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<div class="title">Memory.h</div> </div>
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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) 2008-2010 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) 2008-2009 Benoit Jacob <jacob.benoit.1@gmail.com></span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// Copyright (C) 2009 Kenneth Riddile <kfriddile@yahoo.com></span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Copyright (C) 2010 Hauke Heibel <hauke.heibel@gmail.com></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Copyright (C) 2010 Thomas Capricelli <orzel@freehackers.org></span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">//</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// This Source Code Form is subject to the terms of the Mozilla</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</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="l00012"></a><span class="lineno"> 12</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="l00013"></a><span class="lineno"> 13</span> </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="comment">/*****************************************************************************</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">*** Platform checks for aligned malloc functions ***</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*****************************************************************************/</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifndef EIGEN_MEMORY_H</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_MEMORY_H</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef EIGEN_MALLOC_ALREADY_ALIGNED</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// Try to determine automatically if malloc is already aligned.</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="comment">// On 64-bit systems, glibc's malloc returns 16-byte-aligned pointers, see:</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// http://www.gnu.org/s/libc/manual/html_node/Aligned-Memory-Blocks.html</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// This is true at least since glibc 2.8.</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// This leaves the question how to detect 64-bit. According to this document,</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// http://gcc.fyxm.net/summit/2003/Porting%20to%2064%20bit.pdf</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// page 114, "[The] LP64 model [...] is used by all 64-bit UNIX ports" so it's indeed</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// quite safe, at least within the context of glibc, to equate 64-bit with LP64.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#if defined(__GLIBC__) && ((__GLIBC__>=2 && __GLIBC_MINOR__ >= 8) || __GLIBC__>2) \</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"> && defined(__LP64__) && ! defined( __SANITIZE_ADDRESS__ )</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_GLIBC_MALLOC_ALREADY_ALIGNED 1</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_GLIBC_MALLOC_ALREADY_ALIGNED 0</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// FreeBSD 6 seems to have 16-byte aligned malloc</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// See http://svn.freebsd.org/viewvc/base/stable/6/lib/libc/stdlib/malloc.c?view=markup</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// FreeBSD 7 seems to have 16-byte aligned malloc except on ARM and MIPS architectures</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// See http://svn.freebsd.org/viewvc/base/stable/7/lib/libc/stdlib/malloc.c?view=markup</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#if defined(__FreeBSD__) && !defined(__arm__) && !defined(__mips__)</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_FREEBSD_MALLOC_ALREADY_ALIGNED 1</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_FREEBSD_MALLOC_ALREADY_ALIGNED 0</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#if defined(__APPLE__) \</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"> || defined(_WIN64) \</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor"> || EIGEN_GLIBC_MALLOC_ALREADY_ALIGNED \</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"> || EIGEN_FREEBSD_MALLOC_ALREADY_ALIGNED</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_MALLOC_ALREADY_ALIGNED 1</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_MALLOC_ALREADY_ALIGNED 0</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#endif</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="comment">// See bug 554 (http://eigen.tuxfamily.org/bz/show_bug.cgi?id=554)</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// It seems to be unsafe to check _POSIX_ADVISORY_INFO without including unistd.h first.</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">// Currently, let's include it only on unix systems:</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#if defined(__unix__) || defined(__unix)</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor"></span><span class="preprocessor"> #include <unistd.h></span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor"> #if ((defined __QNXNTO__) || (defined _GNU_SOURCE) || ((defined _XOPEN_SOURCE) && (_XOPEN_SOURCE >= 600))) && (defined _POSIX_ADVISORY_INFO) && (_POSIX_ADVISORY_INFO > 0)</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_HAS_POSIX_MEMALIGN 1</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor"></span><span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#ifndef EIGEN_HAS_POSIX_MEMALIGN</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_HAS_POSIX_MEMALIGN 0</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#ifdef EIGEN_VECTORIZE_SSE</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_HAS_MM_MALLOC 1</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_HAS_MM_MALLOC 0</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">namespace </span>Eigen {</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> <span class="keyword">namespace </span>internal {</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> <span class="keyword">inline</span> <span class="keywordtype">void</span> throw_std_bad_alloc()</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor"> #ifdef EIGEN_EXCEPTIONS</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor"></span> <span class="keywordflow">throw</span> std::bad_alloc();</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor"></span> std::size_t huge = -1;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">new</span> <span class="keywordtype">int</span>[huge];</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor"></span>}</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> <span class="comment">/*****************************************************************************</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment">*** Implementation of handmade aligned functions ***</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">*****************************************************************************/</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment">/* ----- Hand made implementations of aligned malloc/free and realloc ----- */</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">inline</span> <span class="keywordtype">void</span>* handmade_aligned_malloc(std::size_t size)</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">void</span> *original = std::malloc(size+16);</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">if</span> (original == 0) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">void</span> *aligned = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>((<span class="keyword">reinterpret_cast<</span>std::size_t<span class="keyword">></span>(original) & ~(std::size_t(15))) + 16);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  *(<span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>**<span class="keyword">></span>(aligned) - 1) = original;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> aligned;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> handmade_aligned_free(<span class="keywordtype">void</span> *ptr)</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (ptr) std::free(*(reinterpret_cast<void**>(ptr) - 1));</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="keyword">inline</span> <span class="keywordtype">void</span>* handmade_aligned_realloc(<span class="keywordtype">void</span>* ptr, std::size_t size, std::size_t = 0)</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">if</span> (ptr == 0) <span class="keywordflow">return</span> handmade_aligned_malloc(size);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">void</span> *original = *(<span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>**<span class="keyword">></span>(ptr) - 1);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  std::ptrdiff_t previous_offset = <span class="keyword">static_cast<</span><span class="keywordtype">char</span> *<span class="keyword">></span>(ptr)-static_cast<char *>(original);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  original = std::realloc(original,size+16);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (original == 0) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">void</span> *aligned = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>((<span class="keyword">reinterpret_cast<</span>std::size_t<span class="keyword">></span>(original) & ~(std::size_t(15))) + 16);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">void</span> *previous_aligned = <span class="keyword">static_cast<</span><span class="keywordtype">char</span> *<span class="keyword">></span>(original)+previous_offset;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span>(aligned!