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<div class="title">SparseCwiseBinaryOp.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_SPARSE_CWISE_BINARY_OP_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_SPARSE_CWISE_BINARY_OP_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">// Here we have to handle 3 cases:</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// 1 - sparse op dense</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// 2 - dense op sparse</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 3 - sparse op sparse</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// We also need to implement a 4th iterator for:</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// 4 - dense op dense</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// Finally, we also need to distinguish between the product and other operations :</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// configuration returned mode</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// 1 - sparse op dense product sparse</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// generic dense</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// 2 - dense op sparse product sparse</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// generic dense</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// 3 - sparse op sparse product sparse</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// generic sparse</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// 4 - dense op dense product dense</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// generic dense</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>internal {</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">template</span><> <span class="keyword">struct </span>promote_storage_type<Dense,Sparse></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> { <span class="keyword">typedef</span> Sparse ret; };</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">template</span><> <span class="keyword">struct </span>promote_storage_type<Sparse,Dense></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> { <span class="keyword">typedef</span> Sparse ret; };</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">template</span><<span class="keyword">typename</span> BinaryOp, <span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs, <span class="keyword">typename</span> Derived,</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">typename</span> _LhsStorageMode = <span class="keyword">typename</span> traits<Lhs>::StorageKind,</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">typename</span> _RhsStorageMode = <span class="keyword">typename</span> traits<Rhs>::StorageKind></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">class </span>sparse_cwise_binary_op_inner_iterator_selector;</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="comment">// end namespace internal</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">template</span><<span class="keyword">typename</span> BinaryOp, <span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">class </span>CwiseBinaryOpImpl<BinaryOp, Lhs, Rhs, Sparse></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  : <span class="keyword">public</span> SparseMatrixBase<CwiseBinaryOp<BinaryOp, Lhs, Rhs> ></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>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">class </span>InnerIterator;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">class </span>ReverseInnerIterator;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">typedef</span> CwiseBinaryOp<BinaryOp, Lhs, Rhs> Derived;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  EIGEN_SPARSE_PUBLIC_INTERFACE(Derived)</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  CwiseBinaryOpImpl()</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>  <span class="keyword">typedef</span> <span class="keyword">typename</span> internal::traits<Lhs>::StorageKind LhsStorageKind;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> internal::traits<Rhs>::StorageKind RhsStorageKind;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  EIGEN_STATIC_ASSERT((</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  (!internal::is_same<LhsStorageKind,RhsStorageKind>::value)</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  || ((Lhs::Flags&<a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a>) == (Rhs::Flags&RowMajorBit))),</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  THE_STORAGE_ORDER_OF_BOTH_SIDES_MUST_MATCH);</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> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">template</span><<span class="keyword">typename</span> BinaryOp, <span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">class </span>CwiseBinaryOpImpl<BinaryOp,Lhs,Rhs,Sparse>::InnerIterator</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  : <span class="keyword">public</span> internal::sparse_cwise_binary_op_inner_iterator_selector<BinaryOp,Lhs,Rhs,typename CwiseBinaryOpImpl<BinaryOp,Lhs,Rhs,Sparse>::InnerIterator></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> {</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> Lhs::Index Index;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">typedef</span> internal::sparse_cwise_binary_op_inner_iterator_selector<</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  BinaryOp,Lhs,Rhs, InnerIterator> Base;</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>  EIGEN_STRONG_INLINE InnerIterator(<span class="keyword">const</span> CwiseBinaryOpImpl& binOp, Index outer)</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  : Base(binOp.derived(),outer)</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  {}</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> </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment">/***************************************************************************</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment">* Implementation of inner-iterators</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment">***************************************************************************/</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// template<typename T> struct internal::func_is_conjunction { enum { ret = false }; };</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment">// template<typename T> struct internal::func_is_conjunction<internal::scalar_product_op<T> > { enum { ret = true }; };</span></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> <span class="comment">// TODO generalize the internal::scalar_product_op specialization to all conjunctions if any !