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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) 2008-2011 Gael Guennebaud <gael.guennebaud@inria.fr></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// This Source Code Form is subject to the terms of the Mozilla</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</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="l00008"></a><span class="lineno"> 8</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="l00009"></a><span class="lineno"> 9</span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#ifndef EIGEN_UMFPACKSUPPORT_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_UMFPACKSUPPORT_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span>Eigen { </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">/* TODO extract L, extract U, compute det, etc... */</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// generic double/complex<double> wrapper functions:</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> umfpack_free_numeric(<span class="keywordtype">void</span> **Numeric, <span class="keywordtype">double</span>)</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> { umfpack_di_free_numeric(Numeric); *Numeric = 0; }</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> umfpack_free_numeric(<span class="keywordtype">void</span> **Numeric, std::complex<double>)</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> { umfpack_zi_free_numeric(Numeric); *Numeric = 0; }</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> umfpack_free_symbolic(<span class="keywordtype">void</span> **Symbolic, <span class="keywordtype">double</span>)</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> { umfpack_di_free_symbolic(Symbolic); *Symbolic = 0; }</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="keyword">inline</span> <span class="keywordtype">void</span> umfpack_free_symbolic(<span class="keywordtype">void</span> **Symbolic, std::complex<double>)</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> { umfpack_zi_free_symbolic(Symbolic); *Symbolic = 0; }</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> umfpack_symbolic(<span class="keywordtype">int</span> n_row,<span class="keywordtype">int</span> n_col,</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> Ap[], <span class="keyword">const</span> <span class="keywordtype">int</span> Ai[], <span class="keyword">const</span> <span class="keywordtype">double</span> Ax[], <span class="keywordtype">void</span> **Symbolic,</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> Control [UMFPACK_CONTROL], <span class="keywordtype">double</span> Info [UMFPACK_INFO])</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="keywordflow">return</span> umfpack_di_symbolic(n_row,n_col,Ap,Ai,Ax,Symbolic,Control,Info);</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> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> umfpack_symbolic(<span class="keywordtype">int</span> n_row,<span class="keywordtype">int</span> n_col,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> Ap[], <span class="keyword">const</span> <span class="keywordtype">int</span> Ai[], <span class="keyword">const</span> std::complex<double> Ax[], <span class="keywordtype">void</span> **Symbolic,</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> Control [UMFPACK_CONTROL], <span class="keywordtype">double</span> Info [UMFPACK_INFO])</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">return</span> umfpack_zi_symbolic(n_row,n_col,Ap,Ai,&numext::real_ref(Ax[0]),0,Symbolic,Control,Info);</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> }</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> umfpack_numeric( <span class="keyword">const</span> <span class="keywordtype">int</span> Ap[], <span class="keyword">const</span> <span class="keywordtype">int</span> Ai[], <span class="keyword">const</span> <span class="keywordtype">double</span> Ax[],</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">void</span> *Symbolic, <span class="keywordtype">void</span> **Numeric,</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> Control[UMFPACK_CONTROL],<span class="keywordtype">double</span> Info [UMFPACK_INFO])</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span> umfpack_di_numeric(Ap,Ai,Ax,Symbolic,Numeric,Control,Info);</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> </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> umfpack_numeric( <span class="keyword">const</span> <span class="keywordtype">int</span> Ap[], <span class="keyword">const</span> <span class="keywordtype">int</span> Ai[], <span class="keyword">const</span> std::complex<double> Ax[],</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">void</span> *Symbolic, <span class="keywordtype">void</span> **Numeric,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> Control[UMFPACK_CONTROL],<span class="keywordtype">double</span> Info [UMFPACK_INFO])</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">return</span> umfpack_zi_numeric(Ap,Ai,&numext::real_ref(Ax[0]),0,Symbolic,Numeric,Control,Info);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</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> <span class="keyword">inline</span> <span class="keywordtype">int</span> umfpack_solve( <span class="keywordtype">int</span> sys, <span class="keyword">const</span> <span class="keywordtype">int</span> Ap[], <span class="keyword">const</span> <span class="keywordtype">int</span> Ai[], <span