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<div class="title">volk_32fc_x2_s32f_square_dist_scalar_mult_32f_a.h</div> </div>
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<a href="volk__32fc__x2__s32f__square__dist__scalar__mult__32f__a_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef INCLUDED_volk_32fc_x2_s32f_square_dist_scalar_mult_32f_a_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_volk_32fc_x2_s32f_square_dist_scalar_mult_32f_a_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include<<a class="code" href="inttypes_8h.html">inttypes.h</a>></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include<stdio.h></span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include<<a class="code" href="volk__complex_8h.html">volk/volk_complex.h</a>></span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <string.h></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#ifdef LV_HAVE_SSE3</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor"></span><span class="preprocessor">#include<xmmintrin.h></span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include<pmmintrin.h></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> volk_32fc_x2_s32f_square_dist_scalar_mult_32f_a_sse3(<span class="keywordtype">float</span>* target, <a class="code" href="volk__complex_8h.html#ace50e1c8ef539cdeee04bc86f0e99169">lv_32fc_t</a>* src0, <a class="code" href="volk__complex_8h.html#ace50e1c8ef539cdeee04bc86f0e99169">lv_32fc_t</a>* points, <span class="keywordtype">float</span> scalar, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_bytes) {</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> </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  __m128 xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <a class="code" href="volk__complex_8h.html#ace50e1c8ef539cdeee04bc86f0e99169">lv_32fc_t</a> diff;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  memset(&diff, 0x0, 2*<span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keywordtype">float</span> sq_dist = 0.0;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keywordtype">int</span> bound = num_bytes >> 5;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keywordtype">int</span> leftovers0 = (num_bytes >> 4) & 1;</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordtype">int</span> leftovers1 = (num_bytes >> 3) & 1;</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordtype">int</span> i = 0;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  xmm1 = _mm_setzero_ps();</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  xmm1 = _mm_loadl_pi(xmm1, (__m64*)src0);</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  xmm2 = _mm_load_ps((<span class="keywordtype">float</span>*)&points[0]);</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  xmm8 = _mm_load1_ps(&scalar);</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  xmm1 = _mm_movelh_ps(xmm1, xmm1);</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  xmm3 = _mm_load_ps((<span class="keywordtype">float</span>*)&points[2]);</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">for</span>(; i < bound - 1; ++i) {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  xmm4 = _mm_sub_ps(xmm1, xmm2);</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  xmm5 = _mm_sub_ps(xmm1, xmm3);</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  points += 4;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  xmm6 = _mm_mul_ps(xmm4, xmm4);</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  xmm7 = _mm_mul_ps(xmm5, xmm5);</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  xmm2 = _mm_load_ps((<span class="keywordtype">float</span>*)&points[0]);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  xmm4 = _mm_hadd_ps(xmm6, xmm7);</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  xmm3 = _mm_load_ps((<span class="keywordtype">float</span>*)&points[2]);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  xmm4 = _mm_mul_ps(xmm4, xmm8);</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  _mm_store_ps(target, xmm4);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  target += 4;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  xmm4 = _mm_sub_ps(xmm1, xmm2);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  xmm5 = _mm_sub_ps(xmm1, xmm3);</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </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> </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  points += 4;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  xmm6 = _mm_mul_ps(xmm4, xmm4);</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  xmm7 = _mm_mul_ps(xmm5, xmm5);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  xmm4 = _mm_hadd_ps(xmm6, xmm7);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  xmm4 = _mm_mul_ps(xmm4, xmm8);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  _mm_store_ps(target, xmm4);</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  target += 4;</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="keywordflow">for</span>(i = 0; i < leftovers0; ++i) {</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>  xmm2 = _mm_load_ps((<span class="keywordtype">float</span>*)&points[0]);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  xmm4 = _mm_sub_ps(xmm1, xmm2);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  points += 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>  xmm6 = _mm_mul_ps(xmm4, xmm4);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  xmm4 = _mm_hadd_ps(xmm6, xmm6);</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>  xmm4 = _mm_mul_ps(xmm4, xmm8);</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>  _mm_storeh_pi((__m64*)target, xmm4);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  target += 2;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">for</span>(i = 0; i < leftovers1; ++i) {</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>  diff = src0[0] - points[0];</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>  sq_dist = scalar * (<a class="code" href="volk__complex_8h.html#a9e9cedc79eafa6db42f03878b5a5ba47">lv_creal</a>(diff) * <a class="code" href="volk__complex_8h.html#a9e9cedc79eafa6db42f03878b5a5ba47">lv_creal</a>(diff) + <a class="code" href="volk__complex_8h.html#a1f58129a88c382411b2e8997c8dd89e4">lv_cimag</a>(diff) * <a class="code" href="volk__complex_8h.html#a1f58129a88c382411b2e8997c8dd89e4">lv_cimag</a>(diff));</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  target[0] = sq_dist;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#endif </span><span class="comment">/*LV_HAVE_SSE3*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor">#ifdef LV_HAVE_GENERIC</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> volk_32fc_x2_s32f_square_dist_scalar_mult_32f_a_generic(<span class="keywordtype">float</span>* target, <a class="code" href="volk__complex_8h.html#ace50e1c8ef539cdeee04bc86f0e99169">lv_32fc_t</a>* src0, <a class="code" href="volk__complex_8h.html#ace50e1c8ef539cdeee04bc86f0e99169">lv_32fc_t</a>* points, <span class="keywordtype">float</span> scalar, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_bytes) {</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="volk__complex_8h.html#ace50e1c8ef539cdeee04bc86f0e99169">lv_32fc_t</a> diff;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">float</span> sq_dist;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">for</span>(; i < num_bytes >> 3; ++i) {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  diff = src0[0] - points[i];</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  sq_dist = scalar * (<a class="code" href="volk__complex_8h.html#a9e9cedc79eafa6db42f03878b5a5ba47">lv_creal</a>(diff) * <a class="code" href="volk__complex_8h.html#a9e9cedc79eafa6db42f03878b5a5ba47">lv_creal</a>(diff) + <a class="code" href="volk__complex_8h.html#a1f58129a88c382411b2e8997c8dd89e4">lv_cimag</a>(diff) * <a class="code" href="volk__complex_8h.html#a1f58129a88c382411b2e8997c8dd89e4">lv_cimag</a>(diff));</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  target[i] = sq_dist;</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> }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#endif </span><span class="comment">/*LV_HAVE_GENERIC*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#endif </span><span class="comment">/*INCLUDED_volk_32fc_x2_s32f_square_dist_scalar_mult_32f_a_H*/</span><span class="preprocessor"></span></div>
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