n class="special">,</span> <span class="number">0.975</span><span class="special">))</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> <span class="comment">// 0.202</span>
</pre>
<p>
          or we can reverse the calculation by assuming a fraction of time on one
          side, say fraction 0.2,
        </p>
<pre class="programlisting"><span class="identifier">std</span><span cl