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Added support for negative numbers in digit_sum() #235

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Added support for negative numbers in digit_sum() #235

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f076de3
add support for negative integers as well
ShatadalDas Mar 21, 2024
bbdd895
remove console.log()
ShatadalDas Mar 21, 2024
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8 changes: 6 additions & 2 deletions maths/digit_sum.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,12 @@
*/

export const digitSum = (num: number): number => {
if (num < 0 || !Number.isInteger(num)) {
throw new Error('only natural numbers are supported')
if (!Number.isInteger(num)) {
throw new Error('only integers are supported')
}

if(num < 0) {
num *= -1;
}

let sum = 0
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