<!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: PacketMath.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_2PacketMath_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/PacketMath.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) 2008 Konstantinos Margaritis <markos@codex.gr></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_PACKET_MATH_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_PACKET_MATH_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="preprocessor">#ifndef EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 4</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifndef EIGEN_HAS_FUSE_CJMADD</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_HAS_FUSE_CJMADD 1</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// NOTE Altivec has 32 registers, but Eigen only accepts a value of 8 or 16</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#ifndef EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 16</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">typedef</span> __vector <span class="keywordtype">float</span> Packet4f;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">typedef</span> __vector <span class="keywordtype">int</span> Packet4i;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">typedef</span> __vector <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Packet4ui;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">typedef</span> __vector __bool <span class="keywordtype">int</span> Packet4bi;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">typedef</span> __vector <span class="keywordtype">short</span> <span class="keywordtype">int</span> Packet8i;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">typedef</span> __vector <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Packet16uc;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// We don't want to write the same code all the time, but we need to reuse the constants</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// and it doesn't really work to declare them global, so we define macros instead</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#define _EIGEN_DECLARE_CONST_FAST_Packet4f(NAME,X) \</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"> Packet4f p4f_##NAME = (Packet4f) vec_splat_s32(X)</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#define _EIGEN_DECLARE_CONST_FAST_Packet4i(NAME,X) \</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"> Packet4i p4i_##NAME = vec_splat_s32(X)</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#define _EIGEN_DECLARE_CONST_Packet4f(NAME,X) \</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"> Packet4f p4f_##NAME = pset1<Packet4f>(X)</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#define _EIGEN_DECLARE_CONST_Packet4f_FROM_INT(NAME,X) \</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"> Packet4f p4f_##NAME = vreinterpretq_f32_u32(pset1<int>(X))</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#define _EIGEN_DECLARE_CONST_Packet4i(NAME,X) \</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"> Packet4i p4i_##NAME = pset1<Packet4i>(X)</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#define DST_CHAN 1</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"></span><span class="preprocessor">#define DST_CTRL(size, count, stride) (((size) << 24) | ((count) << 16) | (stride))</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// Define global static constants:</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">static</span> Packet4f p4f_COUNTDOWN = { 3.0, 2.0, 1.0, 0.0 };</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">static</span> Packet4i p4i_COUNTDOWN = { 3, 2, 1, 0 };</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">static</span> Packet16uc p16uc_REVERSE = {12,13,14,15, 8,9,10,11, 4,5,6,7, 0,1,2,3};</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">static</span> Packet16uc p16uc_FORWARD = vec_lvsl(0, (<span class="keywordtype">float</span>*)0);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">static</span> Packet16uc p16uc_DUPLICATE = {0,1,2,3, 0,1,2,3, 4,5,6,7, 4,5,6,7};</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">static</span> _EIGEN_DECLARE_CONST_FAST_Packet4f(ZERO, 0);</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">static</span> _EIGEN_DECLARE_CONST_FAST_Packet4i(ZERO, 0);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">static</span> _EIGEN_DECLARE_CONST_FAST_Packet4i(ONE,1);</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">static</span> _EIGEN_DECLARE_CONST_FAST_Packet4i(MINUS16,-16);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">static</span> _EIGEN_DECLARE_CONST_FAST_Packet4i(MINUS1,-1);</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">static</span> Packet4f p4f_ONE = vec_ctf(p4i_ONE, 0);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">static</span> Packet4f p4f_ZERO_ = (Packet4f) vec_sl((Packet4ui)p4i_MINUS1, (Packet4ui)p4i_MINUS1);</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><> <span class="keyword">struct </span>packet_traits<float> : default_packet_traits</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>  <span class="keyword">typedef</span> Packet4f type;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  Vectorizable = 1,</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  AlignedOnScalar = 1,</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  size=4,</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// FIXME check the Has*</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  HasSin = 0,</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  HasCos = 0,</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  HasLog = 0,</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  HasExp = 0,</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  HasSqrt = 0</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  };</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="keyword">template</span><> <span class="keyword">struct </span>packet_traits<int> : default_packet_traits</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>  <span class="keyword">typedef</span> Packet4i type;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// FIXME check the Has*</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  Vectorizable = 1,</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  AlignedOnScalar = 1,</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  