re</span> <span class="identifier">comp</span><span class="special">,</span> <span class="identifier">uint32_t</span> <span class="identifier">num_thread</span><span class="special">);</span>
</pre>
<p>
              This algorithm needs a <span class="bold"><strong>C++11 compliant compiler</strong></span>.
              You don't need any other code or library. With older compilers correct
              operation is not guaranteed.
            </p>
<p>
              If the number of threads is unspecified,