NOEXCEPT
+{
+ return static_cast<int>(x) < static_cast<int>(y);
+}
+
+CONSTCD11
+inline
+bool
+operator>(const year& x, const year& y) NOEXCEPT
+{
+ return y < x;
+}
+
+CONSTCD11
+inline
+bool
+operator<=(const year& x, const year& y) NOEXCEPT
+{
+ return !(y < x);
+}
+
+CONSTCD11
+inline
+bool
+operator>=(const year& x, const year& y) NOEXCEPT
+{
+ return !(x < y);
+}
+
+CONSTCD11
+inline
+years
+operator-(const year& x, const year& y) NOEXCEPT
+{
+ return years{static_cast<int>(x) - static_cast<int>(y)};
+}
+
+CONSTCD11
+inline
+year
+operator+(const year& x, const years& y) NOEXCEPT
+{
+ return year{static_cast<int>(x) + y.count()};
+}
+
+CONSTCD11
+inline
+year
+operator+(const years& x, const year& y) NOEXCEPT
+{
+ return y + x;
+}
+
+CONSTCD11
+inline
+year
+operator-(const year& x, const years& y) NOEXCEPT
+{
+ return year{static_cast<int>(x) - y.count()};
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const year& y)
+{
+ date::detail::save_stream<CharT, Traits> _(os);
+ os.fill('0');
+ os.flags(std::ios::dec | std::ios::internal);
+ os.width(4 + (y < year{0}));
+ os << static_cast<int>(y);
+ return os;
+}
+
+// weekday
+
+CONSTCD11
+inline
+unsigned char
+weekday::weekday_from_days(int z) NOEXCEPT
+{
+ return static_cast<unsigned char>(static_cast<unsigned>(
+ z >= -4 ? (z+4) % 7 : (z+5) % 7 + 6));
+}
+
+CONSTCD11
+inline
+weekday::weekday(unsigned wd) NOEXCEPT
+ : wd_(static_cast<decltype(wd_)>(wd))
+ {}
+
+CONSTCD11
+inline
+weekday::weekday(const sys_days& dp) NOEXCEPT
+ : wd_(weekday_from_days(dp.time_since_epoch().count()))
+ {}
+
+CONSTCD11
+inline
+weekday::weekday(const local_days& dp) NOEXCEPT
+ : wd_(weekday_from_days(dp.time_since_epoch().count()))
+ {}
+
+CONSTCD14 inline weekday& weekday::operator++() NOEXCEPT {if (++wd_ == 7) wd_
= 0; return *this;}
+CONSTCD14 inline weekday weekday::operator++(int) NOEXCEPT {auto tmp(*this);
++(*this); return tmp;}
+CONSTCD14 inline weekday& weekday::operator--() NOEXCEPT {if (wd_-- == 0) wd_
= 6; return *this;}
+CONSTCD14 inline weekday weekday::operator--(int) NOEXCEPT {auto tmp(*this);
--(*this); return tmp;}
+
+CONSTCD14
+inline
+weekday&
+weekday::operator+=(const days& d) NOEXCEPT
+{
+ *this = *this + d;
+ return *this;
+}
+
+CONSTCD14
+inline
+weekday&
+weekday::operator-=(const days& d) NOEXCEPT
+{
+ *this = *this - d;
+ return *this;
+}
+
+CONSTCD11
+inline
+weekday::operator unsigned() const NOEXCEPT
+{
+ return static_cast<unsigned>(wd_);
+}
+
+CONSTCD11 inline bool weekday::ok() const NOEXCEPT {return wd_ <= 6;}
+
+CONSTCD11
+inline
+bool
+operator==(const weekday& x, const weekday& y) NOEXCEPT
+{
+ return static_cast<unsigned>(x) == static_cast<unsigned>(y);
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const weekday& x, const weekday& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+CONSTCD14
+inline
+days
+operator-(const weekday& x, const weekday& y) NOEXCEPT
+{
+ auto const diff = static_cast<unsigned>(x) - static_cast<unsigned>(y);
+ return days{diff <= 6 ? diff : diff + 7};
+}
+
+CONSTCD14
+inline
+weekday
+operator+(const weekday& x, const days& y) NOEXCEPT
+{
+ auto const wdu = static_cast<long long>(static_cast<unsigned>(x)) +
y.count();
+ auto const wk = (wdu >= 0 ? wdu : wdu-6) / 7;
+ return weekday{static_cast<unsigned>(wdu - wk * 7)};
+}
+
+CONSTCD14
+inline
+weekday
+operator+(const days& x, const weekday& y) NOEXCEPT
+{
+ return y + x;
+}
+
+CONSTCD14
+inline
+weekday
+operator-(const weekday& x, const days& y) NOEXCEPT
+{
+ return x + -y;
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const weekday& wd)
+{
+ switch (static_cast<unsigned>(wd))
+ {
+ case 0:
+ os << "Sun";
+ break;
+ case 1:
+ os << "Mon";
+ break;
+ case 2:
+ os << "Tue";
+ break;
+ case 3:
+ os << "Wed";
+ break;
+ case 4:
+ os << "Thu";
+ break;
+ case 5:
+ os << "Fri";
+ break;
+ case 6:
+ os << "Sat";
+ break;
+ default:
+ os << static_cast<unsigned>(wd) << " is not a valid weekday";
+ break;
+ }
+ return os;
+}
+
+#if !defined(_MSC_VER) || (_MSC_VER >= 1900)
+inline namespace literals
+{
+
+CONSTCD11
+inline
+julian::day
+operator "" _d(unsigned long long d) NOEXCEPT
+{
+ return julian::day{static_cast<unsigned>(d)};
+}
+
+CONSTCD11
+inline
+julian::year
+operator "" _y(unsigned long long y) NOEXCEPT
+{
+ return julian::year(static_cast<int>(y));
+}
+#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900)
+
+CONSTDATA julian::last_spec last{};
+
+CONSTDATA julian::month jan{1};
+CONSTDATA julian::month feb{2};
+CONSTDATA julian::month mar{3};
+CONSTDATA julian::month apr{4};
