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feat(dynamics): add PTA - Ehlers Precision Trend Analysis

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TASC Sep 2024. Dual 2-pole Butterworth highpass bandpass for
near-zero-lag trend extraction. HP(long) - HP(short) preserves
cycles between shortPeriod and longPeriod.

- Core: Pta.cs with O(1) streaming, Span batch, state rollback
- Quantower: PtaIndicator adapter with LineSeries + SetValue
- Tests: 31 lib + 11 Quantower (all passing)
- Pine: pta.pine PineScript v6 reference
- Docs: Pta.md canonical template v3
- Python: Exports.Generated.cs + _bridge.py + dynamics.py
- Indexes: _sidebar.md, lib/_index.md, dynamics/_index.md,
  docs/indicators.md, docs/pinescript.md
This commit is contained in:
Miha Kralj
2026-03-17 17:25:17 -07:00
parent 84d12e5706
commit aec3a64e4e
14 changed files with 1023 additions and 1 deletions
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python/src/Exports.Generated.cs
+13
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@@ -2316,6 +2316,19 @@ public static unsafe partial class Exports
catch { return StatusCodes.QTL_ERR_INTERNAL; }
}
[UnmanagedCallersOnly(EntryPoint = "qtl_pta")]
public static int QtlPta(double* source, double* output, int n, int longPeriod, int shortPeriod)
{
if (source == null || output == null) return StatusCodes.QTL_ERR_NULL_PTR;
if (n <= 0) return StatusCodes.QTL_ERR_INVALID_LENGTH;
try
{
Pta.Batch(Src(source, n), Dst(output, n), longPeriod, shortPeriod);
return StatusCodes.QTL_OK;
}
catch { return StatusCodes.QTL_ERR_INTERNAL; }
}
[UnmanagedCallersOnly(EntryPoint = "qtl_rs")]
public static int QtlRs(double* baseSeries, double* compSeries, double* output, int n, int smoothPeriod)
{