class="n">E_Z</span>
  <span class="kt">REAL</span><span class="p">(</span><span class="n">rp</span><span class="p">),</span><span class="k">DIMENSION</span><span class="p">(</span><span class="n">pchunk</span><span class="p">)</span>   <span class="kd">::</span> <span class="n">E_R</span><span class="p">,</span><span class="n">E_PHI</span>
  <span class="kt">REAL</span><span class="p">(</span><span class="n">rp</span><span class="p">),</span><span class="k">DIMENSION</span><span class="p">(</span><span cla