+CONSTDATA julian::month may{5};
+CONSTDATA julian::month jun{6};
+CONSTDATA julian::month jul{7};
+CONSTDATA julian::month aug{8};
+CONSTDATA julian::month sep{9};
+CONSTDATA julian::month oct{10};
+CONSTDATA julian::month nov{11};
+CONSTDATA julian::month dec{12};
+
+CONSTDATA julian::weekday sun{0u};
+CONSTDATA julian::weekday mon{1u};
+CONSTDATA julian::weekday tue{2u};
+CONSTDATA julian::weekday wed{3u};
+CONSTDATA julian::weekday thu{4u};
+CONSTDATA julian::weekday fri{5u};
+CONSTDATA julian::weekday sat{6u};
+
+#if !defined(_MSC_VER) || (_MSC_VER >= 1900)
+} // inline namespace literals
+#endif
+
+// weekday_indexed
+
+CONSTCD11
+inline
+weekday
+weekday_indexed::weekday() const NOEXCEPT
+{
+ return julian::weekday{static_cast<unsigned>(wd_)};
+}
+
+CONSTCD11 inline unsigned weekday_indexed::index() const NOEXCEPT {return
index_;}
+
+CONSTCD11
+inline
+bool
+weekday_indexed::ok() const NOEXCEPT
+{
+ return weekday().ok() && 1 <= index_ && index_ <= 5;
+}
+
+CONSTCD11
+inline
+weekday_indexed::weekday_indexed(const julian::weekday& wd, unsigned index)
NOEXCEPT
+ : wd_(static_cast<decltype(wd_)>(static_cast<unsigned>(wd)))
+ , index_(static_cast<decltype(index_)>(index))
+ {}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_indexed& wdi)
+{
+ return os << wdi.weekday() << '[' << wdi.index() << ']';
+}
+
+CONSTCD11
+inline
+weekday_indexed
+weekday::operator[](unsigned index) const NOEXCEPT
+{
+ return {*this, index};
+}
+
+CONSTCD11
+inline
+bool
+operator==(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT
+{
+ return x.weekday() == y.weekday() && x.index() == y.index();
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+// weekday_last
+
+CONSTCD11 inline julian::weekday weekday_last::weekday() const NOEXCEPT
{return wd_;}
+CONSTCD11 inline bool weekday_last::ok() const NOEXCEPT {return wd_.ok();}
+CONSTCD11 inline weekday_last::weekday_last(const julian::weekday& wd)
NOEXCEPT : wd_(wd) {}
+
+CONSTCD11
+inline
+bool
+operator==(const weekday_last& x, const weekday_last& y) NOEXCEPT
+{
+ return x.weekday() == y.weekday();
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const weekday_last& x, const weekday_last& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_last& wdl)
+{
+ return os << wdl.weekday() << "[last]";
+}
+
+CONSTCD11
+inline
+weekday_last
+weekday::operator[](last_spec) const NOEXCEPT
+{
+ return weekday_last{*this};
+}
+
+// year_month
+
+CONSTCD11
+inline
+year_month::year_month(const julian::year& y, const julian::month& m) NOEXCEPT
+ : y_(y)
+ , m_(m)
+ {}
+
+CONSTCD11 inline year year_month::year() const NOEXCEPT {return y_;}
+CONSTCD11 inline month year_month::month() const NOEXCEPT {return m_;}
+CONSTCD11 inline bool year_month::ok() const NOEXCEPT {return y_.ok() &&
m_.ok();}
+
+CONSTCD14
+inline
+year_month&
+year_month::operator+=(const months& dm) NOEXCEPT
+{
+ *this = *this + dm;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month&
+year_month::operator-=(const months& dm) NOEXCEPT
+{
+ *this = *this - dm;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month&
+year_month::operator+=(const years& dy) NOEXCEPT
+{
+ *this = *this + dy;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month&
+year_month::operator-=(const years& dy) NOEXCEPT
+{
+ *this = *this - dy;
+ return *this;
+}
+
+CONSTCD11
+inline
+bool
+operator==(const year_month& x, const year_month& y) NOEXCEPT
+{
+ return x.year() == y.year() && x.month() == y.month();
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const year_month& x, const year_month& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+CONSTCD11
+inline
+bool
+operator<(const year_month& x, const year_month& y) NOEXCEPT
+{
+ return x.year() < y.year() ? true
+ : (x.year() > y.year() ? false
+ : (x.month() < y.month()));
+}
+
+CONSTCD11
+inline
+bool
+operator>(const year_month& x, const year_month& y) NOEXCEPT
+{
+ return y < x;
+}
+
+CONSTCD11
+inline
+bool
+operator<=(const year_month& x, const year_month& y) NOEXCEPT
+{
+ return !(y < x);
+}
+
+CONSTCD11
+inline
+bool
+operator>=(const year_month& x, const year_month& y) NOEXCEPT
+{
+ return !(x < y);
+}
+
+CONSTCD14
+inline
+year_month
+operator+(const year_month& ym, const months& dm) NOEXCEPT
+{
+ auto dmi = static_cast<int>(static_cast<unsigned>(ym.month())) - 1 +
dm.count();
+ auto dy = (dmi >= 0 ? dmi : dmi-11) / 12;
+ dmi = dmi - dy * 12 + 1;
+ return (ym.year() + years(dy)) / month(static_cast<unsigned>(dmi));
+}
+
+CONSTCD14
+inline
+year_month
