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<div class="title">SparseProduct.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) 2008-2010 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_SPARSEPRODUCT_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_SPARSEPRODUCT_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="keyword">template</span><<span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">struct </span>SparseSparseProductReturnType</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> {</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> internal::traits<Lhs>::Scalar Scalar;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  LhsRowMajor = internal::traits<Lhs>::Flags & <a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a>,</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  RhsRowMajor = internal::traits<Rhs>::Flags & <a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a>,</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  TransposeRhs = (!LhsRowMajor) && RhsRowMajor,</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  TransposeLhs = LhsRowMajor && (!RhsRowMajor)</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> </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> internal::conditional<TransposeLhs,</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  SparseMatrix<Scalar,0>,</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">typename</span> internal::nested<Lhs,Rhs::RowsAtCompileTime>::type>::type LhsNested;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> internal::conditional<TransposeRhs,</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  SparseMatrix<Scalar,0>,</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">typename</span> internal::nested<Rhs,Lhs::RowsAtCompileTime>::type>::type RhsNested;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">typedef</span> SparseSparseProduct<LhsNested, RhsNested> Type;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> };</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">template</span><<span class="keyword">typename</span> LhsNested, <span class="keyword">typename</span> RhsNested></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">struct </span>traits<SparseSparseProduct<LhsNested, RhsNested> ></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">typedef</span> MatrixXpr XprKind;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">// clean the nested types:</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> remove_all<LhsNested>::type _LhsNested;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> remove_all<RhsNested>::type _RhsNested;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _LhsNested::Scalar Scalar;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> promote_index_type<typename traits<_LhsNested>::Index,</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">typename</span> traits<_RhsNested>::Index>::type Index;</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="keyword">enum</span> {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  LhsCoeffReadCost = _LhsNested::CoeffReadCost,</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  RhsCoeffReadCost = _RhsNested::CoeffReadCost,</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  LhsFlags = _LhsNested::Flags,</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  RhsFlags = _RhsNested::Flags,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  RowsAtCompileTime = _LhsNested::RowsAtCompileTime,</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  ColsAtCompileTime = _RhsNested::ColsAtCompileTime,</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  MaxRowsAtCompileTime = _LhsNested::MaxRowsAtCompileTime,</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  MaxColsAtCompileTime = _RhsNested::MaxColsAtCompileTime,</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  InnerSize = EIGEN_SIZE_MIN_PREFER_FIXED(_LhsNested::ColsAtCompileTime, _RhsNested::RowsAtCompileTime),</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  EvalToRowMajor = (RhsFlags & LhsFlags & <a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a>),</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  RemovedBits = ~(EvalToRowMajor ? 0 : <a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a>),</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>  Flags = (int(LhsFlags | RhsFlags) & HereditaryBits & RemovedBits)</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  | <a class="code" href="group__flags.html#gadc8925e67a5a54bd479d6f587112e19a">EvalBeforeAssigningBit</a></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  | <a class="code" href="group__flags.html#gaf8ad6e2956f7368b8e3f7407e2319e63">EvalBeforeNestingBit</a>,</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>  CoeffReadCost = <a class="code" href="namespaceEigen.html#adc9da5be31bdce40c25a92c27999c0e3">Dynamic</a></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">typedef</span> Sparse StorageKind;</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> </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> } <span class="comment">// end namespace internal</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">template</span><<span class="keyword">typename</span> LhsNested, <span class="keyword">typename</span> RhsNested></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">class </span>SparseSparseProduct : internal::no_assignment_operator,</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">public</span> SparseMatrixBase<SparseSparseProduct<LhsNested, RhsNested> ></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>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">typedef</span> SparseMatrixBase<SparseSparseProduct> Base;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  EIGEN_DENSE_PUBLIC_INTERFACE(SparseSparseProduct)</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  private:</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>  typedef typename internal::traits<SparseSparseProduct>::_LhsNested _LhsNested;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  typedef typename internal::traits<SparseSparseProduct>::_RhsNested _RhsNested;</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>  public:</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  template<typename Lhs, typename Rhs></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  EIGEN_STRONG_INLINE SparseSparseProduct(const Lhs& lhs, const Rhs& rhs)</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  : m_lhs(lhs), m_rhs(rhs), m_tolerance(0), m_conservative(true)</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>  init();</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  EIGEN_STRONG_INLINE SparseSparseProduct(<span class="keyword">const</span> Lhs& lhs, <span class="keyword">const</span> Rhs& rhs, <span class="keyword">const</span> RealScalar& tolerance)</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  : m_lhs(lhs), m_rhs(rhs), m_tolerance(tolerance), m_conservative(false)</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>  init();</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  SparseSparseProduct pruned(<span class="keyword">const</span> Scalar& reference = 0, <span class="keyword">const</span> RealScalar& epsilon = NumTraits<RealScalar>::dummy_precision())<span