WORD MTime::AdjustYear(const int nDiffDays)
{
const int nDay = DayOfYear() + nDiffDays;
if (nDay > DaysInYear())
return _SysTime.wYear + 1;
else if (nDay < 0)
return _SysTime.wYear - 1;
return _SysTime.wYear;
}
//! Number of microseconds in year
//! \param[in] year Year of interest
//! \returns Number of microseconds in year
//! \note Currenly it does not take daylight saving into account,
//! all parameters are ignoreed, may be changed.
scxulong MicrosecondsInYear(scxyear year) {
return DaysInYear(year) * (static_cast<scxulong>(24) * 60 * 60 * 1000 * 1000);
}
//! Number of minutes in year
//! \param[in] year Year of interest
//! \returns Number of minutes in year
unsigned MinutesInYear(scxyear year) {
return DaysInYear(year) * 24 * 60;
}
//! Number of hours in year
//! \param[in] year Year of interest
//! \returns Number of hours in "year"
unsigned HoursInYear(scxyear year) {
return 24 * DaysInYear(year);
}
static inline bool IsLeapYear(int year)
{
return DaysInYear(year) == 366;
}
unsigned RedDate::DaysToEndOfYear(void) const
{
return (DaysInYear(year) - DaysFromStartOfYear());
}
