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<div class="title">amg_base.hpp</div> </div>
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<a href="amg__base_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef VIENNACL_LINALG_DETAIL_AMG_AMG_BASE_HPP_</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define VIENNACL_LINALG_DETAIL_AMG_AMG_BASE_HPP_</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/* =========================================================================</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> Copyright (c) 2010-2016, Institute for Microelectronics,</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Institute for Analysis and Scientific Computing,</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> TU Wien.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> Portions of this software are copyright by UChicago Argonne, LLC.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> -----------------</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> ViennaCL - The Vienna Computing Library</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> -----------------</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"></span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> Project Head: Karl Rupp rupp@iue.tuwien.ac.at</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> (A list of authors and contributors can be found in the manual)</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"></span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> License: MIT (X11), see file LICENSE in the base directory</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">============================================================================= */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <cmath></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <set></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <list></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <stdexcept></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <algorithm></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <map></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENMP</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <omp.h></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "<a class="code" href="context_8hpp.html">viennacl/context.hpp</a>"</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span>viennacl</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">namespace </span>linalg</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645c"> 46</a></span> <span class="keyword">enum</span> <a class="code" href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645c">amg_coarsening_method</a></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645ca5167faa7286ca297508f581b26a048dc"> 48</a></span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645ca5167faa7286ca297508f581b26a048dc">AMG_COARSENING_METHOD_ONEPASS</a> = 1,</div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645ca867e1cc6319da3a2d502c9878d27170d"> 49</a></span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645ca867e1cc6319da3a2d502c9878d27170d">AMG_COARSENING_METHOD_AGGREGATION</a>,</div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645ca0d4c883a9aa8a8514fb260ac404e3c8b"> 50</a></span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645ca0d4c883a9aa8a8514fb260ac404e3c8b">AMG_COARSENING_METHOD_MIS2_AGGREGATION</a></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> };</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7"> 54</a></span> <span class="keyword">enum</span> <a class="code" href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7">amg_interpolation_method</a></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> {</div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7a48d5bb166d266affee4d526e8671bec2"> 56</a></span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7a48d5bb166d266affee4d526e8671bec2">AMG_INTERPOLATION_METHOD_DIRECT</a> = 1,</div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7a31dbd459c3ba8068280a6ec1bca00482"> 57</a></span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7a31dbd459c3ba8068280a6ec1bca00482">AMG_INTERPOLATION_METHOD_AGGREGATION</a>,</div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7afcffee5ed6e7ad032a9ffebe615b5932"> 58</a></span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7afcffee5ed6e7ad032a9ffebe615b5932">AMG_INTERPOLATION_METHOD_SMOOTHED_AGGREGATION</a></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> };</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html"> 64</a></span> <span class="keyword">class </span><a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html">amg_tag</a></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#ae9e0a92a319694a4d32958154f43f6ad"> 78</a></span>  <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#ae9e0a92a319694a4d32958154f43f6ad">amg_tag</a>()</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  : coarsening_method_(<a class="code" href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645ca0d4c883a9aa8a8514fb260ac404e3c8b">AMG_COARSENING_METHOD_MIS2_AGGREGATION</a>), interpolation_method_(<a class="code" href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7a31dbd459c3ba8068280a6ec1bca00482">AMG_INTERPOLATION_METHOD_AGGREGATION</a>),</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  