public static Tuple <double, double> GetOptimalRange([CanBeNull] Lut lut)
{
if (lut == null)
{
return(null);
}
lut.UpdateBoundingBox();
var threshold = Math.Min(lut.MaxY, 1d) * (1d - OptionRangeThreshold);
double?fromX = null, toX = null;
lut.ForEach((x, y) => {
if (y >= threshold)
{
if (!fromX.HasValue)
{
fromX = x;
}
toX = x;
}
});
return(fromX.HasValue && toX.HasValue ? new Tuple <double, double>(fromX ?? 0d, toX ?? 0d) : null);
}