From 804565e6156079e5e70b5aa53800e6e51dc1a1cb Mon Sep 17 00:00:00 2001
From: Karsten Schmidt <k@thi.ng>
Date: Thu, 16 Dec 2021 13:20:05 +0100
Subject: [PATCH] feat(binary): add shiftRL()

---
 packages/binary/src/rotate.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/packages/binary/src/rotate.ts b/packages/binary/src/rotate.ts
index 8a48f78c50..dad1aae0cd 100644
--- a/packages/binary/src/rotate.ts
+++ b/packages/binary/src/rotate.ts
@@ -17,3 +17,12 @@ export const rotateLeft = (x: number, n: Bit) =>
  */
 export const rotateRight = (x: number, n: Bit) =>
     ((x >>> n) | (x << (32 - n))) >>> 0;
+
+/**
+ * Shifts `x` by `n` bits left or right. If `n` >= 0, the value will be `>>>`
+ * shifted to right, if `n` < 0 the value will be shifted left.
+ *
+ * @param x
+ * @param n
+ */
+export const shiftRL = (x: number, n: number) => (n < 0 ? x << -n : x >>> n);