/// <summary>
/// Return the set difference of "this" and rhOp
/// </summary>
/// <param name="rhOp"></param>
/// <returns></returns>
internal RangeList SUB(RangeList rhOp)
{
if (!this.isCanonical || !rhOp.isCanonical)
{
throw new GplexInternalException("RangeList not canonicalized");
}
if (this.ranges.Count == 0)
{
return(new RangeList(false));
}
else if (rhOp.ranges.Count == 0)
{
return(this);
}
return(this.AND(new RangeList(rhOp.InvertedList(), false)));
}