+operator+(const months& dm, const year_month& ym) NOEXCEPT
+{
+ return ym + dm;
+}
+
+CONSTCD14
+inline
+year_month
+operator-(const year_month& ym, const months& dm) NOEXCEPT
+{
+ return ym + -dm;
+}
+
+CONSTCD11
+inline
+months
+operator-(const year_month& x, const year_month& y) NOEXCEPT
+{
+ return (x.year() - y.year()) +
+ months(static_cast<unsigned>(x.month()) -
static_cast<unsigned>(y.month()));
+}
+
+CONSTCD11
+inline
+year_month
+operator+(const year_month& ym, const years& dy) NOEXCEPT
+{
+ return (ym.year() + dy) / ym.month();
+}
+
+CONSTCD11
+inline
+year_month
+operator+(const years& dy, const year_month& ym) NOEXCEPT
+{
+ return ym + dy;
+}
+
+CONSTCD11
+inline
+year_month
+operator-(const year_month& ym, const years& dy) NOEXCEPT
+{
+ return ym + -dy;
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const year_month& ym)
+{
+ return os << ym.year() << '/' << ym.month();
+}
+
+// month_day
+
+CONSTCD11
+inline
+month_day::month_day(const julian::month& m, const julian::day& d) NOEXCEPT
+ : m_(m)
+ , d_(d)
+ {}
+
+CONSTCD11 inline julian::month month_day::month() const NOEXCEPT {return m_;}
+CONSTCD11 inline julian::day month_day::day() const NOEXCEPT {return d_;}
+
+CONSTCD14
+inline
+bool
+month_day::ok() const NOEXCEPT
+{
+ CONSTDATA julian::day d[] =
+ {31_d, 29_d, 31_d, 30_d, 31_d, 30_d, 31_d, 31_d, 30_d, 31_d, 30_d,
31_d};
+ return m_.ok() && 1_d <= d_ && d_ <= d[static_cast<unsigned>(m_)-1];
+}
+
+CONSTCD11
+inline
+bool
+operator==(const month_day& x, const month_day& y) NOEXCEPT
+{
+ return x.month() == y.month() && x.day() == y.day();
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const month_day& x, const month_day& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+CONSTCD11
+inline
+bool
+operator<(const month_day& x, const month_day& y) NOEXCEPT
+{
+ return x.month() < y.month() ? true
+ : (x.month() > y.month() ? false
+ : (x.day() < y.day()));
+}
+
+CONSTCD11
+inline
+bool
+operator>(const month_day& x, const month_day& y) NOEXCEPT
+{
+ return y < x;
+}
+
+CONSTCD11
+inline
+bool
+operator<=(const month_day& x, const month_day& y) NOEXCEPT
+{
+ return !(y < x);
+}
+
+CONSTCD11
+inline
+bool
+operator>=(const month_day& x, const month_day& y) NOEXCEPT
+{
+ return !(x < y);
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const month_day& md)
+{
+ return os << md.month() << '/' << md.day();
+}
+
+// month_day_last
+
+CONSTCD11 inline month month_day_last::month() const NOEXCEPT {return m_;}
+CONSTCD11 inline bool month_day_last::ok() const NOEXCEPT {return m_.ok();}
+CONSTCD11 inline month_day_last::month_day_last(const julian::month& m)
NOEXCEPT : m_(m) {}
+
+CONSTCD11
+inline
+bool
+operator==(const month_day_last& x, const month_day_last& y) NOEXCEPT
+{
+ return x.month() == y.month();
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const month_day_last& x, const month_day_last& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+CONSTCD11
+inline
+bool
+operator<(const month_day_last& x, const month_day_last& y) NOEXCEPT
+{
+ return x.month() < y.month();
+}
+
+CONSTCD11
+inline
+bool
+operator>(const month_day_last& x, const month_day_last& y) NOEXCEPT
+{
+ return y < x;
+}
+
+CONSTCD11
+inline
+bool
+operator<=(const month_day_last& x, const month_day_last& y) NOEXCEPT
+{
+ return !(y < x);
+}
+
+CONSTCD11
+inline
+bool
+operator>=(const month_day_last& x, const month_day_last& y) NOEXCEPT
+{
+ return !(x < y);
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const month_day_last& mdl)
+{
+ return os << mdl.month() << "/last";
+}
+
+// month_weekday
+
+CONSTCD11
+inline
+month_weekday::month_weekday(const julian::month& m,
+ const julian::weekday_indexed& wdi) NOEXCEPT
+ : m_(m)
+ , wdi_(wdi)
+ {}
+
+CONSTCD11 inline month month_weekday::month() const NOEXCEPT {return m_;}
+
+CONSTCD11
+inline
+weekday_indexed
+month_weekday::weekday_indexed() const NOEXCEPT
+{
+ return wdi_;
+}
+
+CONSTCD11
+inline
+bool
+month_weekday::ok() const NOEXCEPT
+{
+ return m_.ok() && wdi_.ok();
+}
+
+CONSTCD11
+inline
+bool
+operator==(const month_weekday& x, const month_weekday& y) NOEXCEPT
+{
+ return x.month() == y.month() && x.weekday_indexed() ==
y.weekday_indexed();
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const month_weekday& x, const month_weekday& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday& mwd)
+{
+ return os << mwd.month() << '/' << mwd.weekday_indexed();
+}
+
+// month_weekday_last
+
+CONSTCD11
+inline
+month_weekday_last::month_weekday_last(const julian::month& m,
+ const julian::weekday_last& wdl)