size=4</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</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> </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">template</span><> <span class="keyword">struct </span>unpacket_traits<Packet4f> { <span class="keyword">typedef</span> <span class="keywordtype">float</span> type; <span class="keyword">enum</span> {size=4}; };</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">template</span><> <span class="keyword">struct </span>unpacket_traits<Packet4i> { <span class="keyword">typedef</span> <span class="keywordtype">int</span> type; <span class="keyword">enum</span> {size=4}; };</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment">inline std::ostream & operator <<(std::ostream & s, const Packet4f & v)</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment">{</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> union {</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> Packet4f v;</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> float n[4];</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> } vt;</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"> vt.v = v;</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> return s;</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment">}</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"></span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment">inline std::ostream & operator <<(std::ostream & s, const Packet4i & v)</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment">{</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> union {</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> Packet4i v;</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> int n[4];</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> } vt;</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> vt.v = v;</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> return s;</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment">}</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"></span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment">inline std::ostream & operator <<(std::ostream & s, const Packet4ui & v)</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment">{</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment"> union {</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"> Packet4ui v;</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"> unsigned int n[4];</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment"> } vt;</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> vt.v = v;</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> return s;</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">}</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"></span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment">inline std::ostream & operator <<(std::ostream & s, const Packetbi & v)</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment">{</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> union {</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> Packet4bi v;</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"> unsigned int n[4];</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> } vt;</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment"> vt.v = v;</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"> s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> return s;</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment">}</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(<span class="keyword">const</span> <span class="keywordtype">float</span>& from) {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordtype">float</span> EIGEN_ALIGN16 af[4];</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  af[0] = from;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  Packet4f vc = vec_ld(0, af);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  vc = vec_splat(vc, 0);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> vc;</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> </div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(<span class="keyword">const</span> <span class="keywordtype">int</span>& from) {</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordtype">int</span> EIGEN_ALIGN16 ai[4];</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  ai[0] = from;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  Packet4i vc = vec_ld(0, ai);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  vc = vec_splat(vc, 0);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> vc;</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> </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f plset<float>(<span class="keyword">const</span> <span class="keywordtype">float</span>& a) { <span class="keywordflow">return</span> vec_add(pset1<Packet4f>(a), p4f_COUNTDOWN); }</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i plset<int>(<span class="keyword">const</span> <span class="keywordtype">int</span>& a) { <span class="keywordflow">return</span> vec_add(pset1<Packet4i>(a), p4i_COUNTDOWN); }</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><> EIGEN_STRONG_INLINE Packet4f padd<Packet4f>(<span class="keyword">const</span> Packet4f& a, <span class="keyword">const</span> Packet4f& b) { <span class="keywordflow">return</span> vec_add(a,b); }</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i padd<Packet4i>(<span class="keyword">const</span> Packet4i& a, <span class="keyword">const</span> Packet4i& b) { <span class="keywordflow">return</span> vec_add(a,b); }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f psub<Packet4f>(<span class="keyword">const</span> Packet4f& a, <span class="keyword">const</span> Packet4f& b) { <span class="keywordflow">return</span> vec_sub(a,b); }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i psub<Packet4i>(<span class="keyword">const</span> Packet4i& a, <span class="keyword">const</span> Packet4i& b) { <span class="keywordflow">return</span> vec_sub(a,b); }</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pnegate(<span class="keyword">const</span> Packet4f& a) { <span class="keywordflow">return</span> psub<Packet4f>(p4f_ZERO, a); }</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pnegate(<span class="keyword">const</span> Packet4i& a) { <span class="keywordflow">return</span> psub<Packet4i>(p4i_ZERO, a); }</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> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pconj(<span