=previous_aligned)</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  std::memmove(aligned, previous_aligned, size);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  *(<span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>**<span class="keyword">></span>(aligned) - 1) = original;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> aligned;</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="l00140"></a><span class="lineno"> 140</span> <span class="comment">/*****************************************************************************</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment">*** Implementation of generic aligned realloc (when no realloc can be used)***</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment">*****************************************************************************/</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keywordtype">void</span>* aligned_malloc(std::size_t size);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keywordtype">void</span> aligned_free(<span class="keywordtype">void</span> *ptr);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">inline</span> <span class="keywordtype">void</span>* generic_aligned_realloc(<span class="keywordtype">void</span>* ptr, <span class="keywordtype">size_t</span> size, <span class="keywordtype">size_t</span> old_size)</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> {</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (ptr==0)</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span> aligned_malloc(size);</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (size==0)</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  aligned_free(ptr);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">void</span>* newptr = aligned_malloc(size);</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">if</span> (newptr == 0)</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> <span class="preprocessor"> #ifdef EIGEN_HAS_ERRNO</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="preprocessor"></span> errno = ENOMEM; <span class="comment">// according to the standard</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</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="keywordflow">if</span> (ptr != 0)</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  {</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  std::memcpy(newptr, ptr, (std::min)(size,old_size));</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  aligned_free(ptr);</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</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>  <span class="keywordflow">return</span> newptr;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> }</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> <span class="comment">/*****************************************************************************</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment">*** Implementation of portable aligned versions of malloc/free/realloc ***</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment">*****************************************************************************/</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor">#ifdef EIGEN_NO_MALLOC</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">void</span> check_that_malloc_is_allowed()</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> {</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  eigen_assert(<span class="keyword">false</span> && <span class="stringliteral">"heap allocation is forbidden (EIGEN_NO_MALLOC is defined)"</span>);</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> }</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor">#elif defined EIGEN_RUNTIME_NO_MALLOC</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">bool</span> is_malloc_allowed_impl(<span class="keywordtype">bool</span> update, <span class="keywordtype">bool</span> new_value = <span class="keyword">false</span>)</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="keyword">static</span> <span class="keywordtype">bool</span> value = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">if</span> (update == 1)</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  value = new_value;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">return</span> value;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> }</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_malloc_allowed() { <span class="keywordflow">return</span> is_malloc_allowed_impl(<span class="keyword">false</span>); }</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> set_is_malloc_allowed(<span class="keywordtype">bool</span> new_value) { <span class="keywordflow">return</span> is_malloc_allowed_impl(<span class="keyword">true</span>, new_value); }</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> check_that_malloc_is_allowed()</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>  eigen_assert(is_malloc_allowed() && <span class="stringliteral">"heap allocation is forbidden (EIGEN_RUNTIME_NO_MALLOC is defined and g_is_malloc_allowed is false)"</span>);</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> }</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="preprocessor">#else </span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">void</span> check_that_malloc_is_allowed()</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> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="keyword">inline</span> <span class="keywordtype">void</span>* aligned_malloc(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> {</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  check_that_malloc_is_allowed();</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordtype">void</span> *result;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor"> #if !EIGEN_ALIGN</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor"></span> result = std::malloc(size);</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"> #elif EIGEN_MALLOC_ALREADY_ALIGNED</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor"></span> result = std::malloc(size);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="preprocessor"> #elif EIGEN_HAS_POSIX_MEMALIGN</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="preprocessor"></span> <span class="keywordflow">if</span>(posix_memalign(&result, 16, size)) result = 0;</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="preprocessor"> #elif EIGEN_HAS_MM_MALLOC</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="preprocessor"></span> result = _mm_malloc(size, 16);</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="preprocessor"> #elif defined(_MSC_VER) && (!defined(_WIN32_WCE))</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor"></span> result = _aligned_malloc(size, 16);</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="preprocessor"></span> result = handmade_aligned_malloc(size);</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span>(!result && size)</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  throw_std_bad_alloc();</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> }</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> aligned_free(<span class="keywordtype">void</span> *ptr)</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> {</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="preprocessor"> #if !EIGEN_ALIGN</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="preprocessor"></span> std::free(ptr);</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="preprocessor"> #elif EIGEN_MALLOC_ALREADY_ALIGNED</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="preprocessor"></span> std::free(ptr);</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="preprocessor"> #elif EIGEN_HAS_POSIX_MEMALIGN</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor"></span> std::free(ptr);</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor"> #elif EIGEN_HAS_MM_MALLOC</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor"></span> _mm_free(ptr);</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="preprocessor"> #elif defined(_MSC_VER) && (!defined(_WIN32_WCE))</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="preprocessor"></span> _aligned_free(ptr);</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="preprocessor"></span> handmade_aligned_free(ptr);</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="keyword">inline</span> <span class="keywordtype">void</span>* aligned_realloc(<span class="keywordtype">void</span> *ptr, <span class="keywordtype">size_t</span> new_size, <span class="keywordtype">size_t</span> old_size)</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> {</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  EIGEN_UNUSED_VARIABLE(old_size);</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordtype">void</span> *result;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="preprocessor">#if !EIGEN_ALIGN</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="preprocessor"></span> result = std::realloc(ptr,new_size);</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="preprocessor">#elif EIGEN_MALLOC_ALREADY_ALIGNED</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="preprocessor"></span> result = std::realloc(ptr,new_size);</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="preprocessor">#elif EIGEN_HAS_POSIX_MEMALIGN</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="preprocessor"></span> result = generic_aligned_realloc(ptr,new_size,old_size);</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="preprocessor">#elif EIGEN_HAS_MM_MALLOC</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor"></span> <span class="comment">// The defined(_mm_free) is just here to verify that this MSVC version</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="comment">// implements _mm_malloc/_mm_free based on the corresponding _aligned_</span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// functions. This may not always be the case and we just try to be safe.</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor"> #if defined(_MSC_VER) && defined(_mm_free)</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="preprocessor"></span> result = _aligned_realloc(ptr,new_size,16);</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="preprocessor"></span> result = generic_aligned_realloc(ptr,new_size,old_size);</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="preprocessor"></span><span class="preprocessor">#elif defined(_MSC_VER)</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="preprocessor"></span> result = _aligned_realloc(ptr,new_size,16);</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor"></span> result = handmade_aligned_realloc(ptr,new_size,old_size);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">if</span> (!result && new_size)</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  throw_std_bad_alloc();</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> }</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment">/*****************************************************************************</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment">*** Implementation of conditionally aligned functions ***</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment">*****************************************************************************/</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="keyword">template</span><<span class="keywordtype">bool</span> Align> <span class="keyword">inline</span> <span class="keywordtype">void</span>* conditional_aligned_malloc(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> {</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">return</span> aligned_malloc(size);</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> }</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="keyword">template</span><> <span class="keyword">inline</span> <span class="keywordtype">void</span>* conditional_aligned_malloc<false>(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> {</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  check_that_malloc_is_allowed();</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordtype">void</span> *result = std::malloc(size);</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">if</span>(!result && size)</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  throw_std_bad_alloc();</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> }</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="keyword">template</span><<span class="keywordtype">bool</span> Align> <span class="keyword">inline</span> <span class="keywordtype">void</span> conditional_aligned_free(<span class="keywordtype">void</span> *ptr)</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> {</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  