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F9: add Accumulation/Distribution Line and Volume-Price Trend

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Completes the F9 family (Cumulative volume) end to end:

- Rust core: adl.rs (Accumulation/Distribution Line — cumulative
  range-weighted volume) and vpt.rs (Volume-Price Trend — cumulative
  volume scaled by percentage price change). Each with a full Indicator
  impl, runnable doctest and reference / cumulative-property / warmup /
  reset / batch==streaming tests.
- Python: PyAdl / PyVolumePriceTrend PyO3 classes + module registration
  + .pyi stubs (no parameters, like OBV/VWAP).
- Node: explicit AdlNode and VolumePriceTrendNode; index.d.ts and
  index.js updated.
- WASM: WasmAdl and WasmVolumePriceTrend.
- Wiki: Indicator-Adl.md and Indicator-VolumePriceTrend.md plus rows in
  Indicators-Overview.md and entries in Home.md.

cargo fmt + clippy (core/wickra/data/wasm/node) clean; 373 core tests,
25 data tests and 53 doctests green.
This commit is contained in:
kingchenc
2026-05-22 18:38:21 +02:00
parent 99dd144576
commit 81962485af
13 changed files with 1088 additions and 8 deletions
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crates/wickra-core/src/lib.rs
+7 -6
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@@ -44,12 +44,13 @@ pub mod indicators;
pub use error::{Error, Result};
pub use indicators::{
Adx, AdxOutput, Aroon, AroonOscillator, AroonOutput, Atr, AwesomeOscillator, BollingerBands,
BollingerBandwidth, BollingerOutput, Cci, Cmo, Coppock, Dema, Donchian, DonchianOutput, Dpo,
Ema, HistoricalVolatility, Hma, Kama, Keltner, KeltnerOutput, MacdIndicator, MacdOutput,
MassIndex, Mfi, Mom, Natr, Obv, PercentB, Pmo, Ppo, Psar, Roc, RollingVwap, Rsi, Sma, Smma,
StdDev, StochRsi, Stochastic, StochasticOutput, Tema, Trima, Trix, Tsi, UlcerIndex,
UltimateOscillator, Vortex, VortexOutput, Vwap, Vwma, WilliamsR, Wma, Zlema, T3,
Adl, Adx, AdxOutput, Aroon, AroonOscillator, AroonOutput, Atr, AwesomeOscillator,
BollingerBands, BollingerBandwidth, BollingerOutput, Cci, Cmo, Coppock, Dema, Donchian,
DonchianOutput, Dpo, Ema, HistoricalVolatility, Hma, Kama, Keltner, KeltnerOutput,
MacdIndicator, MacdOutput, MassIndex, Mfi, Mom, Natr, Obv, PercentB, Pmo, Ppo, Psar, Roc,
RollingVwap, Rsi, Sma, Smma, StdDev, StochRsi, Stochastic, StochasticOutput, Tema, Trima, Trix,
Tsi, UlcerIndex, UltimateOscillator, VolumePriceTrend, Vortex, VortexOutput, Vwap, Vwma,
WilliamsR, Wma, Zlema, T3,
};
pub use ohlcv::{Candle, Tick};
pub use traits::{BatchExt, Chain, Indicator};