s is performed by the routine</span>
     <span class="obeylines-h"><span class="verb"><span 
class="cmtt-12">init</span></span></span><span 
class="cmr-12">,  which  also  sets  defaults  for  each  preconditioner  type  selected  by</span>
     <span 
class="cmr-12">the user. The preconditioner types and the defaults associated with them</span>
     <span 
class="cmr-12">are  given  in  Table</span><span 
class="cmr-12">&#x00A0;</span><a 
href="#x17-160151"><span 
class="cmr-12">1</span><!--tex4ht:ref: ta