strong_connection_threshold_(0.1), jacobi_weight_(1.0),</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  presmooth_steps_(2), postsmooth_steps_(2),</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  coarse_levels_(0), coarse_cutoff_(50) {}</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// Getter-/Setter-Functions</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#a773dab9bf7799da8332b0fe916cc4771"> 86</a></span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#a773dab9bf7799da8332b0fe916cc4771">set_coarsening_method</a>(<a class="code" href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645c">amg_coarsening_method</a> s) { coarsening_method_ = s; }</div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#a37cf475ac353f457a3b14879a1140e14"> 88</a></span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645c">amg_coarsening_method</a> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#a37cf475ac353f457a3b14879a1140e14">get_coarsening_method</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> coarsening_method_; }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#ab33a64319b2dc25a9b2bc38771c7c5a4"> 91</a></span>  <span class="keywordtype">void</span> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#ab33a64319b2dc25a9b2bc38771c7c5a4">set_interpolation_method</a>(<a class="code" href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7">amg_interpolation_method</a> interpol) { interpolation_method_ = interpol; }</div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#afb4b14cf0b9e99161fa8c1da4647ad0d"> 93</a></span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7">amg_interpolation_method</a> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#afb4b14cf0b9e99161fa8c1da4647ad0d">get_interpolation_method</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> interpolation_method_; }</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#ad5b5468b2991f795dabf0d2cc618a72b"> 100</a></span>  <span class="keywordtype">void</span> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#ad5b5468b2991f795dabf0d2cc618a72b">set_strong_connection_threshold</a>(<span class="keywordtype">double</span> threshold) { <span class="keywordflow">if</span> (threshold > 0) strong_connection_threshold_ = threshold; }</div>
<div class="line"><a name="l00105"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#a6f26714c41733e4e6546997e962dafa4"> 105</a></span>  <span class="keywordtype">double</span> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#a6f26714c41733e4e6546997e962dafa4">get_strong_connection_threshold</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> strong_connection_threshold_; }</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#a83d5125ff6aacce5400f7efc3e3fc4d6"> 111</a></span>  <span class="keywordtype">void</span> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#a83d5125ff6aacce5400f7efc3e3fc4d6">set_jacobi_weight</a>(<span class="keywordtype">double</span> w) { <span class="keywordflow">if</span> (w > 0) jacobi_weight_ = w; }</div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#ac040fe4a5f3a3ac02bcc951d6a72837b"> 113</a></span>  <span class="keywordtype">double</span> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#ac040fe4a5f3a3ac02bcc951d6a72837b">get_jacobi_weight</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> jacobi_weight_; }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#a39e4042f7fb17c99c33ede3522c9361c"> 116</a></span>  <span class="keywordtype">void</span> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#a39e4042f7fb17c99c33ede3522c9361c">set_presmooth_steps</a>(<a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> steps) { presmooth_steps_ = steps; }</div>
<div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#a5a792a87d6d2db9c7cb803b2ef0225dc"> 118</a></span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#a5a792a87d6d2db9c7cb803b2ef0225dc">get_presmooth_steps</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> presmooth_steps_; }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#ab00bf522866559edae47e527cb6d6c26"> 121</a></span>  <span class="keywordtype">void</span> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#ab00bf522866559edae47e527cb6d6c26">set_postsmooth_steps</a>(<a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> steps) { postsmooth_steps_ = steps; }</div>
<div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#ae591853998774384b61a317242434d68"> 123</a></span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#ae591853998774384b61a317242434d68">get_postsmooth_steps</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> postsmooth_steps_; }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#a6819576c6f457c34e8dff9f6edde3b50"> 126</a></span>  <span class="keywordtype">void</span> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#a6819576c6f457c34e8dff9f6edde3b50">set_coarse_levels</a>(<a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> levels) { coarse_levels_ = levels; }</div>
