ss="computeroutput"><span class="identifier">x</span> <span class="special">&lt;</span> <span class="number">0</span></code>
            then <code class="computeroutput"><span class="identifier">x</span> <span class="special">-</span>
            <span class="identifier">u</span></code> is the previous floating-point
            value, but <code class="computeroutput"><span class="identifier">x</span> <span class="special">+</span>
            <span class="identifier">u</span></code> is not necessarily the