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<div class="title">SparseLU_panel_bmod.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// This file is part of Eigen, a lightweight C++ template library</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// for linear algebra.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Copyright (C) 2012 Désiré Nuentsa-Wakam <desire.nuentsa_wakam@inria.fr></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// Copyright (C) 2012 Gael Guennebaud <gael.guennebaud@inria.fr></span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// This Source Code Form is subject to the terms of the Mozilla</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Public License v. 2.0. If a copy of the MPL was not distributed</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">/* </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"> * NOTE: This file is the modified version of [s,d,c,z]panel_bmod.c file in SuperLU </span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> </span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * -- SuperLU routine (version 3.0) --</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Univ. of California Berkeley, Xerox Palo Alto Research Center,</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * and Lawrence Berkeley National Lab.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * October 15, 2003</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> <span class="comment"> * Copyright (c) 1994 by Xerox Corporation. All rights reserved.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * EXPRESSED OR IMPLIED. ANY USE IS AT YOUR OWN RISK.</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * Permission is hereby granted to use or copy this program for any</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * purpose, provided the above notices are retained on all copies.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * Permission to modify the code and to distribute modified code is</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * granted, provided the above notices are retained, and a notice that</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * the code was modified is included with the above copyright notice.</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#ifndef SPARSELU_PANEL_BMOD_H</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span><span class="preprocessor">#define SPARSELU_PANEL_BMOD_H</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span>Eigen {</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Scalar, <span class="keyword">typename</span> Index></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keywordtype">void</span> SparseLUImpl<Scalar,Index>::panel_bmod(<span class="keyword">const</span> Index m, <span class="keyword">const</span> Index w, <span class="keyword">const</span> Index jcol, </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">const</span> Index nseg, ScalarVector& dense, ScalarVector& tempv,</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  IndexVector& segrep, IndexVector& repfnz, GlobalLU_t& glu)</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  Index ksub,jj,nextl_col; </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  Index fsupc, nsupc, nsupr, nrow; </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  Index krep, kfnz; </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  Index lptr; <span class="comment">// points to the row subscripts of a supernode </span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  Index luptr; <span class="comment">// ...</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  Index segsize,no_zeros ; </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// For each nonz supernode segment of U[*,j] in topological order</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  Index k = nseg - 1; </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">const</span> Index PacketSize = internal::packet_traits<Scalar>::size;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">for</span> (ksub = 0; ksub < nseg; ksub++)</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  { <span class="comment">// For each updating supernode</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">/* krep = representative of current k-th supernode</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> * fsupc = first supernodal column</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> * nsupc = number of columns in a supernode</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> * nsupr = number of rows in a supernode</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  krep = segrep(k); k--; </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  fsupc = glu.xsup(glu.supno(krep)); </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  nsupc = krep - fsupc + 1; </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  nsupr = glu.xlsub(fsupc+1) - glu.xlsub(fsupc); </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  nrow = nsupr - nsupc; </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  lptr = glu.xlsub(fsupc); </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// loop over the panel columns to detect the actual number of columns and rows</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  Index u_rows = 0;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  Index u_cols = 0;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">for</span> (jj = jcol; jj < jcol + w; jj++)</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  nextl_col = (jj-jcol) * m; </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  VectorBlock<IndexVector> repfnz_col(repfnz, nextl_col, m); <span class="comment">// First nonzero column index for each row</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  kfnz = repfnz_col(krep); </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> ( kfnz == emptyIdxLU ) </div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">continue</span>; <span class="comment">// skip any zero segment</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  segsize = krep - kfnz + 1;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  u_cols++;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  u_rows = (std::max)(segsize,u_rows);</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>  </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span>(nsupc >= 2)</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  { </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  Index ldu = internal::first_multiple<Index>(u_rows, PacketSize);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  Map<Matrix<Scalar,Dynamic,Dynamic>, <a class="code" href="group__enums.html#gga456ac33d49271d3e2c371351cd1d6371ad5380ca00f3d74b38593adf8a0d06d3e">Aligned</a>, OuterStride<> > U(tempv.data(), u_rows, u_cols, OuterStride<>(ldu));</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// gather U</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  Index u_col = 0;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">for</span> (jj = jcol; jj < jcol + w; jj++)</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  {</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  nextl_col = (jj-jcol) * m; </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  VectorBlock<IndexVector> repfnz_col(repfnz, nextl_col, m); <span class="comment">// First nonzero column index for each row</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  VectorBlock<ScalarVector> dense_col(dense, nextl_col, m); <span class="comment">// Scatter/gather entire matrix column from/to here</span></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>  kfnz = repfnz_col(krep); </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> ( kfnz == emptyIdxLU ) </div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">continue</span>; <span class="comment">// skip any zero segment</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>  segsize = krep - kfnz + 1;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  luptr = glu.xlusup(fsupc); </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  no_zeros = kfnz - fsupc; </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  Index isub = lptr + no_zeros;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  Index off = u_rows-segsize;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">for</span> (Index