</span>
  <span class="kt">real</span><span class="p">(</span><span class="nb">kind</span><span class="o">=</span><span class="n">rk</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="kd">::</span> <span class="n">latitude</span> <span class="c">!! Latitude [rad]</span>
  <span class="n">grav</span> <span class="o">=</span> <span class="mf">9.780327_rk</span><span class="o">*</span><span class="p">(</span><span c