<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.5"/> <title>Eigen: Complex.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); }); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> <link href="eigendoxy.css" rel="stylesheet" type="text/css"> <!-- --> <script type="text/javascript" src="eigen_navtree_hacks.js"></script> <!-- <script type="text/javascript"> --> <!-- </script> --> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <!-- <a name="top"></a> --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectlogo"><img alt="Logo" src="Eigen_Silly_Professor_64x64.png"/></td> <td style="padding-left: 0.5em;"> <div id="projectname"><a href="http://eigen.tuxfamily.org">Eigen</a>  <span id="projectnumber">3.2.0</span> </div> </td> <td> <div id="MSearchBox" class="MSearchBoxInactive"> <span class="left"> <img id="MSearchSelect" src="search/mag_sel.png" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/> <input type="text" id="MSearchField" value="Search" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> </span><span class="right"> <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> </span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.5 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('AltiVec_2Complex_8h_source.html','');}); </script> <div id="doc-content"> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> <a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Friends</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark"> </span>Pages</a></div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="headertitle"> <div class="title">AltiVec/Complex.h</div> </div> </div><!--header--> <div class="contents"> <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) 2010 Gael Guennebaud <gael.guennebaud@inria.fr></span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// This Source Code Form is subject to the terms of the Mozilla</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Public License v. 2.0. If a copy of the MPL was not distributed</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#ifndef EIGEN_COMPLEX_ALTIVEC_H</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_COMPLEX_ALTIVEC_H</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span>Eigen {</div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>internal {</div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">static</span> Packet4ui p4ui_CONJ_XOR = vec_mergeh((Packet4ui)p4i_ZERO, (Packet4ui)p4f_ZERO_);<span class="comment">//{ 0x00000000, 0x80000000, 0x00000000, 0x80000000 };</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">static</span> Packet16uc p16uc_COMPLEX_RE = vec_sld((Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 0), (Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 2), 8);<span class="comment">//{ 0,1,2,3, 0,1,2,3, 8,9,10,11, 8,9,10,11 };</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">static</span> Packet16uc p16uc_COMPLEX_IM = vec_sld((Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 1), (Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 3), 8);<span class="comment">//{ 4,5,6,7, 4,5,6,7, 12,13,14,15, 12,13,14,15 };</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">static</span> Packet16uc p16uc_COMPLEX_REV = vec_sld(p16uc_REVERSE, p16uc_REVERSE, 8);<span class="comment">//{ 4,5,6,7, 0,1,2,3, 12,13,14,15, 8,9,10,11 };</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">static</span> Packet16uc p16uc_COMPLEX_REV2 = vec_sld(p16uc_FORWARD, p16uc_FORWARD, 8);<span class="comment">//{ 8,9,10,11, 12,13,14,15, 0,1,2,3, 4,5,6,7 };</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">static</span> Packet16uc p16uc_PSET_HI = (Packet16uc) vec_mergeh((Packet4ui) vec_splat((Packet4ui)p16uc_FORWARD, 0), (Packet4ui) vec_splat((Packet4ui)p16uc_FORWARD, 1));<span class="comment">//{ 0,1,2,3, 4,5,6,7, 0,1,2,3, 4,5,6,7 };</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">static</span> Packet16uc p16uc_PSET_LO = (Packet16uc) vec_mergeh((Packet4ui) vec_splat((Packet4ui)p16uc_FORWARD, 2), (Packet4ui) vec_splat((Packet4ui)p16uc_FORWARD, 3));<span class="comment">//{ 8,9,10,11, 12,13,14,15, 8,9,10,11, 12,13,14,15 };</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">//---------- float ----------</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">struct </span>Packet2cf</div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> {</div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  EIGEN_STRONG_INLINE Packet2cf() {}</div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  EIGEN_STRONG_INLINE <span class="keyword">explicit</span> Packet2cf(<span class="keyword">const</span> Packet4f& a) : v(a) {}</div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  Packet4f v;</div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> };</div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">template</span><> <span class="keyword">struct </span>packet_traits<std::complex<float> > : default_packet_traits</div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> {</div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">typedef</span> Packet2cf type;</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">enum</span> {</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  Vectorizable = 1,</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  AlignedOnScalar = 1,</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  size = 2,</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  HasAdd = 1,</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  HasSub = 1,</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  HasMul = 1,</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  HasDiv = 1,</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  