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CompressedStorage_8h_source.html
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<div class="fragment"><div class="line"><a id="l00001" 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 id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// for linear algebra.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">//</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// Copyright (C) 2008-2014 Gael Guennebaud <gael.guennebaud@inria.fr></span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
<div class="line"><a id="l00006" 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 id="l00007" 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 id="l00008" 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 id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#ifndef EIGEN_COMPRESSED_STORAGE_H</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#define EIGEN_COMPRESSED_STORAGE_H</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include "./InternalHeaderCheck.h"</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceEigen.html">Eigen</a> { </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="keyword">namespace </span>internal {</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="keyword">template</span><<span class="keyword">typename</span> Scalar_,<span class="keyword">typename</span> StorageIndex_></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="keyword">class </span>CompressedStorage</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span>{</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">typedef</span> Scalar_ Scalar;</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">typedef</span> StorageIndex_ StorageIndex;</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">protected</span>:</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">typedef</span> <span class="keyword">typename</span> NumTraits<Scalar>::Real RealScalar;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> CompressedStorage()</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> : m_values(0), m_indices(0), m_size(0), m_allocatedSize(0)</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> {}</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">explicit</span> CompressedStorage(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> size)</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> : m_values(0), m_indices(0), m_size(0), m_allocatedSize(0)</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> {</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> resize(size);</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> }</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> CompressedStorage(<span class="keyword">const</span> CompressedStorage& other)</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> : m_values(0), m_indices(0), m_size(0), m_allocatedSize(0)</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> {</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> *<span class="keyword">this</span> = other;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> }</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> CompressedStorage& operator=(<span class="keyword">const</span> CompressedStorage& other)</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> {</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> resize(other.size());</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">if</span>(other.size()>0)</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> {</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> internal::smart_copy(other.m_values, other.m_values + m_size, m_values);</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> internal::smart_copy(other.m_indices, other.m_indices + m_size, m_indices);</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> }</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> }</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordtype">void</span> swap(CompressedStorage& other)</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> {</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> std::swap(m_values, other.m_values);</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> std::swap(m_indices, other.m_indices);</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> std::swap(m_size, other.m_size);</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> std::swap(m_allocatedSize, other.m_allocatedSize);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> ~CompressedStorage()</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> {</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> conditional_aligned_delete_auto<Scalar, true>(m_values, m_allocatedSize);</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> conditional_aligned_delete_auto<StorageIndex, true>(m_indices, m_allocatedSize);</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> }</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">void</span> reserve(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> size)</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> {</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> newAllocatedSize = m_size + size;</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">if</span> (newAllocatedSize > m_allocatedSize)</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> reallocate(newAllocatedSize);</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> }</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordtype">void</span> squeeze()</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> {</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">if</span> (m_allocatedSize>m_size)</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> reallocate(m_size);</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> }</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordtype">void</span> resize(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> size, <span class="keywordtype">double</span> reserveSizeFactor = 0)</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> {</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">if</span> (m_allocatedSize<size)</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> {</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> realloc_size = (std::min<Index>)(NumTraits<StorageIndex>::highest(), size + <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a>(reserveSizeFactor*<span class="keywordtype">double</span>(size)));</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">if</span>(realloc_size<size)</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> internal::throw_std_bad_alloc();</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> reallocate(realloc_size);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> }</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> m_size = size;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> }</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordtype">void</span> append(<span class="keyword">const</span> Scalar& v, <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> i)</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> {</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> <span class="keywordtype">id</span> = m_size;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> resize(m_size+1, 1);</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> m_values[id] = v;</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> m_indices[id] = internal::convert_index<StorageIndex>(i);</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> }</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">inline</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> size()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_size; }</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">inline</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> allocatedSize()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_allocatedSize; }</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> clear() { m_size = 0; }</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">const</span> Scalar* valuePtr()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_values; }</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> Scalar* valuePtr() { <span class="keywordflow">return</span> m_values; }</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">const</span> StorageIndex* indexPtr()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_indices; }</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> StorageIndex* indexPtr() { <span class="keywordflow">return</span> m_indices; }</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">inline</span> Scalar& value(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> i) { eigen_internal_assert(m_values!=0); <span class="keywordflow">return</span> m_values[i]; }</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">inline</span> <span class="keyword">const</span> Scalar& value(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> i)<span class="keyword"> const </span>{ eigen_internal_assert(m_values!=0); <span class="keywordflow">return</span> m_values[i]; }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">inline</span> StorageIndex& index(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> i) { eigen_internal_assert(m_indices!=0); <span class="keywordflow">return</span> m_indices[i]; }</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keyword">inline</span> <span class="keyword">const</span> StorageIndex& index(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> i)<span class="keyword"> const </span>{ eigen_internal_assert(m_indices!