public static IInterval <TPoint, TPointComparer> Build <TPoint, TPointComparer>(
ILowerBoundary <TPoint, TPointComparer> lowerBoundary,
IUpperBoundary <TPoint, TPointComparer> upperBoundary,
TPointComparer pointComparer)
where TPoint : notnull
where TPointComparer : IComparer <TPoint>, new() =>
(lowerBoundary, upperBoundary) switch
{
(LowerClosedBoundary <TPoint, TPointComparer> lowerClosed, UpperClosedBoundary <TPoint, TPointComparer> upperClosed) => Build(lowerClosed, upperClosed, pointComparer),
(LowerClosedBoundary <TPoint, TPointComparer> lowerClosed, UpperOpenBoundary <TPoint, TPointComparer> upperOpen) => Build(lowerClosed, upperOpen, pointComparer),
(LowerClosedBoundary <TPoint, TPointComparer> lowerClosed, UpperInfinityBoundary <TPoint, TPointComparer> _) => new ClosedInfinityInterval <TPoint, TPointComparer>(lowerClosed),
(LowerOpenBoundary <TPoint, TPointComparer> lowerOpen, UpperClosedBoundary <TPoint, TPointComparer> upperClosed) => Build(lowerOpen, upperClosed, pointComparer),
(LowerOpenBoundary <TPoint, TPointComparer> lowerOpen, UpperOpenBoundary <TPoint, TPointComparer> upperOpen) => Build(lowerOpen, upperOpen, pointComparer),
(LowerOpenBoundary <TPoint, TPointComparer> lowerOpen, UpperInfinityBoundary <TPoint, TPointComparer> _) => new OpenInfinityInterval <TPoint, TPointComparer>(lowerOpen),
(LowerInfinityBoundary <TPoint, TPointComparer> lowerInfinity, UpperClosedBoundary <TPoint, TPointComparer> upperClosed) => new InfinityClosedInterval <TPoint, TPointComparer>(upperClosed),
(LowerInfinityBoundary <TPoint, TPointComparer> lowerInfinity, UpperOpenBoundary <TPoint, TPointComparer> upperOpen) => new InfinityOpenInterval <TPoint, TPointComparer>(upperOpen),
(LowerInfinityBoundary <TPoint, TPointComparer> _, UpperInfinityBoundary <TPoint, TPointComparer> _) => default(InfinityInterval <TPoint, TPointComparer>),
_ => throw new ArgumentException()
};
public static int Compare <TPoint, TPointComparer>(
this IUpperBoundary <TPoint, TPointComparer> lowerBoundary,
IUpperBoundary <TPoint, TPointComparer> otherUpperBoundary,
TPointComparer pointComparer)
where TPoint : notnull
where TPointComparer : IComparer <TPoint>, new() =>
(lowerBoundary, otherUpperBoundary) switch
{
(UpperClosedBoundary <TPoint, TPointComparer> leftClosed, UpperClosedBoundary <TPoint, TPointComparer> rightClosed) => leftClosed.Compare(rightClosed, pointComparer),
(UpperClosedBoundary <TPoint, TPointComparer> leftClosed, UpperOpenBoundary <TPoint, TPointComparer> rightOpen) => leftClosed.Compare(rightOpen, pointComparer),
(UpperClosedBoundary <TPoint, TPointComparer> leftClosed, UpperInfinityBoundary <TPoint, TPointComparer> rightInfinity) => leftClosed.Compare(rightInfinity, pointComparer),
(UpperOpenBoundary <TPoint, TPointComparer> leftOpen, UpperOpenBoundary <TPoint, TPointComparer> rightOpen) => leftOpen.Compare(rightOpen, pointComparer),
(UpperOpenBoundary <TPoint, TPointComparer> leftOpen, UpperClosedBoundary <TPoint, TPointComparer> rightClosed) => leftOpen.Compare(rightClosed, pointComparer),
(UpperOpenBoundary <TPoint, TPointComparer> leftOpen, UpperInfinityBoundary <TPoint, TPointComparer> rightInfinity) => leftOpen.Compare(rightInfinity, pointComparer),
(UpperInfinityBoundary <TPoint, TPointComparer> leftInfinity, UpperInfinityBoundary <TPoint, TPointComparer> rightInfinity) => leftInfinity.Compare(rightInfinity, pointComparer),
(UpperInfinityBoundary <TPoint, TPointComparer> leftInfinity, UpperClosedBoundary <TPoint, TPointComparer> rightClosed) => leftInfinity.Compare(rightClosed, pointComparer),
(UpperInfinityBoundary <TPoint, TPointComparer> leftInfinity, UpperOpenBoundary <TPoint, TPointComparer> rightOpen) => leftInfinity.Compare(rightOpen, pointComparer),
_ => throw new ArgumentException(),
};
public int Compare(
IUpperBoundary <TPoint, TPointComparer> x,
IUpperBoundary <TPoint, TPointComparer> y)
{
return(x.Compare(y, this.pointComparer));
}
