constants.hpp File Reference

Header file with time-related constants. More...

#include <cstdint>
#include <limits>

Go to the source code of this file.

Namespaces
namespace	time_shield
	Main namespace for the Time Shield library.

Macros
#define	_TIME_SHIELD_CONSTANTS_HPP_INCLUDED

Variables
constexpr int64_t	time_shield::NS_PER_US = 1000
	Nanoseconds per microsecond.
constexpr int64_t	time_shield::NS_PER_MS = 1000000
	Nanoseconds per millisecond.
constexpr int64_t	time_shield::NS_PER_SEC = 1000000000
	Nanoseconds per second.
constexpr int64_t	time_shield::US_PER_SEC = 1000000
	Microseconds per second.
constexpr int64_t	time_shield::MS_PER_SEC = 1000
	Milliseconds per second.
constexpr int64_t	time_shield::MS_PER_MIN = 60000
	Milliseconds per minute.
constexpr int64_t	time_shield::MS_PER_HALF_HOUR = 1800000
	Milliseconds per half hour.
constexpr int64_t	time_shield::MS_PER_HOUR = 3600000
	Milliseconds per hour.
constexpr int64_t	time_shield::MS_PER_DAY = 86400000
	Milliseconds per day.
constexpr int64_t	time_shield::SEC_PER_MIN = 60
	Seconds per minute.
constexpr int64_t	time_shield::SEC_PER_HALF_HOUR = 1800
	Seconds per half hour.
constexpr int64_t	time_shield::SEC_PER_HOUR = 3600
	Seconds per hour.
constexpr int64_t	time_shield::SEC_PER_DAY = 86400
	Seconds per day.
constexpr int64_t	time_shield::SEC_PER_YEAR = 31536000
	Seconds per year (365 days)
constexpr int64_t	time_shield::AVG_SEC_PER_YEAR = 31557600
	Average seconds per year (365.25 days)
constexpr int64_t	time_shield::SEC_PER_LEAP_YEAR = 31622400
	Seconds per leap year (366 days)
constexpr int64_t	time_shield::SEC_PER_4_YEARS = 126230400
	Seconds per 4 years.
constexpr int64_t	time_shield::SEC_PER_FIRST_100_YEARS = 3155760000
	Seconds per first 100 years.
constexpr int64_t	time_shield::SEC_PER_100_YEARS = 3155673600
	Seconds per 100 years.
constexpr int64_t	time_shield::SEC_PER_400_YEARS = 12622780800
	Seconds per 400 years.
constexpr int64_t	time_shield::MAX_SEC_PER_DAY = 86399
	Maximum seconds per day.
constexpr int64_t	time_shield::MIN_PER_HOUR = 60
	Minutes per hour.
constexpr int64_t	time_shield::MIN_PER_DAY = 1440
	Minutes per day.
constexpr int64_t	time_shield::MIN_PER_WEEK = 10080
	Minutes per week.
constexpr int64_t	time_shield::MIN_PER_MONTH = 40320
	Minutes per month (28 days)
constexpr int64_t	time_shield::MAX_MOON_MIN = 42523
	Maximum lunar minutes.
constexpr int64_t	time_shield::HOURS_PER_DAY = 24
	Hours per day.
constexpr int64_t	time_shield::DAYS_PER_WEEK = 7
	Days per week.
constexpr int64_t	time_shield::DAYS_PER_LEAP_YEAR = 366
	Days per leap year.
constexpr int64_t	time_shield::DAYS_PER_YEAR = 365
	Days per year.
constexpr int64_t	time_shield::DAYS_PER_4_YEARS = 1461
	Days per 4 years.
const int64_t	time_shield::MONTHS_PER_YEAR = 12
	Months per year.
const int64_t	time_shield::MAX_DAYS_PER_MONTH = 31
	Maximum days per month.
const int64_t	time_shield::LEAP_YEAR_PER_100_YEAR = 24
	Leap years per 100 years.
const int64_t	time_shield::LEAP_YEAR_PER_400_YEAR = 97
	Leap years per 400 years.
constexpr int64_t	time_shield::UNIX_EPOCH = 1970
	Start year of UNIX time.
constexpr int64_t	time_shield::OLE_EPOCH = 25569
	OLE automation date since UNIX epoch.
constexpr int64_t	time_shield::MAX_YEAR = 292277022000LL
	Maximum representable year.
constexpr int64_t	time_shield::MIN_YEAR = -2967369602200LL
	Minimum representable year.
constexpr int64_t	time_shield::ERROR_YEAR = 9223372036854770000LL
	Error year value.
constexpr int64_t	time_shield::MAX_TIMESTAMP = 9223371890843040000LL
	Maximum timestamp value.
constexpr int64_t	time_shield::ERROR_TIMESTAMP = 9223372036854770000LL
	Error timestamp value.
constexpr double	time_shield::MAX_OADATE = std::numeric_limits<double>::max()
	Maximum OLE automation date.
constexpr double	time_shield::AVG_DAYS_PER_YEAR = 365.25
	Average days per year.

Detailed Description

Header file with time-related constants.

This file contains various constants used for time calculations and conversions.

Definition in file constants.hpp.

Macro Definition Documentation

_TIME_SHIELD_CONSTANTS_HPP_INCLUDED

#define _TIME_SHIELD_CONSTANTS_HPP_INCLUDED

Definition at line 7 of file constants.hpp.