class="keyword">const</span> Packet4f& a) { <span class="keywordflow">return</span> a; }</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pconj(<span class="keyword">const</span> Packet4i& a) { <span class="keywordflow">return</span> a; }</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pmul<Packet4f>(<span class="keyword">const</span> Packet4f& a, <span class="keyword">const</span> Packet4f& b) { <span class="keywordflow">return</span> vec_madd(a,b,p4f_ZERO); }</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment">/* Commented out: it's actually slower than processing it scalar</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">template<> EIGEN_STRONG_INLINE Packet4i pmul<Packet4i>(const Packet4i& a, const Packet4i& b)</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> <span class="comment"> // Detailed in: http://freevec.org/content/32bit_signed_integer_multiplication_altivec</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"> //Set up constants, variables</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> Packet4i a1, b1, bswap, low_prod, high_prod, prod, prod_, v1sel;</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment"></span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment"> // Get the absolute values</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment"> a1 = vec_abs(a);</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"> b1 = vec_abs(b);</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"></span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"> // Get the signs using xor</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment"> Packet4bi sgn = (Packet4bi) vec_cmplt(vec_xor(a, b), p4i_ZERO);</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment"></span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment"> // Do the multiplication for the asbolute values.</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"> bswap = (Packet4i) vec_rl((Packet4ui) b1, (Packet4ui) p4i_MINUS16 );</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment"> low_prod = vec_mulo((Packet8i) a1, (Packet8i)b1);</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment"> high_prod = vec_msum((Packet8i) a1, (Packet8i) bswap, p4i_ZERO);</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment"> high_prod = (Packet4i) vec_sl((Packet4ui) high_prod, (Packet4ui) p4i_MINUS16);</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> prod = vec_add( low_prod, high_prod );</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"></span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"> // NOR the product and select only the negative elements according to the sign mask</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> prod_ = vec_nor(prod, prod);</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"> prod_ = vec_sel(p4i_ZERO, prod_, sgn);</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"></span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> // Add 1 to the result to get the negative numbers</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> v1sel = vec_sel(p4i_ZERO, p4i_ONE, sgn);</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"> prod_ = vec_add(prod_, v1sel);</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"></span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> // Merge the results back to the final vector.</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> prod = vec_sel(prod, prod_, sgn);</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"></span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"> return prod;</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment">}</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pdiv<Packet4f>(<span class="keyword">const</span> Packet4f& a, <span class="keyword">const</span> Packet4f& b)</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> {</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  Packet4f t, y_0, y_1, res;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// Altivec does not offer a divide instruction, we have to do a reciprocal approximation</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  y_0 = vec_re(b);</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// Do one Newton-Raphson iteration to get the needed accuracy</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  t = vec_nmsub(y_0, b, p4f_ONE);</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  y_1 = vec_madd(y_0, t, y_0);</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  res = vec_madd(a, y_1, p4f_ZERO);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> }</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pdiv<Packet4i>(<span class="keyword">const</span> Packet4i& <span class="comment">/*a*/</span>, <span class="keyword">const</span> Packet4i& <span class="comment">/*b*/</span>)</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> { eigen_assert(<span class="keyword">false</span> && <span class="stringliteral">"packet integer division are not supported by AltiVec"</span>);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> pset1<Packet4i>(0);</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> }</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> <span class="comment">// for some weird raisons, it has to be overloaded for packet of integers</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pmadd(<span class="keyword">const</span> Packet4f& a, <span class="keyword">const</span> Packet4f& b, <span class="keyword">const</span> Packet4f& c) { <span class="keywordflow">return</span> vec_madd(a, b, c); }</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pmadd(<span class="keyword">const</span> Packet4i& a, <span class="keyword">const</span> Packet4i& b, <span class="keyword">const</span> Packet4i& c) { <span class="keywordflow">return</span> padd(pmul(a,b), c); }</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="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pmin<Packet4f>(<span class="keyword">const</span> Packet4f& a, <span class="keyword">const</span> Packet4f& b) { <span class="keywordflow">return</span> vec_min(a, b); }</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pmin<Packet4i>(<span class="keyword">const</span> Packet4i& a, <span class="keyword">const</span> Packet4i& b) { <span class="keywordflow">return</span> vec_min(a, b); }</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pmax<Packet4f>(<span class="keyword">const</span> Packet4f& a, <span