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<div class="title">amg_coarse.hpp</div> </div>
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<a href="amg__coarse_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_COARSE_HPP</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define VIENNACL_LINALG_DETAIL_AMG_AMG_COARSE_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) 2010-2014, 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 PDF 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="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <cmath></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="amg__base_8hpp.html">viennacl/linalg/detail/amg/amg_base.hpp</a>"</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <map></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENMP</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <omp.h></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#endif</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 "<a class="code" href="amg__debug_8hpp.html">viennacl/linalg/detail/amg/amg_debug.hpp</a>"</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>viennacl</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>linalg</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> {</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span>detail</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">namespace </span>amg</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">template</span><<span class="keyword">typename</span> InternalT1, <span class="keyword">typename</span> InternalT2, <span class="keyword">typename</span> InternalT3></div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ab7386391afbc0aa06a994fc2f5e8bb7e"> 52</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ab7386391afbc0aa06a994fc2f5e8bb7e">amg_coarse</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level, InternalT1 & A, InternalT2 & pointvector, InternalT3 & slicing, <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag.html">amg_tag</a> & tag)</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> {</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">switch</span> (tag.<a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag.html#a6f6d6db8fe0a636855c121da58d06c4f">get_coarse</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"> 56</span>  <span class="keywordflow">case</span> <a class="code" href="amg__base_8hpp.html#a90fe5b950aed138b5206d8435598ce65">VIENNACL_AMG_COARSE_RS</a>: <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a67538223738ab40c9f4b39088612316a">amg_coarse_classic</a>(level, A, pointvector, tag); <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">case</span> <a class="code" href="amg__base_8hpp.html#a7c1f879fb7a41a75883bc85c144edb9b">VIENNACL_AMG_COARSE_ONEPASS</a>: <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad34541d8f3bb3f87ac2716ab5a95a420">amg_coarse_classic_onepass</a>(level, A, pointvector, tag); <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">case</span> <a class="code" href="amg__base_8hpp.html#aa18626553487873cb4112892551e4ccb">VIENNACL_AMG_COARSE_RS0</a>: <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a6c04af56b32000a402d2a609ace5f91f">amg_coarse_rs0</a>(level, A, pointvector, slicing, tag); <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">case</span> <a class="code" href="amg__base_8hpp.html#a7e50599d5719af8a79cbc325ac1716e0">VIENNACL_AMG_COARSE_RS3</a>: <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a11b1312ad430a46089643a016b3130fd">amg_coarse_rs3</a>(level, A, pointvector, slicing, tag); <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">case</span> <a class="code" href="amg__base_8hpp.html#a539c69875e7eaeed3c6443c4cca47b7f">VIENNACL_AMG_COARSE_AG</a>: <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a93673df74eb56bb82b03d7773df489f6">amg_coarse_ag</a>(level, A, pointvector, tag); <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> }</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">template</span><<span class="keyword">typename</span> InternalT1, <span class="keyword">typename</span> InternalT2></div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ac1c8234b37f50bc93351f01bc4a56cf8"> 71</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ac1c8234b37f50bc93351f01bc4a56cf8">amg_influence</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level, InternalT1 <span class="keyword">const</span> & A, InternalT2 & pointvector, <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag.html">amg_tag</a> & tag)</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> InternalT1::value_type SparseMatrixType;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> InternalT2::value_type PointVectorType;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> SparseMatrixType::value_type <a class="code" href="fft__1d_8cpp.html#ad5c19ca4f47d3f8ec21232a5af2624e5">ScalarType</a>;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> SparseMatrixType::const_iterator1 ConstRowIterator;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> SparseMatrixType::const_iterator2 ConstColIterator;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENMP</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor"> #pragma omp parallel for</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">for</span> (<span class="keywordtype">long</span> i=0; i<static_cast<long>(A[level].size1()); ++i)</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="keywordtype">int</span> diag_sign = 1;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (A[level](static_cast<unsigned int>(i),<span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(i)) < 0)</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  diag_sign = -1;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  ConstRowIterator row_iter = A[level].begin1();</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  row_iter += <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(i);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// Find greatest non-diagonal negative value (positive if diagonal is negative) in row</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  ScalarType <a class="code" href="namespaceviennacl_1_1linalg_1_1detail.html#a5d46fe9558b0e462f10fd44942ad4fc6">max</a> = 0;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">for</span> (ConstColIterator col_iter = row_iter.begin(); col_iter != row_iter.end(); ++col_iter)</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  {</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (i == (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) col_iter.index2()) <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (diag_sign == 1)</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (max > *col_iter) max = *col_iter;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> (diag_sign == -1)</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> (max < *col_iter) max = *col_iter;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// If maximum is 0 then the row is independent of the others</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (std::fabs(max) <= 0)</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// Find all points that strongly influence current point (Yang, p.5)</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">for</span> (ConstColIterator col_iter = row_iter.begin(); col_iter != row_iter.end(); ++col_iter)</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  {</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(col_iter.index2());</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</span> (i == j)</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span> (<a class="code" href="fft__1d_8cpp.html#ad5c19ca4f47d3f8ec21232a5af2624e5">ScalarType</a>(diag_sign) * (-*col_iter) >= tag.<a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag.html#a9d8abc1b90ac48b43cc4005095528361">get_threshold</a>() * (<a class="code" href="fft__1d_8cpp.html#ad5c19ca4f47d3f8ec21232a5af2624e5">ScalarType</a>(diag_sign) * (-<a class="code" href="namespaceviennacl_1_1linalg_1_1detail.html#a5d46fe9558b0e462f10fd44942ad4fc6">max</a>)))</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// Strong influence from j to i found, save information</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  pointvector[level][<span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(i)]->add_influencing_point(pointvector[level][static_cast<unsigned int>(j)]);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor"> #ifdef VIENNACL_AMG_DEBUG</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  std::cout << <span class="stringliteral">"Influence Matrix: "</span> << std::endl;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  boost::numeric::ublas::matrix<bool> mat;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  Pointvector[level].get_influence_matrix(mat);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a640494c9b7567259cf495578a470afa4">printmatrix</a> (mat);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// Save influenced points</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> PointVectorType::iterator iter = pointvector[level].begin(); iter != pointvector[level].end(); ++iter)</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__sparsevector__iterator.html">amg_point::iterator</a> iter2 = (*iter)->begin_influencing(); iter2 != (*iter)->end_influencing(); ++iter2)</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  (*iter2)->add_influenced_point(*iter);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor"> #ifdef VIENNACL_AMG_DEBUG</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  std::cout << <span class="stringliteral">"Influence Measures: "</span> << std::endl;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  boost::numeric::ublas::vector<unsigned int> temp;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  pointvector[level].get_influence(temp);</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad0644454e165cf3966b300334edac36b">printvector</a>(temp);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  std::cout << <span class="stringliteral">"Point Sorting: "</span> << std::endl;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  Pointvector[level].get_sorting(temp);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad0644454e165cf3966b300334edac36b">printvector</a> (temp);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> }</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">template</span><<span class="keyword">typename</span> InternalT1, <span class="keyword">typename</span> InternalT2></div>
