
<li class="listitem">
            Permitted infinite degrees of freedom <a href="https://svn.boost.org/trac/boost/ticket/7259" target="_top">#7259</a>
            implemented using the normal distribution (requested by Thomas Mang).
          </li>
<li class="listitem">
            Much enhanced accuracy for large degrees of freedom &#957; and/or large non-centrality
            &#948;
by switching to use the Students t distribution (or Normal distribution
            for infinite degrees of freedom) cente