HasNegate = 1,</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  HasAbs = 0,</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  HasAbs2 = 0,</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  HasMin = 0,</div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  HasMax = 0,</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  HasSetLinear = 0</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  };</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> };</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">template</span><> <span class="keyword">struct </span>unpacket_traits<Packet2cf> { <span class="keyword">typedef</span> std::complex<float> type; <span class="keyword">enum</span> {size=2}; };</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf pset1<Packet2cf>(<span class="keyword">const</span> std::complex<float>& from)</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> {</div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  Packet2cf res;</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">/* On AltiVec we cannot load 64-bit registers, so wa have to take care of alignment */</span></div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">if</span>((ptrdiff_t(&from) % 16) == 0)</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  res.v = pload<Packet4f>((<span class="keyword">const</span> <span class="keywordtype">float</span> *)&from);</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">else</span></div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  res.v = ploadu<Packet4f>((<span class="keyword">const</span> <span class="keywordtype">float</span> *)&from);</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  res.v = vec_perm(res.v, res.v, p16uc_PSET_HI);</div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> res;</div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> }</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf padd<Packet2cf>(<span class="keyword">const</span> Packet2cf& a, <span class="keyword">const</span> Packet2cf& b) { <span class="keywordflow">return</span> Packet2cf(vec_add(a.v,b.v)); }</div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf psub<Packet2cf>(<span class="keyword">const</span> Packet2cf& a, <span class="keyword">const</span> Packet2cf& b) { <span class="keywordflow">return</span> Packet2cf(vec_sub(a.v,b.v)); }</div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf pnegate(<span class="keyword">const</span> Packet2cf& a) { <span class="keywordflow">return</span> Packet2cf(pnegate(a.v)); }</div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf pconj(<span class="keyword">const</span> Packet2cf& a) { <span class="keywordflow">return</span> Packet2cf((Packet4f)vec_xor((Packet4ui)a.v, p4ui_CONJ_XOR)); }</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf pmul<Packet2cf>(<span class="keyword">const</span> Packet2cf& a, <span class="keyword">const</span> Packet2cf& b)</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> {</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  Packet4f v1, v2;</div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// Permute and multiply the real parts of a and b</span></div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  v1 = vec_perm(a.v, a.v, p16uc_COMPLEX_RE);</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// Get the imaginary parts of a</span></div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  v2 = vec_perm(a.v, a.v, p16uc_COMPLEX_IM);</div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// multiply a_re * b </span></div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  v1 = vec_madd(v1, b.v, p4f_ZERO);</div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// multiply a_im * b and get the conjugate result</span></div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  v2 = vec_madd(v2, b.v, p4f_ZERO);</div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  v2 = (Packet4f) vec_xor((Packet4ui)v2, p4ui_CONJ_XOR);</div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// permute back to a proper order</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  v2 = vec_perm(v2, v2, p16uc_COMPLEX_REV);</div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> Packet2cf(vec_add(v1, v2));</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> }</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf pand <Packet2cf>(<span class="keyword">const</span> Packet2cf& a, <span class="keyword">const</span> Packet2cf& b) { <span class="keywordflow">return</span> Packet2cf(vec_and(a.v,b.v)); }</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf por <Packet2cf>(<span class="keyword">const</span> Packet2cf& a, <span class="keyword">const</span> Packet2cf& b) { <span class="keywordflow">return</span> Packet2cf(vec_or(a.v,b.v)); }</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf pxor <Packet2cf>(<span class="keyword">const</span> Packet2cf& a, <span class="keyword">const</span> Packet2cf& b) { <span class="keywordflow">return</span> Packet2cf(vec_xor(a.v,b.v)); }</div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf pandnot<Packet2cf>(<span class="keyword">const</span> Packet2cf& a, <span class="keyword">const</span> Packet2cf& b) { <span class="keywordflow">return</span> Packet2cf(vec_and(a.v, vec_nor(b.v,b.v))); }</div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf pload <Packet2cf>(<span class="keyword">const</span> std::complex<float>* from) { EIGEN_DEBUG_ALIGNED_LOAD <span class="keywordflow">return</span> Packet2cf(pload<Packet4f>((<span class="keyword">const</span> <span class="keywordtype">float</span>*)from)); }</div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf ploadu<Packet2cf>(<span