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<div class="title">SSE/PacketMath.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// This file is part of Eigen, a lightweight C++ template library</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// for linear algebra.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Copyright (C) 2008-2009 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_PACKET_MATH_SSE_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_SSE_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 8</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_ARCH_DEFAULT_NUMBER_OF_REGISTERS</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS (2*sizeof(void*))</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="keyword">typedef</span> __m128 Packet4f;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">typedef</span> __m128i Packet4i;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">typedef</span> __m128d Packet2d;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">template</span><> <span class="keyword">struct </span>is_arithmetic<__m128> { <span class="keyword">enum</span> { value = <span class="keyword">true</span> }; };</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">template</span><> <span class="keyword">struct </span>is_arithmetic<__m128i> { <span class="keyword">enum</span> { value = <span class="keyword">true</span> }; };</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">template</span><> <span class="keyword">struct </span>is_arithmetic<__m128d> { <span class="keyword">enum</span> { value = <span class="keyword">true</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="preprocessor">#define vec4f_swizzle1(v,p,q,r,s) \</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"> (_mm_castsi128_ps(_mm_shuffle_epi32( _mm_castps_si128(v), ((s)<<6|(r)<<4|(q)<<2|(p)))))</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#define vec4i_swizzle1(v,p,q,r,s) \</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"> (_mm_shuffle_epi32( v, ((s)<<6|(r)<<4|(q)<<2|(p))))</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#define vec2d_swizzle1(v,p,q) \</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"> (_mm_castsi128_pd(_mm_shuffle_epi32( _mm_castpd_si128(v), ((q*2+1)<<6|(q*2)<<4|(p*2+1)<<2|(p*2)))))</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#define vec4f_swizzle2(a,b,p,q,r,s) \</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"> (_mm_shuffle_ps( (a), (b), ((s)<<6|(r)<<4|(q)<<2|(p))))</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#define vec4i_swizzle2(a,b,p,q,r,s) \</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"> (_mm_castps_si128( (_mm_shuffle_ps( _mm_castsi128_ps(a), _mm_castsi128_ps(b), ((s)<<6|(r)<<4|(q)<<2|(p))))))</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#define _EIGEN_DECLARE_CONST_Packet4f(NAME,X) \</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"> const Packet4f p4f_##NAME = pset1<Packet4f>(X)</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#define _EIGEN_DECLARE_CONST_Packet2d(NAME,X) \</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor"> const Packet2d p2d_##NAME = pset1<Packet2d>(X)</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#define _EIGEN_DECLARE_CONST_Packet4f_FROM_INT(NAME,X) \</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"> const Packet4f p4f_##NAME = _mm_castsi128_ps(pset1<Packet4i>(X))</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#define _EIGEN_DECLARE_CONST_Packet4i(NAME,X) \</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"> const Packet4i p4i_##NAME = pset1<Packet4i>(X)</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">template</span><> <span class="keyword">struct </span>packet_traits<float> : default_packet_traits</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">typedef</span> Packet4f type;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  Vectorizable = 1,</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  AlignedOnScalar = 1,</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  size=4,</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  HasDiv = 1,</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  HasSin = EIGEN_FAST_MATH,</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  HasCos = EIGEN_FAST_MATH,</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  HasLog = 1,</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  HasExp = 1,</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  HasSqrt = 1</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  };</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> };</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">template</span><> <span class="keyword">struct </span>packet_traits<double> : default_packet_traits</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> {</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">typedef</span> Packet2d type;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  Vectorizable = 1,</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  AlignedOnScalar = 1,</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  size=2,</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  HasDiv = 1,</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  HasExp = 1</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<Packet2d> { <span class="keyword">typedef</span> <span class="keywordtype">double</span> type; <span class="keyword">enum</span> {size=2}; };</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</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="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#if defined(_MSC_VER) && (_MSC_VER==1500)</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor"></span><span class="comment">// Workaround MSVC 9 internal compiler error.</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment">// TODO: It has been detected with win64 builds (amd64), so let's check whether it also happens in 32bits+SSE mode</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment">// TODO: let's check whether there does not exist a better fix, like adding a pset0() function. (it crashed on pset1(0)).