<div class="line"><a name="l00153"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad34541d8f3bb3f87ac2716ab5a95a420"> 153</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad34541d8f3bb3f87ac2716ab5a95a420">amg_coarse_classic_onepass</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level, InternalT1 & A, InternalT2 & pointvector, <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag.html">amg_tag</a> & tag)</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> {</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html">amg_point</a>* c_point, *point1, *point2;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// Check and save all strong influences</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ac1c8234b37f50bc93351f01bc4a56cf8">amg_influence</a>(level, A, pointvector, tag);</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>  <span class="comment">// Traverse through points and calculate initial influence measure</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor"> #ifdef VIENNACL_WITH_OPENMP</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="preprocessor"> #pragma omp parallel for</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">for</span> (<span class="keywordtype">long</span> i=0; i<static_cast<long>(pointvector[level].size()); ++i)</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  pointvector[level][static_cast<unsigned int>(i)]->calc_influence();</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// Do initial sorting</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  pointvector[level].sort();</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// Get undecided point with highest influence measure</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">while</span> ((c_point = pointvector[level].get_nextpoint()) != NULL)</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// Make this point C point</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  pointvector[level].make_cpoint(c_point);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// All strongly influenced points become F points</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__sparsevector__iterator.html">amg_point::iterator</a> iter = c_point-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a49cdf27c232f7633df57a63bacad53d6">begin_influenced</a>(); iter != c_point-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#abc43ea82d5d0674906576e843615365b">end_influenced</a>(); ++iter)</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  {</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  point1 = *iter;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// Found strong influence from C point (c_point influences point1), check whether point is still undecided, otherwise skip</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (!point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a12ed0355e809815eb2fce54dee2074e1">is_undecided</a>()) <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">// Make this point F point if it is still undecided point</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  pointvector[level].<a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#af7208ac6a53f13745d30ddec5b9cba41">make_fpoint</a>(point1);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">// Add +1 to influence measure for all undecided points that strongly influence new F point</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__sparsevector__iterator.html">amg_point::iterator</a> iter2 = point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#aebcfcb7d631f34b9e59c09934a546a06">begin_influencing</a>(); iter2 != point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a154fd093ef1198ae73ae8f8f3cea9893">end_influencing</a>(); ++iter2)</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  {</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  point2 = *iter2;</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// Found strong influence to F point (point2 influences point1)</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">if</span> (point2-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a12ed0355e809815eb2fce54dee2074e1">is_undecided</a>())</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  pointvector[level].add_influence(point2,1);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="comment">// If a point is neither C nor F point but is nevertheless influenced by other points make it F point</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="comment">// (this situation can happen when this point does not influence other points and the points that influence this point became F points already)</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">/*#pragma omp parallel for private (i,point1)</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment"> for (long i=0; i<static_cast<long>(Pointvector[level].size()); ++i)</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> {</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"> point1 = pointvector[level][i];</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"> if (point1->is_undecided())</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> {</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"> // Undecided point found. Check whether it is influenced by other point and if so: Make it F point.</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> if (point1->number_influencing() > 0)</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> {</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> #pragma omp critical</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"> pointvector[level].make_fpoint(point1);</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> }</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> }</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> }*/</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="preprocessor"> #if defined (VIENNACL_AMG_DEBUG)// or defined (VIENNACL_AMG_DEBUGBENCH)</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> c_points = pointvector[level].get_cpoints();</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> f_points = pointvector[level].get_fpoints();</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  std::cout << <span class="stringliteral">"1st pass: Level "</span> << level << <span class="stringliteral">": "</span>;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  std::cout << <span class="stringliteral">"No of C points = "</span> << c_points << <span class="stringliteral">", "</span>;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  std::cout << <span class="stringliteral">"No of F points = "</span> << f_points << std::endl;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="preprocessor"> #ifdef VIENNACL_AMG_DEBUG</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  std::cout << <span class="stringliteral">"Coarse Points:"</span> << std::endl;</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  boost::numeric::ublas::vector<bool> C;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  pointvector[level].get_C(C);</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad0644454e165cf3966b300334edac36b">printvector</a>(C);</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  std::cout << <span class="stringliteral">"Fine Points:"</span> << std::endl;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  boost::numeric::ublas::vector<bool> F;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  pointvector[level].get_F(F);</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad0644454e165cf3966b300334edac36b">printvector</a>(F);</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> }</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="keyword">template</span><<span class="keyword">typename</span> InternalT1, <span class="keyword">typename</span> InternalT2></div>