aligned_free(ptr);</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> }</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="keyword">template</span><> <span class="keyword">inline</span> <span class="keywordtype">void</span> conditional_aligned_free<false>(<span class="keywordtype">void</span> *ptr)</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> {</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  std::free(ptr);</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> }</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="keyword">template</span><<span class="keywordtype">bool</span> Align> <span class="keyword">inline</span> <span class="keywordtype">void</span>* conditional_aligned_realloc(<span class="keywordtype">void</span>* ptr, <span class="keywordtype">size_t</span> new_size, <span class="keywordtype">size_t</span> old_size)</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> {</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">return</span> aligned_realloc(ptr, new_size, old_size);</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> }</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="keyword">template</span><> <span class="keyword">inline</span> <span class="keywordtype">void</span>* conditional_aligned_realloc<false>(<span class="keywordtype">void</span>* ptr, <span class="keywordtype">size_t</span> new_size, size_t)</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> {</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">return</span> std::realloc(ptr, new_size);</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> }</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment">/*****************************************************************************</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment">*** Construction/destruction of array elements ***</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment">*****************************************************************************/</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> </div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">inline</span> T* construct_elements_of_array(T *ptr, <span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> {</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i < size; ++i) ::<span class="keyword">new</span> (ptr + i) T;</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">return</span> ptr;</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> }</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">inline</span> <span class="keywordtype">void</span> destruct_elements_of_array(T *ptr, <span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> {</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="comment">// always destruct an array starting from the end.</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">if</span>(ptr)</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">while</span>(size) ptr[--size].~T();</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> }</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> </div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment">/*****************************************************************************</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="comment">*** Implementation of aligned new/delete-like functions ***</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="comment">*****************************************************************************/</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> EIGEN_ALWAYS_INLINE <span class="keywordtype">void</span> check_size_for_overflow(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> {</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">if</span>(size > <span class="keywordtype">size_t</span>(-1) / <span class="keyword">sizeof</span>(T))</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  throw_std_bad_alloc();</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> }</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> </div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">inline</span> T* aligned_new(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> {</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  check_size_for_overflow<T>(size);</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  T *result = <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(aligned_malloc(<span class="keyword">sizeof</span>(T)*size));</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">return</span> construct_elements_of_array(result, size);</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> }</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> </div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keywordtype">bool</span> Align> <span class="keyword">inline</span> T* conditional_aligned_new(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> {</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  check_size_for_overflow<T>(size);</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  T *result = <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(conditional_aligned_malloc<Align>(<span class="keyword">sizeof</span>(T)*size));</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">return</span> construct_elements_of_array(result, size);</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> }</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> </div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">inline</span> <span class="keywordtype">void</span> aligned_delete(T *ptr, <span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> {</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  destruct_elements_of_array<T>(ptr, size);</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  aligned_free(ptr);</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> }</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> </div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keywordtype">bool</span> Align> <span class="keyword">inline</span> <span class="keywordtype">void</span> conditional_aligned_delete(T *ptr, <span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> {</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  destruct_elements_of_array<T>(ptr, size);</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  conditional_aligned_free<Align>(ptr);</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> }</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keywordtype">bool</span> Align> <span class="keyword">inline</span> T* conditional_aligned_realloc_new(T* pts, <span class="keywordtype">size_t</span> new_size, <span class="keywordtype">size_t</span> old_size)</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> {</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  check_size_for_overflow<T>(new_size);</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  check_size_for_overflow<T>(old_size);</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">if</span>(new_size < old_size)</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  destruct_elements_of_array(pts+new_size, old_size-new_size);</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  T *result = <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(conditional_aligned_realloc<Align>(<span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>(pts), <span class="keyword">sizeof</span>(T)*new_size, <span class="keyword">sizeof</span>(T)*old_size));</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">if</span>(new_size > old_size)</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  construct_elements_of_array(result+old_size, new_size-old_size);</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> }</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> </div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> </div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keywordtype">bool</span> Align> <span class="keyword">inline</span> T* conditional_aligned_new_auto(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> {</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  check_size_for_overflow<T>(size);</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  T *result = <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(conditional_aligned_malloc<Align>(<span class="keyword">sizeof</span>(T)*size));</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">if</span>(NumTraits<T>::RequireInitialization)</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  construct_elements_of_array(result, size);</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span> }</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span> </div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keywordtype">bool</span> Align> <span class="keyword">inline</span> T* conditional_aligned_realloc_new_auto(T* pts, <span class="keywordtype">size_t</span> new_size, <span class="keywordtype">size_t</span> old_size)</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> {</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  check_size_for_overflow<T>(new_size);</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  check_size_for_overflow<T>(old_size);</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">if</span>(NumTraits<T>::RequireInitialization && (new_size < old_size))</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  destruct_elements_of_array(pts+new_size, old_size-new_size);</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  T *result = <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(conditional_aligned_realloc<Align>(<span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>(pts), <span class="keyword">sizeof</span>(T)*new_size, <span class="keyword">sizeof</span>(T)*old_size));</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">if</span>(NumTraits<T>::RequireInitialization && (new_size > old_size))</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  construct_elements_of_array(result+old_size, new_size-old_size);</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span> }</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> </div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keywordtype">bool</span> Align> <span class="keyword">inline</span> <span class="keywordtype">void</span> conditional_aligned_delete_auto(T *ptr, <span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> {</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">if</span>(NumTraits<T>::RequireInitialization)</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  destruct_elements_of_array<T>(ptr, size);</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  conditional_aligned_free<Align>(ptr);</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> }</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="comment">/****************************************************************************/</span></div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> </div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="keyword">template</span><<span class="keyword">typename</span> Scalar, <span class="keyword">typename</span> Index></div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="keyword">static</span> <span class="keyword">inline</span> Index first_aligned(<span class="keyword">const</span> Scalar* array, Index size)</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> {</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keyword">enum</span> { PacketSize = packet_traits<Scalar>::size,</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  PacketAlignedMask = PacketSize-1</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  };</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span> </div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordflow">if</span>(PacketSize==1)</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  {</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="comment">// Either there is no vectorization, or a packet consists of exactly 1 scalar so that all elements</span></div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="comment">// of the array have the same alignment.