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Salvatore Filippone
2021-03-10 17:25:08 +01:00
parent e786f26a05
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@@ -1,7 +1,7 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html >
<head><title>Method smoothers_build</title>
<head><title>Method free</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="generator" content="TeX4ht (https://tug.org/tex4ht/)">
<meta name="originator" content="TeX4ht (https://tug.org/tex4ht/)">
@@ -10,7 +10,7 @@
<link rel="stylesheet" type="text/css" href="userhtml.css">
</head><body
>
<!--l. 603--><div class="crosslinks"><p class="noindent"><span
<!--l. 739--><div class="crosslinks"><p class="noindent"><span
class="cmr-12">[</span><a
href="userhtmlsu14.html" ><span
class="cmr-12">next</span></a><span
@@ -24,173 +24,51 @@ class="cmr-12">] [</span><a
href="#tailuserhtmlsu13.html"><span
class="cmr-12">tail</span></a><span
class="cmr-12">] [</span><a
href="userhtmlse6.html#userhtmlsu13.html" ><span
href="userhtmlse5.html#userhtmlsu13.html" ><span
class="cmr-12">up</span></a><span
class="cmr-12">] </span></p></div>
<h4 class="subsectionHead"><span class="titlemark"><span
class="cmr-12">6.4 </span></span> <a
id="x23-220006.4"></a><span
class="cmr-12">Method smoothers</span><span
class="cmr-12">_build</span></h4>
class="cmr-12">5.7 </span></span> <a
id="x22-210005.7"></a><span
class="cmr-12">Method free</span></h4>
<div class="center"
>
<!--l. 606--><p class="noindent" >
<!--l. 607--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
<!--l. 741--><p class="noindent" >
<!--l. 742--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">call</span><span
class="cmtt-12">&#x00A0;p%smoothers_build(a,desc_a,p,info[,amold,vmold,imold])</span></span></span><br />
class="cmtt-12">&#x00A0;p%free(p,info)</span></span></span><br />
</div>
<!--l. 610--><p class="noindent" ><span
class="cmr-12">This method builds the smoothers and the coarsest-level solvers for the multilevel</span>
<span
class="cmr-12">preconditioner </span><span class="obeylines-h"><span class="verb"><span
<!--l. 745--><p class="noindent" ><span
class="cmr-12">This method deallocates the preconditioner data structure </span><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">p</span></span></span><span
class="cmr-12">, according to the requirements made by the user through the methods</span>
<span class="obeylines-h"><span class="verb"><span
class="cmtt-12">init</span></span></span> <span
class="cmr-12">and </span><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">set</span></span></span><span
class="cmr-12">, and based on the aggregation hierarchy produced by a previous call to</span>
<span class="obeylines-h"><span class="verb"><span
class="cmtt-12">hierarchy_build</span></span></span> <span
class="cmr-12">(see Section</span><span
class="cmr-12">&#x00A0;</span><a
href="userhtmlsu12.html#x22-210006.3"><span
class="cmr-12">6.3</span><!--tex4ht:ref: sec:hier_bld --></a><span
class="cmr-12">).</span>
<!--l. 617--><p class="noindent" ><span
class="cmr-12">.</span>
<!--l. 748--><p class="noindent" ><span
class="cmbx-12">Arguments</span>
<div class="tabular"> <table id="TBL-12" class="tabular"
<div class="tabular"> <table id="TBL-15" class="tabular"
cellspacing="0" cellpadding="0"
><colgroup id="TBL-12-1g"><col
id="TBL-12-1"><col
id="TBL-12-2"></colgroup><tr
style="vertical-align:baseline;" id="TBL-12-1-"><td style="white-space:normal; text-align:left;" id="TBL-12-1-1"
class="td11"><!--l. 620--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">a</span></span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-12-1-2"
class="td11"><!--l. 620--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">type(psb_</span></span></span><span
class="cmti-12">x</span><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">spmat_type),</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-12-2-"><td style="white-space:normal; text-align:left;" id="TBL-12-2-1"
