                    Return the maximum number of decimal digits to generate in
                      the fractional part of the output.
                    </p>
                    <p>
                      <code class="computeroutput"><span class="identifier">n</span></code> is the real
                      number to output. This can be used to adjust the required precision
                      depending on the value of this number. If the trailing zeros
                      flag is specified the fracti