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feat: add TBF (Ehlers Truncated BandPass Filter) + fix all 64 warnings

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TBF indicator:
- Sealed class with RingBuffer, stackalloc scratch, O(Length) per bar
- 7 core files: Tbf.cs, Tbf.Quantower.cs, Tbf.md, tbf.pine, 3 test files
- 67 tests (48 lib + 19 Quantower) all passing
- Full integration: sidebar, indexes, docs, Python bridge, exports

AMFM fix:
- Added envBuf.Clear()/smaBuf.Clear() after stackalloc in Batch
  (SkipLocalsInit garbage values caused 8.97e+65 blowup)

Warning fixes (64 → 0):
- Amfm.cs: S125 commented code removed, 11× IDE0011 braces
- Pta.cs: 11× IDE0011 braces on if/else/for/foreach
- Pta.Tests.cs: 14× IDE0011, S1481 unused var, S2699 assertion, 2× MA0074
- Lpf.Quantower.Tests.cs: 2× MA0074 StringComparison

Build: 0 warnings, 0 errors, 20,048 tests passing
This commit is contained in:
Miha Kralj
2026-03-18 19:10:48 -07:00
parent ef00330de3
commit b79b56dc65
21 changed files with 1992 additions and 33 deletions
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python/quantalib/channels.py
+4 -4
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@@ -257,8 +257,8 @@ def ttm_lrc(close: object, period: int = 14, offset: int = 0, **kwargs) -> objec
return _wrap_multi({"midline": midline, "upper1": upper1, "lower1": lower1, "upper2": upper2, "lower2": lower2}, idx, "channels", offset)
def ubands(close: object, period: int = 14, multiplier: float = 2.0, offset: int = 0, **kwargs) -> object:
"""Upper/Lower Bands."""
def ubands(close: object, period: int = 20, multiplier: float = 1.0, offset: int = 0, **kwargs) -> object:
"""Ehlers Ultimate Bands."""
period = int(kwargs.get("length", period))
multiplier = float(multiplier)
offset = int(offset)
@@ -271,8 +271,8 @@ def ubands(close: object, period: int = 14, multiplier: float = 2.0, offset: int
return _wrap_multi({"upper": upper, "middle": middle, "lower": lower}, idx, "channels", offset)
def uchannel(high: object, low: object, close: object, strPeriod: int = 14, centerPeriod: int = 20, multiplier: float = 2.0, offset: int = 0, **kwargs) -> object:
"""Ulcer Channel."""
def uchannel(high: object, low: object, close: object, strPeriod: int = 20, centerPeriod: int = 20, multiplier: float = 1.0, offset: int = 0, **kwargs) -> object:
"""Ehlers Ultimate Channel."""
strPeriod = int(strPeriod)
centerPeriod = int(centerPeriod)
multiplier = float(multiplier)