Boost C++ Libraries: Ticket #13394: math_fwd.hpp contains declarations of undefined quaternion template specializations https://svn.boost.org/trac10/ticket/13394 <p> This code no needed in math_fwd.hpp since no template specializations in quaternion.hpp. This code produces compile errors in some cases. </p> <pre class="wiki">template &lt; &gt; class quaternion&lt; float &gt;; template &lt; &gt; class quaternion&lt; double &gt;; template &lt; &gt; class quaternion&lt; long double &gt;; </pre> en-us Boost C++ Libraries /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/13394 Trac 1.4.3 John Maddock Tue, 31 Jul 2018 17:59:22 GMT status changed; resolution set https://svn.boost.org/trac10/ticket/13394#comment:1 https://svn.boost.org/trac10/ticket/13394#comment:1 <ul> <li><strong>status</strong> <span class="trac-field-old">new</span> → <span class="trac-field-new">closed</span> </li> <li><strong>resolution</strong> → <span class="trac-field-new">fixed</span> </li> </ul> <p> Fixed thanks. </p> Ticket