</span></div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  }</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span>(<span class="keywordtype">size_t</span>(array) & (<span class="keyword">sizeof</span>(Scalar)-1))</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  {</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="comment">// There is vectorization for this scalar type, but the array is not aligned to the size of a single scalar.</span></div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="comment">// Consequently, no element of the array is well aligned.</span></div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">return</span> size;</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  }</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  {</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">return</span> std::min<Index>( (PacketSize - (Index((<span class="keywordtype">size_t</span>(array)/<span class="keyword">sizeof</span>(Scalar))) & PacketAlignedMask))</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  & PacketAlignedMask, size);</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  }</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> }</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> </div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="keyword">template</span><<span class="keyword">typename</span> Index> </div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="keyword">inline</span> <span class="keyword">static</span> Index first_multiple(Index size, Index base)</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> {</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">return</span> ((size+base-1)/base)*base;</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> }</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span> </div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span> <span class="comment">// std::copy is much slower than memcpy, so let's introduce a smart_copy which</span></div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span> <span class="comment">// use memcpy on trivial types, i.e., on types that does not require an initialization ctor.</span></div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keywordtype">bool</span> UseMemcpy> <span class="keyword">struct </span>smart_copy_helper;</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> </div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keywordtype">void</span> smart_copy(<span class="keyword">const</span> T* start, <span class="keyword">const</span> T* end, T* target)</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> {</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  smart_copy_helper<T,!NumTraits<T>::RequireInitialization>::run(start, end, target);</div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> }</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> </div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">struct </span>smart_copy_helper<T,true> {</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> run(<span class="keyword">const</span> T* start, <span class="keyword">const</span> T* end, T* target)</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  { memcpy(target, start, std::ptrdiff_t(end)-std::ptrdiff_t(start)); }</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> };</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span> </div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">struct </span>smart_copy_helper<T,false> {</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> run(<span class="keyword">const</span> T* start, <span class="keyword">const</span> T* end, T* target)</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  { std::copy(start, end, target); }</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> };</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span> </div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> </div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span> <span class="comment">/*****************************************************************************</span></div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span> <span class="comment">*** Implementation of runtime stack allocation (falling back to malloc) ***</span></div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> <span class="comment">*****************************************************************************/</span></div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> </div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span> <span class="comment">// you can overwrite Eigen's default behavior regarding alloca by defining EIGEN_ALLOCA</span></div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span> <span class="comment">// to the appropriate stack allocation function</span></div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span> <span class="preprocessor">#ifndef EIGEN_ALLOCA</span></div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> <span class="preprocessor"></span><span class="preprocessor"> #if (defined __linux__)</span></div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_ALLOCA alloca</span></div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> <span class="preprocessor"></span><span class="preprocessor"> #elif defined(_MSC_VER)</span></div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_ALLOCA _alloca</span></div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <span class="preprocessor"></span><span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span> <span class="comment">// This helper class construct the allocated memory, and takes care of destructing and freeing the handled data</span></div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span> <span class="comment">// at destruction time. In practice this helper class is mainly useful to avoid memory leak in case of exceptions.</span></div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">class </span>aligned_stack_memory_handler</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span> {</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="comment">/* Creates a stack_memory_handler responsible for the buffer \a ptr of size \a size.</span></div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span> <span class="comment"> * Note that \a ptr can be 0 regardless of the other parameters.</span></div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span> <span class="comment"> * This constructor takes care of constructing/initializing the elements of the buffer if required by the scalar type T (see NumTraits<T>::RequireInitialization).</span></div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span> <span class="comment"> * In this case, the buffer elements will also be destructed when this handler will be destructed.</span></div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> <span class="comment"> * Finally, if \a dealloc is true, then the pointer \a ptr is freed.</span></div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="comment"> **/</span></div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  aligned_stack_memory_handler(T* ptr, <span class="keywordtype">size_t</span> size, <span class="keywordtype">bool</span> dealloc)</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  : m_ptr(ptr), m_size(size), m_deallocate(dealloc)</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  {</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">if</span>(NumTraits<T>::RequireInitialization && m_ptr)</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  Eigen::internal::construct_elements_of_array(m_ptr, size);</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  }</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  ~aligned_stack_memory_handler()</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  {</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">if</span>(NumTraits<T>::RequireInitialization && m_ptr)</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  Eigen::internal::destruct_elements_of_array<T>(m_ptr, m_size);</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keywordflow">if</span>(m_deallocate)</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  Eigen::internal::aligned_free(m_ptr);</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  }</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  T* m_ptr;</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordtype">size_t</span> m_size;</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="keywordtype">bool</span> m_deallocate;</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> };</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> </div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> } <span class="comment">// end namespace internal</span></div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> </div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="preprocessor">#ifdef EIGEN_ALLOCA</span></div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> <span class="preprocessor"> #ifdef __arm__</span></div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_ALIGNED_ALLOCA(SIZE) reinterpret_cast<void*>((reinterpret_cast<size_t>(EIGEN_ALLOCA(SIZE+16)) & ~(size_t(15))) + 16)</span></div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span> <span class="preprocessor"></span><span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_ALIGNED_ALLOCA EIGEN_ALLOCA</span></div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span> <span class="preprocessor"></span><span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span> <span class="preprocessor"> #define ei_declare_aligned_stack_constructed_variable(TYPE,NAME,SIZE,BUFFER) \</span></div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span> <span class="preprocessor"> Eigen::internal::check_size_for_overflow<TYPE>(SIZE); \</span></div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span> <span class="preprocessor"> TYPE* NAME = (BUFFER)!=0 ? (BUFFER) \</span></div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> <span class="preprocessor"> : reinterpret_cast<TYPE*>( \</span></div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span> <span class="preprocessor"> (sizeof(TYPE)*SIZE<=EIGEN_STACK_ALLOCATION_LIMIT) ? EIGEN_ALIGNED_ALLOCA(sizeof(TYPE)*SIZE) \</span></div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span> <span class="preprocessor"> : Eigen::internal::aligned_malloc(sizeof(TYPE)*SIZE) ); \</span></div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span> <span class="preprocessor"> Eigen::internal::aligned_stack_memory_handler<TYPE> EIGEN_CAT(NAME,_stack_memory_destructor)((BUFFER)==0 ? NAME : 0,SIZE,sizeof(TYPE)*SIZE>EIGEN_STACK_ALLOCATION_LIMIT)</span></div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span> <span class="preprocessor"> #define ei_declare_aligned_stack_constructed_variable(TYPE,NAME,SIZE,BUFFER) \</span></div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> <span class="preprocessor"> Eigen::internal::check_size_for_overflow<TYPE>(SIZE); \</span></div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> <span class="preprocessor"> TYPE* NAME = (BUFFER)!