NOEXCEPT
+ : m_(m)
+ , wdl_(wdl)
+ {}
+
+CONSTCD11 inline month month_weekday_last::month() const NOEXCEPT {return m_;}
+
+CONSTCD11
+inline
+weekday_last
+month_weekday_last::weekday_last() const NOEXCEPT
+{
+ return wdl_;
+}
+
+CONSTCD11
+inline
+bool
+month_weekday_last::ok() const NOEXCEPT
+{
+ return m_.ok() && wdl_.ok();
+}
+
+CONSTCD11
+inline
+bool
+operator==(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT
+{
+ return x.month() == y.month() && x.weekday_last() == y.weekday_last();
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday_last&
mwdl)
+{
+ return os << mwdl.month() << '/' << mwdl.weekday_last();
+}
+
+// year_month_day_last
+
+CONSTCD11
+inline
+year_month_day_last::year_month_day_last(const julian::year& y,
+ const julian::month_day_last& mdl)
NOEXCEPT
+ : y_(y)
+ , mdl_(mdl)
+ {}
+
+CONSTCD14
+inline
+year_month_day_last&
+year_month_day_last::operator+=(const months& m) NOEXCEPT
+{
+ *this = *this + m;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month_day_last&
+year_month_day_last::operator-=(const months& m) NOEXCEPT
+{
+ *this = *this - m;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month_day_last&
+year_month_day_last::operator+=(const years& y) NOEXCEPT
+{
+ *this = *this + y;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month_day_last&
+year_month_day_last::operator-=(const years& y) NOEXCEPT
+{
+ *this = *this - y;
+ return *this;
+}
+
+CONSTCD11 inline year year_month_day_last::year() const NOEXCEPT {return y_;}
+CONSTCD11 inline month year_month_day_last::month() const NOEXCEPT {return
mdl_.month();}
+
+CONSTCD11
+inline
+month_day_last
+year_month_day_last::month_day_last() const NOEXCEPT
+{
+ return mdl_;
+}
+
+CONSTCD14
+inline
+day
+year_month_day_last::day() const NOEXCEPT
+{
+ CONSTDATA julian::day d[] =
+ {31_d, 28_d, 31_d, 30_d, 31_d, 30_d, 31_d, 31_d, 30_d, 31_d, 30_d,
31_d};
+ return month() != feb || !y_.is_leap() ?
d[static_cast<unsigned>(month())-1] : 29_d;
+}
+
+CONSTCD14
+inline
+year_month_day_last::operator sys_days() const NOEXCEPT
+{
+ return sys_days(year()/month()/day());
+}
+
+CONSTCD14
+inline
+year_month_day_last::operator local_days() const NOEXCEPT
+{
+ return local_days(year()/month()/day());
+}
+
+CONSTCD11
+inline
+bool
+year_month_day_last::ok() const NOEXCEPT
+{
+ return y_.ok() && mdl_.ok();
+}
+
+CONSTCD11
+inline
+bool
+operator==(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT
+{
+ return x.year() == y.year() && x.month_day_last() == y.month_day_last();
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+CONSTCD11
+inline
+bool
+operator<(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT
+{
+ return x.year() < y.year() ? true
+ : (x.year() > y.year() ? false
+ : (x.month_day_last() < y.month_day_last()));
+}
+
+CONSTCD11
+inline
+bool
+operator>(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT
+{
+ return y < x;
+}
+
+CONSTCD11
+inline
+bool
+operator<=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT
+{
+ return !(y < x);
+}
+
+CONSTCD11
+inline
+bool
+operator>=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT
+{
+ return !(x < y);
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day_last&
ymdl)
+{
+ return os << ymdl.year() << '/' << ymdl.month_day_last();
+}
+
+CONSTCD14
+inline
+year_month_day_last
+operator+(const year_month_day_last& ymdl, const months& dm) NOEXCEPT
+{
+ return (ymdl.year() / ymdl.month() + dm) / last;
+}
+
+CONSTCD14
+inline
+year_month_day_last
+operator+(const months& dm, const year_month_day_last& ymdl) NOEXCEPT
+{
+ return ymdl + dm;
+}
+
+CONSTCD14
+inline
+year_month_day_last
+operator-(const year_month_day_last& ymdl, const months& dm) NOEXCEPT
+{
+ return ymdl + (-dm);
+}
+
+CONSTCD11
+inline
+year_month_day_last
+operator+(const year_month_day_last& ymdl, const years& dy) NOEXCEPT
+{
+ return {ymdl.year()+dy, ymdl.month_day_last()};
+}
+
+CONSTCD11
+inline
+year_month_day_last
+operator+(const years& dy, const year_month_day_last& ymdl) NOEXCEPT
+{
+ return ymdl + dy;
+}
+
+CONSTCD11
+inline
+year_month_day_last
+operator-(const year_month_day_last& ymdl, const years& dy) NOEXCEPT
+{
+ return ymdl + (-dy);
+}
+
+// year_month_day
+
+CONSTCD11
+inline
+year_month_day::year_month_day(const julian::year& y, const julian::month& m,
+ const julian::day& d) NOEXCEPT
+ : y_(y)
+ , m_(m)
+ , d_(d)
+ {}
+
+CONSTCD14
+inline
+year_month_day::year_month_day(const year_month_day_last& ymdl) NOEXCEPT
+ : y_(ymdl.year())
+ , m_(ymdl.month())
+ , d_(ymdl.day())
+ {}
+
+CONSTCD14
