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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_COMPRESSED_STORAGE_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_COMPRESSED_STORAGE_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">namespace </span>internal {</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">template</span><<span class="keyword">typename</span> _Scalar,<span class="keyword">typename</span> _Index></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">class </span>CompressedStorage</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> {</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keyword">public</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> _Scalar Scalar;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">typedef</span> _Index Index;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> NumTraits<Scalar>::Real RealScalar;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  CompressedStorage()</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  : m_values(0), m_indices(0), m_size(0), m_allocatedSize(0)</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  {}</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  CompressedStorage(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  : m_values(0), m_indices(0), m_size(0), m_allocatedSize(0)</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  resize(size);</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  CompressedStorage(<span class="keyword">const</span> CompressedStorage& other)</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  : m_values(0), m_indices(0), m_size(0), m_allocatedSize(0)</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  {</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  *<span class="keyword">this</span> = other;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</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>  CompressedStorage& operator=(<span class="keyword">const</span> CompressedStorage& other)</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  resize(other.size());</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  memcpy(m_values, other.m_values, m_size * <span class="keyword">sizeof</span>(Scalar));</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  memcpy(m_indices, other.m_indices, m_size * <span class="keyword">sizeof</span>(Index));</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">void</span> swap(CompressedStorage& other)</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  {</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  std::swap(m_values, other.m_values);</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  std::swap(m_indices, other.m_indices);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  std::swap(m_size, other.m_size);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  std::swap(m_allocatedSize, other.m_allocatedSize);</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>  ~CompressedStorage()</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">delete</span>[] m_values;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">delete</span>[] m_indices;</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="keywordtype">void</span> reserve(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">size_t</span> newAllocatedSize = m_size + size;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (newAllocatedSize > m_allocatedSize)</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  reallocate(newAllocatedSize);</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>  <span class="keywordtype">void</span> squeeze()</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="keywordflow">if</span> (m_allocatedSize>m_size)</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  reallocate(m_size);</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> </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">void</span> resize(<span class="keywordtype">size_t</span> size, <span class="keywordtype">float</span> reserveSizeFactor = 0)</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="keywordflow">if</span> (m_allocatedSize<size)</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  reallocate(size + <span class="keywordtype">size_t</span>(reserveSizeFactor*size));</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  m_size = size;</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> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">void</span> append(<span class="keyword">const</span> Scalar& v, Index i)</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  Index <span class="keywordtype">id</span> = <span class="keyword">static_cast<</span>Index<span class="keyword">></span>(m_size);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  resize(m_size+1, 1);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  m_values[id] = v;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  m_indices[id] = i;</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">inline</span> <span class="keywordtype">size_t</span> size()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_size; }</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">inline</span> <span class="keywordtype">size_t</span> allocatedSize()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_allocatedSize; }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> clear() { m_size = 0; }</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>  <span class="keyword">inline</span> Scalar& value(<span class="keywordtype">size_t</span> i) { <span class="keywordflow">return</span> m_values[i]; }</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">inline</span> <span class="keyword">const</span> Scalar& value(<span class="keywordtype">size_t</span> i)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_values[i]; }</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>  <span class="keyword">inline</span> Index& index(<span class="keywordtype">size_t</span> i) { <span class="keywordflow">return</span> m_indices[i]; }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">inline</span> <span class="keyword">const</span> Index& index(<span class="keywordtype">size_t</span> i)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_indices[i]; }</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>  <span class="keyword">static</span> CompressedStorage Map(Index* indices, Scalar* values, <span class="keywordtype">size_t</span> size)</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>  CompressedStorage res;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  res.m_indices = indices;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  res.m_values = values;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  res.m_allocatedSize = res.m_size = size;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">inline</span> Index searchLowerIndex(Index key)<span class="keyword"> const</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> searchLowerIndex(0, m_size, key);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">inline</span> Index searchLowerIndex(<span class="keywordtype">size_t</span> start, <span class="keywordtype">size_t</span> end, Index key)<span class="keyword"> const</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">while</span>(end>start)</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">size_t</span> mid = (end+start)>>1;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (m_indices[mid]<key)</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  start = mid+1;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  end = mid;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Index<span class="keyword">></span>(start);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">inline</span> Scalar at(Index key, <span class="keyword">const</span> Scalar& defaultValue = Scalar(0))<span class="keyword"> const</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> (m_size==0)</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> defaultValue;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (key==m_indices[m_size-1])</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">return</span> m_values[m_size-1];</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// ^^ optimization: let's first check if it is the last coefficient</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// (very common in high level algorithms)</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> <span class="keywordtype">id</span> = searchLowerIndex(0,m_size-1,key);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</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 name="l00152"></a><span class="lineno"> 152</span>  }</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">inline</span> Scalar atInRange(<span class="keywordtype">size_t</span> start, <span class="keywordtype">size_t</span> end, Index key, <span class="keyword">const</span> Scalar& defaultValue = Scalar(0))<span class="keyword"> const</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (start>=end)</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> Scalar(0);</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (end>start && key==m_indices[end-1])</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">return</span> m_values[end-1];</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="comment">// ^^ optimization: let's first check if it is the last coefficient</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">// (very common in high level algorithms)</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> <span class="keywordtype">id</span> = searchLowerIndex(start,end-1,key);</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</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 name="l00165"></a><span class="lineno"> 165</span>  }</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">inline</span> Scalar& atWithInsertion(Index key, <span class="keyword">const</span> Scalar& defaultValue = Scalar(0))</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  {</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">size_t</span> <span class="keywordtype">id</span> = searchLowerIndex(0,m_size,key);</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</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 name="l00174"></a><span class="lineno"> 174</span>  {</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  resize(m_size+1,1);</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> j=m_size-1; j>id; --j)</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  {</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  m_indices[j] = m_indices[j-1];</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  m_values[j] = m_values[j-1];</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>  m_indices[id] = key;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  m_values[id] = defaultValue;</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>  <span class="keywordflow">return</span> m_values[id];</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</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="keywordtype">void</span> prune(<span class="keyword">const</span> Scalar& reference, <span class="keyword">const</span> RealScalar& epsilon = NumTraits<RealScalar>::dummy_precision())</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="keywordtype">size_t</span> k = 0;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">size_t</span> n = size();</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i<n; ++i)</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  {</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">if</span> (!internal::isMuchSmallerThan(value(i), reference, epsilon))</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  value(k) = value(i);</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  index(k) = index(i);</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  ++k;</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>  }</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  resize(k,0);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  }</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>  <span class="keyword">protected</span>:</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">inline</span> <span class="keywordtype">void</span> reallocate(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  {</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  Scalar* newValues = <span class="keyword">new</span> Scalar[size];</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  Index* newIndices = <span class="keyword">new</span> Index[size];</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordtype">size_t</span> copySize = (std::min)(size, m_size);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">// copy</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  internal::smart_copy(m_values, m_values+copySize, newValues);</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  internal::smart_copy(m_indices, m_indices+copySize, newIndices);</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment">// delete old stuff</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">delete</span>[] m_values;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">delete</span>[] m_indices;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  m_values = newValues;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  m_indices = newIndices;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  m_allocatedSize = size;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  Scalar* m_values;</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  Index* m_indices;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordtype">size_t</span> m_size;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordtype">size_t</span> m_allocatedSize;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </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> } <span class="comment">// end namespace internal</span></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> } <span class="comment">// end namespace Eigen</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="preprocessor">#endif // EIGEN_COMPRESSED_STORAGE_H</span></div>
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