=0); <span class="keywordflow">return</span> m_indices[i]; }</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keyword">inline</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> searchLowerIndex(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> key)<span class="keyword"> const</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordflow">return</span> searchLowerIndex(0, m_size, key);</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> }</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">inline</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> searchLowerIndex(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> start, <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> end, <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> key)<span class="keyword"> const</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a><span class="keyword">></span>(std::distance(m_indices, std::lower_bound(m_indices + start, m_indices + end, key)));</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> }</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keyword">inline</span> Scalar at(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> key, <span class="keyword">const</span> Scalar& defaultValue = Scalar(0))<span class="keyword"> const</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">if</span> (m_size==0)</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">return</span> defaultValue;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (key==m_indices[m_size-1])</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordflow">return</span> m_values[m_size-1];</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="comment">// ^^ optimization: let's first check if it is the last coefficient</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="comment">// (very common in high level algorithms)</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> <span class="keywordtype">id</span> = searchLowerIndex(0,m_size-1,key);</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keywordflow">return</span> ((<span class="keywordtype">id</span><m_size) && (m_indices[<span class="keywordtype">id</span>]==key)) ? m_values[id] : defaultValue;</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> }</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keyword">inline</span> Scalar atInRange(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> start, <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> end, <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> key, <span class="keyword">const</span> Scalar &defaultValue = Scalar(0))<span class="keyword"> const</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordflow">if</span> (start>=end)</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">return</span> defaultValue;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (end>start && key==m_indices[end-1])</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">return</span> m_values[end-1];</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="comment">// ^^ optimization: let's first check if it is the last coefficient</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="comment">// (very common in high level algorithms)</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> <span class="keywordtype">id</span> = searchLowerIndex(start,end-1,key);</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordflow">return</span> ((<span class="keywordtype">id</span><end) && (m_indices[<span class="keywordtype">id</span>]==key)) ? m_values[id] : defaultValue;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> }</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keyword">inline</span> Scalar& atWithInsertion(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> key, <span class="keyword">const</span> Scalar& defaultValue = Scalar(0))</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> {</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> <span class="keywordtype">id</span> = searchLowerIndex(0,m_size,key);</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordflow">if</span> (<span class="keywordtype">id</span>>=m_size || m_indices[<span class="keywordtype">id</span>]!=key)</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> {</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">if</span> (m_allocatedSize<m_size+1)</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> {</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> newAllocatedSize = 2 * (m_size + 1);</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> m_values = conditional_aligned_realloc_new_auto<Scalar, true>(m_values, newAllocatedSize, m_allocatedSize);</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> m_indices =</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> conditional_aligned_realloc_new_auto<StorageIndex, true>(m_indices, newAllocatedSize, m_allocatedSize);</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> m_allocatedSize = newAllocatedSize;</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> }</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keywordflow">if</span>(m_size><span class="keywordtype">id</span>)</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> {</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> internal::smart_memmove(m_values +<span class="keywordtype">id</span>, m_values +m_size, m_values +<span class="keywordtype">id</span>+1);</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> internal::smart_memmove(m_indices+<span class="keywordtype">id</span>, m_indices+m_size, m_indices+<span class="keywordtype">id</span>+1);</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> }</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> m_size++;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> m_indices[id] = internal::convert_index<StorageIndex>(key);</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> m_values[id] = defaultValue;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> }</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordflow">return</span> m_values[id];</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> }</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> moveChunk(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> from, <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> to, <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> chunkSize)</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> {</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> eigen_internal_assert(chunkSize >= 0 && to+chunkSize <= m_size);</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> internal::smart_memmove(m_values + from, m_values + from + chunkSize, m_values + to);</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> internal::smart_memmove(m_indices + from, m_indices + from + chunkSize, m_indices + to);</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> }</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">protected</span>:</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> reallocate(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> size)</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> {</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span><span class="preprocessor"> #ifdef EIGEN_SPARSE_COMPRESSED_STORAGE_REALLOCATE_PLUGIN</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> EIGEN_SPARSE_COMPRESSED_STORAGE_REALLOCATE_PLUGIN</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span><span class="preprocessor"> #endif</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> eigen_internal_assert(size!=m_allocatedSize);</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> m_values = conditional_aligned_realloc_new_auto<Scalar, true>(m_values, size, m_allocatedSize);</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> m_indices = conditional_aligned_realloc_new_auto<StorageIndex, true>(m_indices, size, m_allocatedSize);</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> m_allocatedSize = size;</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> }</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keyword">protected</span>:</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> Scalar* m_values;</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> StorageIndex* m_indices;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> m_size;</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> m_allocatedSize;</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> </div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span>};</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> </div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span>} <span class="comment">// end namespace internal</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span>} <span class="comment">// end namespace Eigen</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span><span class="preprocessor">#endif </span><span class="comment">// EIGEN_COMPRESSED_STORAGE_H</span></div>
<div class="ttc" id="anamespaceEigen_html"><div class="ttname"><a href="namespaceEigen.html">Eigen</a></div><div class="ttdoc">Namespace containing all symbols from the Eigen library.</div><div class="ttdef"><b>Definition</b> Core:139</div></div>
<div class="ttc" id="anamespaceEigen_html_a62e77e0933482dafde8fe197d9a2cfde"><div class="ttname"><a href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Eigen::Index</a></div><div class="ttdeci">EIGEN_DEFAULT_DENSE_INDEX_TYPE Index</div><div class="ttdoc">The Index type as used for the API.</div><div class="ttdef"><b>Definition</b> Meta.h:82</div></div>
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