<div class="line"><a name="l00240"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a67538223738ab40c9f4b39088612316a"> 240</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a67538223738ab40c9f4b39088612316a">amg_coarse_classic</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level, InternalT1 & A, InternalT2 & pointvector, <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag.html">amg_tag</a> & tag)</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> {</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> InternalT2::value_type PointVectorType;</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordtype">bool</span> add_C;</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html">amg_point</a> *c_point, *point1, *point2;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="comment">// Use one-pass-coarsening as first pass.</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad34541d8f3bb3f87ac2716ab5a95a420">amg_coarse_classic_onepass</a>(level, A, pointvector, tag);</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">// 2nd pass: Add more C points if F-F connection does not have a common C point.</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> PointVectorType::iterator iter = pointvector[level].begin(); iter != pointvector[level].end(); ++iter)</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  {</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  point1 = *iter;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">// If point is F point, check for strong connections.</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">if</span> (point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a41a489b84a2312c59086b71715b64cf5">is_fpoint</a>())</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  {</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="comment">// Check for strong connections from influencing and influenced points.</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__sparsevector__iterator.html">amg_point::iterator</a> iter2 = point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#aebcfcb7d631f34b9e59c09934a546a06">begin_influencing</a>();</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__sparsevector__iterator.html">amg_point::iterator</a> iter3 = point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a49cdf27c232f7633df57a63bacad53d6">begin_influenced</a>();</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">// Iterate over both lists at once. This makes sure that points are no checked twice when influence relation is symmetric (which is often the case).</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// Note: Only works because influencing and influenced lists are sorted by point-index.</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">while</span> (iter2 != point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a154fd093ef1198ae73ae8f8f3cea9893">end_influencing</a>() || iter3 != point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#abc43ea82d5d0674906576e843615365b">end_influenced</a>())</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  {</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">if</span> (iter2 == point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a154fd093ef1198ae73ae8f8f3cea9893">end_influencing</a>())</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  {</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  point2 = *iter3;</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  ++iter3;</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  }</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iter3 == point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#abc43ea82d5d0674906576e843615365b">end_influenced</a>())</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  {</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  point2 = *iter2;</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  ++iter2;</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  {</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">if</span> ((*iter2)->get_index() == (*iter3)->get_index())</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  {</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  point2 = *iter2;</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  ++iter2;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  ++iter3;</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  }</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((*iter2)->get_index() < (*iter3)->get_index())</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  {</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  point2 = *iter2;</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  ++iter2;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  {</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  point2 = *iter3;</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  ++iter3;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  }</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  }</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="comment">// Only check points with higher index as points with lower index have been checked already.</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">if</span> (point2-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a4a2203435b62bb2e6dec44aaf66404ce">get_index</a>() < point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a4a2203435b62bb2e6dec44aaf66404ce">get_index</a>())</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> </div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="comment">// If there is a strong connection then it has to either be a C point or a F point with common C point.</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// C point? Then skip as everything is ok.</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">if</span> (point2-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a6f653588e122b0b55659932e056467fb">is_cpoint</a>())</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="comment">// F point? Then check whether F points point1 and point2 have a common C point.</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">if</span> (point2-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a41a489b84a2312c59086b71715b64cf5">is_fpoint</a>())</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  {</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  add_C = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// C point is common for two F points if they are both strongly influenced by that C point.</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="comment">// Compare strong influences for point1 and point2.</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">for</span> (<a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__sparsevector__iterator.html">amg_point::iterator</a> iter4 = point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#aebcfcb7d631f34b9e59c09934a546a06">begin_influencing</a>(); iter4 != point1 -> end_influencing(); ++iter4)</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  {</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  c_point = *iter4;</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="comment">// Stop search when strong common influence is found via c_point.</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">if</span> (c_point-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a6f653588e122b0b55659932e056467fb">is_cpoint</a>())</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  {</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">if</span> (point2-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#ab65744219d3a0843e4f50761b86f462e">is_influencing</a>(c_point))</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  {</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  add_C = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  }</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">// No common C point found? Then make second F point to C point.</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">if</span> (add_C == <span class="keyword">true</span>)</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  pointvector[level].<a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#ab85c899f148613926b6b028ceb6e41dc">switch_ftoc</a>(point2);</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  }</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  }</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  }</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  }</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="preprocessor"> #ifdef VIENNACL_AMG_DEBUG</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  std::cout << <span class="stringliteral">"After 2nd pass:"</span> << std::endl;</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  std::cout << <span class="stringliteral">"Coarse Points:"</span> << std::endl;</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  boost::numeric::ublas::vector<bool> C;</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  pointvector[level].get_C(C);</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad0644454e165cf3966b300334edac36b">printvector</a>(C);</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  std::cout << <span class="stringliteral">"Fine Points:"</span> << std::endl;</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  boost::numeric::ublas::vector<bool> F;</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  pointvector[level].get_F(F);</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad0644454e165cf3966b300334edac36b">printvector</a>(F);</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="preprocessor"> #ifdef VIENNACL_AMG_DEBUG</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="preprocessor"> #ifdef VIENNACL_WITH_OPENMP</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="preprocessor"> #pragma omp critical</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  {</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  std::cout << <span class="stringliteral">"No C and no F point: "</span>;</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> PointVectorType::iterator iter = pointvector[level].begin(); iter != pointvector[level].end(); ++iter)</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">if</span> ((*iter)->is_undecided())</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  std::cout << (*iter)->get_index() << <span class="stringliteral">" "</span>;</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  std::cout << std::endl;</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  }</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> }</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="keyword">template</span><<span class="keyword">typename</span> InternalT1, <span class="keyword">typename</span> InternalT2, <span class="keyword">typename</span> InternalT3></div>
