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<div class="title">SparseUtil.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// This file is part of Eigen, a lightweight C++ template library</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// for linear algebra.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Copyright (C) 2008 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_SPARSEUTIL_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_SPARSEUTIL_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="preprocessor">#ifdef NDEBUG</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_DBG_SPARSE(X)</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_DBG_SPARSE(X) X</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define EIGEN_SPARSE_INHERIT_ASSIGNMENT_OPERATOR(Derived, Op) \</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">template<typename OtherDerived> \</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">EIGEN_STRONG_INLINE Derived& operator Op(const Eigen::SparseMatrixBase<OtherDerived>& other) \</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">{ \</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"> return Base::operator Op(other.derived()); \</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">} \</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">EIGEN_STRONG_INLINE Derived& operator Op(const Derived& other) \</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">{ \</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"> return Base::operator Op(other); \</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">}</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#define EIGEN_SPARSE_INHERIT_SCALAR_ASSIGNMENT_OPERATOR(Derived, Op) \</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">template<typename Other> \</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">EIGEN_STRONG_INLINE Derived& operator Op(const Other& scalar) \</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">{ \</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"> return Base::operator Op(scalar); \</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">}</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#define EIGEN_SPARSE_INHERIT_ASSIGNMENT_OPERATORS(Derived) \</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">EIGEN_SPARSE_INHERIT_ASSIGNMENT_OPERATOR(Derived, =) \</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">EIGEN_SPARSE_INHERIT_ASSIGNMENT_OPERATOR(Derived, +=) \</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">EIGEN_SPARSE_INHERIT_ASSIGNMENT_OPERATOR(Derived, -=) \</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">EIGEN_SPARSE_INHERIT_SCALAR_ASSIGNMENT_OPERATOR(Derived, *=) \</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">EIGEN_SPARSE_INHERIT_SCALAR_ASSIGNMENT_OPERATOR(Derived, /=)</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#define _EIGEN_SPARSE_PUBLIC_INTERFACE(Derived, BaseClass) \</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"> typedef BaseClass Base; \</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor"> typedef typename Eigen::internal::traits<Derived >::Scalar Scalar; \</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"> typedef typename Eigen::NumTraits<Scalar>::Real RealScalar; \</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"> typedef typename Eigen::internal::nested<Derived >::type Nested; \</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"> typedef typename Eigen::internal::traits<Derived >::StorageKind StorageKind; \</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor"> typedef typename Eigen::internal::traits<Derived >::Index Index; \</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"> enum { RowsAtCompileTime = Eigen::internal::traits<Derived >::RowsAtCompileTime, \</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor"> ColsAtCompileTime = Eigen::internal::traits<Derived >::ColsAtCompileTime, \</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"> Flags = Eigen::internal::traits<Derived >::Flags, \</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"> CoeffReadCost = Eigen::internal::traits<Derived >::CoeffReadCost, \</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"> SizeAtCompileTime = Base::SizeAtCompileTime, \</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"> IsVectorAtCompileTime = Base::IsVectorAtCompileTime }; \</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"> using Base::derived; \</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"> using Base::const_cast_derived;</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#define EIGEN_SPARSE_PUBLIC_INTERFACE(Derived) \</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor"> _EIGEN_SPARSE_PUBLIC_INTERFACE(Derived, Eigen::SparseMatrixBase<Derived >)</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">const</span> <span class="keywordtype">int</span> CoherentAccessPattern = 0x1;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">const</span> <span class="keywordtype">int</span> InnerRandomAccessPattern = 0x2 | CoherentAccessPattern;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">const</span> <span class="keywordtype">int</span> OuterRandomAccessPattern = 0x4 | CoherentAccessPattern;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">const</span> <span class="keywordtype">int</span> RandomAccessPattern = 0x8 | OuterRandomAccessPattern | InnerRandomAccessPattern;</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="keyword">template</span><<span class="keyword">typename</span> Derived> <span class="keyword">class </span>SparseMatrixBase;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">template</span><<span class="keyword">typename</span> _Scalar, <span class="keywordtype">int</span> _Flags = 0, <span class="keyword">typename</span> _Index = <span class="keywordtype">int</span>> <span class="keyword">class </span>SparseMatrix;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">template</span><<span class="keyword">typename</span> _Scalar, <span class="keywordtype">int</span> _Flags = 0, <span class="keyword">typename</span> _Index = <span class="keywordtype">int</span>> <span class="keyword">class </span>DynamicSparseMatrix;</div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classEigen_1_1SparseVector.html"> 73</a></span> <span class="keyword">template</span><<span class="keyword">typename</span> _Scalar, <span