private static void RecordSnapshot(
Dictionary <string, double> result,
ReservoirHistogramSnapshot snapshot)
{
result.Add("mean", snapshot.Mean);
result.Add("stddev", snapshot.StdDev);
foreach (var percentile in percentiles)
{
var value = snapshot.GetUpperQuantile(percentile);
result.Add($"upper{percentile*100:###}", value);
}
}
private static void AssertQuantile(
ReservoirHistogramSnapshot snapshot,
double quantile,
int range,
double maxError,
bool log)
{
var result = snapshot.GetUpperQuantile(quantile);
if (log)
{
Console.WriteLine($"{quantile:F3}: {result:F3}");
}
result.Should().BeApproximately(range * quantile, maxError);
}