465064569310967179576805651692929, which
          is wrong at about the 17th decimal digit!
        </p>
<p>
          This is because the value provided is truncated to a <code class="computeroutput"><span class="keyword">double</span></code>,
          effectively <code class="computeroutput"><span class="keyword">double</span> <span class="identifier">x</span>
          <span class="special">=</span> <span class="number">1.23456789012345678901234567890</span><span class="special">;</span></code>
       