<div class="line"><a name="l00363"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a6c04af56b32000a402d2a609ace5f91f"> 363</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a6c04af56b32000a402d2a609ace5f91f">amg_coarse_rs0</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level, InternalT1 & A, InternalT2 & pointvector, InternalT3 & slicing, <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag.html">amg_tag</a> & tag)</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> {</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> total_points;</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> </div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="comment">// Slice matrix into parts such that points are distributed among threads</span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  slicing.slice(level, A, pointvector);</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="comment">// Run classical coarsening in parallel</span></div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  total_points = 0;</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="preprocessor"> #ifdef VIENNACL_WITH_OPENMP</span></div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="preprocessor"> #pragma omp parallel for</span></div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">for</span> (<span class="keywordtype">long</span> i2=0; i2<static_cast<long>(slicing.threads_); ++i2)</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  {</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  std::size_t i = <span class="keyword">static_cast<</span>std::size_t<span class="keyword">></span>(i2);</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a67538223738ab40c9f4b39088612316a">amg_coarse_classic</a>(level, slicing.A_slice_[i], slicing.pointvector_slice_[i],tag);</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> </div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="comment">// Save C points (using Slicing.Offset on the next level as temporary memory)</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="comment">// Note: Number of C points for point i is saved in i+1!! (makes it easier later to compute offset)</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  slicing.offset_[i+1][level+1] = slicing.pointvector_slice_[i][level].get_cpoints();</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="preprocessor"> #ifdef VIENNACL_WITH_OPENMP</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="preprocessor"> #pragma omp critical</span></div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  total_points += slicing.pointvector_slice_[i][level].get_cpoints();</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  }</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> </div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="comment">// If no coarser level can be found on any level then resume and coarsening will stop in amg_coarse()</span></div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">if</span> (total_points != 0)</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  {</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="preprocessor"> #ifdef VIENNACL_WITH_OPENMP</span></div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="preprocessor"> #pragma omp parallel for</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">for</span> (<span class="keywordtype">long</span> i2=0; i2<static_cast<long>(slicing.threads_); ++i2)</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  {</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  std::size_t i = <span class="keyword">static_cast<</span>std::size_t<span class="keyword">></span>(i2);</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="comment">// If no higher coarse level can be found on slice i (saved in Slicing.Offset[i+1][level+1]) then pull C point(s) to the next level</span></div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordflow">if</span> (slicing.offset_[i+1][level+1] == 0)</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  {</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="comment">// All points become C points</span></div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j=0; j<slicing.A_slice_[i][level].size1(); ++j)</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  slicing.pointvector_slice_[i][level].make_cpoint(slicing.pointvector_slice_[i][level][j]);</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  slicing.offset_[i+1][level+1] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(slicing.A_slice_[i][level].size1());</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  }</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  }</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> </div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="comment">// Build slicing offset from number of C points (offset = total sum of C points on threads with lower number)</span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i2=2; i2<=slicing.threads_; ++i2)</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  {</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  std::size_t i = <span class="keyword">static_cast<</span>std::size_t<span class="keyword">></span>(i2);</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  slicing.offset_[i][level+1] += slicing.offset_[i-1][level+1];</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  }</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> </div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="comment">// Join C and F points</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  slicing.join(level, pointvector);</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  }</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> </div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="comment">// Calculate global influence measures for interpolation and/or RS3.</span></div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ac1c8234b37f50bc93351f01bc4a56cf8">amg_influence</a>(level, A, pointvector, tag);</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> </div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="preprocessor"> #if defined(VIENNACL_AMG_DEBUG)// or defined (VIENNACL_AMG_DEBUGBENCH)</span></div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<slicing._threads; ++i)</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  {</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> c_points = slicing.pointvector_slice_[i][level].get_cpoints();</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> f_points = slicing.pointvector_slice_[i][level].get_fpoints();</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  std::cout << <span class="stringliteral">"Thread "</span> << i << <span class="stringliteral">": "</span>;</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  std::cout << <span class="stringliteral">"No of C points = "</span> << c_points << <span class="stringliteral">", "</span>;</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  std::cout << <span class="stringliteral">"No of F points = "</span> << f_points << std::endl;</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> }</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> </div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="keyword">template</span><<span class="keyword">typename</span> InternalT1, <span class="keyword">typename</span> InternalT2, <span class="keyword">typename</span> InternalT3></div>
