/// <summary>The <see cref="ITimeInterval"/> that <see cref="Contains(ITimeInterval,ITimePoint)"/> all the <see cref="ITimePoint"/>s that both <paramref name="other"/> and <paramref name="me"/> <see cref="Contains(ITimeInterval,ITimePoint)"/>.</summary>
public static ITimeInterval IntersectionWith(this ITimeInterval me, ITimeInterval other)
{
var start = TimePoint.Latest(me.FirstInstant(), other.FirstInstant());
var end = TimePoint.Earliest(me.LastInstant(), other.LastInstant());
if(start.IsAfterOrSameInstantAs(end)) //Detect non-intersecting case.
{
return NewTimeInterval(start, Duration.Zero);
}
return NewTimeInterval(start, Duration.Between(start, end));
}
/// <summary>The <see cref="ITimeInterval"/> that <see cref="Contains(ITimeInterval,ITimePoint)"/> all the <see cref="ITimePoint"/>s that both <paramref name="other"/> and <paramref name="me"/> <see cref="Contains(ITimeInterval,ITimePoint)"/>.</summary>
public static ITimeInterval IntersectionWith(this ITimeInterval me, ITimeInterval other)
{
var start = TimePoint.Latest(me.FirstInstant(), other.FirstInstant());
var end = TimePoint.Earliest(me.LastInstant(), other.LastInstant());
if (start.IsAfterOrSameInstantAs(end)) //Detect non-intersecting case.
{
return(NewTimeInterval(start, Duration.Zero));
}
return(NewTimeInterval(start, Duration.Between(start, end)));
}
/// <summary>True if <paramref name="me"/> contains every <see cref="ITimePoint"/> that <paramref name="other"/> contains</summary>
public static bool Contains(this ITimeInterval me, ITimeInterval other)
{
return me.Contains(other.FirstInstant()) && me.Contains(other.LastInstant());
}
/// <summary>True if <paramref name="me"/> contains every <see cref="ITimePoint"/> that <paramref name="other"/> contains</summary>
public static bool Contains(this ITimeInterval me, ITimeInterval other)
{
return(me.Contains(other.FirstInstant()) && me.Contains(other.LastInstant()));
}
/// <summary>The last <see cref="ITimePoint"/> before <paramref name="me"/> that is not part of the interval.<paramref name="me"/></summary>
public static ITimePoint LastInstantBefore(this ITimeInterval me)
{
return(me.FirstInstant().PreviousInstant());
}