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   <h4 class="subsectionHead"><span class="titlemark"><span 
class="cmr-12">5.8   </span></span> <a 
 id="x25-240005.8"></a><span 
class="cmr-12">Method descr</span></h4>
<div class="center" 
>
<!--l. 872--><p class="noindent" >
<!--l. 873--><p class="noindent" ><span class="lstinline"></span><span 
class="cmtt-12">call</span><span 
class="cmtt-12">&#x00A0;</span><span 
class="cmtt-12">p</span><span 
class="cmtt-12">%</span><span 
class="cmtt-12">descr</span><span 
class="cmtt-12">(</span><span 
class="cmtt-12">info</span><span 
class="cmtt-12">,</span><span 
class="cmtt-12">&#x00A0;</span><span 
class="cmtt-12">[</span><span 
class="cmtt-12">iout</span><span 
class="cmtt-12">,</span><span 
class="cmtt-12">&#x00A0;</span><span 
class="cmtt-12">root</span><span 
class="cmtt-12">,</span><span 
class="cmtt-12">&#x00A0;</span><span 
class="cmtt-12">verbosity</span><span 
class="cmtt-12">])</span><br />
</div>
<!--l. 876--><p class="noindent" ><span 
class="cmr-12">This method prints a description of the preconditioner </span><span class="lstinline"></span><span 
class="cmtt-12">p</span> <span 
class="cmr-12">to the standard output or to a</span>
<span 
class="cmr-12">file. It must be called after </span><span class="lstinline"></span><span 
class="cmtt-12">hierachy_build</span> <span 
class="cmr-12">and </span><span class="lstinline"></span><span 
class="cmtt-12">smoothers_build</span><span 
class="cmr-12">, or </span><span class="lstinline"></span><span 
class="cmtt-12">build</span><span 
class="cmr-12">, have</span>
<span 
class="cmr-12">been called.</span>
<!--l. 881--><p class="noindent" ><span 
class="cmbx-12">Arguments</span>
   <div class="tabular"> <table id="TBL-16" class="tabular" 
cellspacing="0" cellpadding="0"  
><colgroup id="TBL-16-1g"><col 
id="TBL-16-1"><col 
id="TBL-16-2"></colgroup><tr  
 style="vertical-align:baseline;" id="TBL-16-1-"><td  style="white-space:normal; text-align:left;" id="TBL-16-1-1"  
class="td11"><!--l. 884--><p class="noindent" ><span class="lstinline"></span><span 
class="cmtt-12">info</span>      </td><td  style="white-space:normal; text-align:left;" id="TBL-16-1-2"  
class="td11"><!--l. 884--><p class="noindent" ><span class="lstinline"></span><span 
class="cmtt-12">integer</span><span 
class="cmtt-12">,</span><span 
class="cmtt-12">&#x00A0;</span><span 
class="cmtt-12">intent</span><span 
class="cmtt-12">(</span><span 
class="cmtt-12">out</span><span 
class="cmtt-12">)</span><span 
class="cmr-12">.</span>                                                </td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-16-2-"><td  style="white-space:normal; text-align:left;" id="TBL-16-2-1"  
class="td11"><!--l. 885--><p class="noindent" >           </td><td  style="white-space:normal; text-align:left;" id="TBL-16-2-2"  
class="td11"><!--l. 885--><p class="noindent" ><span 
class="cmr-12">Error code. If no error, 0 is returned. See Section</span><span 
class="cmr-12">&#x00A0;</span><a 
href="userhtmlse7.html#x28-320007"><span 
class="cmr-12">7</span><!--tex4ht:ref: sec:errors --></a> <span 
class="cmr-12">for details.</span></td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-16-3-"><td  style="white-space:normal; text-align:left;" id="TBL-16-3-1"  
class="td11"><!--l. 886--><p class="noindent" ><span class="lstinline"></span><span 
class="cmtt-12">iout</span>       </td><td  style="white-space:normal; text-align:left;" id="TBL-16-3-2"  
class="td11"><!--l. 886--><p class="noindent" ><span class="lstinline"></span><span 
class="cmtt-12">integer</span><span 
class="cmtt-12">,</span><span 
class="cmtt-12">&#x00A0;</span><span 
class="cmtt-12">intent</span><span 
class="cmtt-12">(</span><span 
class="cmtt-12">in</span><span 
class="cmtt-12">),</span><span 
class="cmtt-12">&#x00A0;</span><span 
