ion">
<span 
class="cmbx-10">On Entry</span> </dt><dd 
class="description">
     </dd><dt class="description">
<span 
class="cmbx-10">prec</span> </dt><dd 
class="description">the preconditioner. Scope: <span 
class="cmbx-10">local </span><br 
class="newline" />Type: <span 
class="cmbx-10">required</span><br 
class="newline" />Intent: <span 
class="cmbx-10">in</span>.<br 
class="newline" />Specified as: a preconditioner data structure <a 
href="userhtmlsu8.html#precdata"><span 
class="cmtt-10">psb</span><sp