c pop</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="preprocessor">#                       endif</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="preprocessor">#               else</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;                        T x, y, z, w;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span 