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ForceAlignedAccess_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) 2009-2010 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_FORCEALIGNEDACCESS_H</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#define EIGEN_FORCEALIGNEDACCESS_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="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="keyword">namespace </span>internal {</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">template</span><<span class="keyword">typename</span> ExpressionType></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="keyword">struct </span>traits<ForceAlignedAccess<ExpressionType> > : <span class="keyword">public</span> traits<ExpressionType></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> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"><a class="line" href="classEigen_1_1ForceAlignedAccess.html"> 36</a></span><span class="keyword">template</span><<span class="keyword">typename</span> ExpressionType> <span class="keyword">class </span><a class="code hl_class" href="classEigen_1_1ForceAlignedAccess.html">ForceAlignedAccess</a></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> : <span class="keyword">public</span> internal::dense_xpr_base< ForceAlignedAccess<ExpressionType> >::type</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> <span class="keyword">public</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">typedef</span> <span class="keyword">typename</span> internal::dense_xpr_base<ForceAlignedAccess>::type Base;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> EIGEN_DENSE_PUBLIC_INTERFACE(<a class="code hl_class" href="classEigen_1_1ForceAlignedAccess.html">ForceAlignedAccess</a>)</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 <span class="keyword">explicit</span> <span class="keyword">inline</span> <a class="code hl_class" href="classEigen_1_1ForceAlignedAccess.html">ForceAlignedAccess</a>(<span class="keyword">const</span> ExpressionType& matrix) : m_expression(matrix) {}</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> EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">inline</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> rows() <span class="keyword">const</span> EIGEN_NOEXCEPT { <span class="keywordflow">return</span> m_expression.rows(); }</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">inline</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> cols() <span class="keyword">const</span> EIGEN_NOEXCEPT { <span class="keywordflow">return</span> m_expression.cols(); }</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">inline</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> outerStride() <span class="keyword">const</span> EIGEN_NOEXCEPT { <span class="keywordflow">return</span> m_expression.outerStride(); }</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">inline</span> <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> innerStride() <span class="keyword">const</span> EIGEN_NOEXCEPT { <span class="keywordflow">return</span> m_expression.innerStride(); }</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 <span class="keyword">inline</span> <span class="keyword">const</span> CoeffReturnType coeff(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> row, <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> col)<span class="keyword"> const</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">return</span> m_expression.coeff(row, col);</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> }</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 <span class="keyword">inline</span> Scalar& coeffRef(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> row, <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> col)</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> {</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">return</span> m_expression.const_cast_derived().coeffRef(row, col);</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> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> EIGEN_DEVICE_FUNC <span class="keyword">inline</span> <span class="keyword">const</span> CoeffReturnType coeff(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> index)<span class="keyword"> const</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">return</span> m_expression.coeff(index);</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</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> EIGEN_DEVICE_FUNC <span class="keyword">inline</span> Scalar& coeffRef(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> index)</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> <span class="keywordflow">return</span> m_expression.const_cast_derived().coeffRef(index);</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> </div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">template</span><<span class="keywordtype">int</span> LoadMode></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">inline</span> <span class="keyword">const</span> PacketScalar packet(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> row, <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> col)<span class="keyword"> const</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">return</span> m_expression.template packet<Aligned>(row, col);</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> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">template</span><<span class="keywordtype">int</span> LoadMode></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> writePacket(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> row, <a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> col, <span class="keyword">const</span> PacketScalar& x)</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> m_expression.const_cast_derived().template writePacket<Aligned>(row, col, x);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> }</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="keyword">template</span><<span