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style patterns

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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/trends_FIR/alma/Alma.cs
+36 -4
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@@ -46,11 +46,19 @@ public sealed class Alma : AbstractBase
public Alma(int period, double offset = 0.85, double sigma = 6.0)
{
if (period <= 0)
{
throw new ArgumentException("Period must be greater than 0", nameof(period));
}
if (sigma <= 0)
{
throw new ArgumentException("Sigma must be greater than 0", nameof(sigma));
}
if (offset < 0 || offset > 1)
{
throw new ArgumentOutOfRangeException(nameof(offset), "Offset must be between 0 and 1");
}
_period = period;
_offset = offset;
@@ -161,7 +169,10 @@ public sealed class Alma : AbstractBase
public override TSeries Update(TSeries source)
{
if (source.Count == 0) return new TSeries([], []);
if (source.Count == 0)
{
return new TSeries([], []);
}
int len = source.Count;
var t = new List<long>(len);
@@ -201,7 +212,10 @@ public sealed class Alma : AbstractBase
private double CalculateWeightedSum()
{
int count = _buffer.Count;
if (count == 0) return 0;
if (count == 0)
{
return 0;
}
if (count < _period)
{
@@ -250,13 +264,24 @@ public sealed class Alma : AbstractBase
public static void Calculate(ReadOnlySpan<double> source, Span<double> output, int period, double offset = 0.85, double sigma = 6.0)
{
if (period <= 0)
{
throw new ArgumentException("Period must be greater than 0", nameof(period));
}
if (sigma <= 0)
{
throw new ArgumentException("Sigma must be greater than 0", nameof(sigma));
}
if (offset < 0 || offset > 1)
{
throw new ArgumentOutOfRangeException(nameof(offset), "Offset must be between 0 and 1");
}
if (source.Length != output.Length)
{
throw new ArgumentException("Source and output must have the same length", nameof(output));
}
// Allocation Strategy: Stack for small periods, Pool for large
double[]? weightsArray = period > 256 ? ArrayPool<double>.Shared.Rent(period) : null;
@@ -352,8 +377,15 @@ public sealed class Alma : AbstractBase
}
finally
{
if (weightsArray != null) ArrayPool<double>.Shared.Return(weightsArray);
if (bufferArray != null) ArrayPool<double>.Shared.Return(bufferArray);
if (weightsArray != null)
{
ArrayPool<double>.Shared.Return(weightsArray);
}
if (bufferArray != null)
{
ArrayPool<double>.Shared.Return(bufferArray);
}
}
}