class="keyword">const</span> <span class="keywordtype">double</span> Ax[],</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">double</span> X[], <span class="keyword">const</span> <span class="keywordtype">double</span> B[], <span class="keywordtype">void</span> *Numeric,</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> Control[UMFPACK_CONTROL], <span class="keywordtype">double</span> Info[UMFPACK_INFO])</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>  <span class="keywordflow">return</span> umfpack_di_solve(sys,Ap,Ai,Ax,X,B,Numeric,Control,Info);</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> </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> umfpack_solve( <span class="keywordtype">int</span> sys, <span class="keyword">const</span> <span class="keywordtype">int</span> Ap[], <span class="keyword">const</span> <span class="keywordtype">int</span> Ai[], <span class="keyword">const</span> std::complex<double> Ax[],</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  std::complex<double> X[], <span class="keyword">const</span> std::complex<double> B[], <span class="keywordtype">void</span> *Numeric,</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> Control[UMFPACK_CONTROL], <span class="keywordtype">double</span> Info[UMFPACK_INFO])</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> umfpack_zi_solve(sys,Ap,Ai,&numext::real_ref(Ax[0]),0,&numext::real_ref(X[0]),0,&numext::real_ref(B[0]),0,Numeric,Control,Info);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</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="keywordtype">int</span> umfpack_get_lunz(<span class="keywordtype">int</span> *lnz, <span class="keywordtype">int</span> *unz, <span class="keywordtype">int</span> *n_row, <span class="keywordtype">int</span> *n_col, <span class="keywordtype">int</span> *nz_udiag, <span class="keywordtype">void</span> *Numeric, <span class="keywordtype">double</span>)</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> umfpack_di_get_lunz(lnz,unz,n_row,n_col,nz_udiag,Numeric);</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> }</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="keyword">inline</span> <span class="keywordtype">int</span> umfpack_get_lunz(<span class="keywordtype">int</span> *lnz, <span class="keywordtype">int</span> *unz, <span class="keywordtype">int</span> *n_row, <span class="keywordtype">int</span> *n_col, <span class="keywordtype">int</span> *nz_udiag, <span class="keywordtype">void</span> *Numeric, std::complex<double>)</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> {</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> umfpack_zi_get_lunz(lnz,unz,n_row,n_col,nz_udiag,Numeric);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> umfpack_get_numeric(<span class="keywordtype">int</span> Lp[], <span class="keywordtype">int</span> Lj[], <span class="keywordtype">double</span> Lx[], <span class="keywordtype">int</span> Up[], <span class="keywordtype">int</span> Ui[], <span class="keywordtype">double</span> Ux[],</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">int</span> P[], <span class="keywordtype">int</span> Q[], <span class="keywordtype">double</span> Dx[], <span class="keywordtype">int</span> *do_recip, <span class="keywordtype">double</span> Rs[], <span class="keywordtype">void</span> *Numeric)</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> umfpack_di_get_numeric(Lp,Lj,Lx,Up,Ui,Ux,P,Q,Dx,do_recip,Rs,Numeric);</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> </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> umfpack_get_numeric(<span class="keywordtype">int</span> Lp[], <span class="keywordtype">int</span> Lj[], std::complex<double> Lx[], <span class="keywordtype">int</span> Up[], <span class="keywordtype">int</span> Ui[], std::complex<double> Ux[],</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">int</span> P[], <span class="keywordtype">int</span> Q[], std::complex<double> Dx[], <span class="keywordtype">int</span> *do_recip, <span class="keywordtype">double</span> Rs[], <span class="keywordtype">void</span> *Numeric)</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">double</span>& lx0_real = numext::real_ref(Lx[0]);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">double</span>& ux0_real = numext::real_ref(Ux[0]);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">double</span>& dx0_real = numext::real_ref(Dx[0]);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">return</span> umfpack_zi_get_numeric(Lp,Lj,Lx?&lx0_real:0,0,Up,Ui,Ux?&ux0_real:0,0,P,Q,</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  Dx?&dx0_real:0,0,do_recip,Rs,Numeric);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> }</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> umfpack_get_determinant(<span class="keywordtype">double</span> *Mx, <span class="keywordtype">double</span> *Ex, <span class="keywordtype">void</span> *NumericHandle, <span class="keywordtype">double</span> User_Info [UMFPACK_INFO])</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="keywordflow">return</span> umfpack_di_get_determinant(Mx,Ex,NumericHandle,User_Info);</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> </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> umfpack_get_determinant(std::complex<double> *Mx, <span class="keywordtype">double</span> *Ex, <span class="keywordtype">void</span> *NumericHandle, <span class="keywordtype">double</span> User_Info [UMFPACK_INFO])</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>  <span class="keywordtype">double</span>& mx_real = numext::real_ref(*Mx);</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> umfpack_zi_get_determinant(&mx_real,0,Ex,NumericHandle,User_Info);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">template</span><<span class="keyword">typename</span> _MatrixType></div>