class="keywordtype">int</span> _Flags = 0, <span class="keyword">typename</span> _Index = <span class="keywordtype">int</span>> <span class="keyword">class </span><a class="code" href="classEigen_1_1SparseVector.html">SparseVector</a>;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">template</span><<span class="keyword">typename</span> _Scalar, <span class="keywordtype">int</span> _Flags = 0, <span class="keyword">typename</span> _Index = <span class="keywordtype">int</span>> <span class="keyword">class </span><a class="code" href="classEigen_1_1MappedSparseMatrix.html">MappedSparseMatrix</a>;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">template</span><<span class="keyword">typename</span> MatrixType, <span class="keywordtype">int</span> Mode> <span class="keyword">class </span>SparseTriangularView;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">template</span><<span class="keyword">typename</span> MatrixType, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> UpLo> <span class="keyword">class </span><a class="code" href="classEigen_1_1SparseSelfAdjointView.html">SparseSelfAdjointView</a>;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">template</span><<span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs> <span class="keyword">class </span>SparseDiagonalProduct;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">template</span><<span class="keyword">typename</span> MatrixType> <span class="keyword">class </span>SparseView;</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> <span class="keyword">template</span><<span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs> <span class="keyword">class </span>SparseSparseProduct;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">template</span><<span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs> <span class="keyword">class </span>SparseTimeDenseProduct;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">template</span><<span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs> <span class="keyword">class </span>DenseTimeSparseProduct;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">template</span><<span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs, <span class="keywordtype">bool</span> Transpose> <span class="keyword">class </span>SparseDenseOuterProduct;</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="keyword">template</span><<span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs> <span class="keyword">struct </span>SparseSparseProductReturnType;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> template<typename Lhs, typename Rhs, int InnerSize = internal::traits<Lhs>::ColsAtCompileTime> <span class="keyword">struct </span>DenseSparseProductReturnType;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> template<typename Lhs, typename Rhs, int InnerSize = internal::traits<Lhs>::ColsAtCompileTime> <span class="keyword">struct </span>SparseDenseProductReturnType;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">template</span><<span class="keyword">typename</span> MatrixType,<span class="keywordtype">int</span> UpLo> <span class="keyword">class </span>SparseSymmetricPermutationProduct;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">template</span><<span class="keyword">typename</span> T,<span class="keywordtype">int</span> Rows,<span class="keywordtype">int</span> Cols> <span class="keyword">struct </span>sparse_eval;</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="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">struct </span>eval<T,<a class="code" href="structEigen_1_1Sparse.html">Sparse</a>></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  : <span class="keyword">public</span> sparse_eval<T, traits<T>::RowsAtCompileTime,traits<T>::ColsAtCompileTime></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">template</span><<span class="keyword">typename</span> T,<span class="keywordtype">int</span> Cols> <span class="keyword">struct </span>sparse_eval<T,1,Cols> {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<T>::Scalar _Scalar;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<T>::Index _Index;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">typedef</span> <a class="code" href="classEigen_1_1SparseVector.html">SparseVector<_Scalar, RowMajor, _Index></a> type;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> };</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">template</span><<span class="keyword">typename</span> T,<span class="keywordtype">int</span> Rows> <span class="keyword">struct </span>sparse_eval<T,Rows,1> {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<T>::Scalar _Scalar;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<T>::Index _Index;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">typedef</span> SparseVector<_Scalar, ColMajor, _Index> type;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> };</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">template</span><<span class="keyword">typename</span> T,<span class="keywordtype">int</span> Rows,<span class="keywordtype">int</span> Cols> <span class="keyword">struct </span>sparse_eval {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<T>::Scalar _Scalar;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<T>::Index _Index;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">enum</span> { _Options = ((traits<T>::Flags&<a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a>)==<a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a>) ? <a class="code" href="group__enums.html#gga0c5bde183ecefe103f70b49ad9740bcda1e16fa1b92ed7a058cd4ce7a9a0db044">RowMajor</a> : <a class="code" href="group__enums.html#gga0c5bde183ecefe103f70b49ad9740bcdac86184b0e3be936fbfd20249a057a0bf">ColMajor</a> };</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">typedef</span> SparseMatrix<_Scalar, _Options, _Index> type;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> };</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">struct </span>sparse_eval<T,1,1> {</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<T>::Scalar _Scalar;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">typedef</span> Matrix<_Scalar, 1, 1> type;</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="l00127"></a><span class="lineno"> 127</span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">struct </span>plain_matrix_type<T,Sparse></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<T>::Scalar _Scalar;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<T>::Index _Index;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">enum</span> { _Options = ((traits<T>::Flags&<a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a>)==<a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a>) ? <a class="code" href="group__enums.html#gga0c5bde183ecefe103f70b49ad9740bcda1e16fa1b92ed7a058cd4ce7a9a0db044">RowMajor</a> : <a class="code" href="group__enums.html#gga0c5bde183ecefe103f70b49ad9740bcdac86184b0e3be936fbfd20249a057a0bf">ColMajor</a> };</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">typedef</span> SparseMatrix<_Scalar, _Options, _Index> type;</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> </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> } <span class="comment">// end namespace internal</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="keyword">template</span><<span class="keyword">typename</span> Scalar, <span class="keyword">typename</span> Index=<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>></div>
<div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="classEigen_1_1Triplet.html"> 147</a></span> <span class="keyword">class </span><a class="code" href="classEigen_1_1Triplet.html">Triplet</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="keyword">public</span>:</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="classEigen_1_1Triplet.html">Triplet</a>() : m_row(0), m_col(0), m_value(0) {}</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>  <a class="code" href="classEigen_1_1Triplet.html">Triplet</a>(<span class="keyword">const</span> Index& i, <span class="keyword">const</span> Index& j, <span class="keyword">const</span> Scalar& v = Scalar(0))</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  : m_row(i), m_col(j), m_value(v)</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  {}</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="classEigen_1_1Triplet.html#aac82d1747008a85ad9b40da9812e7379"> 157</a></span>  <span class="keyword">const</span> Index& <a class="code" href="classEigen_1_1Triplet.html#aac82d1747008a85ad9b40da9812e7379">row</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_row; }</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="classEigen_1_1Triplet.html#a5c8deff978911c3cfa7d0aeec07d32d7"> 160</a></span>  <span class="keyword">const</span> Index& <a class="code" href="classEigen_1_1Triplet.html#a5c8deff978911c3cfa7d0aeec07d32d7">col</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_col; }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="classEigen_1_1Triplet.html#a149ff1275c440f4c880b95d7af07cc6a"> 163</a></span>  <span class="keyword">const</span> Scalar& <a class="code" href="classEigen_1_1Triplet.html#a149ff1275c440f4c880b95d7af07cc6a">value</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_value; }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  Index m_row, m_col;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  Scalar m_value;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> };</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> } <span class="comment">// end namespace Eigen</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> <span class="preprocessor">#endif // EIGEN_SPARSEUTIL_H</span></div>
<div class="ttc" id="group__enums_html_gga0c5bde183ecefe103f70b49ad9740bcda1e16fa1b92ed7a058cd4ce7a9a0db044"><div class="ttname"><a href="group__enums.html#gga0c5bde183ecefe103f70b49ad9740bcda1e16fa1b92ed7a058cd4ce7a9a0db044">Eigen::RowMajor</a></div><div class="ttdef"><b>Definition:</b> Constants.h:266</div></div>
<div class="ttc" id="classEigen_1_1Triplet_html_a149ff1275c440f4c880b95d7af07cc6a"><div class="ttname"><a href="classEigen_1_1Triplet.html#a149ff1275c440f4c880b95d7af07cc6a">Eigen::Triplet::value</a></div><div class="ttdeci">const Scalar & value() const </div><div class="ttdef"><b>Definition:</b> SparseUtil.h:163</div></div>
<div class="ttc" id="classEigen_1_1SparseSelfAdjointView_html"><div class="ttname"><a href="classEigen_1_1SparseSelfAdjointView.html">Eigen::SparseSelfAdjointView</a></div><div class="ttdoc">Pseudo expression to manipulate a triangular sparse matrix as a selfadjoint matrix. </div><div class="ttdef"><b>Definition:</b> SparseSelfAdjointView.h:49</div></div>
<div class="ttc" id="group__enums_html_gga0c5bde183ecefe103f70b49ad9740bcdac86184b0e3be936fbfd20249a057a0bf"><div class="ttname"><a href="group__enums.html#gga0c5bde183ecefe103f70b49ad9740bcdac86184b0e3be936fbfd20249a057a0bf">Eigen::ColMajor</a></div><div class="ttdef"><b>Definition:</b> Constants.h:264</div></div>
<div class="ttc" id="classEigen_1_1Triplet_html_a5c8deff978911c3cfa7d0aeec07d32d7"><div class="ttname"><a href="classEigen_1_1Triplet.html#a5c8deff978911c3cfa7d0aeec07d32d7">Eigen::Triplet::col</a></div><div class="ttdeci">const Index & col() const </div><div class="ttdef"><b>Definition:</b> SparseUtil.h:160</div></div>
<div class="ttc" id="classEigen_1_1SparseVector_html"><div class="ttname"><a href="classEigen_1_1SparseVector.html">Eigen::SparseVector</a></div><div class="ttdoc">a sparse vector class </div><div class="ttdef"><b>Definition:</b> SparseUtil.h:73</div></div>
<div class="ttc" id="structEigen_1_1Sparse_html"><div class="ttname"><a href="structEigen_1_1Sparse.html">Eigen::Sparse</a></div><div class="ttdef"><b>Definition:</b> SparseCore:32</div></div>
<div class="ttc" id="classEigen_1_1Triplet_html"><div class="ttname"><a href="classEigen_1_1Triplet.html">Eigen::Triplet</a></div><div class="ttdoc">A small structure to hold a non zero as a triplet (i,j,value). </div><div class="ttdef"><b>Definition:</b> SparseUtil.h:147</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_1MappedSparseMatrix_html"><div class="ttname"><a href="classEigen_1_1MappedSparseMatrix.html">Eigen::MappedSparseMatrix</a></div><div class="ttdoc">Sparse matrix. </div><div class="ttdef"><b>Definition:</b> MappedSparseMatrix.h:31</div></div>
<div class="ttc" id="classEigen_1_1Triplet_html_aac82d1747008a85ad9b40da9812e7379"><div class="ttname"><a href="classEigen_1_1Triplet.html#aac82d1747008a85ad9b40da9812e7379">Eigen::Triplet::row</a></div><div class="ttdeci">const Index & row() const </div><div class="ttdef"><b>Definition:</b> SparseUtil.h:157</div></div>
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