class="keyword"> const</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">using</span> std::abs;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">return</span> SparseSparseProduct(m_lhs,m_rhs,abs(reference)*epsilon);</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> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Dest></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">void</span> evalTo(Dest& result)<span class="keyword"> const</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span>(m_conservative)</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  internal::conservative_sparse_sparse_product_selector<_LhsNested, _RhsNested, Dest>::run(lhs(),rhs(),result);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  internal::sparse_sparse_product_with_pruning_selector<_LhsNested, _RhsNested, Dest>::run(lhs(),rhs(),result,m_tolerance);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  EIGEN_STRONG_INLINE Index rows()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_lhs.rows(); }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  EIGEN_STRONG_INLINE Index cols()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_rhs.cols(); }</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>  EIGEN_STRONG_INLINE <span class="keyword">const</span> _LhsNested& lhs()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_lhs; }</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  EIGEN_STRONG_INLINE <span class="keyword">const</span> _RhsNested& rhs()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_rhs; }</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">protected</span>:</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordtype">void</span> init()</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  {</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  eigen_assert(m_lhs.cols() == m_rhs.rows());</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  ProductIsValid = _LhsNested::ColsAtCompileTime==<a class="code" href="namespaceEigen.html#adc9da5be31bdce40c25a92c27999c0e3">Dynamic</a></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  || _RhsNested::RowsAtCompileTime==<a class="code" href="namespaceEigen.html#adc9da5be31bdce40c25a92c27999c0e3">Dynamic</a></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  || int(_LhsNested::ColsAtCompileTime)==int(_RhsNested::RowsAtCompileTime),</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  AreVectors = _LhsNested::IsVectorAtCompileTime && _RhsNested::IsVectorAtCompileTime,</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  SameSizes = EIGEN_PREDICATE_SAME_MATRIX_SIZE(_LhsNested,_RhsNested)</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>  <span class="comment">// note to the lost user:</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// * for a dot product use: v1.dot(v2)</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// * for a coeff-wise product use: v1.cwise()*v2</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  EIGEN_STATIC_ASSERT(ProductIsValid || !(AreVectors && SameSizes),</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  INVALID_VECTOR_VECTOR_PRODUCT__IF_YOU_WANTED_A_DOT_OR_COEFF_WISE_PRODUCT_YOU_MUST_USE_THE_EXPLICIT_FUNCTIONS)</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  EIGEN_STATIC_ASSERT(ProductIsValid || !(SameSizes && !AreVectors),</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  INVALID_MATRIX_PRODUCT__IF_YOU_WANTED_A_COEFF_WISE_PRODUCT_YOU_MUST_USE_THE_EXPLICIT_FUNCTION)</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  EIGEN_STATIC_ASSERT(ProductIsValid || SameSizes, INVALID_MATRIX_PRODUCT)</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  LhsNested m_lhs;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  RhsNested m_rhs;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  RealScalar m_tolerance;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">bool</span> m_conservative;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> };</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment">// sparse = sparse * sparse</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> template<typename Derived></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> template<typename Lhs, typename Rhs></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> inline Derived& SparseMatrixBase<Derived>::operator=(const SparseSparseProduct<Lhs,Rhs>& product)</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  product.evalTo(derived());</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">return</span> derived();</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> }</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">template</span><<span class="keyword">typename</span> Derived></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="keyword">template</span><<span class="keyword">typename</span> OtherDerived></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">inline</span> <span class="keyword">const</span> <span class="keyword">typename</span> SparseSparseProductReturnType<Derived,OtherDerived>::Type</div>
<div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="classEigen_1_1SparseMatrixBase.html#ae7d7083917427445e50f3c4b5bf8ba6a"> 180</a></span> <a class="code" href="classEigen_1_1SparseMatrixBase.html#ae8ab11fb1ef0822aa61527f7ecd77b9d">SparseMatrixBase<Derived>::operator*</a>(<span class="keyword">const</span> <a class="code" href="classEigen_1_1SparseMatrixBase.html">SparseMatrixBase<OtherDerived></a> &other)<span class="keyword"> const</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">return</span> <span class="keyword">typename</span> SparseSparseProductReturnType<Derived,OtherDerived>::Type(derived(), other.<a class="code" href="structEigen_1_1EigenBase.html#aa84222add803ad7c9db07dd4dd91d5d9">derived</a>());</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="comment">// end namespace Eigen</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor">#endif // EIGEN_SPARSEPRODUCT_H</span></div>
<div class="ttc" id="group__flags_html_gaf8ad6e2956f7368b8e3f7407e2319e63"><div class="ttname"><a href="group__flags.html#gaf8ad6e2956f7368b8e3f7407e2319e63">Eigen::EvalBeforeNestingBit</a></div><div class="ttdeci">const unsigned int EvalBeforeNestingBit</div><div class="ttdef"><b>Definition:</b> Constants.h:58</div></div>
<div class="ttc" id="namespaceEigen_html_adc9da5be31bdce40c25a92c27999c0e3"><div class="ttname"><a href="namespaceEigen.html#adc9da5be31bdce40c25a92c27999c0e3">Eigen::Dynamic</a></div><div class="ttdeci">const int Dynamic</div><div class="ttdef"><b>Definition:</b> Constants.h:21</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="classEigen_1_1SparseMatrixBase_html_ae8ab11fb1ef0822aa61527f7ecd77b9d"><div class="ttname"><a href="classEigen_1_1SparseMatrixBase.html#ae8ab11fb1ef0822aa61527f7ecd77b9d">Eigen::SparseMatrixBase::operator*</a></div><div class="ttdeci">const ScalarMultipleReturnType operator*(const Scalar &scalar) const </div><div class="ttdef"><b>Definition:</b> SparseMatrixBase.h:50</div></div>
<div class="ttc" id="group__flags_html_gadc8925e67a5a54bd479d6f587112e19a"><div class="ttname"><a href="group__flags.html#gadc8925e67a5a54bd479d6f587112e19a">Eigen::EvalBeforeAssigningBit</a></div><div class="ttdeci">const unsigned int EvalBeforeAssigningBit</div><div class="ttdef"><b>Definition:</b> Constants.h:63</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>
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