<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classEigen_1_1UmfPackLU.html"> 124</a></span> <span class="keyword">class </span><a class="code" href="classEigen_1_1UmfPackLU.html">UmfPackLU</a> : internal::noncopyable</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>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">typedef</span> _MatrixType MatrixType;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> MatrixType::Scalar Scalar;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> MatrixType::RealScalar RealScalar;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> MatrixType::Index Index;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">typedef</span> <a class="code" href="classEigen_1_1Matrix.html">Matrix<Scalar,Dynamic,1></a> <a class="code" href="classEigen_1_1Matrix.html">Vector</a>;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">typedef</span> <a class="code" href="classEigen_1_1Matrix.html">Matrix<int, 1, MatrixType::ColsAtCompileTime></a> <a class="code" href="classEigen_1_1Matrix.html">IntRowVectorType</a>;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">typedef</span> <a class="code" href="classEigen_1_1Matrix.html">Matrix<int, MatrixType::RowsAtCompileTime, 1></a> <a class="code" href="classEigen_1_1Matrix.html">IntColVectorType</a>;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">typedef</span> <a class="code" href="classEigen_1_1SparseMatrix.html">SparseMatrix<Scalar></a> <a class="code" href="classEigen_1_1SparseMatrix.html">LUMatrixType</a>;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">typedef</span> <a class="code" href="classEigen_1_1SparseMatrix.html">SparseMatrix<Scalar,ColMajor,int></a> <a class="code" href="classEigen_1_1SparseMatrix.html">UmfpackMatrixType</a>;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="classEigen_1_1UmfPackLU.html">UmfPackLU</a>() { init(); }</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="classEigen_1_1UmfPackLU.html">UmfPackLU</a>(<span class="keyword">const</span> MatrixType& matrix)</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>  init();</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="classEigen_1_1UmfPackLU.html#a05a0eac1c146e9e62df9ec70f5a6f69d">compute</a>(matrix);</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> </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  ~<a class="code" href="classEigen_1_1UmfPackLU.html">UmfPackLU</a>()</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="keywordflow">if</span>(m_symbolic) umfpack_free_symbolic(&m_symbolic,Scalar());</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span>(m_numeric) umfpack_free_numeric(&m_numeric,Scalar());</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">inline</span> Index rows()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_copyMatrix.<a class="code" href="classEigen_1_1SparseMatrix.html#a5552abd83dbd03c85cea6d61fd8875a5">rows</a>(); }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">inline</span> Index cols()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_copyMatrix.<a class="code" href="classEigen_1_1SparseMatrix.html#aaca1908a5ec508a25ff0a8bca803e5f3">cols</a>(); }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a name="l00161"></a><span class="lineno"><a class="line" href="classEigen_1_1UmfPackLU.html#a0c06d5c2034ebb329c54235369643ad2"> 161</a></span>  <a class="code" href="group__enums.html#ga51bc1ac16f26ebe51eae1abb77bd037b">ComputationInfo</a> <a class="code" href="classEigen_1_1UmfPackLU.html#a0c06d5c2034ebb329c54235369643ad2">info</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  eigen_assert(m_isInitialized && <span class="stringliteral">"Decomposition is not initialized."</span>);</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span> m_info;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">inline</span> <span class="keyword">const</span> LUMatrixType& matrixL()<span class="keyword"> const</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (m_extractedDataAreDirty) extractData();</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> m_l;</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> </div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">inline</span> <span class="keyword">const</span> LUMatrixType& matrixU()<span class="keyword"> const</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> (m_extractedDataAreDirty) extractData();</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> m_u;</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> </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keyword">inline</span> <span class="keyword">const</span> IntColVectorType& permutationP()<span class="keyword"> const</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (m_extractedDataAreDirty) extractData();</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">return</span> m_p;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</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="keyword">inline</span> <span class="keyword">const</span> IntRowVectorType& permutationQ()<span class="keyword"> const</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">if</span> (m_extractedDataAreDirty) extractData();</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> m_q;</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> </div>