+inline
+year_month_day::year_month_day(sys_days dp) NOEXCEPT
+ : year_month_day(from_days(dp.time_since_epoch()))
+ {}
+
+CONSTCD14
+inline
+year_month_day::year_month_day(local_days dp) NOEXCEPT
+ : year_month_day(from_days(dp.time_since_epoch()))
+ {}
+
+CONSTCD11 inline year year_month_day::year() const NOEXCEPT {return y_;}
+CONSTCD11 inline month year_month_day::month() const NOEXCEPT {return m_;}
+CONSTCD11 inline day year_month_day::day() const NOEXCEPT {return d_;}
+
+CONSTCD14
+inline
+year_month_day&
+year_month_day::operator+=(const months& m) NOEXCEPT
+{
+ *this = *this + m;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month_day&
+year_month_day::operator-=(const months& m) NOEXCEPT
+{
+ *this = *this - m;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month_day&
+year_month_day::operator+=(const years& y) NOEXCEPT
+{
+ *this = *this + y;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month_day&
+year_month_day::operator-=(const years& y) NOEXCEPT
+{
+ *this = *this - y;
+ return *this;
+}
+
+CONSTCD14
+inline
+days
+year_month_day::to_days() const NOEXCEPT
+{
+ static_assert(std::numeric_limits<unsigned>::digits >= 18,
+ "This algorithm has not been ported to a 16 bit unsigned
integer");
+ static_assert(std::numeric_limits<int>::digits >= 20,
+ "This algorithm has not been ported to a 16 bit signed integer");
+ auto const y = static_cast<int>(y_) - (m_ <= feb);
+ auto const m = static_cast<unsigned>(m_);
+ auto const d = static_cast<unsigned>(d_);
+ auto const era = (y >= 0 ? y : y-3) / 4;
+ auto const yoe = static_cast<unsigned>(y - era * 4); // [0, 3]
+ auto const doy = (153*(m > 2 ? m-3 : m+9) + 2)/5 + d-1; // [0, 365]
+ auto const doe = yoe * 365 + doy; // [0, 1460]
+ return days{era * 1461 + static_cast<int>(doe) - 719470};
+}
+
+CONSTCD14
+inline
+year_month_day::operator sys_days() const NOEXCEPT
+{
+ return sys_days{to_days()};
+}
+
+CONSTCD14
+inline
+year_month_day::operator local_days() const NOEXCEPT
+{
+ return local_days{to_days()};
+}
+
+CONSTCD14
+inline
+bool
+year_month_day::ok() const NOEXCEPT
+{
+ if (!(y_.ok() && m_.ok()))
+ return false;
+ return 1_d <= d_ && d_ <= (y_/m_/last).day();
+}
+
+CONSTCD11
+inline
+bool
+operator==(const year_month_day& x, const year_month_day& y) NOEXCEPT
+{
+ return x.year() == y.year() && x.month() == y.month() && x.day() ==
y.day();
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const year_month_day& x, const year_month_day& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+CONSTCD11
+inline
+bool
+operator<(const year_month_day& x, const year_month_day& y) NOEXCEPT
+{
+ return x.year() < y.year() ? true
+ : (x.year() > y.year() ? false
+ : (x.month() < y.month() ? true
+ : (x.month() > y.month() ? false
+ : (x.day() < y.day()))));
+}
+
+CONSTCD11
+inline
+bool
+operator>(const year_month_day& x, const year_month_day& y) NOEXCEPT
+{
+ return y < x;
+}
+
+CONSTCD11
+inline
+bool
+operator<=(const year_month_day& x, const year_month_day& y) NOEXCEPT
+{
+ return !(y < x);
+}
+
+CONSTCD11
+inline
+bool
+operator>=(const year_month_day& x, const year_month_day& y) NOEXCEPT
+{
+ return !(x < y);
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day& ymd)
+{
+ date::detail::save_stream<CharT, Traits> _(os);
+ os.fill('0');
+ os.flags(std::ios::dec | std::ios::right);
+ os << ymd.year() << '-';
+ os.width(2);
+ os << static_cast<unsigned>(ymd.month()) << '-';
+ os << ymd.day();
+ return os;
+}
+
+CONSTCD14
+inline
+year_month_day
+year_month_day::from_days(days dp) NOEXCEPT
+{
+ static_assert(std::numeric_limits<unsigned>::digits >= 18,
+ "This algorithm has not been ported to a 16 bit unsigned
integer");
+ static_assert(std::numeric_limits<int>::digits >= 20,
+ "This algorithm has not been ported to a 16 bit signed integer");
+ auto const z = dp.count() + 719470;
+ auto const era = (z >= 0 ? z : z - 1460) / 1461;
+ auto const doe = static_cast<unsigned>(z - era * 1461); // [0,
1460]
+ auto const yoe = (doe - doe/1460) / 365; // [0, 3]
+ auto const y = static_cast<sys_days::rep>(yoe) + era * 4;
+ auto const doy = doe - 365*yoe; // [0,
365]
+ auto const mp = (5*doy + 2)/153; // [0, 11]
+ auto const d = doy - (153*mp+2)/5 + 1; // [1, 31]
+ auto const m = mp < 10 ? mp+3 : mp-9; // [1, 12]
+ return year_month_day{julian::year{y + (m <= 2)}, julian::month(m),
julian::day(d)};
+}
+
+CONSTCD14
+inline
+year_month_day
+operator+(const year_month_day& ymd, const months& dm) NOEXCEPT
+{
+ return (ymd.year() / ymd.month() + dm) / ymd.day();
+}
+
+CONSTCD14
+inline
