F6: add Aroon Oscillator, Vortex and Mass Index
Completes the F6 family (Trend strength) end to end: - Rust core: aroon_oscillator.rs (AroonUp - AroonDown, one-line trend gauge), vortex.rs (Vortex Indicator VI+/VI- with the VortexOutput struct), mass_index.rs (Dorsey's range-expansion sum of the EMA-of-range ratio). Each with a full Indicator impl, runnable doctest and reference / saturation / warmup / reset / batch==streaming tests. - Python: PyAroonOscillator / PyVortex / PyMassIndex PyO3 classes + module registration + .pyi stubs (defaults Aroon=14, Vortex=14, MassIndex=(9,25)). - Node: explicit AroonOscillatorNode, VortexNode (with VortexValue object) and MassIndexNode; index.d.ts and index.js updated. - WASM: WasmAroonOscillator, WasmVortex, WasmMassIndex. - Wiki: Indicator-AroonOscillator/Vortex/MassIndex.md plus rows in Indicators-Overview.md and entries in Home.md. cargo fmt + clippy (core/wickra/data/wasm/node) clean; 320 core tests, 25 data tests and 45 doctests green.
This commit is contained in:
kingchenc
@@ -310,7 +310,7 @@ if (!nativeBinding) {
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throw new Error(`Failed to load native binding`)
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}
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const { version, SMA, EMA, WMA, RSI, DEMA, TEMA, HMA, ROC, TRIX, SMMA, TRIMA, ZLEMA, T3, VWMA, MOM, CMO, TSI, PMO, StochRSI, UltimateOscillator, PPO, DPO, Coppock, MACD, BollingerBands, ATR, Stochastic, OBV, ADX, CCI, WilliamsR, MFI, PSAR, Keltner, Donchian, VWAP, AwesomeOscillator, Aroon, KAMA } = nativeBinding
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const { version, SMA, EMA, WMA, RSI, DEMA, TEMA, HMA, ROC, TRIX, SMMA, TRIMA, ZLEMA, T3, VWMA, MOM, CMO, TSI, PMO, StochRSI, UltimateOscillator, PPO, DPO, Coppock, AroonOscillator, Vortex, MassIndex, MACD, BollingerBands, ATR, Stochastic, OBV, ADX, CCI, WilliamsR, MFI, PSAR, Keltner, Donchian, VWAP, AwesomeOscillator, Aroon, KAMA } = nativeBinding
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module.exports.version = version
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module.exports.SMA = SMA
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@@ -336,6 +336,9 @@ module.exports.UltimateOscillator = UltimateOscillator
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module.exports.PPO = PPO
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module.exports.DPO = DPO
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module.exports.Coppock = Coppock
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module.exports.AroonOscillator = AroonOscillator
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module.exports.Vortex = Vortex
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module.exports.MassIndex = MassIndex
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module.exports.MACD = MACD
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module.exports.BollingerBands = BollingerBands
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module.exports.ATR = ATR
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@@ -1145,6 +1145,175 @@ impl PmoNode {
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// ============================== VWMA ==============================
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// ============================== Aroon Oscillator ==============================
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#[napi(js_name = "AroonOscillator")]
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pub struct AroonOscillatorNode {
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inner: wc::AroonOscillator,
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}
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#[napi]
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impl AroonOscillatorNode {
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#[napi(constructor)]
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pub fn new(period: u32) -> napi::Result<Self> {
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Ok(Self {
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inner: wc::AroonOscillator::new(period as usize).map_err(map_err)?,
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})
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}
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#[napi]
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pub fn update(&mut self, high: f64, low: f64) -> napi::Result<Option<f64>> {
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Ok(self.inner.update(cnd(high, low, low, 0.0)?))
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}
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#[napi]
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pub fn batch(&mut self, high: Vec<f64>, low: Vec<f64>) -> napi::Result<Vec<f64>> {
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if high.len() != low.len() {
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return Err(NapiError::from_reason(
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"high and low must be equal length".to_string(),
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));
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}
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let mut out = Vec::with_capacity(high.len());
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for i in 0..high.len() {
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out.push(
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self.inner
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.update(cnd(high[i], low[i], low[i], 0.0)?)