<div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="classEigen_1_1UmfPackLU.html#a05a0eac1c146e9e62df9ec70f5a6f69d"> 195</a></span>  <span class="keywordtype">void</span> <a class="code" href="classEigen_1_1UmfPackLU.html#a05a0eac1c146e9e62df9ec70f5a6f69d">compute</a>(<span class="keyword">const</span> MatrixType& matrix)</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>  <a class="code" href="classEigen_1_1UmfPackLU.html#a6f2a135bd741b6b2f2558e6a404581ff">analyzePattern</a>(matrix);</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="classEigen_1_1UmfPackLU.html#a33e2421e468033a883c041f940537a7c">factorize</a>(matrix);</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="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Rhs></div>
<div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="classEigen_1_1UmfPackLU.html#a80935322b92107932d0b90006ef16ecd"> 206</a></span>  <span class="keyword">inline</span> <span class="keyword">const</span> internal::solve_retval<UmfPackLU, Rhs> <a class="code" href="classEigen_1_1UmfPackLU.html#a80935322b92107932d0b90006ef16ecd">solve</a>(<span class="keyword">const</span> <a class="code" href="classEigen_1_1MatrixBase.html">MatrixBase<Rhs></a>& b)<span class="keyword"> const</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  eigen_assert(m_isInitialized && <span class="stringliteral">"UmfPackLU is not initialized."</span>);</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  eigen_assert(rows()==b.rows()</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  && <span class="stringliteral">"UmfPackLU::solve(): invalid number of rows of the right hand side matrix b"</span>);</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">return</span> internal::solve_retval<UmfPackLU, Rhs>(*<span class="keyword">this</span>, b.derived());</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> </div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Rhs></div>
<div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="classEigen_1_1UmfPackLU.html#a6c606e11055ed3d815183705c57b22b4"> 219</a></span>  <span class="keyword">inline</span> <span class="keyword">const</span> internal::sparse_solve_retval<UmfPackLU, Rhs> <a class="code" href="classEigen_1_1UmfPackLU.html#a6c606e11055ed3d815183705c57b22b4">solve</a>(<span class="keyword">const</span> <a class="code" href="classEigen_1_1SparseMatrixBase.html">SparseMatrixBase<Rhs></a>& b)<span class="keyword"> const</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  eigen_assert(m_isInitialized && <span class="stringliteral">"UmfPackLU is not initialized."</span>);</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  eigen_assert(rows()==b.<a class="code" href="classEigen_1_1SparseMatrixBase.html#a5552abd83dbd03c85cea6d61fd8875a5">rows</a>()</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  && <span class="stringliteral">"UmfPackLU::solve(): invalid number of rows of the right hand side matrix b"</span>);</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">return</span> internal::sparse_solve_retval<UmfPackLU, Rhs>(*<span class="keyword">this</span>, b.<a class="code" href="structEigen_1_1EigenBase.html#aa84222add803ad7c9db07dd4dd91d5d9">derived</a>());</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div>
<div class="line"><a name="l00233"></a><span class="lineno"><a class="line" href="classEigen_1_1UmfPackLU.html#a6f2a135bd741b6b2f2558e6a404581ff"> 233</a></span>  <span class="keywordtype">void</span> <a class="code" href="classEigen_1_1UmfPackLU.html#a6f2a135bd741b6b2f2558e6a404581ff">analyzePattern</a>(<span class="keyword">const</span> MatrixType& matrix)</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  {</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">if</span>(m_symbolic)</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  umfpack_free_symbolic(&m_symbolic,Scalar());</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">if</span>(m_numeric)</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  umfpack_free_numeric(&m_numeric,Scalar());</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  </div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  grapInput(matrix);</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="keywordtype">int</span> errorCode = 0;</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  errorCode = umfpack_symbolic(matrix.rows(), matrix.cols(), m_outerIndexPtr, m_innerIndexPtr, m_valuePtr,</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  &m_symbolic, 0, 0);</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  m_isInitialized = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  m_info = errorCode ? <a class="code" href="group__enums.html#gga51bc1ac16f26ebe51eae1abb77bd037bae1252631a63be5890a1e78ff417d378f">InvalidInput</a> : <a class="code" href="group__enums.html#gga51bc1ac16f26ebe51eae1abb77bd037bafdfbdf3247bd36a1f17270d5cec74c9c">Success</a>;</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  m_analysisIsOk = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  m_factorizationIsOk = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div>
