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<div class="title">MatrixMarketIterator.h</div> </div>
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<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// This file is part of Eigen, a lightweight C++ template library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// for linear algebra.</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) 2012 Desire NUENTSA WAKAM <desire.nuentsa_wakam@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="preprocessor">#ifndef EIGEN_BROWSE_MATRICES_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_BROWSE_MATRICES_H</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span>Eigen {</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  SPD = 0x100,</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  NonSymmetric = 0x0</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> }; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Scalar></div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classEigen_1_1MatrixMarketIterator.html"> 42</a></span> <span class="keyword">class </span><a class="code" href="classEigen_1_1MatrixMarketIterator.html">MatrixMarketIterator</a> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">typedef</span> Matrix<Scalar,Dynamic,1> VectorType; </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">typedef</span> SparseMatrix<Scalar,ColMajor> MatrixType; </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="classEigen_1_1MatrixMarketIterator.html">MatrixMarketIterator</a>(<span class="keyword">const</span> std::string folder):m_sym(0),m_isvalid(<span class="keyword">false</span>),m_matIsLoaded(<span class="keyword">false</span>),m_hasRhs(<span class="keyword">false</span>),m_hasrefX(<span class="keyword">false</span>),m_folder(folder)</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  {</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  m_folder_id = opendir(folder.c_str());</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">if</span> (!m_folder_id){</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  m_isvalid = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  std::cerr << <span class="stringliteral">"The provided Matrix folder could not be opened \n\n"</span>;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  abort();</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  Getnextvalidmatrix();</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</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>  ~<a class="code" href="classEigen_1_1MatrixMarketIterator.html">MatrixMarketIterator</a>()</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>  <span class="keywordflow">if</span> (m_folder_id) closedir(m_folder_id); </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">inline</span> <a class="code" href="classEigen_1_1MatrixMarketIterator.html">MatrixMarketIterator</a>& operator++()</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  m_matIsLoaded = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  m_hasrefX = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  m_hasRhs = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  Getnextvalidmatrix();</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</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">inline</span> <span class="keyword">operator</span> bool()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_isvalid;}</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classEigen_1_1MatrixMarketIterator.html#ad7355bb89f8429007277363642c90bfd"> 76</a></span>  <span class="keyword">inline</span> MatrixType& <a class="code" href="classEigen_1_1MatrixMarketIterator.html#ad7355bb89f8429007277363642c90bfd">matrix</a>() </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  { </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Read the matrix</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (m_matIsLoaded) <span class="keywordflow">return</span> m_mat;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  std::string matrix_file = m_folder + <span class="stringliteral">"/"</span> + m_matname + <span class="stringliteral">".mtx"</span>;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> ( !loadMarket(m_mat, matrix_file)) </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>  m_matIsLoaded = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> m_mat;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  m_matIsLoaded = <span class="keyword">true</span>; </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (m_sym != NonSymmetric) </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  { <span class="comment">// Store the upper part of the matrix. It is needed by the solvers dealing with nonsymmetric matrices ??</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  MatrixType B; </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  B = m_mat;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  m_mat = B.template selfadjointView<Lower>();</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">return</span> m_mat; </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>  </div>
<div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="classEigen_1_1MatrixMarketIterator.html#a09e9e10469937f6e969421455d039f72"> 101</a></span>  <span class="keyword">inline</span> VectorType& <a class="code" href="classEigen_1_1MatrixMarketIterator.html#a09e9e10469937f6e969421455d039f72">rhs</a>() </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  { </div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// Get the right hand side</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (m_hasRhs) <span class="keywordflow">return</span> m_rhs;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  std::string rhs_file;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  rhs_file = m_folder + <span class="stringliteral">"/"</span> + m_matname + <span class="stringliteral">"_b.mtx"</span>; <span class="comment">// The pattern is matname_b.mtx</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  m_hasRhs = Fileexists(rhs_file);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">if</span> (m_hasRhs)</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>  m_rhs.resize(m_mat.cols());</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  m_hasRhs = loadMarketVector(m_rhs, rhs_file);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (!m_hasRhs)</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// Generate a random right hand side</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (!m_matIsLoaded) this-><a class="code" href="classEigen_1_1MatrixMarketIterator.html#ad7355bb89f8429007277363642c90bfd">matrix</a>(); </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  m_refX.resize(m_mat.cols());</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  m_refX.setRandom();</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  m_rhs = m_mat * m_refX;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  m_hasrefX = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  m_hasRhs = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">return</span> m_rhs; </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
