Function lohi_from_one

g2all/900/module/int64.js:28–38

(low)

// their low/high bits. creating a Int is slower compared to just using this
// function
export function lohi_from_one(low) {
    if (low instanceof Int) {
        return low._u32.slice();
    }

    if (check_not_in_range(low)) {
        throw TypeError(`low not a 32-bit integer: ${low}`);
    }

    return [low >>> 0, low < 0 ? -1 >>> 0 : 0];
}

// immutable 64-bit integer
export class Int {