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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) 2009 Gael Guennebaud <gael.guennebaud@inria.fr></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// Copyright (C) 2009 Hauke Heibel <hauke.heibel@googlemail.com></span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// This Source Code Form is subject to the terms of the Mozilla</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</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="l00009"></a><span class="lineno"> 9</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="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#ifndef EIGEN_STL_DETAILS_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_STL_DETAILS_H</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#ifndef EIGEN_ALIGNED_ALLOCATOR</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_ALIGNED_ALLOCATOR Eigen::aligned_allocator</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span>Eigen {</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="comment">// This one is needed to prevent reimplementing the whole std::vector.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">class </span>aligned_allocator_indirection : <span class="keyword">public</span> EIGEN_ALIGNED_ALLOCATOR<T></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>  <span class="keyword">typedef</span> <span class="keywordtype">size_t</span> size_type;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">typedef</span> ptrdiff_t difference_type;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">typedef</span> T* pointer;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">typedef</span> <span class="keyword">const</span> T* const_pointer;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">typedef</span> T& reference;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">typedef</span> <span class="keyword">const</span> T& const_reference;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">typedef</span> T value_type;</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">template</span><<span class="keyword">class</span> U></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">struct </span>rebind</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  {</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">typedef</span> aligned_allocator_indirection<U> other;</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>  aligned_allocator_indirection() {}</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  aligned_allocator_indirection(<span class="keyword">const</span> aligned_allocator_indirection& ) : EIGEN_ALIGNED_ALLOCATOR<T>() {}</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  aligned_allocator_indirection(<span class="keyword">const</span> EIGEN_ALIGNED_ALLOCATOR<T>& ) {}</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">template</span><<span class="keyword">class</span> U></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  aligned_allocator_indirection(<span class="keyword">const</span> aligned_allocator_indirection<U>& ) {}</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">template</span><<span class="keyword">class</span> U></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  aligned_allocator_indirection(<span class="keyword">const</span> EIGEN_ALIGNED_ALLOCATOR<U>& ) {}</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  ~aligned_allocator_indirection() {}</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> </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#ifdef _MSC_VER</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// sometimes, MSVC detects, at compile time, that the argument x</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// in std::vector::resize(size_t s,T x) won't be aligned and generate an error</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">// even if this function is never called. Whence this little wrapper.</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#define EIGEN_WORKAROUND_MSVC_STL_SUPPORT(T) \</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"> typename Eigen::internal::conditional< \</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"> Eigen::internal::is_arithmetic<T>::value, \</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"> T, \</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"> Eigen::internal::workaround_msvc_stl_support<T> \</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"> >::type</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">struct </span>workaround_msvc_stl_support : <span class="keyword">public</span> T</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">inline</span> workaround_msvc_stl_support() : T() {}</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">inline</span> workaround_msvc_stl_support(<span class="keyword">const</span> T& other) : T(other) {}</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">inline</span> <span class="keyword">operator</span> T& () { <span class="keywordflow">return</span> *<span class="keyword">static_cast<</span>T*<span class="keyword">></span>(<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">inline</span> <span class="keyword">operator</span> <span class="keyword">const</span> T& () <span class="keyword">const</span> { <span class="keywordflow">return</span> *<span class="keyword">static_cast<</span><span class="keyword">const </span>T*<span class="keyword">></span>(<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">template</span><<span class="keyword">typename</span> OtherT></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">inline</span> T& operator=(<span class="keyword">const</span> OtherT& other)</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  { T::operator=(other); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">inline</span> workaround_msvc_stl_support& operator=(<span class="keyword">const</span> workaround_msvc_stl_support& other)</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  { T::operator=(other); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  };</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> </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#define EIGEN_WORKAROUND_MSVC_STL_SUPPORT(T) T</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> }</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#endif // EIGEN_STL_DETAILS_H</span></div>
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