# File format.rb, line 575
    def initialize (whole, radix, fraction, precision_g_e, exponent)
      @total_size = ("@" + whole + radix + fraction + precision_g_e + exponent).size 
      @fraction = fraction.length
      @sig_figs = ("@" + whole + fraction).length
      @g_e = precision_g_e
    end