 class="n">Y_PHI</span><span class="p">,</span><span class="n">Y_Z</span><span class="p">,</span><span class="n">flag_cache</span><span class="p">)</span>

  <span class="k">call </span><span class="n">EZspline_interp</span><span class="p">(</span><span class="n">bfield_3d</span><span class="p">%</span><span class="n">R</span><span class="p">,</span><span class="n">bfield_3d</span><span class="p">%</span><span class="n">PHI</span><span class="p">,</span><span class="n">bfield_3d</span><span class="p">%</spa