lkit.history1.h31"></a>
      <span class="phrase"><a name="math_toolkit.history1.boost_1_47"></a></span><a class="link" href="history1.html#math_toolkit.history1.boost_1_47">Boost-1.47</a>
    </h5>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Added changesign function to sign.hpp to facilitate addition of nonfinite
          facets.
        </li>
<li class="listitem">
          Addition of nonfinite facets from Johan Rade, with tests, 