</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">namespace </span>internal {</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="comment">// sparse - sparse (generic)</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">template</span><<span class="keyword">typename</span> BinaryOp, <span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs, <span class="keyword">typename</span> Derived></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">class </span>sparse_cwise_binary_op_inner_iterator_selector<BinaryOp, Lhs, Rhs, Derived, Sparse, Sparse></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">typedef</span> CwiseBinaryOp<BinaryOp, Lhs, Rhs> CwiseBinaryXpr;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<CwiseBinaryXpr>::Scalar Scalar;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<CwiseBinaryXpr>::_LhsNested _LhsNested;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<CwiseBinaryXpr>::_RhsNested _RhsNested;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _LhsNested::InnerIterator LhsIterator;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _RhsNested::InnerIterator RhsIterator;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> Lhs::Index Index;</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">public</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>  EIGEN_STRONG_INLINE sparse_cwise_binary_op_inner_iterator_selector(<span class="keyword">const</span> CwiseBinaryXpr& xpr, Index outer)</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  : m_lhsIter(xpr.lhs(),outer), m_rhsIter(xpr.rhs(),outer), m_functor(xpr.functor())</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>  this->operator++();</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  EIGEN_STRONG_INLINE Derived& operator++()</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (m_lhsIter && m_rhsIter && (m_lhsIter.index() == m_rhsIter.index()))</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  m_id = m_lhsIter.index();</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  m_value = m_functor(m_lhsIter.value(), m_rhsIter.value());</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  ++m_lhsIter;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  ++m_rhsIter;</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="keywordflow">else</span> <span class="keywordflow">if</span> (m_lhsIter && (!m_rhsIter || (m_lhsIter.index() < m_rhsIter.index())))</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>  m_id = m_lhsIter.index();</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  m_value = m_functor(m_lhsIter.value(), Scalar(0));</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  ++m_lhsIter;</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="keywordflow">else</span> <span class="keywordflow">if</span> (m_rhsIter && (!m_lhsIter || (m_lhsIter.index() > m_rhsIter.index())))</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>  m_id = m_rhsIter.index();</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  m_value = m_functor(Scalar(0), m_rhsIter.value());</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  ++m_rhsIter;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">else</span></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>  m_value = 0; <span class="comment">// this is to avoid a compilation warning</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  m_id = -1;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">return</span> *<span class="keyword">static_cast<</span>Derived*<span class="keyword">></span>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</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>  EIGEN_STRONG_INLINE Scalar value()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_value; }</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>  EIGEN_STRONG_INLINE Index index()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_id; }</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  EIGEN_STRONG_INLINE Index row()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> Lhs::IsRowMajor ? m_lhsIter.row() : index(); }</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  EIGEN_STRONG_INLINE Index col()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> Lhs::IsRowMajor ? index() : m_lhsIter.col(); }</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>  EIGEN_STRONG_INLINE <span class="keyword">operator</span> bool()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_id>=0; }</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">protected</span>:</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  LhsIterator m_lhsIter;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  RhsIterator m_rhsIter;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">const</span> BinaryOp& m_functor;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  Scalar m_value;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  Index m_id;</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 (product)</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs, <span class="keyword">typename</span> Derived></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="keyword">class </span>sparse_cwise_binary_op_inner_iterator_selector<scalar_product_op<T>, Lhs, Rhs, Derived, Sparse, Sparse></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> {</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">typedef</span> scalar_product_op<T> BinaryFunc;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">typedef</span> CwiseBinaryOp<BinaryFunc, Lhs, Rhs> CwiseBinaryXpr;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> CwiseBinaryXpr::Scalar Scalar;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<CwiseBinaryXpr>::_LhsNested _LhsNested;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _LhsNested::InnerIterator LhsIterator;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<CwiseBinaryXpr>::_RhsNested _RhsNested;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _RhsNested::InnerIterator RhsIterator;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> Lhs::Index Index;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">public</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>  EIGEN_STRONG_INLINE sparse_cwise_binary_op_inner_iterator_selector(<span class="keyword">const</span> CwiseBinaryXpr& xpr, Index outer)</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  : m_lhsIter(xpr.lhs(),outer), m_rhsIter(xpr.rhs(),outer), m_functor(xpr.functor())</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  {</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">while</span> (m_lhsIter && m_rhsIter && (m_lhsIter.index() != m_rhsIter.index()))</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  {</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">if</span> (m_lhsIter.index() < m_rhsIter.index())</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  ++m_lhsIter;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  ++m_rhsIter;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  EIGEN_STRONG_INLINE Derived& operator++()</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>  ++m_lhsIter;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  ++m_rhsIter;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">while</span> (m_lhsIter && m_rhsIter && (m_lhsIter.index() != m_rhsIter.index()))</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  {</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> (m_lhsIter.index() < m_rhsIter.index())</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  ++m_lhsIter;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  ++m_rhsIter;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">return</span> *<span class="keyword">static_cast<</span>Derived*<span class="keyword">></span>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  EIGEN_STRONG_INLINE Scalar value()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_functor(m_lhsIter.value(), m_rhsIter.value()); }</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  EIGEN_STRONG_INLINE Index index()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_lhsIter.index(); }</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  EIGEN_STRONG_INLINE Index row()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_lhsIter.row(); }</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  EIGEN_STRONG_INLINE Index col()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_lhsIter.col(); }</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  EIGEN_STRONG_INLINE <span class="keyword">operator</span> bool()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (m_lhsIter && m_rhsIter); }</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  LhsIterator m_lhsIter;</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  RhsIterator m_rhsIter;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keyword">const</span> BinaryFunc& m_functor;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> };</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment">// sparse - dense (product)</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs, <span class="keyword">typename</span> Derived></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="keyword">class </span>sparse_cwise_binary_op_inner_iterator_selector<scalar_product_op<T>, Lhs, Rhs, Derived, Sparse, Dense></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> {</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">typedef</span> scalar_product_op<T> BinaryFunc;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">typedef</span> CwiseBinaryOp<BinaryFunc, Lhs, Rhs> CwiseBinaryXpr;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> CwiseBinaryXpr::Scalar Scalar;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<CwiseBinaryXpr>::_LhsNested _LhsNested;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<CwiseBinaryXpr>::RhsNested RhsNested;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _LhsNested::InnerIterator LhsIterator;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> Lhs::Index Index;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keyword">enum</span> { IsRowMajor = (int(Lhs::Flags)&<a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a>)==<a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a> };</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  EIGEN_STRONG_INLINE sparse_cwise_binary_op_inner_iterator_selector(<span class="keyword">const</span> CwiseBinaryXpr& xpr, Index outer)</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  : m_rhs(xpr.rhs()), m_lhsIter(xpr.lhs(),outer), m_functor(xpr.functor()), m_outer(outer)</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  {}</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  EIGEN_STRONG_INLINE Derived& operator++()</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  {</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  ++m_lhsIter;</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">return</span> *<span class="keyword">static_cast<</span>Derived*<span class="keyword">></span>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</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>  EIGEN_STRONG_INLINE Scalar value()<span class="keyword"> const</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> m_functor(m_lhsIter.value(),</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  m_rhs.coeff(IsRowMajor?m_outer:m_lhsIter.index(),IsRowMajor?m_lhsIter.index():m_outer)); }</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  EIGEN_STRONG_INLINE Index index()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_lhsIter.index(); }</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  EIGEN_STRONG_INLINE Index row()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_lhsIter.row(); }</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  EIGEN_STRONG_INLINE Index col()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_lhsIter.col(); }</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  EIGEN_STRONG_INLINE <span class="keyword">operator</span> bool()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_lhsIter; }</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  RhsNested m_rhs;</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  LhsIterator m_lhsIter;</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keyword">const</span> BinaryFunc m_functor;</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keyword">const</span> Index m_outer;</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="l00252"></a><span class="lineno"> 252</span> <span class="comment">// sparse - dense (product)</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs, <span class="keyword">typename</span> Derived></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="keyword">class </span>sparse_cwise_binary_op_inner_iterator_selector<scalar_product_op<T>, Lhs, Rhs, Derived, Dense, Sparse></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> {</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keyword">typedef</span> scalar_product_op<T> BinaryFunc;</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">typedef</span> CwiseBinaryOp<BinaryFunc, Lhs, Rhs> CwiseBinaryXpr;</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> CwiseBinaryXpr::Scalar