<div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="classEigen_1_1MatrixMarketIterator.html#a4ff1cc747d071b153430018f57663d4b"> 133</a></span>  <span class="keyword">inline</span> VectorType& <a class="code" href="classEigen_1_1MatrixMarketIterator.html#a4ff1cc747d071b153430018f57663d4b">refX</a>() </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  { </div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// Check if a reference solution is provided</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (m_hasrefX) <span class="keywordflow">return</span> m_refX;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  std::string lhs_file;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  lhs_file = m_folder + <span class="stringliteral">"/"</span> + m_matname + <span class="stringliteral">"_x.mtx"</span>; </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  m_hasrefX = Fileexists(lhs_file);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span> (m_hasrefX)</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>  m_refX.resize(m_mat.cols());</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  m_hasrefX = loadMarketVector(m_refX, lhs_file);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> m_refX; </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  </div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">inline</span> std::string& matname() { <span class="keywordflow">return</span> m_matname; }</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>  <span class="keyword">inline</span> <span class="keywordtype">int</span> sym() { <span class="keywordflow">return</span> m_sym; }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> hasRhs() {<span class="keywordflow">return</span> m_hasRhs; }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> hasrefX() {<span class="keywordflow">return</span> m_hasrefX; }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">protected</span>:</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>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> Fileexists(std::string file)</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>  std::ifstream file_id(file.c_str());</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (!file_id.good() ) </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">else</span> </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  {</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  file_id.close();</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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>  }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  </div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">void</span> Getnextvalidmatrix( )</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  {</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  m_isvalid = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// Here, we return with the next valid matrix in the folder</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">while</span> ( (m_curs_id = readdir(m_folder_id)) != NULL) {</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  m_isvalid = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  std::string curfile;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  curfile = m_folder + <span class="stringliteral">"/"</span> + m_curs_id->d_name;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// Discard if it is a folder</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (m_curs_id->d_type == DT_DIR) <span class="keywordflow">continue</span>; <span class="comment">//FIXME This may not be available on non BSD systems</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment">// struct stat st_buf; </span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment">// stat (curfile.c_str(), &st_buf);</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment">// if (S_ISDIR(st_buf.st_mode)) continue;</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  </div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">// Determine from the header if it is a matrix or a right hand side </span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordtype">bool</span> isvector,iscomplex=<span class="keyword">false</span>;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span>(!getMarketHeader(curfile,m_sym,iscomplex,isvector)) <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span>(isvector) <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">if</span> (!iscomplex)</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  {</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">if</span>(internal::is_same<Scalar, std::complex<float> >::value || internal::is_same<Scalar, std::complex<double> >::value)</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">continue</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>  <span class="keywordflow">if</span> (iscomplex)</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>  <span class="keywordflow">if</span>(internal::is_same<Scalar, float>::value || internal::is_same<Scalar, double>::value)</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">continue</span>; </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</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>  </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="comment">// Get the matrix name</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  std::string filename = m_curs_id->d_name;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  m_matname = filename.substr(0, filename.length()-4); </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">// Find if the matrix is SPD </span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">size_t</span> found = m_matname.find(<span class="stringliteral">"SPD"</span>);</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span>( (found!=std::string::npos) && (m_sym != NonSymmetric) )</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  m_sym = SPD;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  </div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  m_isvalid = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">break</span>; </div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</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>  <span class="keywordtype">int</span> m_sym; <span class="comment">// Symmetry of the matrix</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  MatrixType m_mat; <span class="comment">// Current matrix </span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  VectorType m_rhs; <span class="comment">// Current vector</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  VectorType m_refX; <span class="comment">// The reference solution, if exists</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  std::string m_matname; <span class="comment">// Matrix Name</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordtype">bool</span> m_isvalid; </div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordtype">bool</span> m_matIsLoaded; <span class="comment">// Determine if the matrix has already been loaded from the file</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">bool</span> m_hasRhs; <span class="comment">// The right hand side exists</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">bool</span> m_hasrefX; <span class="comment">// A reference solution is provided</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  std::string m_folder;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  DIR * m_folder_id;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keyword">struct </span>dirent *m_curs_id; </div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  </div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> };</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> } <span class="comment">// end namespace Eigen</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> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="classEigen_1_1MatrixMarketIterator_html"><div class="ttname"><a href="classEigen_1_1MatrixMarketIterator.html">Eigen::MatrixMarketIterator</a></div><div class="ttdoc">Iterator to browse matrices from a specified folder. </div><div class="ttdef"><b>Definition:</b> MatrixMarketIterator.h:42</div></div>
<div class="ttc" id="classEigen_1_1MatrixMarketIterator_html_a09e9e10469937f6e969421455d039f72"><div class="ttname"><a href="classEigen_1_1MatrixMarketIterator.html#a09e9e10469937f6e969421455d039f72">Eigen::MatrixMarketIterator::rhs</a></div><div class="ttdeci">VectorType & rhs()</div><div class="ttdef"><b>Definition:</b> MatrixMarketIterator.h:101</div></div>
<div class="ttc" id="classEigen_1_1MatrixMarketIterator_html_ad7355bb89f8429007277363642c90bfd"><div class="ttname"><a href="classEigen_1_1MatrixMarketIterator.html#ad7355bb89f8429007277363642c90bfd">Eigen::MatrixMarketIterator::matrix</a></div><div class="ttdeci">MatrixType & matrix()</div><div class="ttdef"><b>Definition:</b> MatrixMarketIterator.h:76</div></div>
<div class="ttc" id="classEigen_1_1MatrixMarketIterator_html_a4ff1cc747d071b153430018f57663d4b"><div class="ttname"><a href="classEigen_1_1MatrixMarketIterator.html#a4ff1cc747d071b153430018f57663d4b">Eigen::MatrixMarketIterator::refX</a></div><div class="ttdeci">VectorType & refX()</div><div class="ttdef"><b>Definition:</b> MatrixMarketIterator.h:133</div></div>
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