External Issue: Generic **gcd**

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20983, "damianmoz", "Generic gcd", "2022-11-04T15:33:35Z"

As somebody who likes 32-bit integers and occasionally dabbles in 16-bit integers, can I suggest the more generic and slightly tighter gcd(a,b) as a replacement within Math.chpl.

proc gcd(in a : int(?w), in b : int(w))
{
    (a, b) = (abs(a), abs(b));

    while b != 0 do
    {
        (a, b) = (b, a % b);
    }
    return a;
}

It is neither faster nor slower for int(64).