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Miha Kralj
2026-01-25 16:01:45 -08:00
parent 2836f253c4
commit e59665c8f0
399 changed files with 6892 additions and 1323 deletions
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lib/trends_IIR/ema/Ema.Tests.cs
+14 -3
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@@ -444,7 +444,9 @@ public class EmaTests
var gbm = new GBM(startPrice: 100, mu: 0.05, sigma: 0.2, seed: 42);
for (int i = 0; i < source.Length; i++)
{
source[i] = gbm.Next().Close;
}
// Warm up
Ema.Batch(source.AsSpan(), output.AsSpan(), 100);
@@ -525,7 +527,10 @@ public class EmaTests
// ...
// We can verify against a fresh EMA fed with same data
var verifyEma = new Ema(5);
foreach (var val in history) verifyEma.Update(new TValue(DateTime.UtcNow, val));
foreach (var val in history)
{
verifyEma.Update(new TValue(DateTime.UtcNow, val));
}
Assert.Equal(verifyEma.Last.Value, ema.Last.Value, 1e-10);
Assert.Equal(verifyEma.IsHot, ema.IsHot);
@@ -545,7 +550,10 @@ public class EmaTests
ema.Prime(history);
var verifyEma = new Ema(5);
foreach (var val in history) verifyEma.Update(new TValue(DateTime.UtcNow, val));
foreach (var val in history)
{
verifyEma.Update(new TValue(DateTime.UtcNow, val));
}
Assert.Equal(verifyEma.Last.Value, ema.Last.Value, 1e-10);
}
@@ -565,7 +573,10 @@ public class EmaTests
public void Calculate_ReturnsCorrectResultsAndHotIndicator()
{
var series = new TSeries();
for (int i = 1; i <= 20; i++) series.Add(DateTime.UtcNow, i * 10);
for (int i = 1; i <= 20; i++)
{
series.Add(DateTime.UtcNow, i * 10);
}
// EMA(5)
var (results, indicator) = Ema.Calculate(series, 5);