<div class="line"><a name="l00443"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a11b1312ad430a46089643a016b3130fd"> 443</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a11b1312ad430a46089643a016b3130fd">amg_coarse_rs3</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level, InternalT1 & A, InternalT2 & pointvector, InternalT3 & slicing, <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag.html">amg_tag</a> & tag)</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> {</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html">amg_point</a> *c_point, *point1, *point2;</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordtype">bool</span> add_C;</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i, j;</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> </div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="comment">// Run RS0 first (parallel).</span></div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a6c04af56b32000a402d2a609ace5f91f">amg_coarse_rs0</a>(level, A, pointvector, slicing, tag);</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> </div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="comment">// Save slicing offset</span></div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  boost::numeric::ublas::vector<unsigned int> offset = boost::numeric::ublas::vector<unsigned int> (slicing.offset_.size());</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordflow">for</span> (i=0; i<slicing.offset_.size(); ++i)</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  offset[i] = slicing.offset_[i][level];</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> </div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="comment">// Correct the coarsening with a third pass: Don't allow strong F-F connections without common C point</span></div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  for (i=0; i<slicing.threads_; ++i)</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  {</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="comment">//for (j=Slicing.Offset[i][level]; j<Slicing.Offset[i+1][level]; ++j)</span></div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">for</span> (j=offset[i]; j<offset[i+1]; ++j)</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  {</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  point1 = pointvector[level][j];</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="comment">// If point is F point, check for strong connections.</span></div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordflow">if</span> (point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a41a489b84a2312c59086b71715b64cf5">is_fpoint</a>())</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  {</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="comment">// Check for strong connections from influencing and influenced points.</span></div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__sparsevector__iterator.html">amg_point::iterator</a> iter2 = point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#aebcfcb7d631f34b9e59c09934a546a06">begin_influencing</a>();</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__sparsevector__iterator.html">amg_point::iterator</a> iter3 = point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a49cdf27c232f7633df57a63bacad53d6">begin_influenced</a>();</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span> </div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="comment">// Iterate over both lists at once. This makes sure that points are no checked twice when influence relation is symmetric (which is often the case).</span></div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="comment">// Note: Only works because influencing and influenced lists are sorted by point-index.</span></div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordflow">while</span> (iter2 != point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a154fd093ef1198ae73ae8f8f3cea9893">end_influencing</a>() || iter3 != point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#abc43ea82d5d0674906576e843615365b">end_influenced</a>())</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  {</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">if</span> (iter2 == point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a154fd093ef1198ae73ae8f8f3cea9893">end_influencing</a>())</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  {</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  point2 = *iter3;</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  ++iter3;</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  }</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iter3 == point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#abc43ea82d5d0674906576e843615365b">end_influenced</a>())</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  {</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  point2 = *iter2;</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  ++iter2;</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  }</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  {</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">if</span> ((*iter2)->get_index() == (*iter3)->get_index())</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  {</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  point2 = *iter2;</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  ++iter2;</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  ++iter3;</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  }</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((*iter2)->get_index() < (*iter3)->get_index())</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  {</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  point2 = *iter2;</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  ++iter2;</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  }</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  {</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  point2 = *iter3;</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  ++iter3;</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  }</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  }</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> </div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="comment">// Only check points with higher index as points with lower index have been checked already.</span></div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">if</span> (point2-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a4a2203435b62bb2e6dec44aaf66404ce">get_index</a>() < point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a4a2203435b62bb2e6dec44aaf66404ce">get_index</a>())</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span> </div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="comment">// Only check points that are outside the slicing boundaries (interior F-F connections have already been checked in second pass)</span></div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="comment">//if (point2->get_index() >= Slicing.Offset[i][level] || point2->get_index() < Slicing.Offset[i+1][level])</span></div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keywordflow">if</span> (point2-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a4a2203435b62bb2e6dec44aaf66404ce">get_index</a>() >= offset[i] && point2-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a4a2203435b62bb2e6dec44aaf66404ce">get_index</a>() < offset[i+1])</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> </div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="comment">// If there is a strong connection then it has to either be a C point or a F point with common C point.</span></div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="comment">// C point? Then skip as everything is ok.</span></div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keywordflow">if</span> (point2-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a6f653588e122b0b55659932e056467fb">is_cpoint</a>())</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="comment">// F point? Then check whether F points point1 and point2 have a common C point.</span></div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keywordflow">if</span> (point2-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a41a489b84a2312c59086b71715b64cf5">is_fpoint</a>())</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  {</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  add_C = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="comment">// C point is common for two F points if they are both strongly influenced by that C point.</span></div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="comment">// Compare strong influences for point1 and point2.</span></div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">for</span> (<a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__sparsevector__iterator.html">amg_point::iterator</a> iter4 = point1-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#aebcfcb7d631f34b9e59c09934a546a06">begin_influencing</a>(); iter4 != point1 -> end_influencing(); ++iter4)</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  {</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  c_point = *iter4;</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="comment">// Stop search when strong common influence is found via c_point.</span></div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keywordflow">if</span> (c_point-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a6f653588e122b0b55659932e056467fb">is_cpoint</a>())</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  {</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keywordflow">if</span> (point2-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#ab65744219d3a0843e4f50761b86f462e">is_influencing</a>(c_point))</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  {</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  add_C = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  }</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  }</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  }</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="comment">// No common C point found? Then make second F point to C point.