f the result of determinant
        </li>
<li class="listitem">
          <a href="https://svn.boost.org/trac/boost/ticket/10108" target="_top">10108</a>
          Error in overlay operations in specific cases where geometries touch at
          one point
        </li>
<li class="listitem">
          <a href="https://svn.boost.org/trac/boost/ticket/10201" target="_top">10201</a>
          Suggestion to use different function to compare coordinates [wontfix]
        </li>
<li class="listitem">
          <a h