en</span><span class="w"> </span><span class="c">! if error is not returned stop program on error</span>
<span class="w">      </span><span class="n">ierr</span><span class="o">=</span><span class="n">ierr_local</span><span class="w"></span>
<span class="w">      </span><span class="n">s2v</span><span class="o">=</span><span class="n">valu</span><span class="w"></span>
<span class="w">   </span><span class="n">elseif</span><span class="p">(</span><span class="n">ierr_local</span><span class="w"> </span><spa