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   <h4 class="subsectionHead"><span class="titlemark"><span 
class="cmr-12">6.1   </span></span> <a 
 id="x20-190006.1"></a><span 
class="cmr-12">Method init</span></h4>
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>
<!--l. 45--><p class="noindent" >
<!--l. 46--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span 
class="cmtt-12">call</span><span 
class="cmtt-12">&#x00A0;p%init(icontx,ptype,info)</span></span></span></div>
<!--l. 49--><p class="noindent" ><span 
class="cmr-12">This method allocates and initializes the preconditioner </span><span class="obeylines-h"><span class="verb"><span 
class="cmtt-12">p</span></span></span><span 
class="cmr-12">, according to the</span>
<span 
class="cmr-12">preconditioner type chosen by the user.</span>
<!--l. 53--><p class="noindent" ><span 
class="cmbx-12">Arguments</span>
   <div class="tabular"> <table id="TBL-2" class="tabular" 
cellspacing="0" cellpadding="0"  
><colgroup id="TBL-2-1g"><col 
id="TBL-2-1"><col 
id="TBL-2-2"></colgroup><tr  
 style="vertical-align:baseline;" id="TBL-2-1-"><td  style="white-space:wrap; text-align:left;" id="TBL-2-1-1"  
class="td11"><!--l. 60--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span 
class="cmtt-12">icontxt</span></span></span> </td> <td  style="white-space:wrap; text-align:left;" id="TBL-2-1-2"  
class="td11"><!--l. 60--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span 
class="cmtt-12">integer,</span><span 
class="cmtt-12">&#x00A0;intent(in)</span></span></span><span 
class="cmr-12">.</span>                                                        </td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-2-2-"><td  style="white-space:wrap; text-align:left;" id="TBL-2-2-1"  
class="td11"><!--l. 61--><p class="noindent" >      </td><td  style="white-space:wrap; text-align:left;" id="TBL-2-2-2"  
class="td11"><!--l. 61--><p class="noindent" ><span 
class="cmr-12">The communication context.</span>                                                  </td></tr><tr  
 style="vertical-align:baseline;" id="TBL-2-3-"><td  style="white-space:wrap; text-align:left;" id="TBL-2-3-1"  
class="td11"><!--l. 62--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span 
class="cmtt-12">ptype</span></span></span> </td> <td  style="white-space:wrap; text-align:left;" id="TBL-2-3-2"  
class="td11"><!--l. 62--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span 
class="cmtt-12">character(len=*),</span><span 
class="cmtt-12">&#x00A0;intent(in)</span></span></span><span 
class="cmr-12">.</span></td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-2-4-"><td  style="white-space:wrap; text-align:left;" id="TBL-2-4-1"  
class="td11"><!--l. 63--><p class="noindent" >      </td><td  style="white-space:wrap; text-align:left;" id="TBL-2-4-2"  
class="td11"><!--l. 63--><p class="noindent" ><span 
class="cmr-12">The type of preconditioner. Its values are specified in Table</span><span 
class="cmr-12">&#x00A0;</span><a 
href="userhtmlse5.html#x17-160151"><span 
class="cmr-12">1</span><!--tex4ht:ref: tab:precinit --></a><span 
class="cmr-12">.</span>     </td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-2-5-"><td  style="white-space:wrap; text-align:left;" id="TBL-2-5-1"  
class="td11"><!--l. 65--><p class="noindent" >      </td><td  style="white-space:wrap; text-align:left;" id="TBL-2-5-2"  
class="td11"><!--l. 65--><p class="noindent" ><span 
class="cmr-12">Note that the strings are case insensitive.</span>                                 </td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-2-6-"><td  style="white-space:wrap; text-align:left;" id="TBL-2-6-1"  
class="td11"><!--l. 66--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span 
class="cmtt-12">info</span></span></span>  </td><td  style="white-space:wrap; text-align:left;" id="TBL-2-6-2"  
class="td11"><!--l. 66--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span 
class="cmtt-12">integer,</span><span 
class="cmtt-12">&#x00A0;intent(out)</span></span></span><span 
class="cmr-12">.</span>                                                       </td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-2-7-"><td  style="white-space:wrap; text-align:left;" id="TBL-2-7-1"  
class="td11"><!--l. 67--><p class="noindent" >      </td><td  style="white-space:wrap; text-align:left;" id="TBL-2-7-2"  
class="td11"><!--l. 67--><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="userhtmlse8.html#x30-340008"><span 
class="cmr-12">8</span><!--tex4ht:ref: sec:errors --></a> <span 
class="cmr-12">for details.</span>     </td>
</tr><tr  
 style="vertical-align:baseline;" id="TBL-2-8-"><td  style="white-space:wrap; text-align:left;" id="TBL-2-8-1"  
class="td11">      </td> </tr></table></div>
<!--l. 77--><p class="indent" >   <span 
class="cmr-12">For compatibility with the previous versions of MLD2P4, this method can be also</span>
<span 
class="cmr-12">invoked as follows:</span>
                                                                               

                                                                               
<div class="center" 
>
<!--l. 80--><p class="noindent" >
<!--l. 81--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span 
class="cmtt-12">call</span><span 
class="cmtt-12">&#x00A0;mld_precinit(p,ptype,info)</span></span></span></div>
                                                                               

                                                                               
                                                                               

                                                                               
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