class="keyword">const</span> std::complex<float>* from) { EIGEN_DEBUG_UNALIGNED_LOAD <span class="keywordflow">return</span> Packet2cf(ploadu<Packet4f>((<span class="keyword">const</span> <span class="keywordtype">float</span>*)from)); }</div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf ploaddup<Packet2cf>(<span class="keyword">const</span> std::complex<float>* from)</div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> {</div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> pset1<Packet2cf>(*from);</div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> }</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> pstore <std::complex<float> >(std::complex<float> * to, <span class="keyword">const</span> Packet2cf& from) { EIGEN_DEBUG_ALIGNED_STORE pstore((<span class="keywordtype">float</span>*)to, from.v); }</div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> pstoreu<std::complex<float> >(std::complex<float> * to, <span class="keyword">const</span> Packet2cf& from) { EIGEN_DEBUG_UNALIGNED_STORE pstoreu((<span class="keywordtype">float</span>*)to, from.v); }</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> prefetch<std::complex<float> >(<span class="keyword">const</span> std::complex<float> * addr) { vec_dstt((<span class="keywordtype">float</span> *)addr, DST_CTRL(2,2,32), DST_CHAN); }</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE std::complex<float> pfirst<Packet2cf>(<span class="keyword">const</span> Packet2cf& a)</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>  std::complex<float> EIGEN_ALIGN16 res[2];</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  pstore((<span class="keywordtype">float</span> *)&res, a.v);</div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> res[0];</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> }</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> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf preverse(<span class="keyword">const</span> Packet2cf& a)</div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span> {</div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  Packet4f rev_a;</div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  rev_a = vec_perm(a.v, a.v, p16uc_COMPLEX_REV2);</div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> Packet2cf(rev_a);</div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> }</div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE std::complex<float> predux<Packet2cf>(<span class="keyword">const</span> Packet2cf& a)</div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> {</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  Packet4f b;</div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  b = (Packet4f) vec_sld(a.v, a.v, 8);</div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  b = padd(a.v, b);</div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">return</span> pfirst(Packet2cf(b));</div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> }</div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf preduxp<Packet2cf>(<span class="keyword">const</span> Packet2cf* vecs)</div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> {</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  Packet4f b1, b2;</div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  b1 = (Packet4f) vec_sld(vecs[0].v, vecs[1].v, 8);</div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  b2 = (Packet4f) vec_sld(vecs[1].v, vecs[0].v, 8);</div> <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  b2 = (Packet4f) vec_sld(b2, b2, 8);</div> <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  b2 = padd(b1, b2);</div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">return</span> Packet2cf(b2);</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> </div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE std::complex<float> predux_mul<Packet2cf>(<span class="keyword">const</span> Packet2cf& a)</div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> {</div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  Packet4f b;</div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  Packet2cf prod;</div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  b = (Packet4f) vec_sld(a.v, a.v, 8);</div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  prod = pmul(a, Packet2cf(b));</div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">return</span> pfirst(prod);</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> </div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">template</span><<span class="keywordtype">int</span> Offset></div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">struct </span>palign_impl<Offset,Packet2cf></div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> {</div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">static</span> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> run(Packet2cf& first, <span class="keyword">const</span> Packet2cf& second)</div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  {</div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (Offset==1)</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>  first.v = vec_sld(first.v, second.v, 8);</div> <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div> <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> };</div> <div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div> <div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">template</span><> <span class="keyword">struct </span>conj_helper<Packet2cf, Packet2cf, false,true></div> <div class="line"><a name="l00168"></a><span class="lineno"> 168</span> {</div> <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  EIGEN_STRONG_INLINE