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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/quantalib/_bridge.py
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@@ -368,6 +368,7 @@ HAS_HTTRENDMODE = _bind("qtl_httrendmode", [_dp, _dp, _ci])
HAS_ICHIMOKU = _bind("qtl_ichimoku", [_dp, _dp, _dp, _dp, _dp, _ci, _ci, _ci, _ci, _ci, _dp, _dp, _dp, _dp, _dp])
HAS_IMPULSE = _bind("qtl_impulse", [_dp, _ci, _ci, _ci, _ci, _ci, _dp])
HAS_PFE = _bind("qtl_pfe", [_dp, _dp, _ci, _ci, _ci])
HAS_PTA = _bind("qtl_pta", [_dp, _dp, _ci, _ci, _ci])
HAS_QSTICK = _bind("qtl_qstick", [_dp, _dp, _dp, _dp, _dp, _ci, _ci, _ci, _dp])
HAS_RAVI = _bind("qtl_ravi", [_dp, _dp, _ci, _ci, _ci])
HAS_SUPER = _bind("qtl_super", [_dp, _dp, _dp, _dp, _dp, _ci, _cd, _ci, _dp])