<div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#aaf8b264b0815ace331e56affb09fe4fb"> 128</a></span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#aaf8b264b0815ace331e56affb09fe4fb">get_coarse_levels</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> coarse_levels_; }</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#a5aebdbe8ab3ad72e1b2e88c9beae3701"> 131</a></span>  <span class="keywordtype">void</span> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#a5aebdbe8ab3ad72e1b2e88c9beae3701">set_coarsening_cutoff</a>(<a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> <a class="code" href="namespaceviennacl_1_1traits.html#aa2344ea20469f55fbc15a8e9526494d0">size</a>) { coarse_cutoff_ = <a class="code" href="namespaceviennacl_1_1traits.html#aa2344ea20469f55fbc15a8e9526494d0">size</a>; }</div>
<div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#a46a73d0777b27f7e6a67645c69ed5d22"> 133</a></span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#a46a73d0777b27f7e6a67645c69ed5d22">get_coarsening_cutoff</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> coarse_cutoff_; }</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#a150f1b177671b9daef9ea0d4391c27d8"> 140</a></span>  <span class="keywordtype">void</span> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#a150f1b177671b9daef9ea0d4391c27d8">set_setup_context</a>(<a class="code" href="classviennacl_1_1context.html">viennacl::context</a> ctx) { setup_ctx_ = ctx; }</div>
<div class="line"><a name="l00142"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#aaf11ae31671d807f858f6318db7be002"> 142</a></span>  <a class="code" href="classviennacl_1_1context.html">viennacl::context</a> <span class="keyword">const</span> & <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#aaf11ae31671d807f858f6318db7be002">get_setup_context</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> setup_ctx_; }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#a7513d4c67b8878c034dfcd7f4a8f180c"> 148</a></span>  <span class="keywordtype">void</span> <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#a7513d4c67b8878c034dfcd7f4a8f180c">set_target_context</a>(<a class="code" href="classviennacl_1_1context.html">viennacl::context</a> ctx) { target_ctx_ = ctx; }</div>
<div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="classviennacl_1_1linalg_1_1amg__tag.html#af3cab1d0755109166556d0840b256bed"> 150</a></span>  <a class="code" href="classviennacl_1_1context.html">viennacl::context</a> <span class="keyword">const</span> & <a class="code" href="classviennacl_1_1linalg_1_1amg__tag.html#af3cab1d0755109166556d0840b256bed">get_target_context</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> target_ctx_; }</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645c">amg_coarsening_method</a> coarsening_method_;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7">amg_interpolation_method</a> interpolation_method_;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">double</span> strong_connection_threshold_, jacobi_weight_;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> presmooth_steps_, postsmooth_steps_, coarse_levels_, coarse_cutoff_;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="classviennacl_1_1context.html">viennacl::context</a> setup_ctx_, target_ctx_;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> };</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">namespace </span>detail</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">namespace </span>amg</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> {</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a name="l00167"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html"> 167</a></span>  <span class="keyword">struct </span><a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html">amg_level_context</a></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  {</div>
<div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a711a4bf8bc2c4fa448e3aff649a3aea7"> 169</a></span>  <span class="keywordtype">void</span> <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a711a4bf8bc2c4fa448e3aff649a3aea7">resize</a>(<a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> num_points, <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> max_nnz)</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#ad537babcb184069cc920bfb2140860de">influence_jumper_</a>.<a class="code" href="classviennacl_1_1vector.html#a1b73aadf0c7b6c0028fd237ebb30c767">resize</a>(num_points + 1, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a262b6f406db2b16b53936b8759f83d05">influence_ids_</a>.<a class="code" href="classviennacl_1_1vector.html#a1b73aadf0c7b6c0028fd237ebb30c767">resize</a>(max_nnz, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a757fe2a72ed0d9eb3649ecda1c83129e">influence_values_</a>.<a class="code" href="classviennacl_1_1vector.html#a1b73aadf0c7b6c0028fd237ebb30c767">resize</a>(num_points, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a8856e6db54e88c12e2ac728b5fcbe1e4">point_types_</a>.<a class="code" href="classviennacl_1_1vector.html#a1b73aadf0c7b6c0028fd237ebb30c767">resize</a>(num_points, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa647069a4102267171e395fcfd10e7ac">coarse_id_</a>.<a class="code" href="classviennacl_1_1vector.html#a1b73aadf0c7b6c0028fd237ebb30c767">resize</a>(num_points, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div>
