<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.3"/> <title>GNU Radio 3.6.4.1 C++ API: volk_16ic_magnitude_16i_a.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, 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class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef INCLUDED_volk_16ic_magnitude_16i_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_16ic_magnitude_16i_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="volk__common_8h.html">volk/volk_common.h</a>></span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <<a class="code" href="inttypes_8h.html">inttypes.h</a>></span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <stdio.h></span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <math.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 <pmmintrin.h></span><span class="comment"></span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">/*!</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> \brief Calculates the magnitude of the complexVector and stores the results in the magnitudeVector</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> \param complexVector The vector containing the complex input values</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> \param magnitudeVector The vector containing the real output values</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> \param num_points The number of complex values in complexVector to be calculated and stored into cVector</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">*/</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> volk_16ic_magnitude_16i_a_sse3(<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>* magnitudeVector, <span class="keyword">const</span> <a class="code" href="volk__complex_8h.html#af07e55d6690b594b5b1407e62b0f9af0">lv_16sc_t</a>* complexVector, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_points){</div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> number = 0;</div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> quarterPoints = num_points / 4;</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="keyword">const</span> <a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>* complexVectorPtr = (<span class="keyword">const</span> <a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>*)complexVector;</div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>* magnitudeVectorPtr = magnitudeVector;</div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  __m128 vScalar = _mm_set_ps1(32768.0);</div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  __m128 invScalar = _mm_set_ps1(1.0/32768.0);</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>  __m128 cplxValue1, cplxValue2, result;</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>  <a class="code" href="volk__common_8h.html#af8ae70079c1927f7c46b6d1880473d17">__VOLK_ATTR_ALIGNED</a>(16) float inputFloatBuffer[8];</div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <a class="code" href="volk__common_8h.html#af8ae70079c1927f7c46b6d1880473d17">__VOLK_ATTR_ALIGNED</a>(16) <span class="keywordtype">float</span> outputFloatBuffer[4];</div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  for(;number < quarterPoints; number++){</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  inputFloatBuffer[0] = (float)(complexVectorPtr[0]);</div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  inputFloatBuffer[1] = (float)(complexVectorPtr[1]);</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  inputFloatBuffer[2] = (float)(complexVectorPtr[2]);</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  inputFloatBuffer[3] = (float)(complexVectorPtr[3]);</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>  inputFloatBuffer[4] = (float)(complexVectorPtr[4]);</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  inputFloatBuffer[5] = (float)(complexVectorPtr[5]);</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  inputFloatBuffer[6] = (float)(complexVectorPtr[6]);</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  inputFloatBuffer[7] = (float)(complexVectorPtr[7]);</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  cplxValue1 = _mm_load_ps(&inputFloatBuffer[0]);</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  cplxValue2 = _mm_load_ps(&inputFloatBuffer[4]);</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>  complexVectorPtr += 8;</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>  cplxValue1 = _mm_mul_ps(cplxValue1, invScalar);</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  cplxValue2 = _mm_mul_ps(cplxValue2, invScalar);</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  cplxValue1 = _mm_mul_ps(cplxValue1, cplxValue1); <span class="comment">// Square the values</span></div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  cplxValue2 = _mm_mul_ps(cplxValue2, cplxValue2); <span class="comment">// Square the Values</span></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>  result = _mm_hadd_ps(cplxValue1, cplxValue2); <span class="comment">// Add the I2 and Q2 values</span></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>  result = _mm_sqrt_ps(result); <span class="comment">// Square root the values</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>  result = _mm_mul_ps(result, vScalar); <span class="comment">// Scale the results</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>  _mm_store_ps(outputFloatBuffer, result);</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  *magnitudeVectorPtr++ = (<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>)(outputFloatBuffer[0]);</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  *magnitudeVectorPtr++ = (<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>)(outputFloatBuffer[1]);</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  *magnitudeVectorPtr++ = (<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>)(outputFloatBuffer[2]);</div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  *magnitudeVectorPtr++ = (<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>)(outputFloatBuffer[3]);</div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  number = quarterPoints * 4;</div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  magnitudeVectorPtr = &magnitudeVector[number];</div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  complexVectorPtr = (<span class="keyword">const</span> <a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>*)&complexVector[number];</div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">for</span>(; number < num_points; number++){</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> val1Real = (float)(*complexVectorPtr++) / 32768.0;</div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> val1Imag = (float)(*complexVectorPtr++) / 32768.0;</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> val1Result = sqrtf((val1Real * val1Real) + (val1Imag * val1Imag)) * 32768.0;</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  *magnitudeVectorPtr++ = (<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>)(val1Result);</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> }</div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#endif </span><span class="comment">/* LV_HAVE_SSE3 */</span><span class="preprocessor"></span></div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor">#ifdef LV_HAVE_SSE</span></div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor"></span><span class="preprocessor">#include <xmmintrin.h></span><span class="comment"></span></div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment">/*!