class="td11"><!--l. 621--><p class="noindent" > </td><td style="white-space:normal; text-align:left;" id="TBL-12-2-2"
class="td11"><!--l. 621--><p class="noindent" ><span
class="cmr-12">The sparse matrix structure containing the local part of the matrix</span>
<span
class="cmr-12">to be preconditioned. Note that </span><span
class="cmti-12">x </span><span
class="cmr-12">must be chosen according to the</span>
<span
class="cmr-12">real/complex, single/double precision version of AMG4PSBLAS</span>
<span
class="cmr-12">under use. See the PSBLAS User&#8217;s Guide for details </span><span class="cite"><span
class="cmr-12">[</span><a
href="userhtmlli4.html#XPSBLASGUIDE"><span
class="cmr-12">16</span></a><span
class="cmr-12">]</span></span><span
class="cmr-12">.</span> </td>
</tr><tr
style="vertical-align:baseline;" id="TBL-12-3-"><td style="white-space:normal; text-align:left;" id="TBL-12-3-1"
class="td11"><!--l. 625--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">desc_a</span></span></span></td><td style="white-space:normal; text-align:left;" id="TBL-12-3-2"
class="td11"><!--l. 625--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">type(psb_desc_type),</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-12-4-"><td style="white-space:normal; text-align:left;" id="TBL-12-4-1"
class="td11"><!--l. 626--><p class="noindent" > </td><td style="white-space:normal; text-align:left;" id="TBL-12-4-2"
class="td11"><!--l. 626--><p class="noindent" ><span
class="cmr-12">The communication descriptor of </span><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">a</span></span></span><span
class="cmr-12">. See the PSBLAS User&#8217;s Guide</span>
<span
class="cmr-12">for details </span><span class="cite"><span
class="cmr-12">[</span><a
href="userhtmlli4.html#XPSBLASGUIDE"><span
class="cmr-12">16</span></a><span
class="cmr-12">]</span></span><span
class="cmr-12">.</span> </td>
</tr><tr
style="vertical-align:baseline;" id="TBL-12-5-"><td style="white-space:normal; text-align:left;" id="TBL-12-5-1"
class="td11"><!--l. 628--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">info</span></span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-12-5-2"
class="td11"><!--l. 628--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
><colgroup id="TBL-15-1g"><col
id="TBL-15-1"><col
id="TBL-15-2"></colgroup><tr
style="vertical-align:baseline;" id="TBL-15-1-"><td style="white-space:normal; text-align:left;" id="TBL-15-1-1"
class="td11"><!--l. 751--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">info</span></span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-15-1-2"
class="td11"><!--l. 751--><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>
class="cmr-12">.</span> </td>
</tr><tr
style="vertical-align:baseline;" id="TBL-12-6-"><td style="white-space:normal; text-align:left;" id="TBL-12-6-1"
class="td11"><!--l. 629--><p class="noindent" > </td><td style="white-space:normal; text-align:left;" id="TBL-12-6-2"
class="td11"><!--l. 629--><p class="noindent" ><span
style="vertical-align:baseline;" id="TBL-15-2-"><td style="white-space:normal; text-align:left;" id="TBL-15-2-1"
class="td11"><!--l. 752--><p class="noindent" > </td><td style="white-space:normal; text-align:left;" id="TBL-15-2-2"
class="td11"><!--l. 752--><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-12-7-"><td style="white-space:normal; text-align:left;" id="TBL-12-7-1"
class="td11"><!--l. 630--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">amold</span></span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-12-7-2"
class="td11"><!--l. 630--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">class(psb_</span></span></span><span
class="cmti-12">x</span><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">_base_sparse_mat),</span><span
class="cmtt-12">&#x00A0;intent(in),</span><span
class="cmtt-12">&#x00A0;optional</span></span></span><span
class="cmr-12">.</span> </td>
</tr><tr
