lass="special">);</span>
</pre>
<p>
      can be evaluated without a single temporary being calculated. Even expressions
      like:
    </p>
<pre class="programlisting"><span class="identifier">y</span> <span class="special">=</span> <span class="identifier">sin</span><span class="special">(</span><span class="identifier">x</span><span class="special">);</span>
</pre>
<p>
      get this treatment, so that variable 'y' is used as "working storage"
      within the implementation of <code class="computeroutp