<div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a8ec682e16e0ddcea7239968fffc469fe"> 178</a></span>  <span class="keywordtype">void</span> <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a8ec682e16e0ddcea7239968fffc469fe">switch_context</a>(<a class="code" href="classviennacl_1_1context.html">viennacl::context</a> ctx)</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  {</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#ad537babcb184069cc920bfb2140860de">influence_jumper_</a>.<a class="code" href="classviennacl_1_1vector.html#a59f2ec43f298cc04d2f2bbbeee239bfe">switch_memory_context</a>(ctx);</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a262b6f406db2b16b53936b8759f83d05">influence_ids_</a>.<a class="code" href="classviennacl_1_1vector.html#a59f2ec43f298cc04d2f2bbbeee239bfe">switch_memory_context</a>(ctx);</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a757fe2a72ed0d9eb3649ecda1c83129e">influence_values_</a>.<a class="code" href="classviennacl_1_1vector.html#a59f2ec43f298cc04d2f2bbbeee239bfe">switch_memory_context</a>(ctx);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a8856e6db54e88c12e2ac728b5fcbe1e4">point_types_</a>.<a class="code" href="classviennacl_1_1vector.html#a59f2ec43f298cc04d2f2bbbeee239bfe">switch_memory_context</a>(ctx);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa647069a4102267171e395fcfd10e7ac">coarse_id_</a>.<a class="code" href="classviennacl_1_1vector.html#a59f2ec43f298cc04d2f2bbbeee239bfe">switch_memory_context</a>(ctx);</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">enum</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  {</div>
<div class="line"><a name="l00189"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa97530b4793135fb8d5e71010c8ff637adf77f4d874aa905e58b1d01448d599b7"> 189</a></span>  <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa97530b4793135fb8d5e71010c8ff637adf77f4d874aa905e58b1d01448d599b7">POINT_TYPE_UNDECIDED</a> = 0,</div>
<div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa97530b4793135fb8d5e71010c8ff637afbc2c39efc86491c26c2401d06f2cc8a"> 190</a></span>  <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa97530b4793135fb8d5e71010c8ff637afbc2c39efc86491c26c2401d06f2cc8a">POINT_TYPE_COARSE</a>,</div>
<div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa97530b4793135fb8d5e71010c8ff637af803b8af4a6abdaf3d0fd08c18da6de6"> 191</a></span>  <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa97530b4793135fb8d5e71010c8ff637af803b8af4a6abdaf3d0fd08c18da6de6">POINT_TYPE_FINE</a></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  } <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a5ba418d3e0c1d6e01d8efa3ab406cd71">amg_point_types</a>;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div>
<div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#ad537babcb184069cc920bfb2140860de"> 194</a></span>  <a class="code" href="classviennacl_1_1vector.html">viennacl::vector<unsigned int></a> <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#ad537babcb184069cc920bfb2140860de">influence_jumper_</a>; <span class="comment">// similar to row_buffer for CSR matrices</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a262b6f406db2b16b53936b8759f83d05"> 195</a></span>  <a class="code" href="classviennacl_1_1vector.html">viennacl::vector<unsigned int></a> <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a262b6f406db2b16b53936b8759f83d05">influence_ids_</a>; <span class="comment">// IDs of influencing points</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a757fe2a72ed0d9eb3649ecda1c83129e"> 196</a></span>  <a class="code" href="classviennacl_1_1vector.html">viennacl::vector<unsigned int></a> <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a757fe2a72ed0d9eb3649ecda1c83129e">influence_values_</a>; <span class="comment">// Influence measure for each point</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a8856e6db54e88c12e2ac728b5fcbe1e4"> 197</a></span>  <a class="code" href="classviennacl_1_1vector.html">viennacl::vector<unsigned int></a> <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a8856e6db54e88c12e2ac728b5fcbe1e4">point_types_</a>; <span class="comment">// 0: undecided, 1: coarse point, 2: fine point. Using char here because type for enum might be a larger type</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa647069a4102267171e395fcfd10e7ac"> 198</a></span>  <a class="code" href="classviennacl_1_1vector.html">viennacl::vector<unsigned int></a> <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa647069a4102267171e395fcfd10e7ac">coarse_id_</a>; <span class="comment">// coarse ID used on the next level. Only valid for coarse points. Fine points may (ab)use their entry for something else.