an class="k">implicit none</span>
<span class="k">     </span><span class="kt">integer</span><span class="w"> </span><span class="kd">::</span><span class="w">  </span><span class="n">i</span>
<span class="w">     </span><span class="kt">real</span><span class="p">,</span><span class="w"> </span><span class="k">allocatable</span><span class="w"> </span><span class="kd">::</span><span class="w">  </span><span class="n">x</span><span class="p">(:),</span><span class="w"> </span><span class="n">y</span><span c