class="keyword">const</span> Packet4f& b) { <span class="keywordflow">return</span> vec_max(a, b); }</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pmax<Packet4i>(<span class="keyword">const</span> Packet4i& a, <span class="keyword">const</span> Packet4i& b) { <span class="keywordflow">return</span> vec_max(a, b); }</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment">// Logical Operations are not supported for float, so we have to reinterpret casts using NEON intrinsics</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pand<Packet4f>(<span class="keyword">const</span> Packet4f& a, <span class="keyword">const</span> Packet4f& b) { <span class="keywordflow">return</span> vec_and(a, b); }</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pand<Packet4i>(<span class="keyword">const</span> Packet4i& a, <span class="keyword">const</span> Packet4i& b) { <span class="keywordflow">return</span> vec_and(a, b); }</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f por<Packet4f>(<span class="keyword">const</span> Packet4f& a, <span class="keyword">const</span> Packet4f& b) { <span class="keywordflow">return</span> vec_or(a, b); }</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i por<Packet4i>(<span class="keyword">const</span> Packet4i& a, <span class="keyword">const</span> Packet4i& b) { <span class="keywordflow">return</span> vec_or(a, b); }</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pxor<Packet4f>(<span class="keyword">const</span> Packet4f& a, <span class="keyword">const</span> Packet4f& b) { <span class="keywordflow">return</span> vec_xor(a, b); }</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pxor<Packet4i>(<span class="keyword">const</span> Packet4i& a, <span class="keyword">const</span> Packet4i& b) { <span class="keywordflow">return</span> vec_xor(a, b); }</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pandnot<Packet4f>(<span class="keyword">const</span> Packet4f& a, <span class="keyword">const</span> Packet4f& b) { <span class="keywordflow">return</span> vec_and(a, vec_nor(b, b)); }</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pandnot<Packet4i>(<span class="keyword">const</span> Packet4i& a, <span class="keyword">const</span> Packet4i& b) { <span class="keywordflow">return</span> vec_and(a, vec_nor(b, b)); }</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pload<Packet4f>(<span class="keyword">const</span> <span class="keywordtype">float</span>* from) { EIGEN_DEBUG_ALIGNED_LOAD <span class="keywordflow">return</span> vec_ld(0, from); }</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(<span class="keyword">const</span> <span class="keywordtype">int</span>* from) { EIGEN_DEBUG_ALIGNED_LOAD <span class="keywordflow">return</span> vec_ld(0, from); }</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> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(<span class="keyword">const</span> <span class="keywordtype">float</span>* from)</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>  EIGEN_DEBUG_ALIGNED_LOAD</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="comment">// Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  Packet16uc MSQ, LSQ;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  Packet16uc mask;</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  MSQ = vec_ld(0, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)from); <span class="comment">// most significant quadword</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  LSQ = vec_ld(15, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)from); <span class="comment">// least significant quadword</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  mask = vec_lvsl(0, from); <span class="comment">// create the permute mask</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">return</span> (Packet4f) vec_perm(MSQ, LSQ, mask); <span class="comment">// align the data</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> }</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(<span class="keyword">const</span> <span class="keywordtype">int</span>* from)</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> {</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  EIGEN_DEBUG_ALIGNED_LOAD</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="comment">// Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  Packet16uc MSQ, LSQ;</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  Packet16uc mask;</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  MSQ = vec_ld(0, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)from); <span class="comment">// most significant quadword</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  LSQ = vec_ld(15, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)from); <span class="comment">// least significant quadword</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  mask = vec_lvsl(0, from); <span class="comment">// create the permute mask</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">return</span> (Packet4i) vec_perm(MSQ, LSQ, mask); <span class="comment">// align the data</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> }</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f ploaddup<Packet4f>(<span class="keyword">const</span> <span class="keywordtype">float</span>* from)</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> {</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  Packet4f p;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">if</span>((ptrdiff_t(&from) % 16) == 0) p = pload<Packet4f>(from);</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">else</span> p = ploadu<Packet4f>(from);</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">return</span> vec_perm(p, p, p16uc_DUPLICATE);</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> }</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i ploaddup<Packet4i>(<span class="keyword">const</span> <span class="keywordtype">int</span>* from)</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> {</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  Packet4i p;</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">if</span>((ptrdiff_t(&from) % 16) == 0) p = pload<Packet4i>(from);</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">else</span> p = ploadu<Packet4i>(from);</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">return</span> vec_perm(p, p, p16uc_DUPLICATE);</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> }</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="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> pstore<float>(<span class="keywordtype">float</span>* to, <span class="keyword">const</span> Packet4f& from) { EIGEN_DEBUG_ALIGNED_STORE vec_st(from, 0, to); }</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> pstore<int>(<span class="keywordtype">int</span>* to, <span class="keyword">const</span> Packet4i& from) { EIGEN_DEBUG_ALIGNED_STORE vec_st(from, 0, to); }</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><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> pstoreu<float>(<span class="keywordtype">float</span>* to, <span class="keyword">const</span> Packet4f& from)</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>  EIGEN_DEBUG_UNALIGNED_STORE</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="comment">// Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// Warning: not thread safe!