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feat(SquareRoot.js): Added TypeError

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Rak Laptudirm
2021-05-13 13:07:15 +05:30
parent a22c0486e7
commit 2c1052da8b
1 changed files with 4 additions and 0 deletions
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4
Maths/SquareRoot.js
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@ -7,6 +7,10 @@
*/ */
function sqrt (num, precision = 10) { function sqrt (num, precision = 10) {
if (!Number.isFinite(num))
throw new TypeError(`Expected a number, received ${typeof num}`)
if (!Number.isFinite(precision))
throw new TypeError(`Expected a number, received ${typeof precision}`)
let sqrt = 1 let sqrt = 1
for (let i = 0; i < precision; i++) { for (let i = 0; i < precision; i++) {
sqrt -= (sqrt * sqrt - num) / (2 * sqrt) sqrt -= (sqrt * sqrt - num) / (2 * sqrt)