="lineno">   66</span>&#160;            <span class="keywordflow">if</span> (dt == 0.0d0) <span class="keywordflow">then</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;                vk = 0.0d0</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;                ak = 0.0d0</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a n