code class="computeroutput"><span class="identifier">fp_subnormal</span></code>
                      when <code class="computeroutput"><span class="identifier">x</span></code> is subnormal;
                    </li>
<li class="listitem">
                      <code class="computeroutput"><span class="identifier">fp_infinite</span></code>
                      when <code class="computeroutput"><span class="identifier">x</span></code> is infinity;
                    </li>
<li class="listitem">
             