 href="structGlobalLU__t.html">GlobalLU_t</a> *&nbsp;</td>
          <td class="paramname"> <em>Glu</em></td><td>&nbsp;</td>
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          <td>)</td>
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 Purpose
 =======
   Prunes the L-structure of supernodes whose L-structure
   contains the current pivot row "pivrow"
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