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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/errors/mapd/Mapd.cs
+19 -1
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@@ -51,7 +51,9 @@ public sealed class Mapd : BiInputIndicatorBase
public static TSeries Calculate(TSeries actual, TSeries predicted, int period)
{
if (actual.Count != predicted.Count)
{
throw new ArgumentException("Actual and predicted series must have the same length", nameof(predicted));
}
int len = actual.Count;
var t = new List<long>(len);
@@ -75,12 +77,20 @@ public sealed class Mapd : BiInputIndicatorBase
public static void Batch(ReadOnlySpan<double> actual, ReadOnlySpan<double> predicted, Span<double> output, int period)
{
if (actual.Length != predicted.Length || actual.Length != output.Length)
{
throw new ArgumentException("All spans must have the same length", nameof(output));
}
if (period <= 0)
{
throw new ArgumentException("Period must be greater than 0", nameof(period));
}
int len = actual.Length;
if (len == 0) return;
if (len == 0)
{
return;
}
// Pre-compute percentage errors (divided by predicted, not actual)
const int StackAllocThreshold = 256;
@@ -131,14 +141,22 @@ public sealed class Mapd : BiInputIndicatorBase
double pred = predicted[i];
if (double.IsFinite(act))
{
lastValidActual = act;
}
else
{
act = lastValidActual;
}
if (double.IsFinite(pred) && Math.Abs(pred) >= Epsilon)
{
lastValidPredicted = pred;
}
else
{
pred = lastValidPredicted;
}
double absPredicted = Math.Abs(pred);
output[i] = absPredicted > Epsilon