</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  Packet16uc MSQ, LSQ, edges;</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  Packet16uc edgeAlign, align;</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> </div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  MSQ = vec_ld(0, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)to); <span class="comment">// most significant quadword</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  LSQ = vec_ld(15, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)to); <span class="comment">// least significant quadword</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  edgeAlign = vec_lvsl(0, to); <span class="comment">// permute map to extract edges</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  edges=vec_perm(LSQ,MSQ,edgeAlign); <span class="comment">// extract the edges</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  align = vec_lvsr( 0, to ); <span class="comment">// permute map to misalign data</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  MSQ = vec_perm(edges,(Packet16uc)from,align); <span class="comment">// misalign the data (MSQ)</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  LSQ = vec_perm((Packet16uc)from,edges,align); <span class="comment">// misalign the data (LSQ)</span></div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  vec_st( LSQ, 15, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)to ); <span class="comment">// Store the LSQ part first</span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  vec_st( MSQ, 0, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)to ); <span class="comment">// Store the MSQ part</span></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> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> pstoreu<int>(<span class="keywordtype">int</span>* to, <span class="keyword">const</span> Packet4i& from)</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>  EIGEN_DEBUG_UNALIGNED_STORE</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="comment">// Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html</span></div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="comment">// Warning: not thread safe!</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  Packet16uc MSQ, LSQ, edges;</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  Packet16uc edgeAlign, align;</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>  MSQ = vec_ld(0, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)to); <span class="comment">// most significant quadword</span></div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  LSQ = vec_ld(15, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)to); <span class="comment">// least significant quadword</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  edgeAlign = vec_lvsl(0, to); <span class="comment">// permute map to extract edges</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  edges=vec_perm(LSQ, MSQ, edgeAlign); <span class="comment">// extract the edges</span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  align = vec_lvsr( 0, to ); <span class="comment">// permute map to misalign data</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  MSQ = vec_perm(edges, (Packet16uc) from, align); <span class="comment">// misalign the data (MSQ)</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  LSQ = vec_perm((Packet16uc) from, edges, align); <span class="comment">// misalign the data (LSQ)</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  vec_st( LSQ, 15, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)to ); <span class="comment">// Store the LSQ part first</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  vec_st( MSQ, 0, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)to ); <span class="comment">// Store the MSQ part</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> }</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> prefetch<float>(<span class="keyword">const</span> <span class="keywordtype">float</span>* addr) { vec_dstt(addr, DST_CTRL(2,2,32), DST_CHAN); }</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> prefetch<int>(<span class="keyword">const</span> <span class="keywordtype">int</span>* addr) { vec_dstt(addr, DST_CTRL(2,2,32), DST_CHAN); }</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="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">float</span> pfirst<Packet4f>(<span class="keyword">const</span> Packet4f& a) { <span class="keywordtype">float</span> EIGEN_ALIGN16 x[4]; vec_st(a, 0, x); <span class="keywordflow">return</span> x[0]; }</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">int</span> pfirst<Packet4i>(<span class="keyword">const</span> Packet4i& a) { <span class="keywordtype">int</span> EIGEN_ALIGN16 x[4]; vec_st(a, 0, x); <span class="keywordflow">return</span> x[0]; }</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> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f preverse(<span class="keyword">const</span> Packet4f& a) { <span class="keywordflow">return</span> (Packet4f)vec_perm((Packet16uc)a,(Packet16uc)a, p16uc_REVERSE); }</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i preverse(<span class="keyword">const</span> Packet4i& a) { <span class="keywordflow">return</span> (Packet4i)vec_perm((Packet16uc)a,(Packet16uc)a, p16uc_REVERSE); }</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> </div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pabs(<span class="keyword">const</span> Packet4f& a) { <span class="keywordflow">return</span> vec_abs(a); }</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pabs(<span