Function check_not_in_range

g2all/900/module/int64.js:21–23

(x)

const isInteger = Number.isInteger;

function check_not_in_range(x) {
    return !(isInteger(x) && -0x80000000 <= x && x <= 0xffffffff);
}

// use this if you want to support objects convertible to Int but only need
// their low/high bits. creating a Int is slower compared to just using this