SBLAS Krylov solvers, this step is</span>
     <span 
class="cmr-12">completely transparent to the user, since </span><span class="obeylines-h"><span class="verb"><span 
class="cmtt-12">apply</span></span></span> <span 
class="cmr-12">is called by the PSBLAS routine</span>
     <span 
class="cmr-12">implementing the Krylov solver (</span><span class="obeylines-h"><span class="verb"><span 
class="cmtt-12">psb_krylov</span></span></span><span 
class="cmr-12">).</span>
     </li>
     <li 
  class="enumerate" 