Update PerfectCube.js

Rudxain · web-flow · commit bbdf16fb7003 · 2022-07-28T13:02:36.000-04:00
diff --git a/Maths/PerfectCube.js b/Maths/PerfectCube.js
@@ -1,11 +1,12 @@
 /**
  * Author: dephraiim
  * License: GPL-3.0 or later
- * 
- * Infinity is an undefined cube, so return false for any sign.
- * This uses `round` instead of `floor` or `trunc`, to guard against rounding errors.
+ *
+ * The integer check acts as a guard clause, and avoids calculating the root if the input is invalid,
+ * it also ensures Infinity is treated as a non-cube. 
+ * This uses `round` instead of `floor` or `trunc`, to guard against potential `cbrt` accuracy errors.
  */
 
-const perfectCube = (num) => Number.isFinite(num) && Math.round(Math.cbrt(num)) ** 3 === num
+const perfectCube = (num) => Number.isInteger(num) && Math.round(Math.cbrt(num)) ** 3 === num
 
 export { perfectCube }
