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<head><title>Method descr</title>
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<!--l. 863--><div class="crosslinks"><p class="noindent"><span
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<h4 class="subsectionHead"><span class="titlemark"><span
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class="cmr-12">5.8 </span></span> <a
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id="x25-240005.8"></a><span
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class="cmr-12">Method descr</span></h4>
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<div class="center"
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>
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<!--l. 865--><p class="noindent" >
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<!--l. 866--><p class="noindent" ><span class="lstinline"></span><span
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class="cmtt-12">call</span><span
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class="cmtt-12"> </span><span
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class="cmtt-12">p</span><span
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class="cmtt-12">%</span><span
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class="cmtt-12">descr</span><span
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class="cmtt-12">(</span><span
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class="cmtt-12">info</span><span
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class="cmtt-12">,</span><span
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class="cmtt-12"> </span><span
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class="cmtt-12">[</span><span
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class="cmtt-12">iout</span><span
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class="cmtt-12">,</span><span
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class="cmtt-12"> </span><span
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class="cmtt-12">root</span><span
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class="cmtt-12">,</span><span
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class="cmtt-12"> </span><span
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class="cmtt-12">verbosity</span><span
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class="cmtt-12">])</span><br />
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</div>
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<!--l. 869--><p class="noindent" ><span
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class="cmr-12">This method prints a description of the preconditioner </span><span class="lstinline"></span><span
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class="cmtt-12">p</span> <span
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class="cmr-12">to the standard output or to a</span>
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<span
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class="cmr-12">file. It must be called after </span><span class="lstinline"></span><span
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class="cmtt-12">hierachy_build</span> <span
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class="cmr-12">and </span><span class="lstinline"></span><span
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class="cmtt-12">smoothers_build</span><span
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class="cmr-12">, or </span><span class="lstinline"></span><span
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class="cmtt-12">build</span><span
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class="cmr-12">, have</span>
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<span
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class="cmr-12">been called.</span>
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<!--l. 874--><p class="noindent" ><span
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class="cmbx-12">Arguments</span>
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<div class="tabular"> <table id="TBL-16" class="tabular"
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cellspacing="0" cellpadding="0"
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><colgroup id="TBL-16-1g"><col
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id="TBL-16-1"><col
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id="TBL-16-2"></colgroup><tr
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style="vertical-align:baseline;" id="TBL-16-1-"><td style="white-space:normal; text-align:left;" id="TBL-16-1-1"
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class="td11"><!--l. 877--><p class="noindent" ><span class="lstinline"></span><span
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class="cmtt-12">info</span> </td><td style="white-space:normal; text-align:left;" id="TBL-16-1-2"
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class="td11"><!--l. 877--><p class="noindent" ><span class="lstinline"></span><span
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class="cmtt-12">integer</span><span
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class="cmtt-12">,</span><span
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class="cmtt-12"> </span><span
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class="cmtt-12">intent</span><span
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class="cmtt-12">(</span><span
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class="cmtt-12">out</span><span
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class="cmtt-12">)</span><span
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class="cmr-12">.</span> </td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-16-2-"><td style="white-space:normal; text-align:left;" id="TBL-16-2-1"
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class="td11"><!--l. 878--><p class="noindent" > </td><td style="white-space:normal; text-align:left;" id="TBL-16-2-2"
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class="td11"><!--l. 878--><p class="noindent" ><span
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class="cmr-12">Error code. If no error, 0 is returned. See Section</span><span
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class="cmr-12"> </span><a
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href="userhtmlse7.html#x28-320007"><span
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class="cmr-12">7</span><!--tex4ht:ref: sec:errors --></a> <span
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class="cmr-12">for details.</span></td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-16-3-"><td style="white-space:normal; text-align:left;" id="TBL-16-3-1"
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class="td11"><!--l. 879--><p class="noindent" ><span class="lstinline"></span><span
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class="cmtt-12">iout</span> </td><td style="white-space:normal; text-align:left;" id="TBL-16-3-2"
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class="td11"><!--l. 879--><p class="noindent" ><span class="lstinline"></span><span
