ecial">=</span> <span class="identifier">gauss</span><span class="special">&lt;</span><span class="keyword">double</span><span class="special">,</span> <span class="number">7</span><span class="special">&gt;::</span><span class="identifier">integrate</span><span class="special">(</span><span class="identifier">f</span><span class="special">,</span> <span class="number">0</span><span class="special">,</span> <span class="number">1</span><span class="special">);</span>
</pre>
<p>
      Which yields a value 0.