=0 ? BUFFER : reinterpret_cast<TYPE*>(Eigen::internal::aligned_malloc(sizeof(TYPE)*SIZE)); \</span></div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span> <span class="preprocessor"> Eigen::internal::aligned_stack_memory_handler<TYPE> EIGEN_CAT(NAME,_stack_memory_destructor)((BUFFER)==0 ? NAME : 0,SIZE,true)</span></div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span> <span class="preprocessor"></span> </div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span> </div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span> <span class="comment">/*****************************************************************************</span></div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> <span class="comment">*** Implementation of EIGEN_MAKE_ALIGNED_OPERATOR_NEW [_IF] ***</span></div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span> <span class="comment">*****************************************************************************/</span></div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> </div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span> <span class="preprocessor">#if EIGEN_ALIGN</span></div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span> <span class="preprocessor"></span><span class="preprocessor"> #ifdef EIGEN_EXCEPTIONS</span></div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_NOTHROW(NeedsToAlign) \</span></div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span> <span class="preprocessor"> void* operator new(size_t size, const std::nothrow_t&) throw() { \</span></div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span> <span class="preprocessor"> try { return Eigen::internal::conditional_aligned_malloc<NeedsToAlign>(size); } \</span></div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> <span class="preprocessor"> catch (...) { return 0; } \</span></div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span> <span class="preprocessor"> return 0; \</span></div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span> <span class="preprocessor"> }</span></div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> <span class="preprocessor"></span><span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_NOTHROW(NeedsToAlign) \</span></div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span> <span class="preprocessor"> void* operator new(size_t size, const std::nothrow_t&) throw() { \</span></div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span> <span class="preprocessor"> return Eigen::internal::conditional_aligned_malloc<NeedsToAlign>(size); \</span></div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span> <span class="preprocessor"> }</span></div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span> <span class="preprocessor"></span><span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span> <span class="preprocessor"> #define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(NeedsToAlign) \</span></div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span> <span class="preprocessor"> void *operator new(size_t size) { \</span></div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span> <span class="preprocessor"> return Eigen::internal::conditional_aligned_malloc<NeedsToAlign>(size); \</span></div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span> <span class="preprocessor"> void *operator new[](size_t size) { \</span></div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span> <span class="preprocessor"> return Eigen::internal::conditional_aligned_malloc<NeedsToAlign>(size); \</span></div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> <span class="preprocessor"> void operator delete(void * ptr) throw() { Eigen::internal::conditional_aligned_free<NeedsToAlign>(ptr); } \</span></div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span> <span class="preprocessor"> void operator delete[](void * ptr) throw() { Eigen::internal::conditional_aligned_free<NeedsToAlign>(ptr); } \</span></div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span> <span class="preprocessor"> </span><span class="comment">/* in-place new and delete. since (at least afaik) there is no actual */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span> <span class="preprocessor"> </span><span class="comment">/* memory allocated we can safely let the default implementation handle */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span> <span class="preprocessor"> </span><span class="comment">/* this particular case. */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span> <span class="preprocessor"> static void *operator new(size_t size, void *ptr) { return ::operator new(size,ptr); } \</span></div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span> <span class="preprocessor"> void operator delete(void * memory, void *ptr) throw() { return ::operator delete(memory,ptr); } \</span></div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span> <span class="preprocessor"> </span><span class="comment">/* nothrow-new (returns zero instead of std::bad_alloc) */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span> <span class="preprocessor"> EIGEN_MAKE_ALIGNED_OPERATOR_NEW_NOTHROW(NeedsToAlign) \</span></div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span> <span class="preprocessor"> void operator delete(void *ptr, const std::nothrow_t&) throw() { \</span></div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span> <span class="preprocessor"> Eigen::internal::conditional_aligned_free<NeedsToAlign>(ptr); \</span></div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span> <span class="preprocessor"> typedef void eigen_aligned_operator_new_marker_type;</span></div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(NeedsToAlign)</span></div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span> <span class="preprocessor">#define EIGEN_MAKE_ALIGNED_OPERATOR_NEW EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(true)</span></div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF_VECTORIZABLE_FIXED_SIZE(Scalar,Size) \</span></div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span> <span class="preprocessor"> EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(bool(((Size)!=Eigen::Dynamic) && ((sizeof(Scalar)*(Size))%16==0)))</span></div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span> <span class="comment">/****************************************************************************/</span></div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span> </div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span> <span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a name="l00671"></a><span class="lineno"><a class="line" href="classEigen_1_1aligned__allocator.html"> 671</a></span> <span class="keyword">class </span><a class="code" href="classEigen_1_1aligned__allocator.html">aligned_allocator</a></div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span> {</div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <span class="keyword">typedef</span> <span class="keywordtype">size_t</span> size_type;</div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keyword">typedef</span> std::ptrdiff_t difference_type;</div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="keyword">typedef</span> T* pointer;</div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keyword">typedef</span> <span class="keyword">const</span> T* const_pointer;</div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="keyword">typedef</span> T& reference;</div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="keyword">typedef</span> <span class="keyword">const</span> T& const_reference;</div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="keyword">typedef</span> T value_type;</div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span> </div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="keyword">template</span><<span class="keyword">class</span> U></div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="keyword">struct </span>rebind</div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  {</div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="keyword">typedef</span> <a class="code" href="classEigen_1_1aligned__allocator.html">aligned_allocator<U></a> other;</div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  };</div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span> </div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  pointer address( reference value )<span class="keyword"> const</span></div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keywordflow">return</span> &value;</div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  }</div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span> </div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  const_pointer address( const_reference value )<span class="keyword"> const</span></div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keywordflow">return</span> &value;</div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  }</div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span> </div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <a class="code" href="classEigen_1_1aligned__allocator.html">aligned_allocator</a>()</div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  {</div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  }</div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span> </div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <a class="code" href="classEigen_1_1aligned__allocator.html">aligned_allocator</a>( <span class="keyword">const</span> <a class="code" href="classEigen_1_1aligned__allocator.html">aligned_allocator</a>& )</div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  {</div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  }</div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span> </div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="keyword">template</span><<span class="keyword">class</span> U></div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <a class="code" href="classEigen_1_1aligned__allocator.html">aligned_allocator</a>( <span class="keyword">const</span> <a class="code" href="classEigen_1_1aligned__allocator.html">aligned_allocator<U></a>& )</div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  {</div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  }</div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span> </div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  ~<a class="code" href="classEigen_1_1aligned__allocator.html">aligned_allocator</a>()</div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  {</div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  }</div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span> </div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  