class="keyword">const</span> Packet4i& a) { <span class="keywordflow">return</span> vec_abs(a); }</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="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">float</span> predux<Packet4f>(<span class="keyword">const</span> Packet4f& a)</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> {</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  Packet4f b, sum;</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  b = (Packet4f) vec_sld(a, a, 8);</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  sum = vec_add(a, b);</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  b = (Packet4f) vec_sld(sum, sum, 4);</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  sum = vec_add(sum, b);</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">return</span> pfirst(sum);</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> </div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f preduxp<Packet4f>(<span class="keyword">const</span> Packet4f* vecs)</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>  Packet4f v[4], sum[4];</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> </div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="comment">// It's easier and faster to transpose then add as columns</span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="comment">// Check: http://www.freevec.org/function/matrix_4x4_transpose_floats for explanation</span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="comment">// Do the transpose, first set of moves</span></div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  v[0] = vec_mergeh(vecs[0], vecs[2]);</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  v[1] = vec_mergel(vecs[0], vecs[2]);</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  v[2] = vec_mergeh(vecs[1], vecs[3]);</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  v[3] = vec_mergel(vecs[1], vecs[3]);</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="comment">// Get the resulting vectors</span></div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  sum[0] = vec_mergeh(v[0], v[2]);</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  sum[1] = vec_mergel(v[0], v[2]);</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  sum[2] = vec_mergeh(v[1], v[3]);</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  sum[3] = vec_mergel(v[1], v[3]);</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="comment">// Now do the summation:</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="comment">// Lines 0+1</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  sum[0] = vec_add(sum[0], sum[1]);</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="comment">// Lines 2+3</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  sum[1] = vec_add(sum[2], sum[3]);</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="comment">// Add the results</span></div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  sum[0] = vec_add(sum[0], sum[1]);</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> </div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">return</span> sum[0];</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> }</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> </div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">int</span> predux<Packet4i>(<span class="keyword">const</span> Packet4i& a)</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> {</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  Packet4i sum;</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  sum = vec_sums(a, p4i_ZERO);</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  sum = vec_sld(sum, p4i_ZERO, 12);</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">return</span> pfirst(sum);</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> }</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i preduxp<Packet4i>(<span class="keyword">const</span> Packet4i* vecs)</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>  Packet4i v[4], sum[4];</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> </div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="comment">// It's easier and faster to transpose then add as columns</span></div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="comment">// Check: http://www.freevec.org/function/matrix_4x4_transpose_floats for explanation</span></div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="comment">// Do the transpose, first set of moves</span></div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  v[0] = vec_mergeh(vecs[0], vecs[2]);</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  v[1] = vec_mergel(vecs[0], vecs[2]);</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  v[2] = vec_mergeh(vecs[1], vecs[3]);</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  v[3] = vec_mergel(vecs[1], vecs[3]);</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="comment">// Get the resulting vectors</span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  sum[0] = vec_mergeh(v[0], v[2]);</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  sum[1] = vec_mergel(v[0], v[2]);</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  sum[2] = vec_mergeh(v[1], v[3]);</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  sum[3] = vec_mergel(v[1], v[3]);</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>  <span class="comment">// Now do the summation:</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="comment">// Lines 0+1</span></div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  sum[0] = vec_add(sum[0], sum[1]);</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="comment">// Lines 2+3</span></div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  sum[1] = vec_add(sum[2], sum[3]);</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="comment">// Add the results</span></div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  sum[0] = vec_add(sum[0], sum[1]);</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> </div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">return</span> sum[0];</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="comment">// Other reduction functions:</span></div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="comment">// mul</span></div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">float</span> predux_mul<Packet4f>(<span