Scalar;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits<CwiseBinaryXpr>::_RhsNested _RhsNested;</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _RhsNested::InnerIterator RhsIterator;</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> Lhs::Index Index;</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keyword">enum</span> { IsRowMajor = (int(Rhs::Flags)&<a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a>)==<a class="code" href="group__flags.html#ga7bd49e7b260e869e10fb9dc4fd081a85">RowMajorBit</a> };</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keyword">public</span>:</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>  EIGEN_STRONG_INLINE sparse_cwise_binary_op_inner_iterator_selector(<span class="keyword">const</span> CwiseBinaryXpr& xpr, Index outer)</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  : m_xpr(xpr), m_rhsIter(xpr.rhs(),outer), m_functor(xpr.functor()), m_outer(outer)</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  {}</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>  EIGEN_STRONG_INLINE Derived& operator++()</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  {</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  ++m_rhsIter;</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">return</span> *<span class="keyword">static_cast<</span>Derived*<span class="keyword">></span>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  EIGEN_STRONG_INLINE Scalar value()<span class="keyword"> const</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> m_functor(m_xpr.lhs().coeff(IsRowMajor?m_outer:m_rhsIter.index(),IsRowMajor?m_rhsIter.index():m_outer), m_rhsIter.value()); }</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  EIGEN_STRONG_INLINE Index index()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_rhsIter.index(); }</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  EIGEN_STRONG_INLINE Index row()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_rhsIter.row(); }</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  EIGEN_STRONG_INLINE Index col()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_rhsIter.col(); }</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  EIGEN_STRONG_INLINE <span class="keyword">operator</span> bool()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_rhsIter; }</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> </div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keyword">const</span> CwiseBinaryXpr& m_xpr;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  RhsIterator m_rhsIter;</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keyword">const</span> BinaryFunc& m_functor;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keyword">const</span> Index m_outer;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> };</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> } <span class="comment">// end namespace internal</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment">/***************************************************************************</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment">* Implementation of SparseMatrixBase and SparseCwise functions/operators</span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment">***************************************************************************/</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="keyword">template</span><<span class="keyword">typename</span> Derived></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="keyword">template</span><<span class="keyword">typename</span> OtherDerived></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> EIGEN_STRONG_INLINE Derived &</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> SparseMatrixBase<Derived>::operator-=(<span class="keyword">const</span> SparseMatrixBase<OtherDerived> &other)</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="keywordflow">return</span> derived() = derived() - other.derived();</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> }</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> </div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="keyword">template</span><<span class="keyword">typename</span> Derived></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="keyword">template</span><<span class="keyword">typename</span> OtherDerived></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> EIGEN_STRONG_INLINE Derived &</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> SparseMatrixBase<Derived>::operator+=(<span class="keyword">const</span> SparseMatrixBase<OtherDerived>& other)</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>  <span class="keywordflow">return</span> derived() = derived() + other.derived();</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> }</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="keyword">template</span><<span class="keyword">typename</span> Derived></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="keyword">template</span><<span class="keyword">typename</span> OtherDerived></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> EIGEN_STRONG_INLINE <span class="keyword">const</span> EIGEN_SPARSE_CWISE_PRODUCT_RETURN_TYPE</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <a class="code" href="classEigen_1_1SparseMatrixBase.html#a2664016e0a9629a181b822539485cfe3">SparseMatrixBase<Derived>::cwiseProduct</a>(<span class="keyword">const</span> MatrixBase<OtherDerived> &other)<span class="keyword"> const</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">return</span> EIGEN_SPARSE_CWISE_PRODUCT_RETURN_TYPE(derived(), other.derived());</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> }</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> } <span class="comment">// end namespace Eigen</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="preprocessor">#endif // EIGEN_SPARSE_CWISE_BINARY_OP_H</span></div>
<div class="ttc" id="classEigen_1_1SparseMatrixBase_html_a2664016e0a9629a181b822539485cfe3"><div class="ttname"><a href="classEigen_1_1SparseMatrixBase.html#a2664016e0a9629a181b822539485cfe3">Eigen::SparseMatrixBase::cwiseProduct</a></div><div class="ttdeci">const CwiseBinaryOp< internal::scalar_product_op< typename Derived::Scalar, typename OtherDerived::Scalar >, const Derived, const OtherDerived > cwiseProduct(const Eigen::SparseMatrixBase< OtherDerived > &other) const </div><div class="ttdef"><b>Definition:</b> SparseMatrixBase.h:23</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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