pan class="p">)</span>  <span class="kd">::</span> <span class="n">R</span><span class="p">,</span><span class="n">Z</span><span class="p">,</span><span class="n">R0</span><span class="p">,</span><span class="n">Z0</span>
    <span class="kt">REAL</span><span class="p">(</span><span class="n">rp</span><span class="p">),</span> <span class="k">INTENT</span><span class="p">(</span><span class="n">IN</span><span class="p">),</span><span class="k">optional</span>  <span class="kd">::</span> <span class="n">EPHI