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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) 2014 Benoit Steiner <[email protected]></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_EMULATE_ARRAY_H</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#define EIGEN_EMULATE_ARRAY_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="comment">// CUDA doesn't support the STL containers, so we use our own instead.</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#if defined(EIGEN_GPUCC) || defined(EIGEN_AVOID_STL_ARRAY)</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceEigen.html">Eigen</a> {</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keywordtype">size_t</span> n> <span class="keyword">class </span>array {</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">typedef</span> T value_type;</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">typedef</span> T* iterator;</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">typedef</span> <span class="keyword">const</span> T* const_iterator;</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> EIGEN_STRONG_INLINE iterator begin() { <span class="keywordflow">return</span> values; }</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> EIGEN_STRONG_INLINE const_iterator begin()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> values; }</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> EIGEN_STRONG_INLINE iterator end() { <span class="keywordflow">return</span> values + n; }</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> EIGEN_STRONG_INLINE const_iterator end()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> values + n; }</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </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="preprocessor">#if !defined(EIGEN_GPUCC)</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">typedef</span> std::reverse_iterator<iterator> reverse_iterator;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">typedef</span> std::reverse_iterator<const_iterator> const_reverse_iterator;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> EIGEN_STRONG_INLINE reverse_iterator rbegin() { <span class="keywordflow">return</span> reverse_iterator(end());}</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> EIGEN_STRONG_INLINE const_reverse_iterator rbegin()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> const_reverse_iterator(end()); }</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> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> EIGEN_STRONG_INLINE reverse_iterator rend() { <span class="keywordflow">return</span> reverse_iterator(begin()); }</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> EIGEN_STRONG_INLINE const_reverse_iterator rend()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> const_reverse_iterator(begin()); }</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="preprocessor">#endif</span></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> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> EIGEN_STRONG_INLINE T& operator[] (<span class="keywordtype">size_t</span> index) { eigen_internal_assert(index < size()); <span class="keywordflow">return</span> values[index]; }</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> EIGEN_STRONG_INLINE <span class="keyword">const</span> T& operator[] (<span class="keywordtype">size_t</span> index)<span class="keyword"> const </span>{ eigen_internal_assert(index < size()); <span class="keywordflow">return</span> values[index]; }</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> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> EIGEN_STRONG_INLINE T& at(<span class="keywordtype">size_t</span> index) { eigen_assert(index < size()); <span class="keywordflow">return</span> values[index]; }</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> EIGEN_STRONG_INLINE <span class="keyword">const</span> T& at(<span class="keywordtype">size_t</span> index)<span class="keyword"> const </span>{ eigen_assert(index < size()); <span class="keywordflow">return</span> values[index]; }</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> EIGEN_STRONG_INLINE T& front() { <span class="keywordflow">return</span> values[0]; }</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> EIGEN_STRONG_INLINE <span class="keyword">const</span> T& front()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> values[0]; }</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> EIGEN_STRONG_INLINE T& back() { <span class="keywordflow">return</span> values[n-1]; }</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> EIGEN_STRONG_INLINE <span class="keyword">const</span> T& back()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> values[n-1]; }</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </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> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">static</span> std::size_t size() { <span class="keywordflow">return</span> n; }</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> T values[n];</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> EIGEN_STRONG_INLINE array() { }</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> EIGEN_STRONG_INLINE array(<span class="keyword">const</span> T& v) {</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> EIGEN_STATIC_ASSERT(n==1, YOU_MADE_A_PROGRAMMING_MISTAKE)</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> values[0] = v;</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> }</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> EIGEN_STRONG_INLINE array(<span class="keyword">const</span> T& v1, <span class="keyword">const</span> T& v2) {</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> EIGEN_STATIC_ASSERT(n==2, YOU_MADE_A_PROGRAMMING_MISTAKE)</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> values[0] = v1;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> values[1] = v2;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> }</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> EIGEN_STRONG_INLINE array(<span class="keyword">const</span> T& v1, <span class="keyword">const</span> T& v2, <span class="keyword">const</span> T& v3) {</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> EIGEN_STATIC_ASSERT(n==3, YOU_MADE_A_PROGRAMMING_MISTAKE)</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> values[0] = v1;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> values[1] = v2;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> values[2] = v3;</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> }</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> EIGEN_STRONG_INLINE array(<span class="keyword">const</span> T& v1, <span class="keyword">const</span> T& v2, <span class="keyword">const</span> T& v3,</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">const</span> T& v4) {</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> EIGEN_STATIC_ASSERT(n==4, YOU_MADE_A_PROGRAMMING_MISTAKE)</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> values[0] = v1;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> values[1] = v2;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> values[2] = v3;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> values[3] = v4;</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> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> EIGEN_STRONG_INLINE array(<span class="keyword">const</span> T& v1, <span class="keyword">const</span> T& v2, <span class="keyword">const</span> T& v3, <span class="keyword">const</span> T& v4,</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keyword">const</span> T& v5) {</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> EIGEN_STATIC_ASSERT(n==5, YOU_MADE_A_PROGRAMMING_MISTAKE)</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> values[0] = v1;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> values[1] = v2;</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> values[2] = v3;</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> values[3] = v4;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> values[4] = v5;</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> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> EIGEN_STRONG_INLINE