istitem">
          assign: idem, (currently partly) synonym for convert (but reversed arguments)
        </li>
</ul></div>
<p>
      <span class="bold"><strong>Additional coordinate types</strong></span>
    </p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
          Basic (limited) support for Boost.Rational
        </li></ul></div>
<h4>
<a name="geometry.release_notes.h18"></a>
      <span class="phrase"><a name="geometry.release_notes.boost_1_4