i = 0; i < off; i++) U(i,u_col) = 0;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">for</span> (Index i = 0; i < segsize; i++)</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>  Index irow = glu.lsub(isub); </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  U(i+off,u_col) = dense_col(irow); </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  ++isub; </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  u_col++;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// solve U = A^-1 U</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  luptr = glu.xlusup(fsupc);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  Index lda = glu.xlusup(fsupc+1) - glu.xlusup(fsupc);</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  no_zeros = (krep - u_rows + 1) - fsupc;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  luptr += lda * no_zeros + no_zeros;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  Map<Matrix<Scalar,Dynamic,Dynamic>, 0, OuterStride<> > A(glu.lusup.data()+luptr, u_rows, u_rows, OuterStride<>(lda) );</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  U = A.template triangularView<UnitLower>().solve(U);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  </div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// update</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  luptr += u_rows;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  Map<Matrix<Scalar,Dynamic,Dynamic>, 0, OuterStride<> > B(glu.lusup.data()+luptr, nrow, u_rows, OuterStride<>(lda) );</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  eigen_assert(tempv.size()>w*ldu + nrow*w + 1);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  Index ldl = internal::first_multiple<Index>(nrow, PacketSize);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  Index offset = (PacketSize-internal::first_aligned(B.data(), PacketSize)) % PacketSize;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  Map<Matrix<Scalar,Dynamic,Dynamic>, 0, OuterStride<> > L(tempv.data()+w*ldu+offset, nrow, u_cols, OuterStride<>(ldl));</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  L.setZero();</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  internal::sparselu_gemm<Scalar>(L.rows(), L.cols(), B.cols(), B.data(), B.outerStride(), U.data(), U.outerStride(), L.data(), L.outerStride());</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// scatter U and L</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  u_col = 0;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">for</span> (jj = jcol; jj < jcol + w; jj++)</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  {</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  nextl_col = (jj-jcol) * m; </div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  VectorBlock<IndexVector> repfnz_col(repfnz, nextl_col, m); <span class="comment">// First nonzero column index for each row</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  VectorBlock<ScalarVector> dense_col(dense, nextl_col, m); <span class="comment">// Scatter/gather entire matrix column from/to here</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  kfnz = repfnz_col(krep); </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> ( kfnz == emptyIdxLU ) </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">continue</span>; <span class="comment">// skip any zero segment</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  segsize = krep - kfnz + 1;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  no_zeros = kfnz - fsupc; </div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  Index isub = lptr + no_zeros;</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>  Index off = u_rows-segsize;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">for</span> (Index i = 0; i < segsize; i++)</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>  Index irow = glu.lsub(isub++); </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  dense_col(irow) = U.coeff(i+off,u_col);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  U.coeffRef(i+off,u_col) = 0;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// Scatter l into SPA dense[]</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">for</span> (Index i = 0; i < nrow; i++)</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  Index irow = glu.lsub(isub++); </div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  dense_col(irow) -= L.coeff(i,u_col);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  L.coeffRef(i,u_col) = 0;</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>  u_col++;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">else</span> <span class="comment">// level 2 only</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  {</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">// Sequence through each column in the panel</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">for</span> (jj = jcol; jj < jcol + w; jj++)</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>  nextl_col = (jj-jcol) * m; </div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  VectorBlock<IndexVector> repfnz_col(repfnz, nextl_col, m); <span class="comment">// First nonzero column index for each row</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  VectorBlock<ScalarVector> dense_col(dense, nextl_col, m); <span class="comment">// Scatter/gather entire matrix column from/to here</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  kfnz = repfnz_col(krep); </div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> ( kfnz == emptyIdxLU ) </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">continue</span>; <span class="comment">// skip any zero segment</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  </div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  segsize = krep - kfnz + 1;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  luptr = glu.xlusup(fsupc);</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  </div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  Index lda = glu.xlusup(fsupc+1)-glu.xlusup(fsupc);<span class="comment">// nsupr</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  </div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="comment">// Perform a trianglar solve and block update, </span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="comment">// then scatter the result of sup-col update to dense[]</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  no_zeros = kfnz - fsupc; </div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">if</span>(segsize==1) LU_kernel_bmod<1>::run(segsize, dense_col, tempv, glu.lusup, luptr, lda, nrow, glu.lsub, lptr, no_zeros);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span>(segsize==2) LU_kernel_bmod<2>::run(segsize, dense_col, tempv, glu.lusup, luptr, lda, nrow, glu.lsub, lptr, no_zeros);</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span>(segsize==3) LU_kernel_bmod<3>::run(segsize, dense_col, tempv, glu.lusup, luptr, lda, nrow, glu.lsub, lptr, no_zeros);</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">else</span> LU_kernel_bmod<Dynamic>::run(segsize, dense_col, tempv, glu.lusup, luptr, lda, nrow, glu.lsub, lptr, no_zeros); </div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  } <span class="comment">// End for each column in the panel </span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  }</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  </div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  } <span class="comment">// End for each updating supernode</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> } <span class="comment">// end panel bmod</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> } <span class="comment">// end namespace internal</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="comment">// end namespace Eigen</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="preprocessor">#endif // SPARSELU_PANEL_BMOD_H</span></div>
<div class="ttc" id="group__enums_html_gga456ac33d49271d3e2c371351cd1d6371ad5380ca00f3d74b38593adf8a0d06d3e"><div class="ttname"><a href="group__enums.html#gga456ac33d49271d3e2c371351cd1d6371ad5380ca00f3d74b38593adf8a0d06d3e">Eigen::Aligned</a></div><div class="ttdef"><b>Definition:</b> Constants.h:194</div></div>
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