ng</span> <span class="keyword">double</span> <span class="identifier">y</span><span class="special">);</span>
</pre>
<p>
      Returns the next representable floating point number after <span class="emphasis"><em>x</em></span>
      in the direction of <span class="emphasis"><em>y</em></span>, or <span class="emphasis"><em>x</em></span> if <code class="computeroutput"><span class="identifier">x</span> <span class="special">==</span> <span class="identifier">y</span></code>.
    </p>
<pre class="programlist