</span></div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">if</span> (add_C == <span class="keyword">true</span>)</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  {</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  pointvector[level].<a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#ab85c899f148613926b6b028ceb6e41dc">switch_ftoc</a>(point2);</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="comment">// Add +1 to offsets as one C point has been added.</span></div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k=i+1; k<=slicing.threads_; ++k)</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  slicing.offset_[k][level+1]++;</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  }</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  }</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  }</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  }</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  }</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  }</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span> </div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="preprocessor"> #ifdef VIENNACL_AMG_DEBUG</span></div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  std::cout << <span class="stringliteral">"After 3rd pass:"</span> << std::endl;</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  std::cout << <span class="stringliteral">"Coarse Points:"</span> << std::endl;</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  boost::numeric::ublas::vector<bool> C;</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  pointvector[level].get_C(C);</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad0644454e165cf3966b300334edac36b">printvector</a> (C);</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  std::cout << <span class="stringliteral">"Fine Points:"</span> << std::endl;</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  boost::numeric::ublas::vector<bool> F;</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  pointvector[level].get_F(F);</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad0644454e165cf3966b300334edac36b">printvector</a> (F);</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> }</div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> </div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> <span class="keyword">template</span><<span class="keyword">typename</span> InternalT1, <span class="keyword">typename</span> InternalT2></div>
<div class="line"><a name="l00572"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a93673df74eb56bb82b03d7773df489f6"> 572</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a93673df74eb56bb82b03d7773df489f6">amg_coarse_ag</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level, InternalT1 & A, InternalT2 & pointvector, <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag.html">amg_tag</a> & tag)</div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> {</div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> InternalT1::value_type SparseMatrixType;</div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> InternalT2::value_type PointVectorType;</div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> SparseMatrixType::value_type <a class="code" href="fft__1d_8cpp.html#ad5c19ca4f47d3f8ec21232a5af2624e5">ScalarType</a>;</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> </div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> SparseMatrixType::iterator1 InternalRowIterator;</div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> SparseMatrixType::iterator2 InternalColIterator;</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> </div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html">amg_point</a> *pointx, *pointy;</div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> </div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="comment">// Cannot determine aggregates if size == 1 as then a new aggregate would always consist of this point (infinite loop)</span></div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <span class="keywordflow">if</span> (A[level].<a class="code" href="namespaceviennacl_1_1traits.html#aa756f5d6820722094cae0d8b9bb6d5e2">size1</a>() == 1)</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> </div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="comment">// SA algorithm (Vanek et al. p.6)</span></div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="comment">// Build neighborhoods</span></div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENMP</span></div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> <span class="preprocessor"> #pragma omp parallel for</span></div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="keywordflow">for</span> (<span class="keywordtype">long</span> x=0; x<static_cast<long>(A[level].size1()); ++x)</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  {</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  InternalRowIterator row_iter = A[level].begin1();</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  row_iter += std::size_t(x);</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  ScalarType <a class="code" href="namespaceviennacl.html#a507d2ac469c79997f2bb6e82b37b7483">diag</a> = A[level](<span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(x),static_cast<unsigned int>(x));</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keywordflow">for</span> (InternalColIterator col_iter = row_iter.begin(); col_iter != row_iter.end(); ++col_iter)</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  {</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="keywordtype">long</span> y = <span class="keyword">static_cast<</span><span class="keywordtype">long</span><span class="keyword">></span>(col_iter.index2());</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keywordflow">if</span> (y == x || (std::fabs(*col_iter) >= tag.<a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag.html#a9d8abc1b90ac48b43cc4005095528361">get_threshold</a>()*pow(0.5, static_cast<double>(level-1)) * std::sqrt(std::fabs(diag*A[level](static_cast<unsigned int>(y),static_cast<unsigned int>(y))))))</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  {</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="comment">// Neighborhood x includes point y</span></div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  pointvector[level][<span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(x)]->add_influencing_point(pointvector[level][static_cast<unsigned int>(y)]);</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  }</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  }</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  }</div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span> </div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> <span class="preprocessor"> #ifdef VIENNACL_AMG_DEBUG</span></div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  std::cout << <span class="stringliteral">"Neighborhoods:"</span> << std::endl;</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  boost::numeric::ublas::matrix<bool> mat;</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  pointvector[level].get_influence_matrix(mat);</div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a640494c9b7567259cf495578a470afa4">printmatrix</a>(mat);</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> </div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="comment">// Build aggregates from neighborhoods</span></div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> PointVectorType::iterator iter = pointvector[level].begin(); iter != pointvector[level].end(); ++iter)</div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  {</div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  pointx = (*iter);</div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span> </div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="keywordflow">if</span> (pointx-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a12ed0355e809815eb2fce54dee2074e1">is_undecided</a>())</div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  {</div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="comment">// Make center of aggregate to C point and include it to aggregate x.</span></div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  pointvector[level].<a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a86cdbbf437b9c9ea11c7725aa3876683">make_cpoint</a>(pointx);</div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  pointx-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#accdf9b34dbaf074bd34b903ee72e700b">set_aggregate</a> (pointx-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a4a2203435b62bb2e6dec44aaf66404ce">get_index</a>());</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="keywordflow">for</span> (<a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__sparsevector__iterator.html">amg_point::iterator</a> iter2 = pointx-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#aebcfcb7d631f34b9e59c09934a546a06">begin_influencing</a>(); iter2 != pointx-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a154fd093ef1198ae73ae8f8f3cea9893">end_influencing</a>(); ++iter2)</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  {</div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  pointy = (*iter2);</div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span> </div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keywordflow">if</span> (pointy-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a12ed0355e809815eb2fce54dee2074e1">is_undecided</a>())</div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  {</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  <span class="comment">// Make neighbor y to F point and include it to aggregate x.