Function get_round_error

include/boost/multiprecision/cpp_bin_float.hpp:2210–2214

What value should this be????

    }
    // What value should this be????
    static number_type get_round_error()
    {
       // returns 0.5
       return ldexp(number_type(1u), -1);
    }
    static number_type get_infinity()
    {
       number_type value;