</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aac5a6ef480cf58fb8fa490760bb94e35"> 199</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aac5a6ef480cf58fb8fa490760bb94e35">num_coarse_</a>;</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  };</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> } <span class="comment">//namespace amg</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> }</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> }</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> }</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_aaf11ae31671d807f858f6318db7be002"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#aaf11ae31671d807f858f6318db7be002">viennacl::linalg::amg_tag::get_setup_context</a></div><div class="ttdeci">viennacl::context const & get_setup_context() const </div><div class="ttdoc">Returns the ViennaCL context for the preconditioenr setup. </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00142">amg_base.hpp:142</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_a37cf475ac353f457a3b14879a1140e14"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#a37cf475ac353f457a3b14879a1140e14">viennacl::linalg::amg_tag::get_coarsening_method</a></div><div class="ttdeci">amg_coarsening_method get_coarsening_method() const </div><div class="ttdoc">Returns the current coarsening strategy. </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00088">amg_base.hpp:88</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_a150f1b177671b9daef9ea0d4391c27d8"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#a150f1b177671b9daef9ea0d4391c27d8">viennacl::linalg::amg_tag::set_setup_context</a></div><div class="ttdeci">void set_setup_context(viennacl::context ctx)</div><div class="ttdoc">Sets the ViennaCL context for the setup stage. Set this to a host context if you want to run the setu...</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00140">amg_base.hpp:140</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context_html"><div class="ttname"><a href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html">viennacl::linalg::detail::amg::amg_level_context</a></div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00167">amg_base.hpp:167</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_ad5b5468b2991f795dabf0d2cc618a72b"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#ad5b5468b2991f795dabf0d2cc618a72b">viennacl::linalg::amg_tag::set_strong_connection_threshold</a></div><div class="ttdeci">void set_strong_connection_threshold(double threshold)</div><div class="ttdoc">Sets the strong connection threshold. Customizations by the user essential for best results! ...</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00100">amg_base.hpp:100</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_a83d5125ff6aacce5400f7efc3e3fc4d6"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#a83d5125ff6aacce5400f7efc3e3fc4d6">viennacl::linalg::amg_tag::set_jacobi_weight</a></div><div class="ttdeci">void set_jacobi_weight(double w)</div><div class="ttdoc">Sets the weight (damping) for the Jacobi smoother. </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00111">amg_base.hpp:111</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_a7513d4c67b8878c034dfcd7f4a8f180c"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#a7513d4c67b8878c034dfcd7f4a8f180c">viennacl::linalg::amg_tag::set_target_context</a></div><div class="ttdeci">void set_target_context(viennacl::context ctx)</div><div class="ttdoc">Sets the ViennaCL context for the solver cycle stage (i.e. preconditioner applications). </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00148">amg_base.hpp:148</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_ac040fe4a5f3a3ac02bcc951d6a72837b"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#ac040fe4a5f3a3ac02bcc951d6a72837b">viennacl::linalg::amg_tag::get_jacobi_weight</a></div><div class="ttdeci">double get_jacobi_weight() const </div><div class="ttdoc">Returns the Jacobi smoother weight (damping). </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00113">amg_base.hpp:113</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_a9933216144a64dbd433ec02c95bbfdd7a31dbd459c3ba8068280a6ec1bca00482"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7a31dbd459c3ba8068280a6ec1bca00482">viennacl::linalg::AMG_INTERPOLATION_METHOD_AGGREGATION</a></div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00057">amg_base.hpp:57</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_a5a792a87d6d2db9c7cb803b2ef0225dc"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#a5a792a87d6d2db9c7cb803b2ef0225dc">viennacl::linalg::amg_tag::get_presmooth_steps</a></div><div class="ttdeci">vcl_size_t get_presmooth_steps() const </div><div class="ttdoc">Returns the number of smoother applications on the fine level before restriction to the coarser level...</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00118">amg_base.hpp:118</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_ab00bf522866559edae47e527cb6d6c26"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#ab00bf522866559edae47e527cb6d6c26">viennacl::linalg::amg_tag::set_postsmooth_steps</a></div><div class="ttdeci">void set_postsmooth_steps(vcl_size_t steps)</div><div class="ttdoc">Sets the number of smoother applications on the coarse level before interpolation to the finer level...</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00121">amg_base.hpp:121</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_ae591853998774384b61a317242434d68"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#ae591853998774384b61a317242434d68">viennacl::linalg::amg_tag::get_postsmooth_steps</a></div><div class="ttdeci">vcl_size_t get_postsmooth_steps() const </div><div class="ttdoc">Returns the number of smoother applications on the coarse level before interpolation to the finer lev...