+year_month_day
+operator+(const months& dm, const year_month_day& ymd) NOEXCEPT
+{
+ return ymd + dm;
+}
+
+CONSTCD14
+inline
+year_month_day
+operator-(const year_month_day& ymd, const months& dm) NOEXCEPT
+{
+ return ymd + (-dm);
+}
+
+CONSTCD11
+inline
+year_month_day
+operator+(const year_month_day& ymd, const years& dy) NOEXCEPT
+{
+ return (ymd.year() + dy) / ymd.month() / ymd.day();
+}
+
+CONSTCD11
+inline
+year_month_day
+operator+(const years& dy, const year_month_day& ymd) NOEXCEPT
+{
+ return ymd + dy;
+}
+
+CONSTCD11
+inline
+year_month_day
+operator-(const year_month_day& ymd, const years& dy) NOEXCEPT
+{
+ return ymd + (-dy);
+}
+
+// year_month_weekday
+
+CONSTCD11
+inline
+year_month_weekday::year_month_weekday(const julian::year& y, const
julian::month& m,
+ const julian::weekday_indexed& wdi)
+ NOEXCEPT
+ : y_(y)
+ , m_(m)
+ , wdi_(wdi)
+ {}
+
+CONSTCD14
+inline
+year_month_weekday::year_month_weekday(const sys_days& dp) NOEXCEPT
+ : year_month_weekday(from_days(dp.time_since_epoch()))
+ {}
+
+CONSTCD14
+inline
+year_month_weekday::year_month_weekday(const local_days& dp) NOEXCEPT
+ : year_month_weekday(from_days(dp.time_since_epoch()))
+ {}
+
+CONSTCD14
+inline
+year_month_weekday&
+year_month_weekday::operator+=(const months& m) NOEXCEPT
+{
+ *this = *this + m;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month_weekday&
+year_month_weekday::operator-=(const months& m) NOEXCEPT
+{
+ *this = *this - m;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month_weekday&
+year_month_weekday::operator+=(const years& y) NOEXCEPT
+{
+ *this = *this + y;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month_weekday&
+year_month_weekday::operator-=(const years& y) NOEXCEPT
+{
+ *this = *this - y;
+ return *this;
+}
+
+CONSTCD11 inline year year_month_weekday::year() const NOEXCEPT {return y_;}
+CONSTCD11 inline month year_month_weekday::month() const NOEXCEPT {return m_;}
+
+CONSTCD11
+inline
+weekday
+year_month_weekday::weekday() const NOEXCEPT
+{
+ return wdi_.weekday();
+}
+
+CONSTCD11
+inline
+unsigned
+year_month_weekday::index() const NOEXCEPT
+{
+ return wdi_.index();
+}
+
+CONSTCD11
+inline
+weekday_indexed
+year_month_weekday::weekday_indexed() const NOEXCEPT
+{
+ return wdi_;
+}
+
+CONSTCD14
+inline
+year_month_weekday::operator sys_days() const NOEXCEPT
+{
+ return sys_days{to_days()};
+}
+
+CONSTCD14
+inline
+year_month_weekday::operator local_days() const NOEXCEPT
+{
+ return local_days{to_days()};
+}
+
+CONSTCD14
+inline
+bool
+year_month_weekday::ok() const NOEXCEPT
+{
+ if (!y_.ok() || !m_.ok() || !wdi_.weekday().ok() || wdi_.index() < 1)
+ return false;
+ if (wdi_.index() <= 4)
+ return true;
+ auto d2 = wdi_.weekday() - julian::weekday(y_/m_/1) +
days((wdi_.index()-1)*7 + 1);
+ return static_cast<unsigned>(d2.count()) <=
static_cast<unsigned>((y_/m_/last).day());
+}
+
+CONSTCD14
+inline
+year_month_weekday
+year_month_weekday::from_days(days d) NOEXCEPT
+{
+ sys_days dp{d};
+ auto const wd = julian::weekday(dp);
+ auto const ymd = year_month_day(dp);
+ return {ymd.year(), ymd.month(),
wd[(static_cast<unsigned>(ymd.day())-1)/7+1]};
+}
+
+CONSTCD14
+inline
+days
+year_month_weekday::to_days() const NOEXCEPT
+{
+ auto d = sys_days(y_/m_/1);
+ return (d + (wdi_.weekday() - julian::weekday(d) +
days{(wdi_.index()-1)*7})
+ ).time_since_epoch();
+}
+
+CONSTCD11
+inline
+bool
+operator==(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT
+{
+ return x.year() == y.year() && x.month() == y.month() &&
+ x.weekday_indexed() == y.weekday_indexed();
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT
+{
+ return !(x == y);
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday&
ymwdi)
+{
+ return os << ymwdi.year() << '/' << ymwdi.month()
+ << '/' << ymwdi.weekday_indexed();
+}
+
+CONSTCD14
+inline
+year_month_weekday
+operator+(const year_month_weekday& ymwd, const months& dm) NOEXCEPT
+{
+ return (ymwd.year() / ymwd.month() + dm) / ymwd.weekday_indexed();
+}
+
+CONSTCD14
+inline
+year_month_weekday
+operator+(const months& dm, const year_month_weekday& ymwd) NOEXCEPT
+{
+ return ymwd + dm;
+}
+
+CONSTCD14
+inline
+year_month_weekday
+operator-(const year_month_weekday& ymwd, const months& dm) NOEXCEPT
+{
+ return ymwd + (-dm);
+}
+
+CONSTCD11
+inline
+year_month_weekday
+operator+(const year_month_weekday& ymwd, const years& dy) NOEXCEPT
+{
+ return {ymwd.year()+dy, ymwd.month(), ymwd.weekday_indexed()};
+}
+
+CONSTCD11
+inline
+year_month_weekday
+operator+(const years& dy, const year_month_weekday& ymwd) NOEXCEPT