<div class="line"><a name="l00258"></a><span class="lineno"><a class="line" href="classEigen_1_1UmfPackLU.html#a33e2421e468033a883c041f940537a7c"> 258</a></span>  <span class="keywordtype">void</span> <a class="code" href="classEigen_1_1UmfPackLU.html#a33e2421e468033a883c041f940537a7c">factorize</a>(<span class="keyword">const</span> MatrixType& matrix)</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  {</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  eigen_assert(m_analysisIsOk && <span class="stringliteral">"UmfPackLU: you must first call analyzePattern()"</span>);</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span>(m_numeric)</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  umfpack_free_numeric(&m_numeric,Scalar());</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  grapInput(matrix);</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordtype">int</span> errorCode;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  errorCode = umfpack_numeric(m_outerIndexPtr, m_innerIndexPtr, m_valuePtr,</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  m_symbolic, &m_numeric, 0, 0);</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>  m_info = errorCode ? <a class="code" href="group__enums.html#gga51bc1ac16f26ebe51eae1abb77bd037ba710fff14e8fc77846d4b75d8f4cc2d5c">NumericalIssue</a> : <a class="code" href="group__enums.html#gga51bc1ac16f26ebe51eae1abb77bd037bafdfbdf3247bd36a1f17270d5cec74c9c">Success</a>;</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  m_factorizationIsOk = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="preprocessor"> #ifndef EIGEN_PARSED_BY_DOXYGEN</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keyword">template</span><<span class="keyword">typename</span> BDerived,<span class="keyword">typename</span> XDerived></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordtype">bool</span> _solve(<span class="keyword">const</span> <a class="code" href="classEigen_1_1MatrixBase.html">MatrixBase<BDerived></a> &b, <a class="code" href="classEigen_1_1MatrixBase.html">MatrixBase<XDerived></a> &x) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  Scalar determinant() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordtype">void</span> extractData() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordtype">void</span> init()</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  {</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  m_info = <a class="code" href="group__enums.html#gga51bc1ac16f26ebe51eae1abb77bd037bae1252631a63be5890a1e78ff417d378f">InvalidInput</a>;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  m_isInitialized = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  m_numeric = 0;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  m_symbolic = 0;</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  m_outerIndexPtr = 0;</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  m_innerIndexPtr = 0;</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  m_valuePtr = 0;</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</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="keywordtype">void</span> grapInput(<span class="keyword">const</span> MatrixType& mat)</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  {</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  m_copyMatrix.<a class="code" href="classEigen_1_1SparseMatrix.html#ac20f895ce9b73fa7447196855c0d0758">resize</a>(mat.rows(), mat.cols());</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">if</span>( ((MatrixType::Flags&<a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a>)==RowMajorBit) || <span class="keyword">sizeof</span>(<span class="keyword">typename</span> MatrixType::Index)!=<span class="keyword">sizeof</span>(<span class="keywordtype">int</span>) || !mat.isCompressed() )</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  {</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">// non supported input -> copy</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  m_copyMatrix = mat;</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  m_outerIndexPtr = m_copyMatrix.<a class="code" href="classEigen_1_1SparseMatrix.html#a4cbbda70dd9a9a925d749e4258fecb5b">outerIndexPtr</a>();</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  m_innerIndexPtr = m_copyMatrix.<a class="code" href="classEigen_1_1SparseMatrix.html#a828e04dedd8347ad1c463817b2e5dbed">innerIndexPtr</a>();</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  m_valuePtr = m_copyMatrix.<a class="code" href="classEigen_1_1SparseMatrix.html#aa44fe8c6de1533193f303ab7c4d43692">valuePtr</a>();</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  }</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  {</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  m_outerIndexPtr = mat.outerIndexPtr();</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  m_innerIndexPtr = mat.innerIndexPtr();</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  m_valuePtr = mat.valuePtr();</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  }</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> </div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="comment">// cached data to reduce reallocation, etc.