https://svn.boost.org/trac10/ticket/7135 <p> I found that BOOST computes Hankel function H_\nu(1)(x) incorrectly for example for \nu = -1, x = -1 and for negative x and odd \nu. </p> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/7135 Trac 1.4.3 John Maddock Sat, 14 Jul 2012 17:50:25 GMT https://svn.boost.org/trac10/ticket/7135#comment:1 https://svn.boost.org/trac10/ticket/7135#comment:1 <ul> <li><strong>status</strong> <span class="trac-field-old">new</span> → <span class="trac-field-new">assigned</span> </li> </ul> <p> Confirmed, there's a typo in the calculation of the sign term. Testing fix now... </p> Ticket John Maddock Sat, 14 Jul 2012 18:34:05 GMT https://svn.boost.org/trac10/ticket/7135#comment:2 https://svn.boost.org/trac10/ticket/7135#comment:2 <ul> <li><strong>status</strong> <span class="trac-field-old">assigned</span> → <span class="trac-field-new">closed</span> </li> <li><strong>resolution</strong> → <span class="trac-field-new">fixed</span> </li> </ul> <p> (In <a class="changeset" href="https://svn.boost.org/trac10/changeset/79510" title="Fix typo in Hankel function implementation that causes incorrect ...">[79510]</a>) Fix typo in Hankel function implementation that causes incorrect values to be returned for x &lt; 0 and v an odd integer. Add additional Hankel function tests. Add a couple of missing header inclusion tests. Update history in docs, and regenerate HTML. Fixes <a class="closed ticket" href="https://svn.boost.org/trac10/ticket/7135" title="#7135: Bugs: Incorrect computation of the Hankel function (closed: fixed)">#7135</a>. </p> Ticket John Maddock Thu, 02 Aug 2012 11:57:53 GMT https://svn.boost.org/trac10/ticket/7135#comment:3 https://svn.boost.org/trac10/ticket/7135#comment:3 <ul> <li><strong>milestone</strong> <span class="trac-field-old">To Be Determined</span> → <span class="trac-field-new">Boost 1.52.0</span> </li> </ul> Ticket