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  <td class="mlabels-left">
      <table class="memname">
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          <td class="memname">character(:) function, allocatable rnfunction3d_::str </td>
          <td>(</td>
          <td class="paramtype">class(rnfunction3d)&#160;</td>
          <td class="paramname"><em>this</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">logical, optional&#160;</td>
          <td class="paramname"><em>formatted</em>, </td>
    