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.unwrap_or(f64::NAN),
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);
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}
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Ok(out)
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}
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#[napi]
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pub fn reset(&mut self) {
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self.inner.reset();
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}
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#[napi(js_name = "isReady")]
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pub fn is_ready(&self) -> bool {
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self.inner.is_ready()
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}
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#[napi(js_name = "warmupPeriod")]
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pub fn warmup_period(&self) -> u32 {
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self.inner.warmup_period() as u32
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}
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}
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// ============================== Vortex ==============================
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/// Vortex Indicator pair: `VI+` and `VI-`.
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#[napi(object)]
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pub struct VortexValue {
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pub plus: f64,
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pub minus: f64,
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}
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#[napi(js_name = "Vortex")]
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pub struct VortexNode {
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inner: wc::Vortex,
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}
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#[napi]
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impl VortexNode {
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#[napi(constructor)]
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pub fn new(period: u32) -> napi::Result<Self> {
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Ok(Self {
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inner: wc::Vortex::new(period as usize).map_err(map_err)?,
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})
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}
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#[napi]
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pub fn update(&mut self, high: f64, low: f64, close: f64) -> napi::Result<Option<VortexValue>> {
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Ok(self
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.inner
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.update(cnd(high, low, close, 0.0)?)
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.map(|o| VortexValue {
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plus: o.plus,
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minus: o.minus,
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}))
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}
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/// Returns `[plus0, minus0, plus1, minus1, ...]`, length `2 * n`. Warmup is NaN.
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#[napi]
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pub fn batch(
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&mut self,
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high: Vec<f64>,
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low: Vec<f64>,
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close: Vec<f64>,
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) -> napi::Result<Vec<f64>> {
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if high.len() != low.len() || low.len() != close.len() {
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return Err(NapiError::from_reason(
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"high, low, close must be equal length".to_string(),
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));
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}
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let n = high.len();
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let mut out = vec![f64::NAN; n * 2];
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for i in 0..n {
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if let Some(o) = self.inner.update(cnd(high[i], low[i], close[i], 0.0)?) {
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out[i * 2] = o.plus;
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out[i * 2 + 1] = o.minus;
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}
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}
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Ok(out)
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}
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#[napi]
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pub fn reset(&mut self) {
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self.inner.reset();
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}
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#[napi(js_name = "isReady")]
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pub fn is_ready(&self) -> bool {
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self.inner.is_ready()
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}
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#[napi(js_name = "warmupPeriod")]
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pub fn warmup_period(&self) -> u32 {
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self.inner.warmup_period() as u32
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}
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}
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// ============================== Mass Index ==============================
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#[napi(js_name = "MassIndex")]
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pub struct MassIndexNode {
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inner: wc::MassIndex,
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}
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#[napi]
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impl MassIndexNode {
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#[napi(constructor)]
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pub fn new(ema_period: u32, sum_period: u32) -> napi::Result<Self> {
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Ok(Self {
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inner: wc::MassIndex::new(ema_period as usize, sum_period as usize).map_err(map_err)?,
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})
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}
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#[napi]
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pub fn update(&mut self, high: f64, low: f64) -> napi::Result<Option<f64>> {
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Ok(self.inner.update(cnd(high, low, low, 0.0)?))
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}
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#[napi]
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pub fn batch(&mut self, high: Vec<f64>, low: Vec<f64>) -> napi::Result<Vec<f64>> {
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if high.len() != low.len() {
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return Err(NapiError::from_reason(
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"high and low must be equal length".to_string(),
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));
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}
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let mut out = Vec::with_capacity(high.len());
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for i in 0..high.len() {
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out.push(
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self.inner
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.update(cnd(high[i], low[i], low[i], 0.0)?)
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.unwrap_or(f64::NAN),
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);
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}
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Ok(out)
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}
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#[napi]
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pub fn reset(&mut self) {
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self.inner.reset();
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}
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#[napi(js_name = "isReady")]
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pub fn is_ready(&self) -> bool {
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self.inner.is_ready()
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}
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#[napi(js_name = "warmupPeriod")]
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pub fn warmup_period(&self) -> u32 {
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self.inner.warmup_period() as u32
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}
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}
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// ============================== StochRSI ==============================
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#[napi(js_name = "StochRSI")]
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