class="cmtt-12">optional</span><span 
class="cmr-12">.</span>                                 </td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-16-4-"><td  style="white-space:normal; text-align:left;" id="TBL-16-4-1"  
class="td11"><!--l. 887--><p class="noindent" >           </td><td  style="white-space:normal; text-align:left;" id="TBL-16-4-2"  
class="td11"><!--l. 887--><p class="noindent" ><span 
class="cmr-12">The id of the file where the preconditioner description will be</span>
<span 
class="cmr-12">printed; the default is the standard output.</span>                       </td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-16-5-"><td  style="white-space:normal; text-align:left;" id="TBL-16-5-1"  
class="td11"><!--l. 889--><p class="noindent" ><span class="lstinline"></span><span 
class="cmtt-12">root</span>       </td><td  style="white-space:normal; text-align:left;" id="TBL-16-5-2"  
class="td11"><!--l. 889--><p class="noindent" ><span class="lstinline"></span><span 
class="cmtt-12">integer</span><span 
class="cmtt-12">,</span><span 
class="cmtt-12">&#x00A0;</span><span 
class="cmtt-12">intent</span><span 
class="cmtt-12">(</span><span 
class="cmtt-12">in</span><span 
class="cmtt-12">),</span><span 
class="cmtt-12">&#x00A0;</span><span 
class="cmtt-12">optional</span><span 
class="cmr-12">.</span>                                 </td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-16-6-"><td  style="white-space:normal; text-align:left;" id="TBL-16-6-1"  
class="td11"><!--l. 890--><p class="noindent" >           </td><td  style="white-space:normal; text-align:left;" id="TBL-16-6-2"  
class="td11"><!--l. 890--><p class="noindent" ><span 
class="cmr-12">The id of the process where the preconditioner description</span>
<span 
class="cmr-12">will be printed; the default is </span><span class="lstinline"></span><span 
class="cmtt-12">psb_root_</span><span 
class="cmr-12">.</span>                          </td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-16-7-"><td  style="white-space:normal; text-align:left;" id="TBL-16-7-1"  
class="td11"><!--l. 892--><p class="noindent" ><span class="lstinline"></span><span 
class="cmtt-12">verbosity</span>  </td><td  style="white-space:normal; text-align:left;" id="TBL-16-7-2"  
class="td11"><!--l. 892--><p class="noindent" ><span class="lstinline"></span><span 
class="cmtt-12">integer</span><span 
class="cmtt-12">,</span><span 
class="cmtt-12">&#x00A0;</span><span 
class="cmtt-12">intent</span><span 
class="cmtt-12">(</span><span 
class="cmtt-12">in</span><span 
class="cmtt-12">),</span><span 
class="cmtt-12">&#x00A0;</span><span 
class="cmtt-12">optional</span><span 
class="cmr-12">.</span>                                 </td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-16-8-"><td  style="white-space:normal; text-align:left;" id="TBL-16-8-1"  
class="td11"><!--l. 893--><p class="noindent" >           </td><td  style="white-space:normal; text-align:left;" id="TBL-16-8-2"  
class="td11"><!--l. 893--><p class="noindent" ><span 
class="cmr-12">The verbosity level of the description. Default value is 0. For</span>
<span 
class="cmr-12">values higher than 0, it prints out further information, e.g., for</span>
<span 
class="cmr-12">a distributed multilevel preconditioner the size of the coarse</span>
<span 
class="cmr-12">matrices on every process.</span>                                              </td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-16-9-"><td  style="white-space:normal; text-align:left;" id="TBL-16-9-1"  
class="td11">           </td> </tr></table></div>
                                                                               

                                                                               
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