</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keyword">mutable</span> LUMatrixType m_l;</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keyword">mutable</span> LUMatrixType m_u;</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keyword">mutable</span> IntColVectorType m_p;</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keyword">mutable</span> IntRowVectorType m_q;</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> </div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  UmfpackMatrixType m_copyMatrix;</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keyword">const</span> Scalar* m_valuePtr;</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keyword">const</span> <span class="keywordtype">int</span>* m_outerIndexPtr;</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keyword">const</span> <span class="keywordtype">int</span>* m_innerIndexPtr;</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordtype">void</span>* m_numeric;</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordtype">void</span>* m_symbolic;</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keyword">mutable</span> <a class="code" href="group__enums.html#ga51bc1ac16f26ebe51eae1abb77bd037b">ComputationInfo</a> m_info;</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordtype">bool</span> m_isInitialized;</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordtype">int</span> m_factorizationIsOk;</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordtype">int</span> m_analysisIsOk;</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keyword">mutable</span> <span class="keywordtype">bool</span> m_extractedDataAreDirty;</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  </div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  UmfPackLU(UmfPackLU& ) { }</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> };</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</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="keyword">template</span><<span class="keyword">typename</span> MatrixType></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="keywordtype">void</span> UmfPackLU<MatrixType>::extractData()<span class="keyword"> const</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">if</span> (m_extractedDataAreDirty)</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>  <span class="comment">// get size of the data</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordtype">int</span> lnz, unz, rows, cols, nz_udiag;</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  umfpack_get_lunz(&lnz, &unz, &rows, &cols, &nz_udiag, m_numeric, Scalar());</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> </div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="comment">// allocate data</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  m_l.resize(rows,(std::min)(rows,cols));</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  m_l.resizeNonZeros(lnz);</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>  m_u.resize((std::min)(rows,cols),cols);</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  m_u.resizeNonZeros(unz);</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  m_p.resize(rows);</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  m_q.resize(cols);</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="comment">// extract</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  umfpack_get_numeric(m_l.outerIndexPtr(), m_l.innerIndexPtr(), m_l.valuePtr(),</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  m_u.outerIndexPtr(), m_u.innerIndexPtr(), m_u.valuePtr(),</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  m_p.data(), m_q.data(), 0, 0, 0, m_numeric);</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>  m_extractedDataAreDirty = <span class="keyword">false</span>;</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> }</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> </div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="keyword">template</span><<span class="keyword">typename</span> MatrixType></div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> <span class="keyword">typename</span> UmfPackLU<MatrixType>::Scalar UmfPackLU<MatrixType>::determinant()<span class="keyword"> const</span></div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  Scalar det;</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  umfpack_get_determinant(&det, 0, m_numeric, 0);</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">return</span> det;</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> }</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> <span class="keyword">template</span><<span class="keyword">typename</span> MatrixType></div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="keyword">template</span><<span class="keyword">typename</span> BDerived,<span class="keyword">typename</span> XDerived></div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="keywordtype">bool</span> UmfPackLU<MatrixType>::_solve(<span class="keyword">const</span> MatrixBase<BDerived> &b, MatrixBase<XDerived> &x)<span class="keyword"> const</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> rhsCols = b.cols();</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  eigen_assert((BDerived::Flags&RowMajorBit)==0 && <span class="stringliteral">"UmfPackLU backend does not support non col-major rhs yet"</span>);</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  eigen_assert((XDerived::Flags&RowMajorBit)==0 && <span class="stringliteral">"UmfPackLU backend does not support non col-major result yet"</span>);</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  eigen_assert(b.derived().data() != x.derived().data() && <span class="stringliteral">" Umfpack does not support inplace solve"</span>);</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  </div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordtype">int</span> errorCode;</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j=0; j<rhsCols; ++j)</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>  errorCode = umfpack_solve(UMFPACK_A,</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  m_outerIndexPtr, m_innerIndexPtr, m_valuePtr,</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  &x.col(j).coeffRef(0), &b.const_cast_derived().col(j).coeffRef(0), m_numeric, 0, 0);</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">if</span> (errorCode!