</span>
    <span class="kt">INTEGER</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">rho_ind</span>
    <span class="kt">REAL</span><span class="p">(</span><span class="n">rp</span><span class="p">)</span> 				<span class="kd">::</span> <span class="n">fRE_H_3D</span>
    <span class="kt">REAL</span><span class="p">(</span><span class="n">rp</span>