</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(<span class="keyword">const</span> <span class="keywordtype">float</span>& from) { <span class="keywordflow">return</span> _mm_set_ps(from,from,from,from); }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(<span class="keyword">const</span> <span class="keywordtype">double</span>& from) { <span class="keywordflow">return</span> _mm_set_pd(from,from); }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(<span class="keyword">const</span> <span class="keywordtype">int</span>& from) { <span class="keywordflow">return</span> _mm_set_epi32(from,from,from,from); }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor"></span><span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(<span class="keyword">const</span> <span class="keywordtype">float</span>& from) { <span class="keywordflow">return</span> _mm_set1_ps(from); }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(<span class="keyword">const</span> <span class="keywordtype">double</span>& from) { <span class="keywordflow">return</span> _mm_set1_pd(from); }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(<span class="keyword">const</span> <span class="keywordtype">int</span>& from) { <span class="keywordflow">return</span> _mm_set1_epi32(from); }</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</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> _mm_add_ps(pset1<Packet4f>(a), _mm_set_ps(3,2,1,0)); }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d plset<double>(<span class="keyword">const</span> <span class="keywordtype">double</span>& a) { <span class="keywordflow">return</span> _mm_add_pd(pset1<Packet2d>(a),_mm_set_pd(1,0)); }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</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> _mm_add_epi32(pset1<Packet4i>(a),_mm_set_epi32(3,2,1,0)); }</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</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> _mm_add_ps(a,b); }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d padd<Packet2d>(<span class="keyword">const</span> Packet2d& a, <span class="keyword">const</span> Packet2d& b) { <span class="keywordflow">return</span> _mm_add_pd(a,b); }</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</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> _mm_add_epi32(a,b); }</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 Packet4f psub<Packet4f>(<span class="keyword">const</span> Packet4f& a, <span class="keyword">const</span> Packet4f& b) { <span class="keywordflow">return</span> _mm_sub_ps(a,b); }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d psub<Packet2d>(<span class="keyword">const</span> Packet2d& a, <span class="keyword">const</span> Packet2d& b) { <span class="keywordflow">return</span> _mm_sub_pd(a,b); }</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</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> _mm_sub_epi32(a,b); }</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pnegate(<span class="keyword">const</span> Packet4f& a)</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">const</span> Packet4f mask = _mm_castsi128_ps(_mm_setr_epi32(0x80000000,0x80000000,0x80000000,0x80000000));</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> _mm_xor_ps(a,mask);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> }</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d pnegate(<span class="keyword">const</span> Packet2d& a)</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> {</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">const</span> Packet2d mask = _mm_castsi128_pd(_mm_setr_epi32(0x0,0x80000000,0x0,0x80000000));</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> _mm_xor_pd(a,mask);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> }</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pnegate(<span class="keyword">const</span> Packet4i& a)</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span> psub(_mm_setr_epi32(0,0,0,0), a);</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="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="l00145"></a><span class="lineno"> 145</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d pconj(<span class="keyword">const</span> Packet2d& a) { <span class="keywordflow">return</span> a; }</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</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="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</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> _mm_mul_ps(a,b); }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d pmul<Packet2d>(<span class="keyword">const</span> Packet2d& a, <span class="keyword">const</span> Packet2d& b) { <span class="keywordflow">return</span> _mm_mul_pd(a,b); }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pmul<Packet4i>(<span class="keyword">const</span> Packet4i& a, <span class="keyword">const</span> Packet4i& 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="preprocessor">#ifdef EIGEN_VECTORIZE_SSE4_1</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> _mm_mullo_epi32(a,b);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor"></span> <span class="comment">// this version is slightly faster than 4 scalar products</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">return</span> vec4i_swizzle1(</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  vec4i_swizzle2(</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  _mm_mul_epu32(a,b),</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  _mm_mul_epu32(vec4i_swizzle1(a,1,0,3,2),</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  vec4i_swizzle1(b,1,0,3,2)),</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  0,2,0,2),</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  0,2,1,3);</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor"></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> <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) { <span class="keywordflow">return</span> _mm_div_ps(a,b); }</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d pdiv<Packet2d>(<span class="keyword">const</span> Packet2d& a, <span class="keyword">const</span> Packet2d& b) { <span class="keywordflow">return</span> _mm_div_pd(a,b); }</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</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="l00169"></a><span class="lineno"> 169</span> { eigen_assert(<span class="keyword">false</span> && <span class="stringliteral">"packet integer division are not supported by SSE"</span>);</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> pset1<Packet4i>(0);</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> </div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment">// for some weird raisons, it has to be overloaded for packet of integers</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</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="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 pmin<Packet4f>(<span class="keyword">const</span> Packet4f& a, <span class="keyword">const</span> Packet4f& b) { <span class="keywordflow">return</span> _mm_min_ps(a,b); }</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d pmin<Packet2d>(<span class="keyword">const</span> Packet2d& a, <span class="keyword">const</span> Packet2d& b) { <span class="keywordflow">return</span> _mm_min_pd(a,b); }</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</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)</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> <span class="preprocessor">#ifdef EIGEN_VECTORIZE_SSE4_1</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> _mm_min_epi32(a,b);</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor"></span> <span class="comment">// after some bench, this version *is* faster than a scalar implementation</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  Packet4i mask = _mm_cmplt_epi32(a,b);</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span> _mm_or_si128(_mm_and_si128(mask,a),_mm_andnot_si128(mask,b));</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor"></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><> 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> _mm_max_ps(a,b); }</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d pmax<Packet2d>(<span