array(<span class="keyword">const</span> T& v1, <span class="keyword">const</span> T& v2, <span class="keyword">const</span> T& v3, <span class="keyword">const</span> T& v4,</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">const</span> T& v5, <span class="keyword">const</span> T& v6) {</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> EIGEN_STATIC_ASSERT(n==6, YOU_MADE_A_PROGRAMMING_MISTAKE)</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> values[0] = v1;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> values[1] = v2;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> values[2] = v3;</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> values[3] = v4;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> values[4] = v5;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> values[5] = v6;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> }</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> EIGEN_STRONG_INLINE array(<span class="keyword">const</span> T& v1, <span class="keyword">const</span> T& v2, <span class="keyword">const</span> T& v3, <span class="keyword">const</span> T& v4,</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keyword">const</span> T& v5, <span class="keyword">const</span> T& v6, <span class="keyword">const</span> T& v7) {</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> EIGEN_STATIC_ASSERT(n==7, YOU_MADE_A_PROGRAMMING_MISTAKE)</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> values[0] = v1;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> values[1] = v2;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> values[2] = v3;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> values[3] = v4;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> values[4] = v5;</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> values[5] = v6;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> values[6] = v7;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> }</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> EIGEN_STRONG_INLINE array(</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keyword">const</span> T& v1, <span class="keyword">const</span> T& v2, <span class="keyword">const</span> T& v3, <span class="keyword">const</span> T& v4,</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keyword">const</span> T& v5, <span class="keyword">const</span> T& v6, <span class="keyword">const</span> T& v7, <span class="keyword">const</span> T& v8) {</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> EIGEN_STATIC_ASSERT(n==8, YOU_MADE_A_PROGRAMMING_MISTAKE)</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> values[0] = v1;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> values[1] = v2;</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> values[2] = v3;</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> values[3] = v4;</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> values[4] = v5;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> values[5] = v6;</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> values[6] = v7;</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> values[7] = v8;</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> }</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> </div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> EIGEN_STRONG_INLINE array(std::initializer_list<T> l) {</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> eigen_assert(l.size() == n);</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> internal::smart_copy(l.begin(), l.end(), values);</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> }</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span>};</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span><span class="comment">// Specialize array for zero size</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span><span class="keyword">template</span> <<span class="keyword">typename</span> T> <span class="keyword">class </span>array<T, 0> {</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> EIGEN_STRONG_INLINE T& operator[] (<span class="keywordtype">size_t</span>) {</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> eigen_assert(<span class="keyword">false</span> && <span class="stringliteral">"Can't index a zero size array"</span>);</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keywordflow">return</span> dummy;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> }</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> EIGEN_STRONG_INLINE <span class="keyword">const</span> T& operator[] (<span class="keywordtype">size_t</span>)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> eigen_assert(<span class="keyword">false</span> && <span class="stringliteral">"Can't index a zero size array"</span>);</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keywordflow">return</span> dummy;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> }</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> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> EIGEN_STRONG_INLINE T& front() {</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> eigen_assert(<span class="keyword">false</span> && <span class="stringliteral">"Can't index a zero size array"</span>);</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">return</span> dummy;</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> }</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> EIGEN_STRONG_INLINE <span class="keyword">const</span> T& front()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> eigen_assert(<span class="keyword">false</span> && <span class="stringliteral">"Can't index a zero size array"</span>);</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keywordflow">return</span> dummy;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> }</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> EIGEN_STRONG_INLINE T& back() {</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> eigen_assert(<span class="keyword">false</span> && <span class="stringliteral">"Can't index a zero size array"</span>);</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keywordflow">return</span> dummy;</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> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> EIGEN_STRONG_INLINE <span class="keyword">const</span> T& back()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> eigen_assert(<span class="keyword">false</span> && <span class="stringliteral">"Can't index a zero size array"</span>);</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">return</span> dummy;</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> </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">static</span> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE std::size_t size() { <span class="keywordflow">return</span> 0; }</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> </div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> EIGEN_DEVICE_FUNC</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> EIGEN_STRONG_INLINE array() : dummy() { }</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> </div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> EIGEN_DEVICE_FUNC array(std::initializer_list<T> l) : dummy() {</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> EIGEN_UNUSED_VARIABLE(l);</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> eigen_assert(l.size() == 0);</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> }</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> T dummy;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span>};</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> </div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span><span class="comment">// Comparison operator</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span><span class="comment">// Todo: implement !