public void TestPercentiles()
{
foreach (var v in LongHistogram.Percentiles(5 /* ticks per half */))
{
var message = "Value at Iterated-to Percentile is the same as the matching getValueAtPercentile():\n" +
"getPercentileLevelIteratedTo = " + v.PercentileLevelIteratedTo +
"\ngetValueIteratedTo = " + v.ValueIteratedTo +
"\ngetValueIteratedFrom = " + v.ValueIteratedFrom +
"\ngetValueAtPercentile(getPercentileLevelIteratedTo()) = " +
LongHistogram.GetValueAtPercentile(v.PercentileLevelIteratedTo) +
"\ngetPercentile = " + v.Percentile +
"\ngetValueAtPercentile(Percentile())" +
LongHistogram.GetValueAtPercentile(v.Percentile) +
"\nequivalent1 = " +
LongHistogram.HighestEquivalentValue(
LongHistogram.GetValueAtPercentile(v.PercentileLevelIteratedTo)) +
"\nequivalent2 = " +
LongHistogram.HighestEquivalentValue(LongHistogram.GetValueAtPercentile(v.Percentile)) +
"\n";
Assert.AreEqual(
v.ValueIteratedTo,
LongHistogram.HighestEquivalentValue(LongHistogram.GetValueAtPercentile(v.Percentile)),
message);
}
}
public void TestScaledHighestEquivalentValue()
{
var longHistogram = new LongHistogram(HighestTrackableValue, NumberOfSignificantValueDigits);
Assert.AreEqual(8183, longHistogram.HighestEquivalentValue(8180), "The highest equivalent value to 8180 is 8183");
Assert.AreEqual(8191, longHistogram.HighestEquivalentValue(8191), "The highest equivalent value to 8187 is 8191");
Assert.AreEqual(8199, longHistogram.HighestEquivalentValue(8193), "The highest equivalent value to 8193 is 8199");
Assert.AreEqual(9999, longHistogram.HighestEquivalentValue(9995), "The highest equivalent value to 9995 is 9999");
Assert.AreEqual(10007, longHistogram.HighestEquivalentValue(10007), "The highest equivalent value to 10007 is 10007");
Assert.AreEqual(10015, longHistogram.HighestEquivalentValue(10008), "The highest equivalent value to 10008 is 10015");
}
public void TestHighestEquivalentValue()
{
var longHistogram = new LongHistogram(1024, HighestTrackableValue, NumberOfSignificantValueDigits);
Assert.AreEqual(8183 * 1024 + 1023, longHistogram.HighestEquivalentValue(8180 * 1024), "The highest equivalent value to 8180 * 1024 is 8183 * 1024 + 1023");
Assert.AreEqual(8191 * 1024 + 1023, longHistogram.HighestEquivalentValue(8191 * 1024), "The highest equivalent value to 8187 * 1024 is 8191 * 1024 + 1023");
Assert.AreEqual(8199 * 1024 + 1023, longHistogram.HighestEquivalentValue(8193 * 1024), "The highest equivalent value to 8193 * 1024 is 8199 * 1024 + 1023");
Assert.AreEqual(9999 * 1024 + 1023, longHistogram.HighestEquivalentValue(9995 * 1024), "The highest equivalent value to 9995 * 1024 is 9999 * 1024 + 1023");
Assert.AreEqual(10007 * 1024 + 1023, longHistogram.HighestEquivalentValue(10007 * 1024), "The highest equivalent value to 10007 * 1024 is 10007 * 1024 + 1023");
Assert.AreEqual(10015 * 1024 + 1023, longHistogram.HighestEquivalentValue(10008 * 1024), "The highest equivalent value to 10008 * 1024 is 10015 * 1024 + 1023");
}
public void TestScalingEquivalence()
{
Assert.AreEqual(
LongHistogram.GetMean() * 512,
ScaledHistogram.GetMean(), ScaledHistogram.GetMean() * 0.000001,
"averages should be equivalent");
Assert.AreEqual(
LongHistogram.TotalCount,
