code class="computeroutput"><span class="special">.</span><span class="identifier">integrate</span><span class="special">()</span></code>
          methods.
        </li>
<li class="listitem">
          Add <code class="computeroutput"><span class="identifier">quadratic_roots</span></code> to
          <code class="computeroutput"><span class="identifier">tools</span><span class="special">/</span><span class="identifier">roots</span><span class="special">.</span><span class="identifier">hpp</span></code>.
 