</span></div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> \brief Calculates the magnitude of the complexVector and stores the results in the magnitudeVector</span></div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> \param complexVector The vector containing the complex input values</span></div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"> \param magnitudeVector The vector containing the real output values</span></div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> \param num_points The number of complex values in complexVector to be calculated and stored into cVector</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment">*/</span></div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> volk_16ic_magnitude_16i_a_sse(<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>* magnitudeVector, <span class="keyword">const</span> <a class="code" href="volk__complex_8h.html#af07e55d6690b594b5b1407e62b0f9af0">lv_16sc_t</a>* complexVector, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_points){</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> number = 0;</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> quarterPoints = num_points / 4;</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">const</span> <a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>* complexVectorPtr = (<span class="keyword">const</span> <a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>*)complexVector;</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>* magnitudeVectorPtr = magnitudeVector;</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>  __m128 vScalar = _mm_set_ps1(32768.0);</div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  __m128 invScalar = _mm_set_ps1(1.0/32768.0);</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>  __m128 cplxValue1, cplxValue2, iValue, qValue, result;</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>  <a class="code" href="volk__common_8h.html#af8ae70079c1927f7c46b6d1880473d17">__VOLK_ATTR_ALIGNED</a>(16) float inputFloatBuffer[4];</div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="volk__common_8h.html#af8ae70079c1927f7c46b6d1880473d17">__VOLK_ATTR_ALIGNED</a>(16) <span class="keywordtype">float</span> outputFloatBuffer[4];</div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  for(;number < quarterPoints; number++){</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>  inputFloatBuffer[0] = (float)(complexVectorPtr[0]);</div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  inputFloatBuffer[1] = (float)(complexVectorPtr[1]);</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  inputFloatBuffer[2] = (float)(complexVectorPtr[2]);</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  inputFloatBuffer[3] = (float)(complexVectorPtr[3]);</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  cplxValue1 = _mm_load_ps(inputFloatBuffer);</div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  complexVectorPtr += 4;</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  inputFloatBuffer[0] = (float)(complexVectorPtr[0]);</div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  inputFloatBuffer[1] = (float)(complexVectorPtr[1]);</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  inputFloatBuffer[2] = (float)(complexVectorPtr[2]);</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  inputFloatBuffer[3] = (float)(complexVectorPtr[3]);</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  cplxValue2 = _mm_load_ps(inputFloatBuffer);</div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  complexVectorPtr += 4;</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>  cplxValue1 = _mm_mul_ps(cplxValue1, invScalar);</div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  cplxValue2 = _mm_mul_ps(cplxValue2, invScalar);</div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// Arrange in i1i2i3i4 format</span></div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  iValue = _mm_shuffle_ps(cplxValue1, cplxValue2, _MM_SHUFFLE(2,0,2,0));</div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// Arrange in q1q2q3q4 format</span></div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  qValue = _mm_shuffle_ps(cplxValue1, cplxValue2, _MM_SHUFFLE(3,1,3,1));</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>  iValue = _mm_mul_ps(iValue, iValue); <span class="comment">// Square the I values</span></div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  qValue = _mm_mul_ps(qValue, qValue); <span class="comment">// Square the Q Values</span></div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  result = _mm_add_ps(iValue, qValue); <span class="comment">// Add the I2 and Q2 values</span></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>  result = _mm_sqrt_ps(result); <span class="comment">// Square root the values</span></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>  result = _mm_mul_ps(result, vScalar); <span class="comment">// Scale the results</span></div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  _mm_store_ps(outputFloatBuffer, result);</div> <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  *magnitudeVectorPtr++ = (<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>)(outputFloatBuffer[0]);</div> <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  *magnitudeVectorPtr++ = (<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>)(outputFloatBuffer[1]);</div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  *magnitudeVectorPtr++ = (<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>)(outputFloatBuffer[2]);</div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  *magnitudeVectorPtr++ = (<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>)(outputFloatBuffer[3]);</div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  number = quarterPoints * 