ScaledHistogram.TotalCount,
"total count should be the same");
Assert.AreEqual(
LongHistogram.LowestEquivalentValue(LongHistogram.GetValueAtPercentile(99.0)) * 512,
ScaledHistogram.LowestEquivalentValue(ScaledHistogram.GetValueAtPercentile(99.0)),
"99%'iles should be equivalent");
Assert.AreEqual(
ScaledHistogram.HighestEquivalentValue(LongHistogram.GetMaxValue() * 512),
ScaledHistogram.GetMaxValue(),
"Max should be equivalent for scaled data");
// Same for post-corrected:
Assert.AreEqual(
LongHistogram.GetMean() * 512,
ScaledHistogram.GetMean(), ScaledHistogram.GetMean() * 0.000001,
"averages should be equivalent");
Assert.AreEqual(
PostCorrectedHistogram.TotalCount,
PostCorrectedScaledHistogram.TotalCount,
"total count should be the same");
Assert.AreEqual(
PostCorrectedHistogram.LowestEquivalentValue(PostCorrectedHistogram.GetValueAtPercentile(99.0)) * 512,
PostCorrectedScaledHistogram.LowestEquivalentValue(PostCorrectedScaledHistogram.GetValueAtPercentile(99.0)),
"99%'iles should be equivalent");
Assert.AreEqual(
PostCorrectedScaledHistogram.HighestEquivalentValue(PostCorrectedHistogram.GetMaxValue() * 512),
PostCorrectedScaledHistogram.GetMaxValue(),
"Max should be equivalent for post-corrected data");
}
public void TestScaledHighestEquivalentValue()
{
var longHistogram = new LongHistogram(HighestTrackableValue, NumberOfSignificantValueDigits);
Assert.AreEqual(8183, longHistogram.HighestEquivalentValue(8180), "The highest equivalent value to 8180 is 8183");
Assert.AreEqual(8191, longHistogram.HighestEquivalentValue(8191), "The highest equivalent value to 8187 is 8191");
Assert.AreEqual(8199, longHistogram.HighestEquivalentValue(8193), "The highest equivalent value to 8193 is 8199");
Assert.AreEqual(9999, longHistogram.HighestEquivalentValue(9995), "The highest equivalent value to 9995 is 9999");
Assert.AreEqual(10007, longHistogram.HighestEquivalentValue(10007), "The highest equivalent value to 10007 is 10007");
Assert.AreEqual(10015, longHistogram.HighestEquivalentValue(10008), "The highest equivalent value to 10008 is 10015");
}
public void TestHighestEquivalentValue()
{
var longHistogram = new LongHistogram(1024, HighestTrackableValue, NumberOfSignificantValueDigits);
Assert.AreEqual(8183 * 1024 + 1023, longHistogram.HighestEquivalentValue(8180 * 1024), "The highest equivalent value to 8180 * 1024 is 8183 * 1024 + 1023");
Assert.AreEqual(8191 * 1024 + 1023, longHistogram.HighestEquivalentValue(8191 * 1024), "The highest equivalent value to 8187 * 1024 is 8191 * 1024 + 1023");
Assert.AreEqual(8199 * 1024 + 1023, longHistogram.HighestEquivalentValue(8193 * 1024), "The highest equivalent value to 8193 * 1024 is 8199 * 1024 + 1023");
Assert.AreEqual(9999 * 1024 + 1023, longHistogram.HighestEquivalentValue(9995 * 1024), "The highest equivalent value to 9995 * 1024 is 9999 * 1024 + 1023");
Assert.AreEqual(10007 * 1024 + 1023, longHistogram.HighestEquivalentValue(10007 * 1024), "The highest equivalent value to 10007 * 1024 is 10007 * 1024 + 1023");
Assert.AreEqual(10015 * 1024 + 1023, longHistogram.HighestEquivalentValue(10008 * 1024), "The highest equivalent value to 10008 * 1024 is 10015 * 1024 + 1023");
}
