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This commit is contained in:
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/filters/elliptic/Elliptic.Quantower.Tests.cs
+1 -1
View File
@@ -109,4 +109,4 @@ public class EllipticIndicatorTests
indicator.Period = 50;
Assert.Equal(50, indicator.Period);
}
}
}
lib/filters/elliptic/Elliptic.Tests.cs
+1 -1
View File
@@ -101,4 +101,4 @@ public class EllipticTests
Assert.False(filter.IsHot);
Assert.Equal(0, filter.Last.Value);
}
}
}
lib/filters/elliptic/Elliptic.Validation.Tests.cs
+6 -2
View File
@@ -49,9 +49,13 @@ public sealed class EllipticValidationTests : IDisposable
private static double StdDev(List<double> values)
{
if (values.Count < 2) return 0;
if (values.Count < 2)
{
return 0;
}
double avg = values.Average();
double sumSq = values.Sum(v => Math.Pow(v - avg, 2));
return Math.Sqrt(sumSq / (values.Count - 1));
}
}
}
lib/filters/elliptic/Elliptic.cs
+30 -6
View File
@@ -46,7 +46,9 @@ public sealed class Elliptic : AbstractBase
public Elliptic(int period)
{
if (period < 2)
{
throw new ArgumentOutOfRangeException(nameof(period), "Period must be >= 2");
}
Period = period;
Name = $"Elliptic({period})";
@@ -54,14 +56,20 @@ public sealed class Elliptic : AbstractBase
// Precompute coefficients based on hardcoded Rp=1dB, Rs=40dB
double Wc = Math.Tan(Math.PI / period);
if (Wc < 1e-9) Wc = 1e-9;
if (Wc < 1e-9)
{
Wc = 1e-9;
}
double omega_z_scaled = C_wz * Wc;
double sigma_scaled = C_sigma * Wc;
double Kp_scaled = C_Kp_norm * Wc * Wc;
double a0_denom = 1.0 - 2.0 * sigma_scaled + Kp_scaled;
if (Math.Abs(a0_denom) < 1e-9) a0_denom = 1e-9;
if (Math.Abs(a0_denom) < 1e-9)
{
a0_denom = 1e-9;
}
const double norm_factor = C_Kp_norm / (C_k * C_wz * C_wz);
@@ -111,7 +119,10 @@ public sealed class Elliptic : AbstractBase
public override TSeries Update(TSeries source)
{
if (source.Count == 0) return [];
if (source.Count == 0)
{
return [];
}
double[] values = source.Values.ToArray();
double[] results = new double[values.Length];
@@ -206,21 +217,31 @@ public sealed class Elliptic : AbstractBase
endState = default;
if (source.Length != output.Length)
{
throw new ArgumentException("Source and output spans must be of the same length.", nameof(output));
}
if (period < 2)
{
throw new ArgumentOutOfRangeException(nameof(period), "Period must be >= 2");
}
// Precompute coefficients based on hardcoded Rp=1dB, Rs=40dB
double Wc = Math.Tan(Math.PI / period);
if (Wc < 1e-9) Wc = 1e-9;
if (Wc < 1e-9)
{
Wc = 1e-9;
}
double omega_z_scaled = C_wz * Wc;
double sigma_scaled = C_sigma * Wc;
double Kp_scaled = C_Kp_norm * Wc * Wc;
double a0_denom = 1.0 - 2.0 * sigma_scaled + Kp_scaled;
if (Math.Abs(a0_denom) < 1e-9) a0_denom = 1e-9;
if (Math.Abs(a0_denom) < 1e-9)
{
a0_denom = 1e-9;
}
const double norm_factor = C_Kp_norm / (C_k * C_wz * C_wz);
@@ -249,7 +270,10 @@ public sealed class Elliptic : AbstractBase
if (source.Length > 0)
{
lastValid = source[0];
if (!double.IsFinite(lastValid)) lastValid = 0;
if (!double.IsFinite(lastValid))
{
lastValid = 0;
}
}
for (int i = 0; i < source.Length; i++)