/// <summary>
/// Returns union of the interval set and the specified interval.
/// </summary>
public IntervalSet <A> Union(IntervalSet <A> set, Interval <A> interval)
{
return(Union(set, IntervalSet(interval)));
}
/// <summary>
/// Returns union of the two interval sets.
/// </summary>
public IntervalSet <A> Union(IntervalSet <A> a, IntervalSet <A> b)
{
return(Union(new[] { a, b }));
}
/// <summary>
/// Returns intersection of the two interval sets.
/// </summary>
public IntervalSet <A> Intersect(IntervalSet <A> a, IntervalSet <A> b)
{
var intersection = a.Intervals.SelectMany(x => b.Intervals.Select(y => Intersect(x, y)));
return(new IntervalSet <A>(intersection.Where(i => i.NonEmpty).ToList()));
}
/// <summary>
/// Returns intersection of the interval set and the specified interval.
/// </summary>
public IntervalSet <A> Intersect(IntervalSet <A> set, Interval <A> interval)
{
return(Intersect(set, IntervalSet(interval)));
}
/// <summary>
/// Returns whether the first interval set contains the second interval set.
/// </summary>
public bool Contains(IntervalSet <A> a, IntervalSet <A> b)
{
return(Intersect(a, b).Equals(b));
}
/// <summary>
/// Returns whether the interval set contains the specified interval.
/// </summary>
public bool Contains(IntervalSet <A> set, Interval <A> interval)
{
return(Contains(set, IntervalSet(interval)));
}
/// <summary>
/// Returns whether the interval set contains the specified value.
/// </summary>
public bool Contains(IntervalSet <A> set, A value)
{
return(Contains(set, SingleValueInterval(value)));
}