).
        </li>
<li class="listitem">
          Corrected branch cuts on the complex inverse trig functions, to handle
          signed zeros (issue <a href="https://svn.boost.org/trac/boost/ticket/6171" target="_top">#6171</a>).
        </li>
<li class="listitem">
          Fixed bug in <code class="computeroutput"><span class="identifier">bessel_yn</span></code>
          which caused incorrect overflow errors to be raised for negative <span class="emphasis"><em>n</em></span>
          (issue <a href="ht