size_type max_size()<span class="keyword"> const</span></div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="keywordflow">return</span> (std::numeric_limits<size_type>::max)();</div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  }</div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span> </div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  pointer allocate( size_type num, <span class="keyword">const</span> <span class="keywordtype">void</span>* hint = 0 )</div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  {</div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  EIGEN_UNUSED_VARIABLE(hint);</div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  internal::check_size_for_overflow<T>(num);</div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>pointer<span class="keyword">></span>( internal::aligned_malloc( num * <span class="keyword">sizeof</span>(T) ) );</div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  }</div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span> </div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="keywordtype">void</span> construct( pointer p, <span class="keyword">const</span> T& value )</div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  {</div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  ::new( p ) T( value );</div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  }</div>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span> </div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="comment">// Support for c++11</span></div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span> <span class="preprocessor">#if (__cplusplus >= 201103L)</span></div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> <span class="preprocessor"></span> <span class="keyword">template</span><<span class="keyword">typename</span>... Args></div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="keywordtype">void</span> construct(pointer p, Args&&... args)</div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  {</div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  ::new(p) T(std::forward<Args>(args)...);</div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  }</div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="keywordtype">void</span> destroy( pointer p )</div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  {</div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  p->~T();</div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  }</div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span> </div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <span class="keywordtype">void</span> deallocate( pointer p, size_type <span class="comment">/*num*/</span> )</div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  {</div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  internal::aligned_free( p );</div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  }</div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span> </div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> <a class="code" href="classEigen_1_1aligned__allocator.html">aligned_allocator<T></a>& )<span class="keyword"> const</span></div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div>
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span> </div>
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> <a class="code" href="classEigen_1_1aligned__allocator.html">aligned_allocator<T></a>& )<span class="keyword"> const</span></div>
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span> };</div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span> </div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span> <span class="comment">//---------- Cache sizes ----------</span></div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span> </div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span> <span class="preprocessor">#if !defined(EIGEN_NO_CPUID)</span></div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span> <span class="preprocessor"></span><span class="preprocessor"># if defined(__GNUC__) && ( defined(__i386__) || defined(__x86_64__) )</span></div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span> <span class="preprocessor"></span><span class="preprocessor"># if defined(__PIC__) && defined(__i386__)</span></div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> <span class="preprocessor"></span> <span class="comment">// Case for x86 with PIC</span></div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span> <span class="preprocessor"># define EIGEN_CPUID(abcd,func,id) \</span></div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span> <span class="preprocessor"> __asm__ __volatile__ ("xchgl %%ebx, %k1;cpuid; xchgl %%ebx,%k1": "=a" (abcd[0]), "=&r" (abcd[1]), "=c" (abcd[2]), "=d" (abcd[3]) : "a" (func), "c" (id));</span></div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span> <span class="preprocessor"></span><span class="preprocessor"># elif defined(__PIC__) && defined(__x86_64__)</span></div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span> <span class="preprocessor"></span> <span class="comment">// Case for x64 with PIC. In theory this is only a problem with recent gcc and with medium or large code model, not with the default small code model.</span></div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  <span class="comment">// However, we cannot detect which code model is used, and the xchg overhead is negligible anyway.</span></div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span> <span class="preprocessor"># define EIGEN_CPUID(abcd,func,id) \</span></div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span> <span class="preprocessor"> __asm__ __volatile__ ("xchg{q}\t{%%}rbx, %q1; cpuid; xchg{q}\t{%%}rbx, %q1": "=a" (abcd[0]), "=&r" (abcd[1]), "=c" (abcd[2]), "=d" (abcd[3]) : "0" (func), "2" (id));</span></div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> <span class="preprocessor"></span><span class="preprocessor"># else</span></div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span> <span class="preprocessor"></span> <span class="comment">// Case for x86_64 or x86 w/o PIC</span></div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span> <span class="preprocessor"># define EIGEN_CPUID(abcd,func,id) \</span></div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span> <span class="preprocessor"> __asm__ __volatile__ ("cpuid": "=a" (abcd[0]), "=b" (abcd[1]), "=c" (abcd[2]), "=d" (abcd[3]) : "0" (func), "2" (id) );</span></div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span> <span class="preprocessor"></span><span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span> <span class="preprocessor"></span><span class="preprocessor"># elif defined(_MSC_VER)</span></div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span> <span class="preprocessor"></span><span class="preprocessor"># if (_MSC_VER > 1500) && ( defined(_M_IX86) || defined(_M_X64) )</span></div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span> <span class="preprocessor"></span><span class="preprocessor"># define EIGEN_CPUID(abcd,func,id) __cpuidex((int*)abcd,func,id)</span></div>
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span> <span class="preprocessor"></span><span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span> <span class="preprocessor"></span><span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span> <span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span> </div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span> <span class="preprocessor">#ifdef EIGEN_CPUID</span></div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> cpuid_is_vendor(<span class="keywordtype">int</span> abcd[4], <span class="keyword">const</span> <span class="keywordtype">char</span>* vendor)</div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span> {</div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <span class="keywordflow">return</span> abcd[1]==(<span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">int</span>*<span class="keyword">></span>(vendor))[0] && abcd[3]==(<span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">int</span>*<span class="keyword">></span>(vendor))[1] && abcd[2]==(<span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">int</span>*<span class="keyword">></span>(vendor))[2];</div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span> }</div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span> </div>
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> queryCacheSizes_intel_direct(<span class="keywordtype">int</span>& l1, <span class="keywordtype">int</span>& l2, <span class="keywordtype">int</span>& l3)</div>
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span> {</div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="keywordtype">int</span> abcd[4];</div>
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  l1 = l2 = l3 = 0;</div>
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  <span class="keywordtype">int</span> cache_id = 0;</div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="keywordtype">int</span> cache_type = 0;</div>
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  abcd[0] = abcd[1] = abcd[2] = abcd[3] = 0;</div>
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  EIGEN_CPUID(abcd,0x4,cache_id);</div>
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  cache_type = (abcd[0] & 0x0F) >> 0;</div>
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  <span class="keywordflow">if</span>(cache_type==1||cache_type==3) <span class="comment">// data or unified cache</span></div>
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  {</div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <span class="keywordtype">int</span> cache_level = (abcd[0] & 0xE0) >> 5; <span class="comment">// A[7:5]</span></div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="keywordtype">int</span> ways = (abcd[1] & 0xFFC00000) >> 22; <span class="comment">// B[31:22]</span></div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <span class="keywordtype">int</span> partitions = (abcd[1] & 0x003FF000) >> 12; <span class="comment">// B[21:12]</span></div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  <span class="keywordtype">int</span> line_size = (abcd[1] & 0x00000FFF) >> 0; <span class="comment">// B[11:0]</span></div>
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <span class="keywordtype">int</span> sets = (abcd[2]); <span class="comment">// C[31:0]</span></div>
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span> </div>
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <span class="keywordtype">int</span> cache_size = (ways+1) * (partitions+1) * (line_size+1) * (sets+1);</div>
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span> </div>
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  <span class="keywordflow">switch</span>(cache_level)</div>
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  {</div>
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="keywordflow">case</span> 1: l1 = cache_size; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keywordflow">case</span> 2: l2 = cache_size; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="keywordflow">case</span> 3: l3 = cache_size; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <span class="keywordflow">default</span>: <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  }</div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  }</div>
