https://svn.boost.org/trac10/ticket/10901 <p> The non-template constants aren't constexpr: <a class="ext-link" href="http://stackoverflow.com/questions/21688678/using-boost-math-constants-in-constexpr"><span class="icon">​</span>http://stackoverflow.com/questions/21688678/using-boost-math-constants-in-constexpr</a> </p> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/10901 Trac 1.4.3 John Maddock Mon, 05 Jan 2015 18:33:09 GMT https://svn.boost.org/trac10/ticket/10901#comment:1 https://svn.boost.org/trac10/ticket/10901#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 in develop. </p> Ticket