</span></div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  pointvector[level].<a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#af7208ac6a53f13745d30ddec5b9cba41">make_fpoint</a>(pointy);</div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  pointy-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#accdf9b34dbaf074bd34b903ee72e700b">set_aggregate</a>(pointx-><a class="code" href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a4a2203435b62bb2e6dec44aaf66404ce">get_index</a>());</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  }</div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  }</div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  }</div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  }</div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span> </div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span> <span class="preprocessor"> #ifdef VIENNACL_AMG_DEBUG</span></div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  std::cout << <span class="stringliteral">"After aggregation:"</span> << std::endl;</div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  std::cout << <span class="stringliteral">"Coarse Points:"</span> << std::endl;</div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  boost::numeric::ublas::vector<bool> C;</div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  pointvector[level].get_C(C);</div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad0644454e165cf3966b300334edac36b">printvector</a>(C);</div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  std::cout << <span class="stringliteral">"Fine Points:"</span> << std::endl;</div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  boost::numeric::ublas::vector<bool> F;</div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  pointvector[level].get_F(F);</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad0644454e165cf3966b300334edac36b">printvector</a>(F);</div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  std::cout << <span class="stringliteral">"Aggregates:"</span> << std::endl;</div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad0644454e165cf3966b300334edac36b">printvector</a>(Aggregates[level]);</div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span> }</div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span> </div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span> } <span class="comment">//namespace amg</span></div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span> } <span class="comment">//namespace detail</span></div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span> } <span class="comment">//namespace linalg</span></div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span> } <span class="comment">//namespace viennacl</span></div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span> </div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1detail_1_1amg_html_a11b1312ad430a46089643a016b3130fd"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a11b1312ad430a46089643a016b3130fd">viennacl::linalg::detail::amg::amg_coarse_rs3</a></div><div class="ttdeci">void amg_coarse_rs3(unsigned int level, InternalT1 &A, InternalT2 &pointvector, InternalT3 &slicing, amg_tag &tag)</div><div class="ttdoc">RS3 coarsening. Single-Threaded! (VIENNACL_AMG_COARSE_RS3) </div><div class="ttdef"><b>Definition:</b> <a href="amg__coarse_8hpp_source.html#l00443">amg_coarse.hpp:443</a></div></div>
<div class="ttc" id="amg__debug_8hpp_html"><div class="ttname"><a href="amg__debug_8hpp.html">amg_debug.hpp</a></div><div class="ttdoc">Debug functionality for AMG. To be removed. </div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html_accdf9b34dbaf074bd34b903ee72e700b"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#accdf9b34dbaf074bd34b903ee72e700b">viennacl::linalg::detail::amg::amg_point::set_aggregate</a></div><div class="ttdeci">void set_aggregate(unsigned int aggregate)</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00866">amg_base.hpp:866</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag_html_a9d8abc1b90ac48b43cc4005095528361"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag.html#a9d8abc1b90ac48b43cc4005095528361">viennacl::linalg::detail::amg::amg_tag::get_threshold</a></div><div class="ttdeci">double get_threshold() const </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00096">amg_base.hpp:96</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1detail_1_1amg_html_a67538223738ab40c9f4b39088612316a"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a67538223738ab40c9f4b39088612316a">viennacl::linalg::detail::amg::amg_coarse_classic</a></div><div class="ttdeci">void amg_coarse_classic(unsigned int level, InternalT1 &A, InternalT2 &pointvector, amg_tag &tag)</div><div class="ttdoc">Classical (RS) two-pass coarsening. Single-Threaded! (VIENNACL_AMG_COARSE_CLASSIC) ...</div><div class="ttdef"><b>Definition:</b> <a href="amg__coarse_8hpp_source.html#l00240">amg_coarse.hpp:240</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html">viennacl::linalg::detail::amg::amg_point</a></div><div class="ttdoc">A class for the AMG points. Saves point index and influence measure Holds information whether point i...</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00827">amg_base.hpp:827</a></div></div>
<div class="ttc" id="amg__base_8hpp_html_a90fe5b950aed138b5206d8435598ce65"><div class="ttname"><a href="amg__base_8hpp.html#a90fe5b950aed138b5206d8435598ce65">VIENNACL_AMG_COARSE_RS</a></div><div class="ttdeci">#define VIENNACL_AMG_COARSE_RS</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00041">amg_base.hpp:41</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html_a6f653588e122b0b55659932e056467fb"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a6f653588e122b0b55659932e056467fb">viennacl::linalg::detail::amg::amg_point::is_cpoint</a></div><div class="ttdeci">bool is_cpoint() const </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00869">amg_base.hpp:869</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1traits_html_aa756f5d6820722094cae0d8b9bb6d5e2"><div class="ttname"><a href="namespaceviennacl_1_1traits.html#aa756f5d6820722094cae0d8b9bb6d5e2">viennacl::traits::size1</a></div><div class="ttdeci">vcl_size_t size1(MatrixType const &mat)</div><div class="ttdoc">Generic routine for obtaining the number of rows of a matrix (ViennaCL, uBLAS, etc.) </div><div class="ttdef"><b>Definition:</b> <a href="size_8hpp_source.html#l00216">size.hpp:216</a></div></div>
<div class="ttc" id="amg__base_8hpp_html_a7e50599d5719af8a79cbc325ac1716e0"><div class="ttname"><a href="amg__base_8hpp.html#a7e50599d5719af8a79cbc325ac1716e0">VIENNACL_AMG_COARSE_RS3</a></div><div class="ttdeci">#define VIENNACL_AMG_COARSE_RS3</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00044">amg_base.hpp:44</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html_ab85c899f148613926b6b028ceb6e41dc"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#ab85c899f148613926b6b028ceb6e41dc">viennacl::linalg::detail::amg::amg_point::switch_ftoc</a></div><div class="ttdeci">void switch_ftoc()</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00915">amg_base.hpp:915</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html_a86cdbbf437b9c9ea11c7725aa3876683"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a86cdbbf437b9c9ea11c7725aa3876683">viennacl::linalg::detail::amg::amg_point::make_cpoint</a></div><div class="ttdeci">void make_cpoint()</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00901">amg_base.hpp:901</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1detail_1_1amg_html_ad34541d8f3bb3f87ac2716ab5a95a420"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad34541d8f3bb3f87ac2716ab5a95a420">viennacl::linalg::detail::amg::amg_coarse_classic_onepass</a></div><div class="ttdeci">void amg_coarse_classic_onepass(unsigned int level, InternalT1 &A, InternalT2 &pointvector, amg_tag &tag)</div><div class="ttdoc">Classical (RS) one-pass coarsening. Single-Threaded! (VIENNACL_AMG_COARSE_CLASSIC_ONEPASS) ...</div><div class="ttdef"><b>Definition:</b> <a href="amg__coarse_8hpp_source.html#l00153">amg_coarse.hpp:153</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html_a41a489b84a2312c59086b71715b64cf5"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a41a489b84a2312c59086b71715b64cf5">viennacl::linalg::detail::amg::amg_point::is_fpoint</a></div><div class="ttdeci">bool is_fpoint() const </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00870">amg_base.hpp:870</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1detail_html_a5d46fe9558b0e462f10fd44942ad4fc6"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1detail.html#a5d46fe9558b0e462f10fd44942ad4fc6">viennacl::linalg::detail::max</a></div><div class="ttdeci">T max(const T &lhs, const T &rhs)</div><div class="ttdoc">Maximum. </div><div class="ttdef"><b>Definition:</b> <a href="linalg_2detail_2bisect_2util_8hpp_source.html#l00059">util.hpp:59</a></div></div>