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class="cmtt-12">integer</span><span
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class="cmtt-12">,</span><span
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class="cmtt-12"> </span><span
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class="cmtt-12">intent</span><span
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class="cmtt-12">(</span><span
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class="cmtt-12">in</span><span
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class="cmtt-12">),</span><span
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class="cmtt-12"> </span><span
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class="cmtt-12">optional</span><span
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class="cmr-12">.</span> </td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-16-4-"><td style="white-space:normal; text-align:left;" id="TBL-16-4-1"
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class="td11"><!--l. 880--><p class="noindent" > </td><td style="white-space:normal; text-align:left;" id="TBL-16-4-2"
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class="td11"><!--l. 880--><p class="noindent" ><span
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class="cmr-12">The id of the file where the preconditioner description will be</span>
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<span
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class="cmr-12">printed; the default is the standard output.</span> </td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-16-5-"><td style="white-space:normal; text-align:left;" id="TBL-16-5-1"
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class="td11"><!--l. 882--><p class="noindent" ><span class="lstinline"></span><span
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class="cmtt-12">root</span> </td><td style="white-space:normal; text-align:left;" id="TBL-16-5-2"
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class="td11"><!--l. 882--><p class="noindent" ><span class="lstinline"></span><span
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class="cmtt-12">integer</span><span
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class="cmtt-12">,</span><span
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class="cmtt-12"> </span><span
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class="cmtt-12">intent</span><span
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class="cmtt-12">(</span><span
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class="cmtt-12">in</span><span
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class="cmtt-12">),</span><span
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class="cmtt-12"> </span><span
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class="cmtt-12">optional</span><span
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class="cmr-12">.</span> </td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-16-6-"><td style="white-space:normal; text-align:left;" id="TBL-16-6-1"
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class="td11"><!--l. 883--><p class="noindent" > </td><td style="white-space:normal; text-align:left;" id="TBL-16-6-2"
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class="td11"><!--l. 883--><p class="noindent" ><span
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class="cmr-12">The id of the process where the preconditioner description</span>
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<span
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class="cmr-12">will be printed; the default is </span><span class="lstinline"></span><span
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class="cmtt-12">psb_root_</span><span
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class="cmr-12">.</span> </td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-16-7-"><td style="white-space:normal; text-align:left;" id="TBL-16-7-1"
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class="td11"><!--l. 885--><p class="noindent" ><span class="lstinline"></span><span
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class="cmtt-12">verbosity</span> </td><td style="white-space:normal; text-align:left;" id="TBL-16-7-2"
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class="td11"><!--l. 885--><p class="noindent" ><span class="lstinline"></span><span
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class="cmtt-12">integer</span><span
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class="cmtt-12">,</span><span
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class="cmtt-12"> </span><span
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class="cmtt-12">intent</span><span
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class="cmtt-12">(</span><span
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class="cmtt-12">in</span><span
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class="cmtt-12">),</span><span
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class="cmtt-12"> </span><span
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class="cmtt-12">optional</span><span
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class="cmr-12">.</span> </td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-16-8-"><td style="white-space:normal; text-align:left;" id="TBL-16-8-1"
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class="td11"><!--l. 886--><p class="noindent" > </td><td style="white-space:normal; text-align:left;" id="TBL-16-8-2"
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class="td11"><!--l. 886--><p class="noindent" ><span
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class="cmr-12">The verbosity level of the description. Default value is 0. For</span>
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<span
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class="cmr-12">values higher than 0, it prints out further information, e.g., for</span>
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<span
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class="cmr-12">a distributed multilevel preconditioner the size of the coarse</span>
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<span
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class="cmr-12">matrices on every process.</span> </td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-16-9-"><td style="white-space:normal; text-align:left;" id="TBL-16-9-1"
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class="td11"> </td> </tr></table></div>
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<!--l. 893--><div class="crosslinks"><p class="noindent"><span
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class="cmr-12">[</span><a
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href="userhtmlsu16.html" ><span
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class="cmr-12">next</span></a><span
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class="cmr-12">] [</span><a
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class="cmr-12">prev</span></a><span
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