Struct RisingThreeMethods 

pub struct RisingThreeMethods { /* private fields */ }

Rising Three Methods — a 5-bar bullish continuation. A long white candle is followed by three small bars that drift back but stay inside its range (a brief rest), then a second long white candle closes above the first, resuming the advance.

long body = |close − open| >= 0.5 * (high − low)
bar1 white & long
bar2, bar3, bar4 small bodies, each contained within bar1's high/low range
bar5 white, closing above bar1's close

Output is +1.0 when the pattern completes and 0.0 otherwise. Rising Three Methods is a single-direction (bullish-only) continuation, so it never emits −1.0. The first four bars always return 0.0 because the five-bar window is not yet filled. Body thresholds follow the geometric house style rather than TA-Lib’s rolling averages. Pattern-shape check only — no trend filter is applied; combine with a trend indicator for actionable signals.

Signed ±1 encoding

This detector emits the uniform candlestick sign convention shared across the pattern family — +1.0 bullish, 0.0 no pattern — so it drops straight into a machine-learning feature matrix as a single dimension.

Example

use wickra_core::{Candle, Indicator, RisingThreeMethods};

let mut indicator = RisingThreeMethods::new();
indicator.update(Candle::new(10.0, 15.1, 9.9, 15.0, 1.0, 0).unwrap());
indicator.update(Candle::new(14.0, 14.1, 12.9, 13.0, 1.0, 1).unwrap());
indicator.update(Candle::new(13.5, 13.6, 12.4, 12.5, 1.0, 2).unwrap());
indicator.update(Candle::new(13.0, 13.1, 11.9, 12.0, 1.0, 3).unwrap());
let out = indicator
    .update(Candle::new(12.5, 16.1, 12.4, 16.0, 1.0, 4).unwrap());
assert_eq!(out, Some(1.0));

Implementations

impl RisingThreeMethods

pub const fn new() -> Self

Construct a new Rising Three Methods detector.

Trait Implementations

impl Clone for RisingThreeMethods

fn clone(&self) -> RisingThreeMethods

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for RisingThreeMethods

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for RisingThreeMethods

fn default() -> RisingThreeMethods

Returns the “default value” for a type.

impl Indicator for RisingThreeMethods

type Input = Candle

Type of one input data point (typically f64 for a price, or Candle / Tick).

type Output = f64

Type of one output value.

fn update(&mut self, candle: Candle) -> Option<f64>

Feed one new data point into the indicator and return the freshly computed output, or None if the indicator is still warming up.

fn reset(&mut self)

Reset all internal state, leaving the indicator equivalent to a freshly constructed instance with the same parameters.

fn warmup_period(&self) -> usize

Number of inputs required before the first non-None output can be produced.

fn is_ready(&self) -> bool

Whether the indicator has emitted at least one value since the last reset.

fn name(&self) -> &'static str

Stable, human-readable indicator name. Used by chaining and diagnostics.