public static bool datetimeisValidDate(datetimeDate date)
{
bool valid;
double [] daysInMonth;
double daysInThisMonth;
if (date.year >= 1752d)
{
if (date.month >= 1d && date.month <= 12d)
{
daysInMonth = datetimegetDaysInMonth(date.year);
daysInThisMonth = daysInMonth[(int)(date.month)];
if (date.day >= 1d && date.day <= daysInThisMonth)
{
valid = true;
}
else
{
valid = false;
}
}
else
{
valid = false;
}
}
else
{
valid = false;
}
return(valid);
}
public static double datetimegetSecondsFromDateTime(datetimeDateTime dateTime)
{
datetimeDate date;
double seconds;
double days;
double secondsInMinute;
double secondsInHour;
double secondsInDay;
seconds = 0d;
date = new datetimeDate();
date.year = dateTime.year;
date.month = dateTime.month;
date.day = dateTime.day;
days = datetimedateToDayNumber(date, new datetimeSuccess());
secondsInMinute = 60d;
secondsInHour = 60d * secondsInMinute;
secondsInDay = 24d * secondsInHour;
seconds = seconds + secondsInDay * days;
seconds = seconds + secondsInHour * dateTime.hours;
seconds = seconds + secondsInMinute * dateTime.minutes;
seconds = seconds + dateTime.seconds;
return(seconds);
}
public static datetimeDate getDateFromNorwegianPersonalIdentificationNumber(char [] fnummer, DoubleReference failures)
{
datetimeDate aDatetimeDate;
double individnummer;
double day, month, year;
double d1, d2, d3, d4, d5, d6, d7, d8, d9;
aDatetimeDate = new datetimeDate();
d1 = charToNumber(fnummer[0], failures);
d2 = charToNumber(fnummer[1], failures);
d3 = charToNumber(fnummer[2], failures);
d4 = charToNumber(fnummer[3], failures);
d5 = charToNumber(fnummer[4], failures);
d6 = charToNumber(fnummer[5], failures);
d7 = charToNumber(fnummer[6], failures);
d8 = charToNumber(fnummer[7], failures);
d9 = charToNumber(fnummer[8], failures);
if (failures.doubleValue == 0d)
{
individnummer = d7 * 100d + d8 * 10d + d9;
day = d1 * 10d + d2;
month = d3 * 10d + d4;
year = d5 * 10d + d6;
if (individnummer >= 0d && individnummer <= 499d)
{
year = year + 1900d;
}
else if (individnummer >= 500d && individnummer <= 749d && year >= 54d && year <= 99d)
{
year = year + 1800d;
}
else if (individnummer >= 900d && individnummer <= 999d && year >= 40d && year <= 99d)
{
year = year + 1900d;
}
else if (individnummer >= 500d && individnummer <= 999d && year >= 0d && year <= 39d)
{
year = year + 1900d;
}
else
{
failures.doubleValue = failures.doubleValue + 1d;
}
aDatetimeDate.year = year;
aDatetimeDate.month = month;
aDatetimeDate.day = day;
}
return(aDatetimeDate);
}
public static double datetimedateToDayNumber(datetimeDate date, datetimeSuccess success)
{
double days;
success.success = true;
days = -79623d;
/* Day 1752-01-01*/
days = days + datetimedaysInYears(date.year);
days = days + datetimedaysInMonths(date.month, date.year);
days = days + date.day - 1d;
return(days);
}
public static datetimeDate datetimedayToDate(double dayNr, datetimeSuccess success)
{
datetimeDate date;
DoubleReference remainder;
date = new datetimeDate();
success.success = true;
remainder = new DoubleReference();
remainder.doubleValue = dayNr + 79623d;
/* Days since 1752-01-01. Day 0: Thursday, 1970-01-01*/
/* Find year.*/
date.year = datetimegetYearFromDayNr(remainder.doubleValue, remainder);
/* Find month.*/
date.month = datetimegetMonthFromDayNr(remainder.doubleValue, date.year, remainder);
/* Find day.*/
date.day = 1d + remainder.doubleValue;
return(date);
}
