story1.html#math_toolkit.main_overview.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, examples of
            use for C99 format infinity and NaN, and documentation.
          </li>
<li class