round_and_return
return round_and_return (retval, exponent, negative, val,
return round_and_return (retval, exponent, negative, 0, 0, 0);
return round_and_return (retval, bits - 1, negative,
return round_and_return (retval, bits - 1, negative, 0, 0, 0);
return round_and_return (retval, exponent - 1, negative,
return round_and_return (retval, exponent - 1, negative,
return round_and_return (retval, exponent - 1, negative,