</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00123">amg_base.hpp:123</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_a9933216144a64dbd433ec02c95bbfdd7a48d5bb166d266affee4d526e8671bec2"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7a48d5bb166d266affee4d526e8671bec2">viennacl::linalg::AMG_INTERPOLATION_METHOD_DIRECT</a></div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00056">amg_base.hpp:56</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_a46a73d0777b27f7e6a67645c69ed5d22"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#a46a73d0777b27f7e6a67645c69ed5d22">viennacl::linalg::amg_tag::get_coarsening_cutoff</a></div><div class="ttdeci">vcl_size_t get_coarsening_cutoff() const </div><div class="ttdoc">Returns the coarse grid size for which the recursive multigrid scheme is stopped and a direct solver ...</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00133">amg_base.hpp:133</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_a3ba810acdca541a5eada4560982a645ca0d4c883a9aa8a8514fb260ac404e3c8b"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645ca0d4c883a9aa8a8514fb260ac404e3c8b">viennacl::linalg::AMG_COARSENING_METHOD_MIS2_AGGREGATION</a></div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00050">amg_base.hpp:50</a></div></div>
<div class="ttc" id="context_8hpp_html"><div class="ttname"><a href="context_8hpp.html">context.hpp</a></div><div class="ttdoc">Implementation of a OpenCL-like context, which serves as a unification of {OpenMP, CUDA, OpenCL} at the user API. </div></div>
<div class="ttc" id="classviennacl_1_1context_html"><div class="ttname"><a href="classviennacl_1_1context.html">viennacl::context</a></div><div class="ttdoc">Represents a generic 'context' similar to an OpenCL context, but is backend-agnostic and thus also su...</div><div class="ttdef"><b>Definition:</b> <a href="context_8hpp_source.html#l00039">context.hpp:39</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_af3cab1d0755109166556d0840b256bed"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#af3cab1d0755109166556d0840b256bed">viennacl::linalg::amg_tag::get_target_context</a></div><div class="ttdeci">viennacl::context const & get_target_context() const </div><div class="ttdoc">Returns the ViennaCL context for the solver cycle stage (i.e. preconditioner applications). </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00150">amg_base.hpp:150</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1traits_html_aa2344ea20469f55fbc15a8e9526494d0"><div class="ttname"><a href="namespaceviennacl_1_1traits.html#aa2344ea20469f55fbc15a8e9526494d0">viennacl::traits::size</a></div><div class="ttdeci">vcl_size_t size(VectorType const &vec)</div><div class="ttdoc">Generic routine for obtaining the size of a vector (ViennaCL, uBLAS, etc.) </div><div class="ttdef"><b>Definition:</b> <a href="size_8hpp_source.html#l00239">size.hpp:239</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_a3ba810acdca541a5eada4560982a645ca867e1cc6319da3a2d502c9878d27170d"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645ca867e1cc6319da3a2d502c9878d27170d">viennacl::linalg::AMG_COARSENING_METHOD_AGGREGATION</a></div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00049">amg_base.hpp:49</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_ab33a64319b2dc25a9b2bc38771c7c5a4"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#ab33a64319b2dc25a9b2bc38771c7c5a4">viennacl::linalg::amg_tag::set_interpolation_method</a></div><div class="ttdeci">void set_interpolation_method(amg_interpolation_method interpol)</div><div class="ttdoc">Sets the interpolation method to the provided method. </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00091">amg_base.hpp:91</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_a9933216144a64dbd433ec02c95bbfdd7afcffee5ed6e7ad032a9ffebe615b5932"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7afcffee5ed6e7ad032a9ffebe615b5932">viennacl::linalg::AMG_INTERPOLATION_METHOD_SMOOTHED_AGGREGATION</a></div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00058">amg_base.hpp:58</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_a39e4042f7fb17c99c33ede3522c9361c"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#a39e4042f7fb17c99c33ede3522c9361c">viennacl::linalg::amg_tag::set_presmooth_steps</a></div><div class="ttdeci">void set_presmooth_steps(vcl_size_t steps)</div><div class="ttdoc">Sets the number of smoother applications on the fine level before restriction to the coarser level...</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00116">amg_base.hpp:116</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_a6f26714c41733e4e6546997e962dafa4"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#a6f26714c41733e4e6546997e962dafa4">viennacl::linalg::amg_tag::get_strong_connection_threshold</a></div><div class="ttdeci">double get_strong_connection_threshold() const </div><div class="ttdoc">Returns the strong connection threshold parameter. </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00105">amg_base.hpp:105</a></div></div>