Packet2cf pmadd(<span class="keyword">const</span> Packet2cf& x, <span class="keyword">const</span> Packet2cf& y, <span class="keyword">const</span> Packet2cf& c)<span class="keyword"> const</span></div> <div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> padd(pmul(x,y),c); }</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>  EIGEN_STRONG_INLINE Packet2cf pmul(<span class="keyword">const</span> Packet2cf& a, <span class="keyword">const</span> Packet2cf& b)<span class="keyword"> const</span></div> <div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="keyword"> </span>{</div> <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">return</span> internal::pmul(a, pconj(b));</div> <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</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="keyword">template</span><> <span class="keyword">struct </span>conj_helper<Packet2cf, Packet2cf, true,false></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>  EIGEN_STRONG_INLINE Packet2cf pmadd(<span class="keyword">const</span> Packet2cf& x, <span class="keyword">const</span> Packet2cf& y, <span class="keyword">const</span> Packet2cf& c)<span class="keyword"> const</span></div> <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> padd(pmul(x,y),c); }</div> <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div> <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  EIGEN_STRONG_INLINE Packet2cf pmul(<span class="keyword">const</span> Packet2cf& a, <span class="keyword">const</span> Packet2cf& b)<span class="keyword"> const</span></div> <div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keyword"> </span>{</div> <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span> internal::pmul(pconj(a), b);</div> <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div> <div class="line"><a name="l00187"></a><span class="lineno"> 187</span> };</div> <div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div> <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="keyword">template</span><> <span class="keyword">struct </span>conj_helper<Packet2cf, Packet2cf, true,true></div> <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> {</div> <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  EIGEN_STRONG_INLINE Packet2cf pmadd(<span class="keyword">const</span> Packet2cf& x, <span class="keyword">const</span> Packet2cf& y, <span class="keyword">const</span> Packet2cf& c)<span class="keyword"> const</span></div> <div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> padd(pmul(x,y),c); }</div> <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div> <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  EIGEN_STRONG_INLINE Packet2cf pmul(<span class="keyword">const</span> Packet2cf& a, <span class="keyword">const</span> Packet2cf& b)<span class="keyword"> const</span></div> <div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="keyword"> </span>{</div> <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">return</span> pconj(internal::pmul(a, b));</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> };</div> <div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div> <div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf pdiv<Packet2cf>(<span class="keyword">const</span> Packet2cf& a, <span class="keyword">const</span> Packet2cf& b)</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>  <span class="comment">// TODO optimize it for AltiVec</span></div> <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  Packet2cf res = conj_helper<Packet2cf,Packet2cf,false,true>().pmul(a,b);</div> <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  Packet4f s = vec_madd(b.v, b.v, p4f_ZERO);</div> <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">return</span> Packet2cf(pdiv(res.v, vec_add(s,vec_perm(s, s, p16uc_COMPLEX_REV))));</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> </div> <div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2cf pcplxflip<Packet2cf>(<span class="keyword">const</span> Packet2cf& x)</div> <div class="line"><a name="l00209"></a><span class="lineno"> 209</span> {</div> <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">return</span> Packet2cf(vec_perm(x.v, x.v, p16uc_COMPLEX_REV));</div> <div class="line"><a name="l00211"></a><span class="lineno"> 211</span> }</div> <div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div> <div class="line"><a name="l00213"></a><span class="lineno"> 213</span> } <span class="comment">// end namespace internal</span></div> <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div> <div class="line"><a name="l00215"></a><span class="lineno"> 215</span> } <span class="comment">// end namespace Eigen</span></div> <div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div> <div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor">#endif // EIGEN_COMPLEX_ALTIVEC_H</span></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_e49d68e3078f12dfcf157021597ad168.html">Eigen</a></li><li class="navelem"><a class="el" href="dir_64b228556dc7f9fe757d43bb57fbfc24.html">src</a></li><li class="navelem"><a class="el" href="dir_55812ea607075be3acfc18281a2aed64.html">Core</a></li><li class="navelem"><a class="el" href="dir_63510d621391414c0b7134ee47ac4a4f.html">arch</a></li><li class="navelem"><a class="el" href="dir_665fb85155e09106c85993f65751fd20.html">AltiVec</a></li><li class="navelem"><b>Complex.h</b></li> <li class="footer">Generated on Mon Oct 28 2013 11:04:23 for Eigen by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.5 </li> </ul> </div> <!-- Piwik --> <!-- <script type="text/javascript"> var pkBaseURL = (("https:" == document.location.protocol) ? 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