=0)</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  }</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> </div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> }</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> </div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="keyword">namespace </span>internal {</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="keyword">template</span><<span class="keyword">typename</span> _MatrixType, <span class="keyword">typename</span> Rhs></div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <span class="keyword">struct </span>solve_retval<UmfPackLU<_MatrixType>, Rhs></div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  : solve_retval_base<UmfPackLU<_MatrixType>, Rhs></div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> {</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keyword">typedef</span> UmfPackLU<_MatrixType> Dec;</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  EIGEN_MAKE_SOLVE_HELPERS(Dec,Rhs)</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>  template<typename Dest> <span class="keywordtype">void</span> evalTo(Dest& dst)<span class="keyword"> const</span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  dec()._solve(rhs(),dst);</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  }</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> };</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> <span class="keyword">template</span><<span class="keyword">typename</span> _MatrixType, <span class="keyword">typename</span> Rhs></div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="keyword">struct </span>sparse_solve_retval<UmfPackLU<_MatrixType>, Rhs></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  : sparse_solve_retval_base<UmfPackLU<_MatrixType>, Rhs></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>  <span class="keyword">typedef</span> UmfPackLU<_MatrixType> Dec;</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  EIGEN_MAKE_SPARSE_SOLVE_HELPERS(Dec,Rhs)</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> </div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  template<typename Dest> <span class="keywordtype">void</span> evalTo(Dest& dst)<span class="keyword"> const</span></div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  this->defaultEvalTo(dst);</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> };</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> } <span class="comment">// end namespace internal</span></div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> </div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> } <span class="comment">// end namespace Eigen</span></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 // EIGEN_UMFPACKSUPPORT_H</span></div>
<div class="ttc" id="classEigen_1_1SparseMatrix_html_a5552abd83dbd03c85cea6d61fd8875a5"><div class="ttname"><a href="classEigen_1_1SparseMatrix.html#a5552abd83dbd03c85cea6d61fd8875a5">Eigen::SparseMatrix::rows</a></div><div class="ttdeci">Index rows() const </div><div class="ttdef"><b>Definition:</b> SparseMatrix.h:119</div></div>
<div class="ttc" id="classEigen_1_1UmfPackLU_html"><div class="ttname"><a href="classEigen_1_1UmfPackLU.html">Eigen::UmfPackLU</a></div><div class="ttdoc">A sparse LU factorization and solver based on UmfPack. </div><div class="ttdef"><b>Definition:</b> UmfPackSupport.h:124</div></div>
<div class="ttc" id="classEigen_1_1SparseMatrix_html_aaca1908a5ec508a25ff0a8bca803e5f3"><div class="ttname"><a href="classEigen_1_1SparseMatrix.html#aaca1908a5ec508a25ff0a8bca803e5f3">Eigen::SparseMatrix::cols</a></div><div class="ttdeci">Index cols() const </div><div class="ttdef"><b>Definition:</b> SparseMatrix.h:121</div></div>
<div class="ttc" id="classEigen_1_1SparseMatrix_html_aa44fe8c6de1533193f303ab7c4d43692"><div class="ttname"><a href="classEigen_1_1SparseMatrix.html#aa44fe8c6de1533193f303ab7c4d43692">Eigen::SparseMatrix::valuePtr</a></div><div class="ttdeci">const Scalar * valuePtr() const </div><div class="ttdef"><b>Definition:</b> SparseMatrix.h:131</div></div>
<div class="ttc" id="classEigen_1_1SparseMatrix_html_ac20f895ce9b73fa7447196855c0d0758"><div class="ttname"><a href="classEigen_1_1SparseMatrix.html#ac20f895ce9b73fa7447196855c0d0758">Eigen::SparseMatrix::resize</a></div><div class="ttdeci">void resize(Index rows, Index cols)</div><div class="ttdef"><b>Definition:</b> SparseMatrix.h:596</div></div>
<div class="ttc" id="classEigen_1_1SparseMatrix_html"><div class="ttname"><a href="classEigen_1_1SparseMatrix.html">Eigen::SparseMatrix< Scalar ></a></div></div>
<div class="ttc" id="group__enums_html_gga51bc1ac16f26ebe51eae1abb77bd037ba710fff14e8fc77846d4b75d8f4cc2d5c"><div class="ttname"><a href="group__enums.html#gga51bc1ac16f26ebe51eae1abb77bd037ba710fff14e8fc77846d4b75d8f4cc2d5c">Eigen::NumericalIssue</a></div><div class="ttdef"><b>Definition:</b> Constants.h:378</div></div>
<div class="ttc" id="classEigen_1_1UmfPackLU_html_a05a0eac1c146e9e62df9ec70f5a6f69d"><div class="ttname"><a href="classEigen_1_1UmfPackLU.html#a05a0eac1c146e9e62df9ec70f5a6f69d">Eigen::UmfPackLU::compute</a></div><div class="ttdeci">void compute(const MatrixType &matrix)</div><div class="ttdef"><b>Definition:</b> UmfPackSupport.h:195</div></div>
