 </a>   PLAPACK Users' Guide, to be published by MIT Press in 1997. Sept. 10, 1996 version.  <b> In preparation.  Notice that we are changing a number of calling sequences. Due to the inconsistency between the currently available library and this guide, which reflects the next release, it is important to sign our <a href="http://www.cs.utexas.edu/users/sammy/pla/sign-in"> guestbook, </a> so we can keep you informed. </b>  <hr>  <a href="http://www.cs.utexas.edu/users/gunnels/SL_Library/library.html"> <h2>
