/** Returns an intersection of this interval with \a ti
@param ti :: Time interval
@return A valid time interval if this interval intersects with \a ti or
an empty interval otherwise.
*/
TimeInterval TimeInterval::intersection(const TimeInterval& ti)const
{
if (!isValid() || !ti.isValid()) return TimeInterval();
DateAndTime t1 = begin();
if (ti.begin() > t1) t1 = ti.begin();
DateAndTime t2 = end();
if (ti.end() < t2) t2 = ti.end();
return t1 < t2? TimeInterval(t1,t2) : TimeInterval();
}
bool OrgMode::operator==(const TimeInterval &left, const OrgMode::TimeInterval &right)
{
return left.start() == right.start() && left.end() == right.end();
}