class="keyword">const</span> Packet2d& a, <span class="keyword">const</span> Packet2d& b) { <span class="keywordflow">return</span> _mm_max_pd(a,b); }</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</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)</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> {</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="preprocessor">#ifdef EIGEN_VECTORIZE_SSE4_1</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> _mm_max_epi32(a,b);</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor"></span> <span class="comment">// after some bench, this version *is* faster than a scalar implementation</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  Packet4i mask = _mm_cmpgt_epi32(a,b);</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span> _mm_or_si128(_mm_and_si128(mask,a),_mm_andnot_si128(mask,b));</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="preprocessor"></span>}</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="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> _mm_and_ps(a,b); }</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d pand<Packet2d>(<span class="keyword">const</span> Packet2d& a, <span class="keyword">const</span> Packet2d& b) { <span class="keywordflow">return</span> _mm_and_pd(a,b); }</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</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> _mm_and_si128(a,b); }</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</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> _mm_or_ps(a,b); }</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d por<Packet2d>(<span class="keyword">const</span> Packet2d& a, <span class="keyword">const</span> Packet2d& b) { <span class="keywordflow">return</span> _mm_or_pd(a,b); }</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</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> _mm_or_si128(a,b); }</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="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> _mm_xor_ps(a,b); }</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d pxor<Packet2d>(<span class="keyword">const</span> Packet2d& a, <span class="keyword">const</span> Packet2d& b) { <span class="keywordflow">return</span> _mm_xor_pd(a,b); }</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</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> _mm_xor_si128(a,b); }</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <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> _mm_andnot_ps(a,b); }</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d pandnot<Packet2d>(<span class="keyword">const</span> Packet2d& a, <span class="keyword">const</span> Packet2d& b) { <span class="keywordflow">return</span> _mm_andnot_pd(a,b); }</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</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> _mm_andnot_si128(a,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> <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> _mm_load_ps(from); }</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d pload<Packet2d>(<span class="keyword">const</span> <span class="keywordtype">double</span>* from) { EIGEN_DEBUG_ALIGNED_LOAD <span class="keywordflow">return</span> _mm_load_pd(from); }</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</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> _mm_load_si128(reinterpret_cast<const Packet4i*>(from)); }</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="preprocessor">#if defined(_MSC_VER)</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="preprocessor"></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="l00224"></a><span class="lineno"> 224</span>  EIGEN_DEBUG_UNALIGNED_LOAD</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="preprocessor"> #if (_MSC_VER==1600)</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor"></span> <span class="comment">// NOTE Some version of MSVC10 generates bad code when using _mm_loadu_ps</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// (i.e., it does not generate an unaligned load!!</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// TODO On most architectures this version should also be faster than a single _mm_loadu_ps</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// so we could also enable it for MSVC08 but first we have to make this later does not generate crap when doing so...</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  __m128 res = _mm_loadl_pi(_mm_set1_ps(0.0f), (<span class="keyword">const</span> __m64*)(from));</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  res = _mm_loadh_pi(res, (<span class="keyword">const</span> __m64*)(from+2));</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> _mm_loadu_ps(from);</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="preprocessor"></span> }</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(<span class="keyword">const</span> <span class="keywordtype">double</span>* from) { EIGEN_DEBUG_UNALIGNED_LOAD <span class="keywordflow">return</span> _mm_loadu_pd(from); }</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(<span class="keyword">const</span> <span class="keywordtype">int</span>* from) { EIGEN_DEBUG_UNALIGNED_LOAD <span class="keywordflow">return</span> _mm_loadu_si128(reinterpret_cast<const Packet4i*>(from)); }</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="preprocessor"></span><span class="comment">// Fast unaligned loads. Note that here we cannot directly use intrinsics: this would</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment">// require pointer casting to incompatible pointer types and leads to invalid code</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment">// because of the strict aliasing rule. The "dummy" stuff are required to enforce</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment">// a correct instruction dependency.</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment">// TODO: do the same for MSVC (ICC is compatible)</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment">// NOTE: with the code below, MSVC's compiler crashes!</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor">#if defined(__GNUC__) && defined(__i386__)</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="preprocessor"></span> <span class="comment">// bug 195: gcc/i386 emits weird x87 fldl/fstpl instructions for _mm_load_sd</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="preprocessor"> #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 1</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="preprocessor"></span><span class="preprocessor">#elif defined(__clang__)</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="preprocessor"></span> <span class="comment">// bug 201: Segfaults in __mm_loadh_pd with clang 2.8</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="preprocessor"> #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 1</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="preprocessor"></span><span class="preprocessor"> #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 0</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</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="l00258"></a><span