eo.
        </li>
<li class="listitem">
          Fixed several corner cases in <a class="link" href="factorials/sf_rising_factorial.html" title="Rising Factorial">rising_factorial</a>,
          <a class="link" href="factorials/sf_falling_factorial.html" title="Falling Factorial">falling_factorial</a>
          and <a class="link" href="sf_gamma/gamma_ratios.html" title="Ratios of Gamma Functions">tgamma_delta_ratio</a>
          (thanks to Rocco Romeo).
        </li>
<li class="listitem">
          Remove