<div class="ttc" id="classEigen_1_1UmfPackLU_html_a6c606e11055ed3d815183705c57b22b4"><div class="ttname"><a href="classEigen_1_1UmfPackLU.html#a6c606e11055ed3d815183705c57b22b4">Eigen::UmfPackLU::solve</a></div><div class="ttdeci">const internal::sparse_solve_retval< UmfPackLU, Rhs > solve(const SparseMatrixBase< Rhs > &b) const </div><div class="ttdef"><b>Definition:</b> UmfPackSupport.h:219</div></div>
<div class="ttc" id="classEigen_1_1SparseMatrix_html_a4cbbda70dd9a9a925d749e4258fecb5b"><div class="ttname"><a href="classEigen_1_1SparseMatrix.html#a4cbbda70dd9a9a925d749e4258fecb5b">Eigen::SparseMatrix::outerIndexPtr</a></div><div class="ttdeci">const Index * outerIndexPtr() const </div><div class="ttdef"><b>Definition:</b> SparseMatrix.h:149</div></div>
<div class="ttc" id="classEigen_1_1SparseMatrixBase_html"><div class="ttname"><a href="classEigen_1_1SparseMatrixBase.html">Eigen::SparseMatrixBase</a></div><div class="ttdoc">Base class of any sparse matrices or sparse expressions. </div><div class="ttdef"><b>Definition:</b> SparseMatrixBase.h:26</div></div>
<div class="ttc" id="structEigen_1_1EigenBase_html_aa84222add803ad7c9db07dd4dd91d5d9"><div class="ttname"><a href="structEigen_1_1EigenBase.html#aa84222add803ad7c9db07dd4dd91d5d9">Eigen::EigenBase::derived</a></div><div class="ttdeci">Derived & derived()</div><div class="ttdef"><b>Definition:</b> EigenBase.h:34</div></div>
<div class="ttc" id="group__enums_html_gga51bc1ac16f26ebe51eae1abb77bd037bae1252631a63be5890a1e78ff417d378f"><div class="ttname"><a href="group__enums.html#gga51bc1ac16f26ebe51eae1abb77bd037bae1252631a63be5890a1e78ff417d378f">Eigen::InvalidInput</a></div><div class="ttdef"><b>Definition:</b> Constants.h:383</div></div>
<div class="ttc" id="classEigen_1_1UmfPackLU_html_a6f2a135bd741b6b2f2558e6a404581ff"><div class="ttname"><a href="classEigen_1_1UmfPackLU.html#a6f2a135bd741b6b2f2558e6a404581ff">Eigen::UmfPackLU::analyzePattern</a></div><div class="ttdeci">void analyzePattern(const MatrixType &matrix)</div><div class="ttdef"><b>Definition:</b> UmfPackSupport.h:233</div></div>
<div class="ttc" id="classEigen_1_1UmfPackLU_html_a0c06d5c2034ebb329c54235369643ad2"><div class="ttname"><a href="classEigen_1_1UmfPackLU.html#a0c06d5c2034ebb329c54235369643ad2">Eigen::UmfPackLU::info</a></div><div class="ttdeci">ComputationInfo info() const </div><div class="ttdoc">Reports whether previous computation was successful. </div><div class="ttdef"><b>Definition:</b> UmfPackSupport.h:161</div></div>
<div class="ttc" id="group__enums_html_gga51bc1ac16f26ebe51eae1abb77bd037bafdfbdf3247bd36a1f17270d5cec74c9c"><div class="ttname"><a href="group__enums.html#gga51bc1ac16f26ebe51eae1abb77bd037bafdfbdf3247bd36a1f17270d5cec74c9c">Eigen::Success</a></div><div class="ttdef"><b>Definition:</b> Constants.h:376</div></div>
<div class="ttc" id="group__flags_html_ga7bd49e7b260e869e10fb9dc4fd081a85"><div class="ttname"><a href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">Eigen::RowMajorBit</a></div><div class="ttdeci">const unsigned int RowMajorBit</div><div class="ttdef"><b>Definition:</b> Constants.h:53</div></div>
<div class="ttc" id="classEigen_1_1Matrix_html"><div class="ttname"><a href="classEigen_1_1Matrix.html">Eigen::Matrix< Scalar, Dynamic, 1 ></a></div></div>
<div class="ttc" id="classEigen_1_1SparseMatrixBase_html_a5552abd83dbd03c85cea6d61fd8875a5"><div class="ttname"><a href="classEigen_1_1SparseMatrixBase.html#a5552abd83dbd03c85cea6d61fd8875a5">Eigen::SparseMatrixBase::rows</a></div><div class="ttdeci">Index rows() const </div><div class="ttdef"><b>Definition:</b> SparseMatrixBase.h:150</div></div>
<div class="ttc" id="group__enums_html_ga51bc1ac16f26ebe51eae1abb77bd037b"><div class="ttname"><a href="group__enums.html#ga51bc1ac16f26ebe51eae1abb77bd037b">Eigen::ComputationInfo</a></div><div class="ttdeci">ComputationInfo</div><div class="ttdef"><b>Definition:</b> Constants.h:374</div></div>
<div class="ttc" id="classEigen_1_1MatrixBase_html"><div class="ttname"><a href="classEigen_1_1MatrixBase.html">Eigen::MatrixBase</a></div><div class="ttdoc">Base class for all dense matrices, vectors, and expressions. </div><div class="ttdef"><b>Definition:</b> MatrixBase.h:48</div></div>
<div class="ttc" id="classEigen_1_1UmfPackLU_html_a80935322b92107932d0b90006ef16ecd"><div class="ttname"><a href="classEigen_1_1UmfPackLU.html#a80935322b92107932d0b90006ef16ecd">Eigen::UmfPackLU::solve</a></div><div class="ttdeci">const internal::solve_retval< UmfPackLU, Rhs > solve(const MatrixBase< Rhs > &b) const </div><div class="ttdef"><b>Definition:</b> UmfPackSupport.h:206</div></div>
<div class="ttc" id="classEigen_1_1SparseMatrix_html_a828e04dedd8347ad1c463817b2e5dbed"><div class="ttname"><a href="classEigen_1_1SparseMatrix.html#a828e04dedd8347ad1c463817b2e5dbed">Eigen::SparseMatrix::innerIndexPtr</a></div><div class="ttdeci">const Index * innerIndexPtr() const </div><div class="ttdef"><b>Definition:</b> SparseMatrix.h:140</div></div>
<div class="ttc" id="classEigen_1_1UmfPackLU_html_a33e2421e468033a883c041f940537a7c"><div class="ttname"><a href="classEigen_1_1UmfPackLU.html#a33e2421e468033a883c041f940537a7c">Eigen::UmfPackLU::factorize</a></div><div class="ttdeci">void factorize(const MatrixType &matrix)</div><div class="ttdef"><b>Definition:</b> UmfPackSupport.h:258</div></div>
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