class="lineno"> 258</span> {</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  EIGEN_DEBUG_UNALIGNED_LOAD</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor">#if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> _mm_loadu_ps(from);</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="preprocessor"></span> __m128d res;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  res = _mm_load_sd((<span class="keyword">const</span> <span class="keywordtype">double</span>*)(from)) ;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  res = _mm_loadh_pd(res, (<span class="keyword">const</span> <span class="keywordtype">double</span>*)(from+2)) ;</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">return</span> _mm_castpd_ps(res);</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(<span class="keyword">const</span> <span class="keywordtype">double</span>* from)</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> {</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  EIGEN_DEBUG_UNALIGNED_LOAD</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor">#if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> _mm_loadu_pd(from);</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor"></span> __m128d res;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  res = _mm_load_sd(from) ;</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  res = _mm_loadh_pd(res,from+1);</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</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="l00282"></a><span class="lineno"> 282</span> {</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  EIGEN_DEBUG_UNALIGNED_LOAD</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="preprocessor">#if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> _mm_loadu_si128(reinterpret_cast<const Packet4i*>(from));</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="preprocessor"></span> __m128d res;</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  res = _mm_load_sd((<span class="keyword">const</span> <span class="keywordtype">double</span>*)(from)) ;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  res = _mm_loadh_pd(res, (<span class="keyword">const</span> <span class="keywordtype">double</span>*)(from+2)) ;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">return</span> _mm_castpd_si128(res);</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</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="l00296"></a><span class="lineno"> 296</span> {</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">return</span> vec4f_swizzle1(_mm_castpd_ps(_mm_load_sd(reinterpret_cast<const double*>(from))), 0, 0, 1, 1);</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> }</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d ploaddup<Packet2d>(<span class="keyword">const</span> <span class="keywordtype">double</span>* from)</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> { <span class="keywordflow">return</span> pset1<Packet2d>(from[0]); }</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</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="l00302"></a><span class="lineno"> 302</span> {</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  Packet4i tmp;</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  tmp = _mm_loadl_epi64(reinterpret_cast<const Packet4i*>(from));</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">return</span> vec4i_swizzle1(tmp, 0, 0, 1, 1);</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> }</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="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 _mm_store_ps(to, from); }</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> pstore<double>(<span class="keywordtype">double</span>* to, <span class="keyword">const</span> Packet2d& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_pd(to, from); }</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</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 _mm_store_si128(reinterpret_cast<Packet4i*>(to), from); }</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> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> pstoreu<double>(<span class="keywordtype">double</span>* to, <span class="keyword">const</span> Packet2d& from) {</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  EIGEN_DEBUG_UNALIGNED_STORE</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  _mm_storel_pd((to), from);</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  _mm_storeh_pd((to+1), from);</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> }</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <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) { EIGEN_DEBUG_UNALIGNED_STORE pstoreu(reinterpret_cast<double*>(to), _mm_castps_pd(from)); }</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</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) { EIGEN_DEBUG_UNALIGNED_STORE pstoreu(reinterpret_cast<double*>(to), _mm_castsi128_pd(from)); }</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="comment">// some compilers might be tempted to perform multiple moves instead of using a vector path.</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> pstore1<Packet4f>(<span class="keywordtype">float</span>* to, <span class="keyword">const</span> <span class="keywordtype">float</span>& a)</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> {</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  Packet4f pa = _mm_set_ss(a);</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  pstore(to, vec4f_swizzle1(pa,0,0,0,0));</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> }</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment">// some compilers might be tempted to perform multiple moves instead of using a vector path.</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> pstore1<Packet2d>(<span class="keywordtype">double</span>* to, <span class="keyword">const</span> <span class="keywordtype">double</span>& a)</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> {</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  Packet2d pa = _mm_set_sd(a);</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  pstore(to, vec2d_swizzle1(pa,0,0));</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> }</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</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) { _mm_prefetch((<span class="keyword">const</span> <span class="keywordtype">char</span>*)(addr), _MM_HINT_T0); }</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> prefetch<double>(<span class="keyword">const</span> <span class="keywordtype">double</span>* addr) { _mm_prefetch((<span class="keyword">const</span> <span class="keywordtype">char</span>*)(addr), _MM_HINT_T0); }</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</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) { _mm_prefetch((<span class="keyword">const</span> <span class="keywordtype">char</span>*)(addr), _MM_HINT_T0); }</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="preprocessor">#if defined(_MSC_VER) && defined(_WIN64) && !defined(__INTEL_COMPILER)</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="preprocessor"></span><span class="comment">// The temporary variable fixes an internal compilation error in vs <= 2008 and a wrong-result bug in vs 2010</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment">// Direct of the struct members fixed bug #62.