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JavaScript (lemmy.ml)
submitted 6 days ago by [email protected] to c/[email protected]
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[-] Quibblekrust 6 points 5 days ago

It's much better to make your own function that uses bitwise operations to do addition.

function add(a, b) {
    while (b !== 0) {
        // Calculate carry
        let carry = a & b;

        // Sum without carry
        a = a ^ b;

        // Shift carry to the left
        b = carry << 1;
    }
    return a;
}

(For certain definitions of better.)

this post was submitted on 04 Jun 2025
1018 points (98.6% liked)

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