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  cache_id++;</div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  } <span class="keywordflow">while</span>(cache_type>0 && cache_id<16);</div>
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span> }</div>
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span> </div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> queryCacheSizes_intel_codes(<span class="keywordtype">int</span>& l1, <span class="keywordtype">int</span>& l2, <span class="keywordtype">int</span>& l3)</div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span> {</div>
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  <span class="keywordtype">int</span> abcd[4];</div>
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  abcd[0] = abcd[1] = abcd[2] = abcd[3] = 0;</div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  l1 = l2 = l3 = 0;</div>
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  EIGEN_CPUID(abcd,0x00000002,0);</div>
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> * bytes = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<span class="keyword">></span>(abcd)+2;</div>
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <span class="keywordtype">bool</span> check_for_p2_core2 = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i<14; ++i)</div>
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  {</div>
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  <span class="keywordflow">switch</span>(bytes[i])</div>
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  {</div>
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <span class="keywordflow">case</span> 0x0A: l1 = 8; <span class="keywordflow">break</span>; <span class="comment">// 0Ah data L1 cache, 8 KB, 2 ways, 32 byte lines</span></div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <span class="keywordflow">case</span> 0x0C: l1 = 16; <span class="keywordflow">break</span>; <span class="comment">// 0Ch data L1 cache, 16 KB, 4 ways, 32 byte lines</span></div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  <span class="keywordflow">case</span> 0x0E: l1 = 24; <span class="keywordflow">break</span>; <span class="comment">// 0Eh data L1 cache, 24 KB, 6 ways, 64 byte lines</span></div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  <span class="keywordflow">case</span> 0x10: l1 = 16; <span class="keywordflow">break</span>; <span class="comment">// 10h data L1 cache, 16 KB, 4 ways, 32 byte lines (IA-64)</span></div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  <span class="keywordflow">case</span> 0x15: l1 = 16; <span class="keywordflow">break</span>; <span class="comment">// 15h code L1 cache, 16 KB, 4 ways, 32 byte lines (IA-64)</span></div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <span class="keywordflow">case</span> 0x2C: l1 = 32; <span class="keywordflow">break</span>; <span class="comment">// 2Ch data L1 cache, 32 KB, 8 ways, 64 byte lines</span></div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <span class="keywordflow">case</span> 0x30: l1 = 32; <span class="keywordflow">break</span>; <span class="comment">// 30h code L1 cache, 32 KB, 8 ways, 64 byte lines</span></div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <span class="keywordflow">case</span> 0x60: l1 = 16; <span class="keywordflow">break</span>; <span class="comment">// 60h data L1 cache, 16 KB, 8 ways, 64 byte lines, sectored</span></div>
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  <span class="keywordflow">case</span> 0x66: l1 = 8; <span class="keywordflow">break</span>; <span class="comment">// 66h data L1 cache, 8 KB, 4 ways, 64 byte lines, sectored</span></div>
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="keywordflow">case</span> 0x67: l1 = 16; <span class="keywordflow">break</span>; <span class="comment">// 67h data L1 cache, 16 KB, 4 ways, 64 byte lines, sectored</span></div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <span class="keywordflow">case</span> 0x68: l1 = 32; <span class="keywordflow">break</span>; <span class="comment">// 68h data L1 cache, 32 KB, 4 ways, 64 byte lines, sectored</span></div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  <span class="keywordflow">case</span> 0x1A: l2 = 96; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 96 KB, 6 ways, 64 byte lines (IA-64)</span></div>
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  <span class="keywordflow">case</span> 0x22: l3 = 512; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 512 KB, 4 ways (!), 64 byte lines, dual-sectored</span></div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  <span class="keywordflow">case</span> 0x23: l3 = 1024; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 1024 KB, 8 ways, 64 byte lines, dual-sectored</span></div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  <span class="keywordflow">case</span> 0x25: l3 = 2048; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 2048 KB, 8 ways, 64 byte lines, dual-sectored</span></div>
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  <span class="keywordflow">case</span> 0x29: l3 = 4096; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 4096 KB, 8 ways, 64 byte lines, dual-sectored</span></div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keywordflow">case</span> 0x39: l2 = 128; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 128 KB, 4 ways, 64 byte lines, sectored</span></div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <span class="keywordflow">case</span> 0x3A: l2 = 192; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 192 KB, 6 ways, 64 byte lines, sectored</span></div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  <span class="keywordflow">case</span> 0x3B: l2 = 128; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 128 KB, 2 ways, 64 byte lines, sectored</span></div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <span class="keywordflow">case</span> 0x3C: l2 = 256; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 256 KB, 4 ways, 64 byte lines, sectored</span></div>
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  <span class="keywordflow">case</span> 0x3D: l2 = 384; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 384 KB, 6 ways, 64 byte lines, sectored</span></div>
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  <span class="keywordflow">case</span> 0x3E: l2 = 512; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 512 KB, 4 ways, 64 byte lines, sectored</span></div>
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  <span class="keywordflow">case</span> 0x40: l2 = 0; <span class="keywordflow">break</span>; <span class="comment">// no integrated L2 cache (P6 core) or L3 cache (P4 core)</span></div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  <span class="keywordflow">case</span> 0x41: l2 = 128; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 128 KB, 4 ways, 32 byte lines</span></div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="keywordflow">case</span> 0x42: l2 = 256; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 256 KB, 4 ways, 32 byte lines</span></div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  <span class="keywordflow">case</span> 0x43: l2 = 512; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 512 KB, 4 ways, 32 byte lines</span></div>
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <span class="keywordflow">case</span> 0x44: l2 = 1024; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 1024 KB, 4 ways, 32 byte lines</span></div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <span class="keywordflow">case</span> 0x45: l2 = 2048; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 2048 KB, 4 ways, 32 byte lines</span></div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <span class="keywordflow">case</span> 0x46: l3 = 4096; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 4096 KB, 4 ways, 64 byte lines</span></div>
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <span class="keywordflow">case</span> 0x47: l3 = 8192; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 8192 KB, 8 ways, 64 byte lines</span></div>
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <span class="keywordflow">case</span> 0x48: l2 = 3072; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 3072 KB, 12 ways, 64 byte lines</span></div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  <span class="keywordflow">case</span> 0x49: <span class="keywordflow">if</span>(l2!=0) l3 = 4096; <span class="keywordflow">else</span> {check_for_p2_core2=<span class="keyword">true</span>; l3 = l2 = 4096;} <span class="keywordflow">break</span>;<span class="comment">// code and data L3 cache, 4096 KB, 16 ways, 64 byte lines (P4) or L2 for core2</span></div>
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  <span class="keywordflow">case</span> 0x4A: l3 = 6144; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 6144 KB, 12 ways, 64 byte lines</span></div>
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="keywordflow">case</span> 0x4B: l3 = 8192; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 8192 KB, 16 ways, 64 byte lines</span></div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  <span class="keywordflow">case</span> 0x4C: l3 = 12288; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 12288 KB, 12 ways, 64 byte lines</span></div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <span class="keywordflow">case</span> 0x4D: l3 = 16384; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 16384 KB, 16 ways, 64 byte lines</span></div>
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <span class="keywordflow">case</span> 0x4E: l2 = 6144; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 6144 KB, 24 ways, 64 byte lines</span></div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  <span class="keywordflow">case</span> 0x78: l2 = 1024; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 1024 KB, 4 ways, 64 byte lines</span></div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <span class="keywordflow">case</span> 0x79: l2 = 128; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 128 KB, 8 ways, 64 byte lines, dual-sectored</span></div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="keywordflow">case</span> 0x7A: l2 = 256; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 256 KB, 8 ways, 64 byte lines, dual-sectored</span></div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  <span class="keywordflow">case</span> 0x7B: l2 = 512; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 512 KB, 8 ways, 64 byte lines, dual-sectored</span></div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <span class="keywordflow">case</span> 0x7C: l2 = 1024; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 1024 KB, 8 ways, 64 byte lines, dual-sectored</span></div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <span class="keywordflow">case</span> 0x7D: l2 = 2048; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 2048 KB, 8 ways, 64 byte lines</span></div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <span class="keywordflow">case</span> 0x7E: l2 = 256; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 256 KB, 8 ways, 128 byte lines, sect. (IA-64)</span></div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  <span class="keywordflow">case</span> 0x7F: l2 = 512; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 512 KB, 2 ways, 64 byte lines</span></div>
