  </li>
<li class="listitem">
          <a href="https://svn.boost.org/trac/boost/ticket/5954" target="_top">5954</a>
          distance_pythagoras skips sqrt() step
        </li>
</ul></div>
<p>
      <span class="bold"><strong>Improvements on algorithms</strong></span>
    </p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Checking self-intersections is now not done automatically, this can blast
          performance.
        </li>
<li 