<div class="ttc" id="classviennacl_1_1vector_html_a1b73aadf0c7b6c0028fd237ebb30c767"><div class="ttname"><a href="classviennacl_1_1vector.html#a1b73aadf0c7b6c0028fd237ebb30c767">viennacl::vector::resize</a></div><div class="ttdeci">void resize(size_type new_size, bool preserve=true)</div><div class="ttdoc">Resizes the allocated memory for the vector. Pads the memory to be a multiple of 'AlignmentV'. </div><div class="ttdef"><b>Definition:</b> <a href="vector_8hpp_source.html#l01046">vector.hpp:1046</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context_html_aac5a6ef480cf58fb8fa490760bb94e35"><div class="ttname"><a href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aac5a6ef480cf58fb8fa490760bb94e35">viennacl::linalg::detail::amg::amg_level_context::num_coarse_</a></div><div class="ttdeci">unsigned int num_coarse_</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00199">amg_base.hpp:199</a></div></div>
<div class="ttc" id="namespaceviennacl_html_a98a0afcc513111ffa0bd138f891930df"><div class="ttname"><a href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">viennacl::vcl_size_t</a></div><div class="ttdeci">std::size_t vcl_size_t</div><div class="ttdef"><b>Definition:</b> <a href="forwards_8h_source.html#l00075">forwards.h:75</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context_html_aa97530b4793135fb8d5e71010c8ff637adf77f4d874aa905e58b1d01448d599b7"><div class="ttname"><a href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa97530b4793135fb8d5e71010c8ff637adf77f4d874aa905e58b1d01448d599b7">viennacl::linalg::detail::amg::amg_level_context::POINT_TYPE_UNDECIDED</a></div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00189">amg_base.hpp:189</a></div></div>
<div class="ttc" id="classviennacl_1_1vector_html"><div class="ttname"><a href="classviennacl_1_1vector.html">viennacl::vector< unsigned int ></a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_a773dab9bf7799da8332b0fe916cc4771"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#a773dab9bf7799da8332b0fe916cc4771">viennacl::linalg::amg_tag::set_coarsening_method</a></div><div class="ttdeci">void set_coarsening_method(amg_coarsening_method s)</div><div class="ttdoc">Sets the strategy used for constructing coarse grids. </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00086">amg_base.hpp:86</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context_html_aa97530b4793135fb8d5e71010c8ff637af803b8af4a6abdaf3d0fd08c18da6de6"><div class="ttname"><a href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa97530b4793135fb8d5e71010c8ff637af803b8af4a6abdaf3d0fd08c18da6de6">viennacl::linalg::detail::amg::amg_level_context::POINT_TYPE_FINE</a></div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00191">amg_base.hpp:191</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_aaf8b264b0815ace331e56affb09fe4fb"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#aaf8b264b0815ace331e56affb09fe4fb">viennacl::linalg::amg_tag::get_coarse_levels</a></div><div class="ttdeci">vcl_size_t get_coarse_levels() const </div><div class="ttdoc">Returns the number of coarse levels. If zero, then coarse levels are constructed until the cutoff siz...</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00128">amg_base.hpp:128</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html">viennacl::linalg::amg_tag</a></div><div class="ttdoc">A tag for algebraic multigrid (AMG). Used to transport information from the user to the implementatio...</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00064">amg_base.hpp:64</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context_html_a8ec682e16e0ddcea7239968fffc469fe"><div class="ttname"><a href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a8ec682e16e0ddcea7239968fffc469fe">viennacl::linalg::detail::amg::amg_level_context::switch_context</a></div><div class="ttdeci">void switch_context(viennacl::context ctx)</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00178">amg_base.hpp:178</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context_html_a8856e6db54e88c12e2ac728b5fcbe1e4"><div class="ttname"><a href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a8856e6db54e88c12e2ac728b5fcbe1e4">viennacl::linalg::detail::amg::amg_level_context::point_types_</a></div><div class="ttdeci">viennacl::vector< unsigned int > point_types_</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00197">amg_base.hpp:197</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_afb4b14cf0b9e99161fa8c1da4647ad0d"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#afb4b14cf0b9e99161fa8c1da4647ad0d">viennacl::linalg::amg_tag::get_interpolation_method</a></div><div class="ttdeci">amg_interpolation_method get_interpolation_method() const </div><div class="ttdoc">Returns the current interpolation method. </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00093">amg_base.hpp:93</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_a3ba810acdca541a5eada4560982a645c"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645c">viennacl::linalg::amg_coarsening_method</a></div><div class="ttdeci">amg_coarsening_method</div><div class="ttdoc">Enumeration of coarsening methods for algebraic multigrid. </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00046">amg_base.hpp:46</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_a5aebdbe8ab3ad72e1b2e88c9beae3701"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#a5aebdbe8ab3ad72e1b2e88c9beae3701">viennacl::linalg::amg_tag::set_coarsening_cutoff</a></div><div class="ttdeci">void set_coarsening_cutoff(vcl_size_t size)</div><div class="ttdoc">Sets the coarse grid size for which the recursive multigrid scheme is stopped and a direct solver is ...