</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</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="keywordflow">return</span> a.m128_f32[0]; }</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">double</span> pfirst<Packet2d>(<span class="keyword">const</span> Packet2d& a) { <span class="keywordflow">return</span> a.m128d_f64[0]; }</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</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> x = _mm_cvtsi128_si32(a); <span class="keywordflow">return</span> x; }</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="preprocessor">#elif defined(_MSC_VER) && !defined(__INTEL_COMPILER)</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="preprocessor"></span><span class="comment">// The temporary variable fixes an internal compilation error in vs <= 2008 and a wrong-result bug in vs 2010</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</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> x = _mm_cvtss_f32(a); <span class="keywordflow">return</span> x; }</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">double</span> pfirst<Packet2d>(<span class="keyword">const</span> Packet2d& a) { <span class="keywordtype">double</span> x = _mm_cvtsd_f64(a); <span class="keywordflow">return</span> x; }</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</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> x = _mm_cvtsi128_si32(a); <span class="keywordflow">return</span> x; }</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="preprocessor"></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="keywordflow">return</span> _mm_cvtss_f32(a); }</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">double</span> pfirst<Packet2d>(<span class="keyword">const</span> Packet2d& a) { <span class="keywordflow">return</span> _mm_cvtsd_f64(a); }</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</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="keywordflow">return</span> _mm_cvtsi128_si32(a); }</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f preverse(<span class="keyword">const</span> Packet4f& a)</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> { <span class="keywordflow">return</span> _mm_shuffle_ps(a,a,0x1B); }</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d preverse(<span class="keyword">const</span> Packet2d& a)</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> { <span class="keywordflow">return</span> _mm_shuffle_pd(a,a,0x1); }</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i preverse(<span class="keyword">const</span> Packet4i& a)</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> { <span class="keywordflow">return</span> _mm_shuffle_epi32(a,0x1B); }</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4f pabs(<span class="keyword">const</span> Packet4f& a)</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> {</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keyword">const</span> Packet4f mask = _mm_castsi128_ps(_mm_setr_epi32(0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF));</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">return</span> _mm_and_ps(a,mask);</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="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d pabs(<span class="keyword">const</span> Packet2d& a)</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> {</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keyword">const</span> Packet2d mask = _mm_castsi128_pd(_mm_setr_epi32(0xFFFFFFFF,0x7FFFFFFF,0xFFFFFFFF,0x7FFFFFFF));</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">return</span> _mm_and_pd(a,mask);</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> }</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet4i pabs(<span class="keyword">const</span> Packet4i& a)</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> {</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="preprocessor"> #ifdef EIGEN_VECTORIZE_SSSE3</span></div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> _mm_abs_epi32(a);</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="preprocessor"></span> Packet4i aux = _mm_srai_epi32(a,31);</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">return</span> _mm_sub_epi32(_mm_xor_si128(a,aux),aux);</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> punpackp(Packet4f* vecs)</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> {</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  vecs[1] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0x55));</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  vecs[2] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0xAA));</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  vecs[3] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0xFF));</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  vecs[0] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0x00));</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> }</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> <span class="preprocessor">#ifdef EIGEN_VECTORIZE_SSE3</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="preprocessor"></span><span class="comment">// TODO implement SSE2 versions as well as integer versions</span></div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</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="l00393"></a><span class="lineno"> 393</span> {</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">return</span> _mm_hadd_ps(_mm_hadd_ps(vecs[0], vecs[1]),_mm_hadd_ps(vecs[2], vecs[3]));</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> }</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d preduxp<Packet2d>(<span class="keyword">const</span> Packet2d* vecs)</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>  <span class="keywordflow">return</span> _mm_hadd_pd(vecs[0], vecs[1]);</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> }</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="comment">// SSSE3 version:</span></div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="comment">// EIGEN_STRONG_INLINE Packet4i preduxp(const Packet4i* vecs)</span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="comment">// {</span></div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <span class="comment">// return _mm_hadd_epi32(_mm_hadd_epi32(vecs[0], vecs[1]),_mm_hadd_epi32(vecs[2], vecs[3]));</span></div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="comment">// }</span></div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> </div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</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="l00407"></a><span class="lineno"> 407</span> {</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  Packet4f tmp0 = _mm_hadd_ps(a,a);</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">return</span> pfirst(_mm_hadd_ps(tmp0, tmp0));</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> }</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> </div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">double</span> predux<Packet2d>(<span