/**
 * Returns `true` if `x1 < x2`, `false` otherwise.
 * 
 * @param x1 a double-double precision floating point number
 * @param x2 a double-double precision floating point number
 */
function ddLt(x1: number[], x2: number[]) {
    if (x1[1] < x2[1]) { return true; }
    if (x1[1] > x2[1]) { return false; }
    
    if (x1[0] < x2[0]) { return true; }

    return false;
}


export { ddLt }