Esempio n. 1
0
int datediff(Date d1, Date d2) {
	int diff = 0;
	if (d2.yyyy != d1.yyyy) {
		diff += (d2.yyyy - d1.yyyy) * DAYS_IN_YEAR;
		int ystart;
		int yend;
		if (d2.yyyy > d1.yyyy) {
			ystart = d1.yyyy;
			yend = d2.yyyy;
		} else {
			ystart = d2.yyyy;
			yend = d1.yyyy;
		}
		for (; ystart < yend; ystart++) {
			if (isleap(ystart)) {
				diff++;
			}
		}
	}

	int day2 = daysinyear(d2);
	int day1 = daysinyear(d1);

	return day2 - day1 + diff;
}
Esempio n. 2
0
/**
 * Convert the given time in seconds elapsed since the beginning of the given
 * year.  It is assumed that year <= t[0]
 */
long long int secondsfrom(int year, const int* val)
{
	long long int res = 0;
	if (val[5] != -1) res += val[5];
	if (val[4] != -1) res += val[4] * 60;
	if (val[3] != -1) res += val[3] * 3600;
	if (val[2] != -1) res += (val[2]-1) * 3600 * 24;
	if (val[1] != -1)
		for (int i = 1; i < val[1]; ++i)
			res += daysinmonth(val[0], i) * 3600 * 24;
	for (int i = year; i < val[0]; ++i)
		res += daysinyear(i) * 3600 * 24;
	return res;
}