url

alexander · alexander · commit e41ed9e22821 · 2022-10-08T13:50:47.000-04:00
diff --git a/Bit-Manipulation/LogTwo.js b/Bit-Manipulation/LogTwo.js
@@ -1,7 +1,9 @@
-/*
-  Approximate log2 using only bitwise operators
-*/
-
+/**
+ * https://handwiki.org/wiki/Binary_logarithm
+ * Approximate log2 using only bitwise operators
+ * @param {number} n
+ * @returns {number} Log2 approximation equal to floor(log2(n))
+ */
 export const logTwo = (n) => {
   let result = 0
   while (n >> 1) {