4;</div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  magnitudeVectorPtr = &magnitudeVector[number];</div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  complexVectorPtr = (<span class="keyword">const</span> <a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>*)&complexVector[number];</div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">for</span>(; number < num_points; number++){</div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> val1Real = (float)(*complexVectorPtr++) / 32768.0;</div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> val1Imag = (float)(*complexVectorPtr++) / 32768.0;</div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> val1Result = sqrtf((val1Real * val1Real) + (val1Imag * val1Imag)) * 32768.0;</div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  *magnitudeVectorPtr++ = (<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>)(val1Result);</div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> }</div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor">#endif </span><span class="comment">/* LV_HAVE_SSE */</span><span class="preprocessor"></span></div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor">#ifdef LV_HAVE_GENERIC</span></div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor"></span><span class="comment">/*!</span></div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> \brief Calculates the magnitude of the complexVector and stores the results in the magnitudeVector</span></div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> \param complexVector The vector containing the complex input values</span></div> <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> \param magnitudeVector The vector containing the real output values</span></div> <div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> \param num_points The number of complex values in complexVector to be calculated and stored into cVector</span></div> <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment">*/</span></div> <div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> volk_16ic_magnitude_16i_a_generic(<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>* magnitudeVector, <span class="keyword">const</span> <a class="code" href="volk__complex_8h.html#af07e55d6690b594b5b1407e62b0f9af0">lv_16sc_t</a>* complexVector, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_points){</div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">const</span> <a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>* complexVectorPtr = (<span class="keyword">const</span> <a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>*)complexVector;</div> <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>* magnitudeVectorPtr = magnitudeVector;</div> <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> number = 0;</div> <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> scalar = 32768.0;</div> <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">for</span>(number = 0; number < num_points; number++){</div> <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">float</span> real = ((float)(*complexVectorPtr++)) / scalar;</div> <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">float</span> imag = ((float)(*complexVectorPtr++)) / scalar;</div> <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  *magnitudeVectorPtr++ = (<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>)(sqrtf((real*real) + (imag*imag)) * scalar);</div> <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div> <div class="line"><a name="l00174"></a><span class="lineno"> 174</span> }</div> <div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="preprocessor">#endif </span><span class="comment">/* LV_HAVE_GENERIC */</span><span class="preprocessor"></span></div> <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor">#ifdef LV_HAVE_ORC_DISABLED</span></div> <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="preprocessor"></span><span class="comment">/*!</span></div> <div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"> \brief Calculates the magnitude of the complexVector and stores the results in the magnitudeVector</span></div> <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> \param complexVector The vector containing the complex input values</span></div> <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> \param magnitudeVector The vector containing the real output values</span></div> <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> \param num_points The number of complex values in complexVector to be calculated and stored into cVector</span></div> <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment">*/</span></div> <div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> volk_16ic_magnitude_16i_a_orc_impl(<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>* magnitudeVector, <span class="keyword">const</span> <a class="code" href="volk__complex_8h.html#af07e55d6690b594b5b1407e62b0f9af0">lv_16sc_t</a>* complexVector, <span class="keywordtype">float</span> scalar, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_points);</div> <div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> volk_16ic_magnitude_16i_a_orc(<a class="code" href="stdint_8h.html#a269259c924dce846340ddbb810db2e3c">int16_t</a>* magnitudeVector, <span class="keyword">const</span> <a class="code" href="volk__complex_8h.html#af07e55d6690b594b5b1407e62b0f9af0">lv_16sc_t</a>* complexVector, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_points){</div> <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  volk_16ic_magnitude_16i_a_orc_impl(magnitudeVector, complexVector, 32768.0, num_points);</div> <div class="line"><a name="l00187"></a><span class="lineno"> 187</span> }</div> <div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor">#endif </span><span class="comment">/* LV_HAVE_ORC */</span><span class="preprocessor"></span></div> <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div> <div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_volk_16ic_magnitude_16i_a_H */</span><span class="preprocessor"></span></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_ae2bed2ec5a7e8cc3c6fe8189aba5582.html">volk</a></li><li class="navelem"><a class="el" href="dir_65faefda812cb3f8ac5b182df74eac77.html">include</a></li><li class="navelem"><a class="el" href="dir_35412c2d6cdb849e27c8bd8fabbcf131.html">volk</a></li><li class="navelem"><a class="el" href="volk__16ic__magnitude__16i__a_8h.html">volk_16ic_magnitude_16i_a.h</a></li> <li class="footer">Generated on Fri Apr 19 2013 16:20:34 for GNU Radio 3.6.4.1 C++ API by <a href="http://www.doxygen.org/index.html"> <img class="footer" 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