b:precinit --></a><span 
class="cmr-12">,  where  the  strings  used  by  </span><span class="obeylines-h"><span class="verb"><span 
class="cmtt-12">init</span></span></span> <span 
class="cmr-12">to  identify  the</span>
     <span 
class="cmr-12">preconditioner types are also given. Note that these strings are valid also if</span>
     <span 
class="cmr-12">uppercase letters are substituted by corresponding lowercase ones.</span>
     </li>
     <li 
  class="enumerate" id="x17-16006x3"><span 
class="cmti