+{
+ return ymwd + dy;
+}
+
+CONSTCD11
+inline
+year_month_weekday
+operator-(const year_month_weekday& ymwd, const years& dy) NOEXCEPT
+{
+ return ymwd + (-dy);
+}
+
+// year_month_weekday_last
+
+CONSTCD11
+inline
+year_month_weekday_last::year_month_weekday_last(const julian::year& y,
+ const julian::month& m,
+ const julian::weekday_last&
wdl) NOEXCEPT
+ : y_(y)
+ , m_(m)
+ , wdl_(wdl)
+ {}
+
+CONSTCD14
+inline
+year_month_weekday_last&
+year_month_weekday_last::operator+=(const months& m) NOEXCEPT
+{
+ *this = *this + m;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month_weekday_last&
+year_month_weekday_last::operator-=(const months& m) NOEXCEPT
+{
+ *this = *this - m;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month_weekday_last&
+year_month_weekday_last::operator+=(const years& y) NOEXCEPT
+{
+ *this = *this + y;
+ return *this;
+}
+
+CONSTCD14
+inline
+year_month_weekday_last&
+year_month_weekday_last::operator-=(const years& y) NOEXCEPT
+{
+ *this = *this - y;
+ return *this;
+}
+
+CONSTCD11 inline year year_month_weekday_last::year() const NOEXCEPT {return
y_;}
+CONSTCD11 inline month year_month_weekday_last::month() const NOEXCEPT {return
m_;}
+
+CONSTCD11
+inline
+weekday
+year_month_weekday_last::weekday() const NOEXCEPT
+{
+ return wdl_.weekday();
+}
+
+CONSTCD11
+inline
+weekday_last
+year_month_weekday_last::weekday_last() const NOEXCEPT
+{
+ return wdl_;
+}
+
+CONSTCD14
+inline
+year_month_weekday_last::operator sys_days() const NOEXCEPT
+{
+ return sys_days{to_days()};
+}
+
+CONSTCD14
+inline
+year_month_weekday_last::operator local_days() const NOEXCEPT
+{
+ return local_days{to_days()};
+}
+
+CONSTCD11
+inline
+bool
+year_month_weekday_last::ok() const NOEXCEPT
+{
+ return y_.ok() && m_.ok() && wdl_.ok();
+}
+
+CONSTCD14
+inline
+days
+year_month_weekday_last::to_days() const NOEXCEPT
+{
+ auto const d = sys_days(y_/m_/last);
+ return (d - (julian::weekday{d} - wdl_.weekday())).time_since_epoch();
+}
+
+CONSTCD11
+inline
+bool
+operator==(const year_month_weekday_last& x, const year_month_weekday_last& y)
NOEXCEPT
+{
+ return x.year() == y.year() && x.month() == y.month() &&
+ x.weekday_last() == y.weekday_last();
+}
+
+CONSTCD11
+inline
+bool
+operator!=(const year_month_weekday_last& x, const year_month_weekday_last& y)
NOEXCEPT
+{
+ return !(x == y);
+}
+
+template<class CharT, class Traits>
+inline
+std::basic_ostream<CharT, Traits>&
+operator<<(std::basic_ostream<CharT, Traits>& os, const
year_month_weekday_last& ymwdl)
+{
+ return os << ymwdl.year() << '/' << ymwdl.month() << '/' <<
ymwdl.weekday_last();
+}
+
+CONSTCD14
+inline
+year_month_weekday_last
+operator+(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT
+{
+ return (ymwdl.year() / ymwdl.month() + dm) / ymwdl.weekday_last();
+}
+
+CONSTCD14
+inline
+year_month_weekday_last
+operator+(const months& dm, const year_month_weekday_last& ymwdl) NOEXCEPT
+{
+ return ymwdl + dm;
+}
+
+CONSTCD14
+inline
+year_month_weekday_last
+operator-(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT
+{
+ return ymwdl + (-dm);
+}
+
+CONSTCD11
+inline
+year_month_weekday_last
+operator+(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT
+{
+ return {ymwdl.year()+dy, ymwdl.month(), ymwdl.weekday_last()};
+}
+
+CONSTCD11
+inline
+year_month_weekday_last
+operator+(const years& dy, const year_month_weekday_last& ymwdl) NOEXCEPT
+{
+ return ymwdl + dy;
+}
+
+CONSTCD11
+inline
+year_month_weekday_last
+operator-(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT
+{
+ return ymwdl + (-dy);
+}
+
+// year_month from operator/()
+
+CONSTCD11
+inline
+year_month
+operator/(const year& y, const month& m) NOEXCEPT
+{
+ return {y, m};
+}
+
+CONSTCD11
+inline
+year_month
+operator/(const year& y, int m) NOEXCEPT
+{
+ return y / month(static_cast<unsigned>(m));
+}
+
+// month_day from operator/()
+
+CONSTCD11
+inline
+month_day
+operator/(const month& m, const day& d) NOEXCEPT
+{
+ return {m, d};
+}
+
+CONSTCD11
+inline
+month_day
+operator/(const day& d, const month& m) NOEXCEPT
+{
+ return m / d;
+}
+
+CONSTCD11
+inline
+month_day
+operator/(const month& m, int d) NOEXCEPT
+{
+ return m / day(static_cast<unsigned>(d));
+}
+
+CONSTCD11
+inline
+month_day
+operator/(int m, const day& d) NOEXCEPT
+{
+ return month(static_cast<unsigned>(m)) / d;
+}
+
+CONSTCD11 inline month_day operator/(const day& d, int m) NOEXCEPT {return m /
d;}
+
+// month_day_last from operator/()
+
+CONSTCD11
+inline
+month_day_last
+operator/(const month& m, last_spec) NOEXCEPT
