Update index.ts

masx200 · masx200 · commit 19a4f3dbd352 · 2022-04-10T19:37:02.000+08:00
diff --git a/powx-n/index.ts b/powx-n/index.ts
@@ -1,4 +1,7 @@
 export default function myPow(x: number, n: number): number {
+    if (Number.isFinite(n) && !Number.isInteger(n)) {
+        throw Error("not integer:" + n);
+    }
     if (Number.isNaN(x) || Number.isNaN(n)) {
         throw Error("nan:" + x + "," + n);
     }

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,7 @@`
`1`	`1`	`export default function myPow(x: number, n: number): number {`
	`2`	`+ if (Number.isFinite(n) && !Number.isInteger(n)) {`
	`3`	`+ throw Error("not integer:" + n);`
	`4`	`+ }`
`2`	`5`	`if (Number.isNaN(x) \|\| Number.isNaN(n)) {`
`3`	`6`	`throw Error("nan:" + x + "," + n);`
`4`	`7`	`}`