class="keyword">const</span> Packet2d& a) { <span class="keywordflow">return</span> pfirst(_mm_hadd_pd(a, a)); }</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> </div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="comment">// SSSE3 version:</span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="comment">// EIGEN_STRONG_INLINE float predux(const Packet4i& a)</span></div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="comment">// {</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="comment">// Packet4i tmp0 = _mm_hadd_epi32(a,a);</span></div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="comment">// return pfirst(_mm_hadd_epi32(tmp0, tmp0));</span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="comment">// }</span></div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="preprocessor"></span><span class="comment">// SSE2 versions</span></div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</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="l00423"></a><span class="lineno"> 423</span> {</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  Packet4f tmp = _mm_add_ps(a, _mm_movehl_ps(a,a));</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">return</span> pfirst(_mm_add_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span> }</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">double</span> predux<Packet2d>(<span class="keyword">const</span> Packet2d& a)</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> {</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">return</span> pfirst(_mm_add_sd(a, _mm_unpackhi_pd(a,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> </div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</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="l00433"></a><span class="lineno"> 433</span> {</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  Packet4f tmp0, tmp1, tmp2;</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  tmp0 = _mm_unpacklo_ps(vecs[0], vecs[1]);</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  tmp1 = _mm_unpackhi_ps(vecs[0], vecs[1]);</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  tmp2 = _mm_unpackhi_ps(vecs[2], vecs[3]);</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  tmp0 = _mm_add_ps(tmp0, tmp1);</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  tmp1 = _mm_unpacklo_ps(vecs[2], vecs[3]);</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  tmp1 = _mm_add_ps(tmp1, tmp2);</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  tmp2 = _mm_movehl_ps(tmp1, tmp0);</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  tmp0 = _mm_movelh_ps(tmp0, tmp1);</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">return</span> _mm_add_ps(tmp0, tmp2);</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> }</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE Packet2d preduxp<Packet2d>(<span class="keyword">const</span> Packet2d* vecs)</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> {</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">return</span> _mm_add_pd(_mm_unpacklo_pd(vecs[0], vecs[1]), _mm_unpackhi_pd(vecs[0], vecs[1]));</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> }</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="preprocessor">#endif // SSE3</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="preprocessor"></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<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 tmp = _mm_add_epi32(a, _mm_unpackhi_epi64(a,a));</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">return</span> pfirst(tmp) + pfirst(_mm_shuffle_epi32(tmp, 1));</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> }</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span> </div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</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="l00459"></a><span class="lineno"> 459</span> {</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  Packet4i tmp0, tmp1, tmp2;</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  tmp0 = _mm_unpacklo_epi32(vecs[0], vecs[1]);</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  tmp1 = _mm_unpackhi_epi32(vecs[0], vecs[1]);</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  tmp2 = _mm_unpackhi_epi32(vecs[2], vecs[3]);</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  tmp0 = _mm_add_epi32(tmp0, tmp1);</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  tmp1 = _mm_unpacklo_epi32(vecs[2], vecs[3]);</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  tmp1 = _mm_add_epi32(tmp1, tmp2);</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  tmp2 = _mm_unpacklo_epi64(tmp0, tmp1);</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  tmp0 = _mm_unpackhi_epi64(tmp0, tmp1);</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">return</span> _mm_add_epi32(tmp0, tmp2);</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> </div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="comment">// Other reduction functions:</span></div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> </div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="comment">// mul</span></div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</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="l00476"></a><span class="lineno"> 476</span> {</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  Packet4f tmp = _mm_mul_ps(a, _mm_movehl_ps(a,a));</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keywordflow">return</span> pfirst(_mm_mul_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));</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">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">double</span> predux_mul<Packet2d>(<span class="keyword">const</span> Packet2d& a)</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">return</span> pfirst(_mm_mul_sd(a, _mm_unpackhi_pd(a,a)));</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span> }</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</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="l00485"></a><span class="lineno"> 485</span> {</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="comment">// after some experiments, it is seems this is the fastest way to implement it</span></div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="comment">// for GCC (eg., reusing pmul is very slow !)