+{
+ return month_day_last{m};
+}
+
+CONSTCD11
+inline
+month_day_last
+operator/(last_spec, const month& m) NOEXCEPT
+{
+ return m/last;
+}
+
+CONSTCD11
+inline
+month_day_last
+operator/(int m, last_spec) NOEXCEPT
+{
+ return month(static_cast<unsigned>(m))/last;
+}
+
+CONSTCD11
+inline
+month_day_last
+operator/(last_spec, int m) NOEXCEPT
+{
+ return m/last;
+}
+
+// month_weekday from operator/()
+
+CONSTCD11
+inline
+month_weekday
+operator/(const month& m, const weekday_indexed& wdi) NOEXCEPT
+{
+ return {m, wdi};
+}
+
+CONSTCD11
+inline
+month_weekday
+operator/(const weekday_indexed& wdi, const month& m) NOEXCEPT
+{
+ return m / wdi;
+}
+
+CONSTCD11
+inline
+month_weekday
+operator/(int m, const weekday_indexed& wdi) NOEXCEPT
+{
+ return month(static_cast<unsigned>(m)) / wdi;
+}
+
+CONSTCD11
+inline
+month_weekday
+operator/(const weekday_indexed& wdi, int m) NOEXCEPT
+{
+ return m / wdi;
+}
+
+// month_weekday_last from operator/()
+
+CONSTCD11
+inline
+month_weekday_last
+operator/(const month& m, const weekday_last& wdl) NOEXCEPT
+{
+ return {m, wdl};
+}
+
+CONSTCD11
+inline
+month_weekday_last
+operator/(const weekday_last& wdl, const month& m) NOEXCEPT
+{
+ return m / wdl;
+}
+
+CONSTCD11
+inline
+month_weekday_last
+operator/(int m, const weekday_last& wdl) NOEXCEPT
+{
+ return month(static_cast<unsigned>(m)) / wdl;
+}
+
+CONSTCD11
+inline
+month_weekday_last
+operator/(const weekday_last& wdl, int m) NOEXCEPT
+{
+ return m / wdl;
+}
+
+// year_month_day from operator/()
+
+CONSTCD11
+inline
+year_month_day
+operator/(const year_month& ym, const day& d) NOEXCEPT
+{
+ return {ym.year(), ym.month(), d};
+}
+
+CONSTCD11
+inline
+year_month_day
+operator/(const year_month& ym, int d) NOEXCEPT
+{
+ return ym / day(static_cast<unsigned>(d));
+}
+
+CONSTCD11
+inline
+year_month_day
+operator/(const year& y, const month_day& md) NOEXCEPT
+{
+ return y / md.month() / md.day();
+}
+
+CONSTCD11
+inline
+year_month_day
+operator/(int y, const month_day& md) NOEXCEPT
+{
+ return year(y) / md;
+}
+
+CONSTCD11
+inline
+year_month_day
+operator/(const month_day& md, const year& y) NOEXCEPT
+{
+ return y / md;
+}
+
+CONSTCD11
+inline
+year_month_day
+operator/(const month_day& md, int y) NOEXCEPT
+{
+ return year(y) / md;
+}
+
+// year_month_day_last from operator/()
+
+CONSTCD11
+inline
+year_month_day_last
+operator/(const year_month& ym, last_spec) NOEXCEPT
+{
+ return {ym.year(), month_day_last{ym.month()}};
+}
+
+CONSTCD11
+inline
+year_month_day_last
+operator/(const year& y, const month_day_last& mdl) NOEXCEPT
+{
+ return {y, mdl};
+}
+
+CONSTCD11
+inline
+year_month_day_last
+operator/(int y, const month_day_last& mdl) NOEXCEPT
+{
+ return year(y) / mdl;
+}
+
+CONSTCD11
+inline
+year_month_day_last
+operator/(const month_day_last& mdl, const year& y) NOEXCEPT
+{
+ return y / mdl;
+}
+
+CONSTCD11
+inline
+year_month_day_last
+operator/(const month_day_last& mdl, int y) NOEXCEPT
+{
+ return year(y) / mdl;
+}
+
+// year_month_weekday from operator/()
+
+CONSTCD11
+inline
+year_month_weekday
+operator/(const year_month& ym, const weekday_indexed& wdi) NOEXCEPT
+{
+ return {ym.year(), ym.month(), wdi};
+}
+
+CONSTCD11
+inline
+year_month_weekday
+operator/(const year& y, const month_weekday& mwd) NOEXCEPT
+{
+ return {y, mwd.month(), mwd.weekday_indexed()};
+}
+
+CONSTCD11
+inline
+year_month_weekday
+operator/(int y, const month_weekday& mwd) NOEXCEPT
+{
+ return year(y) / mwd;
+}
+
+CONSTCD11
+inline
+year_month_weekday
+operator/(const month_weekday& mwd, const year& y) NOEXCEPT
+{
+ return y / mwd;
+}
+
+CONSTCD11
+inline
+year_month_weekday
+operator/(const month_weekday& mwd, int y) NOEXCEPT
+{
+ return year(y) / mwd;
+}
+
+// year_month_weekday_last from operator/()
+
+CONSTCD11
+inline
+year_month_weekday_last
+operator/(const year_month& ym, const weekday_last& wdl) NOEXCEPT
+{
+ return {ym.year(), ym.month(), wdl};
+}
+
+CONSTCD11
+inline
+year_month_weekday_last
+operator/(const year& y, const month_weekday_last& mwdl) NOEXCEPT
+{
+ return {y, mwdl.month(), mwdl.weekday_last()};
+}
+
+CONSTCD11
+inline
+year_month_weekday_last
+operator/(int y, const month_weekday_last& mwdl) NOEXCEPT
+{
+ return year(y) / mwdl;
+}
+
+CONSTCD11
+inline
+year_month_weekday_last
+operator/(const month_weekday_last& mwdl, const year& y) NOEXCEPT
+{
+ return y / mwdl;
+}
+
+CONSTCD11
+inline
+year_month_weekday_last
+operator/(const month_weekday_last& mwdl, int y) NOEXCEPT
+{
+ return year(y) / mwdl;
+}
+
+} // namespace julian
+
+#endif // JULIAN_H
