SIMD Refactor: Merge simd-dev into dev (#55)

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> Co-authored-by: aider (openrouter/anthropic/claude-sonnet-4) <aider@aider.chat> Co-authored-by: Warp <agent@warp.dev>
2026-08-23 04:58:08 +00:00 · 2026-01-18 19:02:03 -08:00
parent 5bcdf8d614
commit 86fe32a682
1750 changed files with 198235 additions and 80539 deletions
@@ -0,0 +1,59 @@
+using System.Drawing;
+using TradingPlatform.BusinessLayer;
+using static QuanTAlib.IndicatorExtensions;
+
+namespace QuanTAlib;
+
+/// <summary>
+/// LOWEST (Rolling Minimum) Quantower indicator.
+/// Calculates the minimum value over a rolling lookback window.
+/// </summary>
+public class LowestIndicator : Indicator, IWatchlistIndicator
+{
+    [InputParameter("Period", sortIndex: 0, minimum: 1, maximum: 1000)]
+    public int Period { get; set; } = 14;
+
+    [DataSourceInput]
+    public SourceType Source { get; set; } = SourceType.Low;
+
+    [InputParameter("Show Cold Values", sortIndex: 100)]
+    public bool ShowColdValues { get; set; } = true;
+
+    private Lowest? _lowest;
+    private Func<IHistoryItem, double>? _selector;
+
+    public int MinHistoryDepths => Period;
+    public override string ShortName => $"LOWEST({Period})";
+
+    public LowestIndicator()
+    {
+        Name = "LOWEST - Rolling Minimum";
+        Description = "Calculates the minimum value over a rolling lookback window";
+        SeparateWindow = false;
+        OnBackGround = true;
+    }
+
+    protected override void OnInit()
+    {
+        _lowest = new Lowest(Period);
+        _selector = Source.GetPriceSelector();
+
+        AddLineSeries(new LineSeries("Lowest", Color.Red, 2, LineStyle.Solid));
+    }
+
+    protected override void OnUpdate(UpdateArgs args)
+    {
+        if (_lowest == null || _selector == null) return;
+
+        var item = HistoricalData[0, SeekOriginHistory.End];
+        double value = _selector(item);
+        bool isNew = args.IsNewBar();
+
+        TValue input = new(item.TimeLeft, value);
+        _lowest.Update(input, isNew);
+
+        bool isHot = _lowest.IsHot;
+
+        LinesSeries[0].SetValue(_lowest.Last.Value, isHot, ShowColdValues);
+    }
+}