</span></div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="comment">// TODO try to call _mm_mul_epu32 directly</span></div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  EIGEN_ALIGN16 <span class="keywordtype">int</span> aux[4];</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  pstore(aux, a);</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="keywordflow">return</span> (aux[0] * aux[1]) * (aux[2] * aux[3]);;</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> }</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> </div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="comment">// min</span></div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</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="l00496"></a><span class="lineno"> 496</span> {</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  Packet4f tmp = _mm_min_ps(a, _mm_movehl_ps(a,a));</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">return</span> pfirst(_mm_min_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span> }</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">double</span> predux_min<Packet2d>(<span class="keyword">const</span> Packet2d& a)</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> {</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keywordflow">return</span> pfirst(_mm_min_sd(a, _mm_unpackhi_pd(a,a)));</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> }</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <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="l00505"></a><span class="lineno"> 505</span> {</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="comment">// after some experiments, it is seems this is the fastest way to implement it</span></div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="comment">// for GCC (eg., it does not like using std::min after the pstore !!)</span></div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  EIGEN_ALIGN16 <span class="keywordtype">int</span> aux[4];</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  pstore(aux, a);</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="keyword">register</span> <span class="keywordtype">int</span> aux0 = aux[0]<aux[1] ? aux[0] : aux[1];</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keyword">register</span> <span class="keywordtype">int</span> aux2 = aux[2]<aux[3] ? aux[2] : aux[3];</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">return</span> aux0<aux2 ? aux0 : aux2;</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> }</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span> </div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> <span class="comment">// max</span></div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</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="l00517"></a><span class="lineno"> 517</span> {</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  Packet4f tmp = _mm_max_ps(a, _mm_movehl_ps(a,a));</div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keywordflow">return</span> pfirst(_mm_max_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> }</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> <span class="keyword">template</span><> EIGEN_STRONG_INLINE <span class="keywordtype">double</span> predux_max<Packet2d>(<span class="keyword">const</span> Packet2d& a)</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span> {</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keywordflow">return</span> pfirst(_mm_max_sd(a, _mm_unpackhi_pd(a,a)));</div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span> }</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</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="l00526"></a><span class="lineno"> 526</span> {</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="comment">// after some experiments, it is seems this is the fastest way to implement it</span></div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="comment">// for GCC (eg., it does not like using std::min after the pstore !!)</span></div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  EIGEN_ALIGN16 <span class="keywordtype">int</span> aux[4];</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  pstore(aux, a);</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keyword">register</span> <span class="keywordtype">int</span> aux0 = aux[0]>aux[1] ? aux[0] : aux[1];</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keyword">register</span> <span class="keywordtype">int</span> aux2 = aux[2]>aux[3] ? aux[2] : aux[3];</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keywordflow">return</span> aux0>aux2 ? aux0 : aux2;</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span> }</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span> </div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span> <span class="preprocessor">#if (defined __GNUC__)</span></div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span> <span class="preprocessor"></span><span class="comment">// template <> EIGEN_STRONG_INLINE Packet4f pmadd(const Packet4f& a, const Packet4f& b, const Packet4f& c)</span></div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span> <span class="comment">// {</span></div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span> <span class="comment">// Packet4f res = b;</span></div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span> <span class="comment">// asm("mulps %[a], %[b] \n\taddps %[c], %[b]" : [b] "+x" (res) : [a] "x" (a), [c] "x" (c));</span></div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> <span class="comment">// return res;</span></div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="comment">// }</span></div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> <span class="comment">// EIGEN_STRONG_INLINE Packet4i _mm_alignr_epi8(const Packet4i& a, const Packet4i& b, const int i)</span></div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span> <span class="comment">// {</span></div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> <span class="comment">// Packet4i res = a;</span></div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span> <span class="comment">// asm("palignr %[i], %[a], %[b] " : [b] "+x" (res) : [a] "x" (a), [i] "i" (i));</span></div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span> <span class="comment">// return res;</span></div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span> <span class="comment">// }</span></div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="preprocessor">#ifdef EIGEN_VECTORIZE_SSSE3</span></div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span> <span class="preprocessor"></span><span class="comment">// SSSE3 versions</span></div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span> <span class="keyword">template</span><<span class="keywordtype">int</span> Offset></div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span> <span class="keyword">struct </span>palign_impl<Offset,Packet4f></div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span> {</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keyword">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="l00557"></a><span class="lineno"> 557</span>  {</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordflow">if</span> (Offset!=0)</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  first = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(second), _mm_castps_si128(first), Offset*4));</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  }</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> };</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> </div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="keyword">template</span><<span class="keywordtype">int</span> Offset></div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span> <span class="keyword">struct </span>palign_impl<Offset,Packet4i></div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> {</div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</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="l00567"></a><span class="lineno"> 567</span>  {</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="keywordflow">if</span> (Offset!