style="vertical-align:baseline;" id="TBL-12-8-"><td style="white-space:normal; text-align:left;" id="TBL-12-8-1"
class="td11"><!--l. 631--><p class="noindent" > </td><td style="white-space:normal; text-align:left;" id="TBL-12-8-2"
class="td11"><!--l. 631--><p class="noindent" ><span
class="cmr-12">The desired dynamic type for internal matrix components; this</span>
href="userhtmlse7.html#x26-300007"><span
class="cmr-12">7</span><!--tex4ht:ref: sec:errors --></a> <span
class="cmr-12">for</span>
<span
class="cmr-12">allows e.g. running on GPUs; it needs not be the same on all</span>
<span
class="cmr-12">processes. See the PSBLAS User&#8217;s Guide for details </span><span class="cite"><span
class="cmr-12">[</span><a
href="userhtmlli4.html#XPSBLASGUIDE"><span
class="cmr-12">16</span></a><span
class="cmr-12">]</span></span><span
class="cmr-12">.</span> </td>
class="cmr-12">details.</span> </td>
</tr><tr
style="vertical-align:baseline;" id="TBL-12-9-"><td style="white-space:normal; text-align:left;" id="TBL-12-9-1"
class="td11"><!--l. 635--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">vmold</span></span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-12-9-2"
class="td11"><!--l. 635--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">class(psb_</span></span></span><span
class="cmti-12">x</span><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">_base_vect_type),</span><span
class="cmtt-12">&#x00A0;intent(in),</span><span
class="cmtt-12">&#x00A0;optional</span></span></span><span
class="cmr-12">.</span> </td>
</tr><tr
style="vertical-align:baseline;" id="TBL-12-10-"><td style="white-space:normal; text-align:left;" id="TBL-12-10-1"
class="td11"><!--l. 636--><p class="noindent" > </td><td style="white-space:normal; text-align:left;" id="TBL-12-10-2"
class="td11"><!--l. 636--><p class="noindent" ><span
class="cmr-12">The desired dynamic type for internal vector components; this</span>
<span
class="cmr-12">allows e.g. running on GPUs.</span> </td>
</tr><tr
style="vertical-align:baseline;" id="TBL-12-11-"><td style="white-space:normal; text-align:left;" id="TBL-12-11-1"
class="td11"><!--l. 638--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">imold</span></span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-12-11-2"
class="td11"><!--l. 638--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">class(psb_i_base_vect_type),</span><span
class="cmtt-12">&#x00A0;intent(in),</span><span
class="cmtt-12">&#x00A0;optional</span></span></span><span
class="cmr-12">.</span> </td>
</tr><tr
style="vertical-align:baseline;" id="TBL-12-12-"><td style="white-space:normal; text-align:left;" id="TBL-12-12-1"
class="td11"><!--l. 639--><p class="noindent" > </td><td style="white-space:normal; text-align:left;" id="TBL-12-12-2"
class="td11"><!--l. 639--><p class="noindent" ><span
class="cmr-12">The desired dynamic type for internal integer vector components;</span>
<span
class="cmr-12">this allows e.g. running on GPUs.</span> </td>
</tr><tr
style="vertical-align:baseline;" id="TBL-12-13-"><td style="white-space:normal; text-align:left;" id="TBL-12-13-1"
style="vertical-align:baseline;" id="TBL-15-3-"><td style="white-space:normal; text-align:left;" id="TBL-15-3-1"
class="td11"> </td> </tr></table></div>
@@ -198,7 +76,7 @@ class="td11"> </td> </tr></table></div>
<!--l. 645--><div class="crosslinks"><p class="noindent"><span
<!--l. 758--><div class="crosslinks"><p class="noindent"><span
class="cmr-12">[</span><a
href="userhtmlsu14.html" ><span
class="cmr-12">next</span></a><span
@@ -212,9 +90,9 @@ class="cmr-12">] [</span><a
href="userhtmlsu13.html" ><span
class="cmr-12">front</span></a><span
class="cmr-12">] [</span><a
href="userhtmlse6.html#userhtmlsu13.html" ><span
href="userhtmlse5.html#userhtmlsu13.html" ><span
class="cmr-12">up</span></a><span
class="cmr-12">] </span></p></div>
<!--l. 645--><p class="indent" > <a
<!--l. 758--><p class="indent" > <a
id="tailuserhtmlsu13.html"></a>
</body></html>