n class="lineno">  308</span>&#160;<span class="comment">!       </span></div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;<span class="comment">!       output = 0.0_8</span></div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;<span class="comment">!       iter =&gt; this.begin</span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="comment">!       do while( associated(iter) )</span></div>
<div