class="keyword">const</span> Packet4f& a)</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> {</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  Packet4f prod;</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  prod = pmul(a, (Packet4f)vec_sld(a, a, 8));</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">return</span> pfirst(pmul(prod, (Packet4f)vec_sld(prod, prod, 4)));</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> }</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> </div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">int</span> predux_mul<Packet4i>(<span class="keyword">const</span> Packet4i& a)</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>  EIGEN_ALIGN16 <span class="keywordtype">int</span> aux[4];</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  pstore(aux, a);</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">return</span> aux[0] * aux[1] * aux[2] * aux[3];</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> }</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> </div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="comment">// min</span></div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">float</span> predux_min<Packet4f>(<span class="keyword">const</span> Packet4f& a)</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>  Packet4f b, res;</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  b = vec_min(a, vec_sld(a, a, 8));</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  res = vec_min(b, vec_sld(b, b, 4));</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">return</span> pfirst(res);</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> }</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> </div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">int</span> predux_min<Packet4i>(<span class="keyword">const</span> Packet4i& a)</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> {</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  Packet4i b, res;</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  b = vec_min(a, vec_sld(a, a, 8));</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  res = vec_min(b, vec_sld(b, b, 4));</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">return</span> pfirst(res);</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> }</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> </div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="comment">// max</span></div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">float</span> predux_max<Packet4f>(<span class="keyword">const</span> Packet4f& a)</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> {</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  Packet4f b, res;</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  b = vec_max(a, vec_sld(a, a, 8));</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  res = vec_max(b, vec_sld(b, b, 4));</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">return</span> pfirst(res);</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> }</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span> </div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">int</span> predux_max<Packet4i>(<span class="keyword">const</span> Packet4i& a)</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>  Packet4i b, res;</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  b = vec_max(a, vec_sld(a, a, 8));</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  res = vec_max(b, vec_sld(b, b, 4));</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">return</span> pfirst(res);</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> }</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="keyword">template</span><<span class="keywordtype">int</span> Offset></div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> <span class="keyword">struct </span>palign_impl<Offset,Packet4f></div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span> {</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keyword">static</span> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> run(Packet4f& first, <span class="keyword">const</span> Packet4f& second)</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  {</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">if</span> (Offset!=0)</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  first = vec_sld(first, second, Offset*4);</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> };</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span> </div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="keyword">template</span><<span class="keywordtype">int</span> Offset></div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="keyword">struct </span>palign_impl<Offset,Packet4i></div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> {</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keyword">static</span> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> run(Packet4i& first, <span class="keyword">const</span> Packet4i& second)</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  {</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">if</span> (Offset!=0)</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  first = vec_sld(first, second, Offset*4);</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> };</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> } <span class="comment">// end namespace internal</span></div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span> </div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span> } <span class="comment">// end namespace Eigen</span></div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> </div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="preprocessor">#endif // EIGEN_PACKET_MATH_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>PacketMath.h</b></li>
<li class="footer">Generated on Mon Oct 28 2013 11:04:24 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) ? "https://stats.sylphide-consulting.com/piwik/" : "http://stats.sylphide-consulting.com/piwik/");
document.write(unescape("%3Cscript src='" + pkBaseURL + "piwik.js' type='text/javascript'%3E%3C/script%3E"));
</script><script type="text/javascript">
try {
var piwikTracker = Piwik.getTracker(pkBaseURL + "piwik.php", 20);
piwikTracker.trackPageView();
piwikTracker.enableLinkTracking();
} catch( err ) {}
</script><noscript><p><img src="http://stats.sylphide-consulting.com/piwik/piwik.php?idsite=20" style="border:0" alt="" /></p></noscript>
-->
<!-- End Piwik Tracking Code -->
</body>
</html>
