internal static IEnumerable <SeriesTerm <T> > Evolve <T>(TimeSeries <T> series)
where T : struct
{
if (States.TryGetValue(series.Id, out IPolyrand random))
{
while (true)
{
var term = Term(series.Observed.Index + 1, random.Next <T>(series.Domain));
series.Witnessed(term);
yield return(term);
}
}
}
public static SeriesTerm <T> NextTerm <T>(TimeSeries <T> series)
where T : struct
{
if (States.TryGetValue(series.Id, out IPolyrand random))
{
var term = Term(series.Observed.Index + 1, random.Next <T>(series.Domain));
series.Witnessed(term);
return(term);
}
else
{
return(series.Observed);
}
}