target="_top">GNU MPFR library</a>
        </li>
<li class="listitem">
          __float128
        </li>
</ul></div>
<p>
      The last four have some license restrictions; only <a href="../../../../../libs/multiprecision/doc/html/index.html" target="_top">Boost.Multiprecision</a>
      when using the <code class="computeroutput"><span class="identifier">cpp_float</span></code> backend
      can provide an unrestricted <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">Boost</a>
      license.
  