<span class="comment">! Parameters</span></div>
<div class="line">    <span class="keywordtype">integer(int32)</span>, <span class="keywordtype">parameter</span> :: n = 1000</div>
<div class="line"> </div>
<div class="line">    <span class="comment">! Local Variables</span></div>
<div class="line"><span class="keywordtype">    real</span>(real64), <span class="keywordtype">dimension(n)</span> :: t, x, y, z</div>
<div class="line">    <span class="keywordtype">type</span>(plot_3d) :: plt</div>
<div class="li