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  <span class="keywordflow">case</span> 0x80: l2 = 512; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 512 KB, 8 ways, 64 byte lines</span></div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  <span class="keywordflow">case</span> 0x81: l2 = 128; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 128 KB, 8 ways, 32 byte lines</span></div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <span class="keywordflow">case</span> 0x82: l2 = 256; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 256 KB, 8 ways, 32 byte lines</span></div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  <span class="keywordflow">case</span> 0x83: l2 = 512; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 512 KB, 8 ways, 32 byte lines</span></div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="keywordflow">case</span> 0x84: l2 = 1024; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 1024 KB, 8 ways, 32 byte lines</span></div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <span class="keywordflow">case</span> 0x85: l2 = 2048; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 2048 KB, 8 ways, 32 byte lines</span></div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  <span class="keywordflow">case</span> 0x86: l2 = 512; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 512 KB, 4 ways, 64 byte lines</span></div>
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <span class="keywordflow">case</span> 0x87: l2 = 1024; <span class="keywordflow">break</span>; <span class="comment">// code and data L2 cache, 1024 KB, 8 ways, 64 byte lines</span></div>
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="keywordflow">case</span> 0x88: l3 = 2048; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 2048 KB, 4 ways, 64 byte lines (IA-64)</span></div>
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="keywordflow">case</span> 0x89: l3 = 4096; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 4096 KB, 4 ways, 64 byte lines (IA-64)</span></div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  <span class="keywordflow">case</span> 0x8A: l3 = 8192; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 8192 KB, 4 ways, 64 byte lines (IA-64)</span></div>
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="keywordflow">case</span> 0x8D: l3 = 3072; <span class="keywordflow">break</span>; <span class="comment">// code and data L3 cache, 3072 KB, 12 ways, 128 byte lines (IA-64)</span></div>
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span> </div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  <span class="keywordflow">default</span>: <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  }</div>
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  }</div>
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  <span class="keywordflow">if</span>(check_for_p2_core2 && l2 == l3)</div>
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  l3 = 0;</div>
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  l1 *= 1024;</div>
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  l2 *= 1024;</div>
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  l3 *= 1024;</div>
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span> }</div>
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span> </div>
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> queryCacheSizes_intel(<span class="keywordtype">int</span>& l1, <span class="keywordtype">int</span>& l2, <span class="keywordtype">int</span>& l3, <span class="keywordtype">int</span> max_std_funcs)</div>
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span> {</div>
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  <span class="keywordflow">if</span>(max_std_funcs>=4)</div>
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  queryCacheSizes_intel_direct(l1,l2,l3);</div>
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  queryCacheSizes_intel_codes(l1,l2,l3);</div>
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span> }</div>
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span> </div>
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> queryCacheSizes_amd(<span class="keywordtype">int</span>& l1, <span class="keywordtype">int</span>& l2, <span class="keywordtype">int</span>& l3)</div>
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span> {</div>
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  <span class="keywordtype">int</span> abcd[4];</div>
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  abcd[0] = abcd[1] = abcd[2] = abcd[3] = 0;</div>
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  EIGEN_CPUID(abcd,0x80000005,0);</div>
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  l1 = (abcd[2] >> 24) * 1024; <span class="comment">// C[31:24] = L1 size in KB</span></div>
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  abcd[0] = abcd[1] = abcd[2] = abcd[3] = 0;</div>
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  EIGEN_CPUID(abcd,0x80000006,0);</div>
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  l2 = (abcd[2] >> 16) * 1024; <span class="comment">// C[31;16] = l2 cache size in KB</span></div>
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  l3 = ((abcd[3] & 0xFFFC000) >> 18) * 512 * 1024; <span class="comment">// D[31;18] = l3 cache size in 512KB</span></div>
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span> }</div>
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> queryCacheSizes(<span class="keywordtype">int</span>& l1, <span class="keywordtype">int</span>& l2, <span class="keywordtype">int</span>& l3)</div>
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span> {</div>
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span> <span class="preprocessor"> #ifdef EIGEN_CPUID</span></div>
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span> <span class="preprocessor"></span> <span class="keywordtype">int</span> abcd[4];</div>
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span> </div>
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="comment">// identify the CPU vendor</span></div>
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  EIGEN_CPUID(abcd,0x0,0);</div>
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  <span class="keywordtype">int</span> max_std_funcs = abcd[1];</div>
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  <span class="keywordflow">if</span>(cpuid_is_vendor(abcd,<span class="stringliteral">"GenuineIntel"</span>))</div>
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  queryCacheSizes_intel(l1,l2,l3,max_std_funcs);</div>
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span>(cpuid_is_vendor(abcd,<span class="stringliteral">"AuthenticAMD"</span>) || cpuid_is_vendor(abcd,<span class="stringliteral">"AMDisbetter!"</span>))</div>
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  queryCacheSizes_amd(l1,l2,l3);</div>
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  <span class="comment">// by default let's use Intel's API</span></div>
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  queryCacheSizes_intel(l1,l2,l3,max_std_funcs);</div>
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span> </div>
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  <span class="comment">// here is the list of other vendors:</span></div>
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span> <span class="comment">// ||cpuid_is_vendor(abcd,"VIA VIA VIA ")</span></div>
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span> <span class="comment">// ||cpuid_is_vendor(abcd,"CyrixInstead")</span></div>
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span> <span class="comment">// ||cpuid_is_vendor(abcd,"CentaurHauls")</span></div>
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span> <span class="comment">// ||cpuid_is_vendor(abcd,"GenuineTMx86")</span></div>
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span> <span class="comment">// ||cpuid_is_vendor(abcd,"TransmetaCPU")</span></div>
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span> <span class="comment">// ||cpuid_is_vendor(abcd,"RiseRiseRise")</span></div>
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> <span class="comment">// ||cpuid_is_vendor(abcd,"Geode by NSC")</span></div>
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span> <span class="comment">// ||cpuid_is_vendor(abcd,"SiS SiS SiS ")</span></div>
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span> <span class="comment">// ||cpuid_is_vendor(abcd,"UMC UMC UMC ")</span></div>
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span> <span class="comment">// ||cpuid_is_vendor(abcd,"NexGenDriven")</span></div>
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span> <span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span> <span class="preprocessor"></span> l1 = l2 = l3 = -1;</div>
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span> </div>
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> queryL1CacheSize()</div>
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span> {</div>
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  <span class="keywordtype">int</span> l1(-1), l2, l3;</div>
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  queryCacheSizes(l1,l2,l3);</div>
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <span class="keywordflow">return</span> l1;</div>
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span> }</div>
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span> </div>
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> queryTopLevelCacheSize()</div>
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> {</div>
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  <span class="keywordtype">int</span> l1, l2(-1), l3(-1);</div>
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  queryCacheSizes(l1,l2,l3);</div>
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  <span class="keywordflow">return</span> (std::max)(l2,l3);</div>
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span> }</div>
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span> </div>
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span> } <span class="comment">// end namespace internal</span></div>
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span> </div>
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span> } <span class="comment">// end namespace Eigen</span></div>
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span> </div>
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span> <span class="preprocessor">#endif // EIGEN_MEMORY_H</span></div>
<div class="ttc" id="classEigen_1_1aligned__allocator_html"><div class="ttname"><a href="classEigen_1_1aligned__allocator.html">Eigen::aligned_allocator</a></div><div class="ttdoc">STL compatible allocator to use with with 16 byte aligned types. </div><div class="ttdef"><b>Definition:</b> Memory.h:671</div></div>
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