>.
              </li>
<li class="listitem">
                <span class="bold"><strong>Returns:</strong></span>
                <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; ">
<li class="listitem">
                      <code class="computeroutput"><span class="identifier">fp_zero</span></code> when
                      <code class="computeroutput"><span class="identifier">x</span></code> is zero;
                    </li>
<li class="listitem">
                      <