=, <, <=, >, and >=</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span><span class="keyword">template</span><<span class="keyword">class</span> T, std::<span class="keywordtype">size_t</span> N></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span>EIGEN_DEVICE_FUNC <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> array<T,N>& lhs, <span class="keyword">const</span> array<T,N>& rhs) {</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keywordflow">for</span> (std::size_t i = 0; i < N; ++i) {</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">if</span> (lhs[i] != rhs[i]) {</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> }</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> <span class="keywordflow">return</span> <span class="keyword">true</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> </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="keyword">namespace </span>internal {</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span><span class="keyword">template</span><std::<span class="keywordtype">size_t</span> I_, <span class="keyword">class</span> T, std::<span class="keywordtype">size_t</span> N></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span>EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE T& array_get(array<T,N>& a) {</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keywordflow">return</span> a[I_];</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span>}</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span><span class="keyword">template</span><std::<span class="keywordtype">size_t</span> I_, <span class="keyword">class</span> T, std::<span class="keywordtype">size_t</span> N></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span>EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE <span class="keyword">const</span> T& array_get(<span class="keyword">const</span> array<T,N>& a) {</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keywordflow">return</span> a[I_];</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span>}</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span><span class="keyword">template</span><<span class="keyword">class</span> T, std::<span class="keywordtype">size_t</span> N> <span class="keyword">struct </span>array_size<array<T,N> > {</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keyword">enum</span> { value = N };</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span>};</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span><span class="keyword">template</span><<span class="keyword">class</span> T, std::<span class="keywordtype">size_t</span> N> <span class="keyword">struct </span>array_size<array<T,N>& > {</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="keyword">enum</span> { value = N };</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span>};</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span><span class="keyword">template</span><<span class="keyword">class</span> T, std::<span class="keywordtype">size_t</span> N> <span class="keyword">struct </span>array_size<const array<T,N> > {</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keyword">enum</span> { value = N };</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span>};</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span><span class="keyword">template</span><<span class="keyword">class</span> T, std::<span class="keywordtype">size_t</span> N> <span class="keyword">struct </span>array_size<const array<T,N>& > {</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keyword">enum</span> { value = N };</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span>};</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span>} <span class="comment">// end namespace internal</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span>} <span class="comment">// end namespace Eigen</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> </div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span><span class="comment">// The compiler supports c++11, and we're not targeting cuda: use std::array as Eigen::array</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span><span class="preprocessor">#include <array></span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> </div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceEigen.html">Eigen</a> {</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span><span class="keyword">template</span> <<span class="keyword">typename</span> T, std::<span class="keywordtype">size_t</span> N> <span class="keyword">using </span>array = std::array<T, N>;</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> </div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span><span class="keyword">namespace </span>internal {</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span><span class="comment">/* std::get is only constexpr in C++14, not yet in C++11</span></div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span><span class="comment"> * - libstdc++ from version 4.7 onwards has it nevertheless,</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span><span class="comment"> * so use that</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span><span class="comment"> * - libstdc++ older versions: use _M_instance directly</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span><span class="comment"> * - libc++ all versions so far: use __elems_ directly</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span><span class="comment"> * - all other libs: use std::get to be portable, but</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span><span class="comment"> * this may not be constexpr</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span><span class="comment"> */</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span><span class="preprocessor">#if defined(__GLIBCXX__) && __GLIBCXX__ < 20120322</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span><span class="preprocessor">#define STD_GET_ARR_HACK a._M_instance[I_]</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span><span class="preprocessor">#elif defined(_LIBCPP_VERSION)</span></div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span><span class="preprocessor">#define STD_GET_ARR_HACK a.__elems_[I_]</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span><span class="preprocessor">#define STD_GET_ARR_HACK std::template get<I_, T, N>(a)</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> </div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span><span class="keyword">template</span><std::<span class="keywordtype">size_t</span> I_, <span class="keyword">class</span> T, std::<span class="keywordtype">size_t</span> N> <span class="keyword">constexpr</span> <span class="keyword">inline</span> T& array_get(std::array<T,N>& a) { <span class="keywordflow">return</span> (T&) STD_GET_ARR_HACK; }</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span><span class="keyword">template</span><std::<span class="keywordtype">size_t</span> I_, <span class="keyword">class</span> T, std::<span class="keywordtype">size_t</span> N> <span class="keyword">constexpr</span> <span class="keyword">inline</span> T&& array_get(std::array<T,N>&& a) { <span class="keywordflow">return</span> (T&&) STD_GET_ARR_HACK; }</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span><span class="keyword">template</span><std::<span class="keywordtype">size_t</span> I_, <span class="keyword">class</span> T, std::<span class="keywordtype">size_t</span> N> <span class="keyword">constexpr</span> <span class="keyword">inline</span> T <span class="keyword">const</span>& array_get(std::array<T,N> <span class="keyword">const</span>& a) { <span class="keywordflow">return</span> (T <span class="keyword">const</span>&) STD_GET_ARR_HACK; }</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> </div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span><span class="preprocessor">#undef STD_GET_ARR_HACK</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span>} <span class="comment">// end namespace internal</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span>} <span class="comment">// end namespace Eigen</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> </div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> </div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span><span class="preprocessor">#endif </span><span class="comment">// EIGEN_EMULATE_ARRAY_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>
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