| private static YearFromTime ( double t ) : int | ||
| t | double | |
| return | int | |
private static int YearFromTime(double t)
{
int lo = (int)Math.Floor((t / msPerDay) / 366) + 1970;
int hi = (int)Math.Floor((t / msPerDay) / 365) + 1970;
int mid;
if (hi < lo)
{
int temp = lo;
lo = hi;
hi = temp;
}
while (hi > lo)
{
mid = (hi + lo) / 2;
if (TimeFromYear(mid) > t)
{
hi = mid - 1;
}
else
{
lo = mid + 1;
if (TimeFromYear(lo) > t)
{
return mid;
}
}
}
return lo;
}