tion>
    <h2><span class="anchor" id="src"></span>Source Code</h2>
    <div class="highlight"><pre><span></span><span class="k">subroutine </span><span class="n">calculate_3DBdBfields_p</span><span class="p">(</span><span class="n">pchunk</span><span class="p">,</span><span class="n">F</span><span class="p">,</span><span class="n">Y_R</span><span class="p">,</span><span class="n">Y_PHI</span><span class="p">,</span><span class="n">Y_Z</span><span class="p">,</span><span class="n">B_R</span><span class="p">