python wrapper

This commit is contained in:
Miha Kralj
2026-02-28 14:14:35 -08:00
parent 82e0248eb0
commit 83e9511261
521 changed files with 62395 additions and 15669 deletions
@@ -1,54 +0,0 @@
using TradingPlatform.BusinessLayer;
namespace QuanTAlib.Tests;
public class QuantileIndicatorTests
{
[Fact]
public void QuantileIndicator_Constructor_DefaultValues()
{
var indicator = new QuantileIndicator();
Assert.Equal(14, indicator.Period);
Assert.Equal(0.5, indicator.QuantileLevel);
Assert.False(indicator.SeparateWindow);
}
[Fact]
public void QuantileIndicator_MinHistoryDepths()
{
var indicator = new QuantileIndicator { Period = 20 };
Assert.Equal(20, indicator.Period);
}
[Fact]
public void QuantileIndicator_Initialize_CreatesInternalQuantile()
{
var indicator = new QuantileIndicator { Period = 10, QuantileLevel = 0.75 };
indicator.Initialize();
Assert.Equal("Quantile 10 (0.75)", indicator.ShortName);
}
[Fact]
public void QuantileIndicator_ProcessUpdate_HistoricalBar_ComputesValue()
{
var indicator = new QuantileIndicator { Period = 5, QuantileLevel = 0.75 };
indicator.Initialize();
// Add historical data
var now = DateTime.UtcNow;
for (int i = 0; i < 20; i++)
{
indicator.HistoricalData.AddBar(now.AddMinutes(i), 100 + i, 110 + i, 90 + i, 105 + i);
var args = new UpdateArgs(UpdateReason.HistoricalBar);
indicator.ProcessUpdate(args);
}
// Line series should have a value
double quantile = indicator.LinesSeries[0].GetValue(0);
// Quantile of a trending series should be finite
Assert.True(double.IsFinite(quantile));
}
}
@@ -1,63 +0,0 @@
using System.Drawing;
using System.Runtime.CompilerServices;
using TradingPlatform.BusinessLayer;
namespace QuanTAlib;
[SkipLocalsInit]
public sealed class QuantileIndicator : Indicator, IWatchlistIndicator
{
[InputParameter("Period", sortIndex: 1, 1, 2000, 1, 0)]
public int Period { get; set; } = 14;
[InputParameter("Quantile Level (0.0-1.0)", sortIndex: 2, 0.0, 1.0, 0.01, 2)]
public double QuantileLevel { get; set; } = 0.5;
[IndicatorExtensions.DataSourceInput]
public SourceType Source { get; set; } = SourceType.Close;
[InputParameter("Show cold values", sortIndex: 21)]
public bool ShowColdValues { get; set; } = true;
private Quantile _quantile = null!;
private readonly LineSeries _series;
private Func<IHistoryItem, double> _priceSelector = null!;
public static int MinHistoryDepths => 0;
int IWatchlistIndicator.MinHistoryDepths => MinHistoryDepths;
public override string ShortName => $"Quantile {Period} ({QuantileLevel})";
public override string SourceCodeLink => "https://github.com/mihakralj/QuanTAlib/blob/main/lib/statistics/quantile/Quantile.Quantower.cs";
public QuantileIndicator()
{
OnBackGround = true;
SeparateWindow = false;
Name = "Quantile - Rolling Quantile";
Description = "Fraction of observations that fall below a given value in a rolling window";
_series = new LineSeries(name: "Quantile", color: IndicatorExtensions.Statistics, width: 2, style: LineStyle.Solid);
AddLineSeries(_series);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
protected override void OnInit()
{
_quantile = new Quantile(Period, QuantileLevel);
_priceSelector = Source.GetPriceSelector();
base.OnInit();
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
protected override void OnUpdate(UpdateArgs args)
{
var item = this.HistoricalData[this.Count - 1, SeekOriginHistory.Begin];
double value = _priceSelector(item);
var time = this.HistoricalData.Time();
var input = new TValue(time, value);
TValue result = _quantile.Update(input, args.IsNewBar());
_series.SetValue(result.Value, _quantile.IsHot, ShowColdValues);
}
}