n class="lineno">   69</span>&#160;        sum=a(i,j)</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        <span class="keywordflow">if</span>(i.gt.1) <span class="keywordflow">then</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;          <span class="keywordflow">do</span> k=1,i-1</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;            sum=sum-a(i,k)*a(k,j)</div>
<div class="line"><a n