tulip_rs 0.1.4

High-performance technical analysis library — 100+ indicators and 60+ candlestick patterns with SIMD acceleration
Documentation 
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use crate::candle_indicators::registry::CandleBits;
use crate::candle_indicators::{
    pattern_test::EmaState,
    types::{CandleInfo, ForecastType},
};
use tulip_rs_macros::pattern_template;

use super::{FIRST, THIRD};

pub fn info() -> CandleInfo {
    CandleInfo {
        name: "upsidegaptwocrows",
        full_name: "Upside Gap Two Crows",
        forecast: ForecastType::BearishReversal,
        extended_pattern: None,
        bars: 3,
        japanese_name: "shita banare niwa garasu",
    }
}

#[pattern_template(
    name = "UpsideGapTwoCrows",
    forecast = "BearishReversal",
    prev_bar(trend = "UP"),
    bar(
        colour = "GREEN",
        fill = "HALLOW",
        line_height = "LONG",
        body_height = "LONG",
        candle_type = "Basic(WhiteCandle | LongWhiteCandle) Marubozu(OpeningWhiteMarubozu | ClosingWhiteMarubozu | WhiteMarubozu)"
    ),
    bar(
        colour = "GREEN",
        fill = "FILL",
        body_gap = "GAP_UP",
        candle_type = "!Doji(Doji | LongLeggedDoji | DragonflyDoji | GravestoneDoji | FourPriceDoji)",
    ),
    bar(
        colour = "RED",
        fill = "FILL",
        candle_type = "Basic(BlackCandle | LongBlackCandle) Marubozu(OpeningBlackMarubozu | ClosingBlackMarubozu | BlackMarubozu)",
        engulf_prev = "BODY",
        body_height = "LONG",
    )
)]
pub fn calc(
    inputs: (&[f64], &[f64], &[f64], &[f64]),
    _state: &EmaState,
    _bars: &[CandleBits],
) -> bool {
    let (_, _, _, close) = inputs;
    close[THIRD] > close[FIRST]
}