span class="n">params</span><span class="p">,</span><span class="n">F</span><span class="p">,</span><span class="n">vars</span><span class="p">%</span><span class="n">Y</span><span class="p">,</span> <span class="n">vars</span><span class="p">%</span><span class="n">E</span><span class="p">,</span> <span class="n">vars</span><span class="p">%</span><span class="n">B</span><span class="p">,</span> <span class="p">&amp;</span>
               <span class="n">vars</span><span class="p">%</span><span class="n">g