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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_IIR/vidya/Vidya.Quantower.cs
+2
View File
@@ -51,7 +51,9 @@ public sealed class VidyaIndicator : Indicator, IWatchlistIndicator
protected override void OnUpdate(UpdateArgs args)
{
if (args.Reason != UpdateReason.NewBar && args.Reason != UpdateReason.HistoricalBar && args.Reason != UpdateReason.NewTick)
{
return;
}
var item = HistoricalData[Count - 1, SeekOriginHistory.Begin];
TValue result = _ma.Update(new TValue(item.TimeLeft.Ticks, _priceSelector(item)), args.IsNewBar());
lib/trends_IIR/vidya/Vidya.cs
+34 -8
View File
@@ -46,7 +46,9 @@ public sealed class Vidya : AbstractBase
public Vidya(int period)
{
if (period <= 0)
{
throw new ArgumentException("Period must be greater than 0", nameof(period));
}
_period = period;
_alpha = 2.0 / (period + 1);
@@ -100,7 +102,11 @@ public sealed class Vidya : AbstractBase
double price = input.Value;
if (!double.IsFinite(price))
{
if (!_state.IsInitialized) return input;
if (!_state.IsInitialized)
{
return input;
}
price = _state.CurrentClose;
}
@@ -147,7 +153,10 @@ public sealed class Vidya : AbstractBase
public override TSeries Update(TSeries source)
{
if (source.Count == 0) return [];
if (source.Count == 0)
{
return [];
}
int len = source.Count;
var t = new List<long>(len);
@@ -197,7 +206,10 @@ public sealed class Vidya : AbstractBase
public override void Prime(ReadOnlySpan<double> source, TimeSpan? step = null)
{
if (source.Length == 0) return;
if (source.Length == 0)
{
return;
}
// Reset state
Reset();
@@ -224,7 +236,10 @@ public sealed class Vidya : AbstractBase
for (int i = 1; i < source.Length; i++)
{
double price = source[i];
if (!double.IsFinite(price)) price = prevClose;
if (!double.IsFinite(price))
{
price = prevClose;
}
double change = price - prevClose;
double up = change > 0 ? change : 0;
@@ -295,11 +310,19 @@ public sealed class Vidya : AbstractBase
public static void Batch(ReadOnlySpan<double> source, Span<double> output, int period)
{
if (period <= 0)
{
throw new ArgumentException("Period must be greater than 0", nameof(period));
if (source.Length != output.Length)
throw new ArgumentException("Source and output must have the same length", nameof(output));
}
if (source.Length == 0) return;
if (source.Length != output.Length)
{
throw new ArgumentException("Source and output must have the same length", nameof(output));
}
if (source.Length == 0)
{
return;
}
double alpha = 2.0 / (period + 1);
@@ -346,7 +369,10 @@ public sealed class Vidya : AbstractBase
sumDown += down;
head++;
if (head >= period) head = 0;
if (head >= period)
{
head = 0;
}
double sum = sumUp + sumDown;
double vi = 0;