jubilant-computing-machine/hamming.rs at main · spaceybread/jubilant-computing-machine · GitHub

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fn check256(mut arr: [i32; 256]) -> i32 {
    let mut i: i32 = 0;
    let mut bin = 0;
    while i < 256 {
        if arr[i as usize] == 1{
            bin ^= i;
        }
        i+= 1;
    }
    return bin;
}

fn fix256(mut arr: [i32; 256]) -> [i32; 256] {
    let bin: i32 = check256(arr);
    if bin == 0 {
        return arr;
    }
    arr[bin as usize] ^= 1;

    return arr;
}

fn testHamming() {
    let mut x = [0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1,
    0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0,
    0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1,
    0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1,
    0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1,
    0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
    0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0,
    0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1,
    0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1,
    0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1,
    0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0,
    0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1,
    0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0,
    0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0,
    0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1,
    0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1];

    let mut ans: i32 = check256(x);
    println!("{ans}");

    x = build256(x);
    ans = fix256(x);
    println!("{ans}");
}

fn main() {
    testHamming();
}