class="keywordtype">int</span> LoadMode></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">inline</span> <span class="keyword">const</span> PacketScalar packet(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> index)<span class="keyword"> const</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">return</span> m_expression.template packet<Aligned>(index);</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> }</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="keyword">template</span><<span class="keywordtype">int</span> LoadMode></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> writePacket(<a class="code hl_typedef" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> index, <span class="keyword">const</span> PacketScalar& x)</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> m_expression.const_cast_derived().template writePacket<Aligned>(index, x);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> }</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> EIGEN_DEVICE_FUNC <span class="keyword">operator</span> <span class="keyword">const</span> ExpressionType&() <span class="keyword">const</span> { <span class="keywordflow">return</span> m_expression; }</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">protected</span>:</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">const</span> ExpressionType& m_expression;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <a class="code hl_class" href="classEigen_1_1ForceAlignedAccess.html">ForceAlignedAccess</a>& operator=(<span class="keyword">const</span> <a class="code hl_class" href="classEigen_1_1ForceAlignedAccess.html">ForceAlignedAccess</a>&);</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span>};</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span><span class="keyword">template</span><<span class="keyword">typename</span> Derived></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span><span class="keyword">inline</span> <span class="keyword">const</span> <a class="code hl_class" href="classEigen_1_1ForceAlignedAccess.html">ForceAlignedAccess<Derived></a></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span><a class="code hl_class" href="classEigen_1_1MatrixBase.html">MatrixBase<Derived>::forceAlignedAccess</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classEigen_1_1ForceAlignedAccess.html">ForceAlignedAccess<Derived></a>(derived());</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span>}</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="keyword">template</span><<span class="keyword">typename</span> Derived></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span><span class="keyword">inline</span> ForceAlignedAccess<Derived></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span>MatrixBase<Derived>::forceAlignedAccess()</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span>{</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordflow">return</span> ForceAlignedAccess<Derived>(derived());</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span>}</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span><span class="keyword">template</span><<span class="keyword">typename</span> Derived></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span><span class="keyword">template</span><<span class="keywordtype">bool</span> Enable></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span><span class="keyword">inline</span> add_const_on_value_type_t<std::conditional_t<Enable,ForceAlignedAccess<Derived>,Derived&>></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"><a class="line" href="classEigen_1_1MatrixBase.html#afd24a78d7cfde65fd390e158cabd2d62"> 134</a></span><a class="code hl_class" href="classEigen_1_1MatrixBase.html">MatrixBase<Derived>::forceAlignedAccessIf</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keywordflow">return</span> derived(); <span class="comment">// FIXME This should not work but apparently is never used</span></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> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span><span class="keyword">template</span><<span class="keyword">typename</span> Derived></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span><span class="keyword">template</span><<span class="keywordtype">bool</span> Enable></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span><span class="keyword">inline</span> std::conditional_t<Enable,ForceAlignedAccess<Derived>,Derived&></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"><a class="line" href="classEigen_1_1MatrixBase.html#a98ccc0af9b42a7ce54afb9224430752f"> 145</a></span><a class="code hl_class" href="classEigen_1_1MatrixBase.html">MatrixBase<Derived>::forceAlignedAccessIf</a>()</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span>{</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">return</span> derived(); <span class="comment">// FIXME This should not work but apparently is never used</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span>}</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span>} <span class="comment">// end namespace Eigen</span></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><span class="preprocessor">#endif </span><span class="comment">// EIGEN_FORCEALIGNEDACCESS_H</span></div>
<div class="ttc" id="aclassEigen_1_1ForceAlignedAccess_html"><div class="ttname"><a href="classEigen_1_1ForceAlignedAccess.html">Eigen::ForceAlignedAccess</a></div><div class="ttdoc">Enforce aligned packet loads and stores regardless of what is requested.</div><div class="ttdef"><b>Definition</b> ForceAlignedAccess.h:38</div></div>
<div class="ttc" id="aclassEigen_1_1MatrixBase_html"><div class="ttname"><a href="classEigen_1_1MatrixBase.html">Eigen::MatrixBase</a></div><div class="ttdoc">Base class for all dense matrices, vectors, and expressions.</div><div class="ttdef"><b>Definition</b> MatrixBase.h:52</div></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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