<div class="ttc" id="amg__base_8hpp_html_aa18626553487873cb4112892551e4ccb"><div class="ttname"><a href="amg__base_8hpp.html#aa18626553487873cb4112892551e4ccb">VIENNACL_AMG_COARSE_RS0</a></div><div class="ttdeci">#define VIENNACL_AMG_COARSE_RS0</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00043">amg_base.hpp:43</a></div></div>
<div class="ttc" id="amg__base_8hpp_html_a539c69875e7eaeed3c6443c4cca47b7f"><div class="ttname"><a href="amg__base_8hpp.html#a539c69875e7eaeed3c6443c4cca47b7f">VIENNACL_AMG_COARSE_AG</a></div><div class="ttdeci">#define VIENNACL_AMG_COARSE_AG</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00045">amg_base.hpp:45</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html_a49cdf27c232f7633df57a63bacad53d6"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a49cdf27c232f7633df57a63bacad53d6">viennacl::linalg::detail::amg::amg_point::begin_influenced</a></div><div class="ttdeci">iterator begin_influenced()</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00922">amg_base.hpp:922</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html_ab65744219d3a0843e4f50761b86f462e"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#ab65744219d3a0843e4f50761b86f462e">viennacl::linalg::detail::amg::amg_point::is_influencing</a></div><div class="ttdeci">bool is_influencing(amg_point *point) const </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00876">amg_base.hpp:876</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag_html"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag.html">viennacl::linalg::detail::amg::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#l00061">amg_base.hpp:61</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html_aebcfcb7d631f34b9e59c09934a546a06"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#aebcfcb7d631f34b9e59c09934a546a06">viennacl::linalg::detail::amg::amg_point::begin_influencing</a></div><div class="ttdeci">iterator begin_influencing()</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00918">amg_base.hpp:918</a></div></div>
<div class="ttc" id="namespaceviennacl_html_a507d2ac469c79997f2bb6e82b37b7483"><div class="ttname"><a href="namespaceviennacl.html#a507d2ac469c79997f2bb6e82b37b7483">viennacl::diag</a></div><div class="ttdeci">vector_expression< const matrix_base< NumericT >, const int, op_matrix_diag > diag(const matrix_base< NumericT > &A, int k=0)</div><div class="ttdef"><b>Definition:</b> <a href="matrix_8hpp_source.html#l00838">matrix.hpp:838</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1detail_1_1amg_html_ad0644454e165cf3966b300334edac36b"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ad0644454e165cf3966b300334edac36b">viennacl::linalg::detail::amg::printvector</a></div><div class="ttdeci">void printvector(VectorT const &)</div><div class="ttdef"><b>Definition:</b> <a href="amg__debug_8hpp_source.html#l00080">amg_debug.hpp:80</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html_a12ed0355e809815eb2fce54dee2074e1"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a12ed0355e809815eb2fce54dee2074e1">viennacl::linalg::detail::amg::amg_point::is_undecided</a></div><div class="ttdeci">bool is_undecided() const </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00871">amg_base.hpp:871</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1detail_1_1amg_html_ab7386391afbc0aa06a994fc2f5e8bb7e"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ab7386391afbc0aa06a994fc2f5e8bb7e">viennacl::linalg::detail::amg::amg_coarse</a></div><div class="ttdeci">void amg_coarse(unsigned int level, InternalT1 &A, InternalT2 &pointvector, InternalT3 &slicing, amg_tag &tag)</div><div class="ttdoc">Calls the right coarsening procedure. </div><div class="ttdef"><b>Definition:</b> <a href="amg__coarse_8hpp_source.html#l00052">amg_coarse.hpp:52</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag_html_a6f6d6db8fe0a636855c121da58d06c4f"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__tag.html#a6f6d6db8fe0a636855c121da58d06c4f">viennacl::linalg::detail::amg::amg_tag::get_coarse</a></div><div class="ttdeci">unsigned int get_coarse() const </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00090">amg_base.hpp:90</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1detail_1_1amg_html_a93673df74eb56bb82b03d7773df489f6"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a93673df74eb56bb82b03d7773df489f6">viennacl::linalg::detail::amg::amg_coarse_ag</a></div><div class="ttdeci">void amg_coarse_ag(unsigned int level, InternalT1 &A, InternalT2 &pointvector, amg_tag &tag)</div><div class="ttdoc">AG (aggregation based) coarsening. Single-Threaded! (VIENNACL_AMG_COARSE_SA) </div><div class="ttdef"><b>Definition:</b> <a href="amg__coarse_8hpp_source.html#l00572">amg_coarse.hpp:572</a></div></div>
<div class="ttc" id="amg__base_8hpp_html_a7c1f879fb7a41a75883bc85c144edb9b"><div class="ttname"><a href="amg__base_8hpp.html#a7c1f879fb7a41a75883bc85c144edb9b">VIENNACL_AMG_COARSE_ONEPASS</a></div><div class="ttdeci">#define VIENNACL_AMG_COARSE_ONEPASS</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00042">amg_base.hpp:42</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1detail_1_1amg_html_a6c04af56b32000a402d2a609ace5f91f"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a6c04af56b32000a402d2a609ace5f91f">viennacl::linalg::detail::amg::amg_coarse_rs0</a></div><div class="ttdeci">void amg_coarse_rs0(unsigned int level, InternalT1 &A, InternalT2 &pointvector, InternalT3 &slicing, amg_tag &tag)</div><div class="ttdoc">Parallel classical RS0 coarsening. Multi-Threaded! (VIENNACL_AMG_COARSE_RS0 || VIENNACL_AMG_COARSE_RS...</div><div class="ttdef"><b>Definition:</b> <a href="amg__coarse_8hpp_source.html#l00363">amg_coarse.hpp:363</a></div></div>
<div class="ttc" id="fft__1d_8cpp_html_ad5c19ca4f47d3f8ec21232a5af2624e5"><div class="ttname"><a href="fft__1d_8cpp.html#ad5c19ca4f47d3f8ec21232a5af2624e5">ScalarType</a></div><div class="ttdeci">float ScalarType</div><div class="ttdef"><b>Definition:</b> <a href="fft__1d_8cpp_source.html#l00042">fft_1d.cpp:42</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__sparsevector__iterator_html"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__sparsevector__iterator.html">viennacl::linalg::detail::amg::amg_sparsevector_iterator</a></div><div class="ttdoc">Defines an iterator for the sparse vector type. </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00209">amg_base.hpp:209</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html_abc43ea82d5d0674906576e843615365b"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#abc43ea82d5d0674906576e843615365b">viennacl::linalg::detail::amg::amg_point::end_influenced</a></div><div class="ttdeci">iterator end_influenced()</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00923">amg_base.hpp:923</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html_a4a2203435b62bb2e6dec44aaf66404ce"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a4a2203435b62bb2e6dec44aaf66404ce">viennacl::linalg::detail::amg::amg_point::get_index</a></div><div class="ttdeci">unsigned int get_index() const </div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00864">amg_base.hpp:864</a></div></div>
<div class="ttc" id="amg__base_8hpp_html"><div class="ttname"><a href="amg__base_8hpp.html">amg_base.hpp</a></div><div class="ttdoc">Helper classes and functions for the AMG preconditioner. Experimental. </div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html_a154fd093ef1198ae73ae8f8f3cea9893"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#a154fd093ef1198ae73ae8f8f3cea9893">viennacl::linalg::detail::amg::amg_point::end_influencing</a></div><div class="ttdeci">iterator end_influencing()</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00919">amg_base.hpp:919</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1detail_1_1amg_html_a640494c9b7567259cf495578a470afa4"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#a640494c9b7567259cf495578a470afa4">viennacl::linalg::detail::amg::printmatrix</a></div><div class="ttdeci">void printmatrix(MatrixT &, int)</div><div class="ttdef"><b>Definition:</b> <a href="amg__debug_8hpp_source.html#l00077">amg_debug.hpp:77</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point_html_af7208ac6a53f13745d30ddec5b9cba41"><div class="ttname"><a href="classviennacl_1_1linalg_1_1detail_1_1amg_1_1amg__point.html#af7208ac6a53f13745d30ddec5b9cba41">viennacl::linalg::detail::amg::amg_point::make_fpoint</a></div><div class="ttdeci">void make_fpoint()</div><div class="ttdef"><b>Definition:</b> <a href="amg__base_8hpp_source.html#l00908">amg_base.hpp:908</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1detail_1_1amg_html_ac1c8234b37f50bc93351f01bc4a56cf8"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1detail_1_1amg.html#ac1c8234b37f50bc93351f01bc4a56cf8">viennacl::linalg::detail::amg::amg_influence</a></div><div class="ttdeci">void amg_influence(unsigned int level, InternalT1 const &A, InternalT2 &pointvector, amg_tag &tag)</div><div class="ttdoc">Determines strong influences in system matrix, classical approach (RS). Multithreaded! ...</div><div class="ttdef"><b>Definition:</b> <a href="amg__coarse_8hpp_source.html#l00071">amg_coarse.hpp:71</a></div></div>
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