feat: init the repo

2026-03-23 23:34:28 +05:30
commit 7a5a220dfe
344 changed files with 75728 additions and 0 deletions
@@ -0,0 +1,49 @@
+use numpy::{IntoPyArray, PyArray1, PyReadonlyArray1};
+use pyo3::prelude::*;
+
+use super::common::*;
+
+#[pyfunction]
+pub fn cdl3linestrike<'py>(
+    py: Python<'py>,
+    open: PyReadonlyArray1<'py, f64>,
+    high: PyReadonlyArray1<'py, f64>,
+    low: PyReadonlyArray1<'py, f64>,
+    close: PyReadonlyArray1<'py, f64>,
+) -> PyResult<Bound<'py, PyArray1<i32>>> {
+    let opens = open.as_slice()?;
+    let highs = high.as_slice()?;
+    let lows = low.as_slice()?;
+    let closes = close.as_slice()?;
+    let n = opens.len();
+    super::common::validate_ohlc_length(n, highs.len(), lows.len(), closes.len())?;
+    let mut result = vec![0i32; n];
+    for i in 3..n {
+        let (o0, c0) = (opens[i - 3], closes[i - 3]);
+        let (o1, c1) = (opens[i - 2], closes[i - 2]);
+        let (o2, c2) = (opens[i - 1], closes[i - 1]);
+        let (o3, c3) = (opens[i], closes[i]);
+        if is_bearish(o0, c0)
+            && is_bearish(o1, c1)
+            && is_bearish(o2, c2)
+            && c1 < c0
+            && c2 < c1
+            && is_bullish(o3, c3)
+            && o3 < c2
+            && c3 > o0
+        {
+            result[i] = 100;
+        } else if is_bullish(o0, c0)
+            && is_bullish(o1, c1)
+            && is_bullish(o2, c2)
+            && c1 > c0
+            && c2 > c1
+            && is_bearish(o3, c3)
+            && o3 > c2
+            && c3 < o0
+        {
+            result[i] = -100;
+        }
+    }
+    Ok(result.into_pyarray(py))
+}