=0)</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  first = _mm_alignr_epi8(second,first, Offset*4);</div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  }</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> };</div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span> </div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> <span class="keyword">template</span><<span class="keywordtype">int</span> Offset></div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span> <span class="keyword">struct </span>palign_impl<Offset,Packet2d></div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span> {</div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="keyword">static</span> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> run(Packet2d& first, <span class="keyword">const</span> Packet2d& second)</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  {</div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keywordflow">if</span> (Offset==1)</div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  first = _mm_castsi128_pd(_mm_alignr_epi8(_mm_castpd_si128(second), _mm_castpd_si128(first), 8));</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  }</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> };</div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span> <span class="preprocessor"></span><span class="comment">// SSE2 versions</span></div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="keyword">template</span><<span class="keywordtype">int</span> Offset></div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span> <span class="keyword">struct </span>palign_impl<Offset,Packet4f></div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> {</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</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="l00588"></a><span class="lineno"> 588</span>  {</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">if</span> (Offset==1)</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  {</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  first = _mm_move_ss(first,second);</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  first = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(first),0x39));</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  }</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (Offset==2)</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  {</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  first = _mm_movehl_ps(first,first);</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  first = _mm_movelh_ps(first,second);</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  }</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (Offset==3)</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  {</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  first = _mm_move_ss(first,second);</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  first = _mm_shuffle_ps(first,second,0x93);</div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  }</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  }</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span> };</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> </div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span> <span class="keyword">template</span><<span class="keywordtype">int</span> Offset></div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> <span class="keyword">struct </span>palign_impl<Offset,Packet4i></div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span> {</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</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="l00611"></a><span class="lineno"> 611</span>  {</div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="keywordflow">if</span> (Offset==1)</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  {</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  first = _mm_castps_si128(_mm_move_ss(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));</div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  first = _mm_shuffle_epi32(first,0x39);</div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  }</div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (Offset==2)</div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  {</div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  first = _mm_castps_si128(_mm_movehl_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(first)));</div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  first = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));</div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  }</div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (Offset==3)</div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  {</div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  first = _mm_castps_si128(_mm_move_ss(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  first = _mm_castps_si128(_mm_shuffle_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(second),0x93));</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  }</div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  }</div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span> };</div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span> </div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span> <span class="keyword">template</span><<span class="keywordtype">int</span> Offset></div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> <span class="keyword">struct </span>palign_impl<Offset,Packet2d></div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span> {</div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keyword">static</span> EIGEN_STRONG_INLINE <span class="keywordtype">void</span> run(Packet2d& first, <span class="keyword">const</span> Packet2d& second)</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  {</div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keywordflow">if</span> (Offset==1)</div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  {</div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  first = _mm_castps_pd(_mm_movehl_ps(_mm_castpd_ps(first),_mm_castpd_ps(first)));</div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  first = _mm_castps_pd(_mm_movelh_ps(_mm_castpd_ps(first),_mm_castpd_ps(second)));</div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  }</div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  }</div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span> };</div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span> } <span class="comment">// end namespace internal</span></div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span> </div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span> } <span class="comment">// end namespace Eigen</span></div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span> </div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span> <span class="preprocessor">#endif // EIGEN_PACKET_MATH_SSE_H</span></div>
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