</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00131">amg_base.hpp:131</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_a6819576c6f457c34e8dff9f6edde3b50"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#a6819576c6f457c34e8dff9f6edde3b50">viennacl::linalg::amg_tag::set_coarse_levels</a></div><div class="ttdeci">void set_coarse_levels(vcl_size_t levels)</div><div class="ttdoc">Sets the number of coarse levels. If set to zero, then coarse levels are constructed until the cutoff...</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00126">amg_base.hpp:126</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1amg__tag_html_ae9e0a92a319694a4d32958154f43f6ad"><div class="ttname"><a href="classviennacl_1_1linalg_1_1amg__tag.html#ae9e0a92a319694a4d32958154f43f6ad">viennacl::linalg::amg_tag::amg_tag</a></div><div class="ttdeci">amg_tag()</div><div class="ttdoc">The constructor, setting default values for the various parameters. </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00078">amg_base.hpp:78</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context_html_aa97530b4793135fb8d5e71010c8ff637afbc2c39efc86491c26c2401d06f2cc8a"><div class="ttname"><a href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa97530b4793135fb8d5e71010c8ff637afbc2c39efc86491c26c2401d06f2cc8a">viennacl::linalg::detail::amg::amg_level_context::POINT_TYPE_COARSE</a></div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00190">amg_base.hpp:190</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context_html_aa647069a4102267171e395fcfd10e7ac"><div class="ttname"><a href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#aa647069a4102267171e395fcfd10e7ac">viennacl::linalg::detail::amg::amg_level_context::coarse_id_</a></div><div class="ttdeci">viennacl::vector< unsigned int > coarse_id_</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00198">amg_base.hpp:198</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_a3ba810acdca541a5eada4560982a645ca5167faa7286ca297508f581b26a048dc"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#a3ba810acdca541a5eada4560982a645ca5167faa7286ca297508f581b26a048dc">viennacl::linalg::AMG_COARSENING_METHOD_ONEPASS</a></div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00048">amg_base.hpp:48</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context_html_a757fe2a72ed0d9eb3649ecda1c83129e"><div class="ttname"><a href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a757fe2a72ed0d9eb3649ecda1c83129e">viennacl::linalg::detail::amg::amg_level_context::influence_values_</a></div><div class="ttdeci">viennacl::vector< unsigned int > influence_values_</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00196">amg_base.hpp:196</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_a9933216144a64dbd433ec02c95bbfdd7"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#a9933216144a64dbd433ec02c95bbfdd7">viennacl::linalg::amg_interpolation_method</a></div><div class="ttdeci">amg_interpolation_method</div><div class="ttdoc">Enumeration of interpolation methods for algebraic multigrid. </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00054">amg_base.hpp:54</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context_html_a262b6f406db2b16b53936b8759f83d05"><div class="ttname"><a href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a262b6f406db2b16b53936b8759f83d05">viennacl::linalg::detail::amg::amg_level_context::influence_ids_</a></div><div class="ttdeci">viennacl::vector< unsigned int > influence_ids_</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00195">amg_base.hpp:195</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context_html_a5ba418d3e0c1d6e01d8efa3ab406cd71"><div class="ttname"><a href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a5ba418d3e0c1d6e01d8efa3ab406cd71">viennacl::linalg::detail::amg::amg_level_context::amg_point_types</a></div><div class="ttdeci">enum viennacl::linalg::detail::amg::amg_level_context::@21 amg_point_types</div></div>
<div class="ttc" id="classviennacl_1_1vector_html_a59f2ec43f298cc04d2f2bbbeee239bfe"><div class="ttname"><a href="classviennacl_1_1vector.html#a59f2ec43f298cc04d2f2bbbeee239bfe">viennacl::vector::switch_memory_context</a></div><div class="ttdeci">void switch_memory_context(viennacl::context new_ctx)</div><div class="ttdef"><b>Definition:</b> <a href="vector_8hpp_source.html#l01064">vector.hpp:1064</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context_html_a711a4bf8bc2c4fa448e3aff649a3aea7"><div class="ttname"><a href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#a711a4bf8bc2c4fa448e3aff649a3aea7">viennacl::linalg::detail::amg::amg_level_context::resize</a></div><div class="ttdeci">void resize(vcl_size_t num_points, vcl_size_t max_nnz)</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00169">amg_base.hpp:169</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context_html_ad537babcb184069cc920bfb2140860de"><div class="ttname"><a href="structviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__level__context.html#ad537babcb184069cc920bfb2140860de">viennacl::linalg::detail::amg::amg_level_context::influence_jumper_</a></div><div class="ttdeci">viennacl::vector< unsigned int > influence_jumper_</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00194">amg_base.hpp:194</a></div></div>
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