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<div class="title">FloatingPointConverterTest.cpp</div> </div>
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<a href="_floating_point_converter_test_8cpp.xhtml">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="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright © 2017 Arm Ltd. All rights reserved.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <<a class="code" href="_floating_point_converter_8hpp.xhtml">armnnUtils/FloatingPointConverter.hpp</a>></span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> </div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <<a class="code" href="_b_float16_8hpp.xhtml">BFloat16.hpp</a>></span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <<a class="code" href="_half_8hpp.xhtml">Half.hpp</a>></span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <boost/test/unit_test.hpp></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> <a class="code" href="_output_shape_of_squeeze_8cpp.xhtml#ae3a6cb217a792718f2bd0e8f45e3ca9e">BOOST_AUTO_TEST_SUITE</a>(TestFPConversion)</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"><a class="line" href="_floating_point_converter_test_8cpp.xhtml#a80857754f783d5daf4a6c7697196721a"> 15</a></span> <a class="code" href="_floating_point_converter_test_8cpp.xhtml#a80857754f783d5daf4a6c7697196721a">BOOST_AUTO_TEST_CASE</a>(TestConvertFp32ToFp16)</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> {</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="keyword">using namespace </span>half_float::literal;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keywordtype">float</span> floatArray[] = { 1.0f, 2.0f, 0.5f, 3.1f, 2.4f,</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  5.666f, 6.444f, 7.1f, 432.121f, 12.22f };</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keywordtype">size_t</span> numFloats = <span class="keyword">sizeof</span>(floatArray) / <span class="keyword">sizeof</span>(floatArray[0]);</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  std::vector<armnn::Half> convertedBuffer(numFloats, 0.0_h);</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>  <a class="code" href="classarmnn_utils_1_1_floating_point_converter.xhtml#af0fdbfb53596052d571cb73899f9da2b">armnnUtils::FloatingPointConverter::ConvertFloat32To16</a>(floatArray, numFloats, convertedBuffer.data());</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < numFloats; i++)</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>  <a class="code" href="namespacearmnn.xhtml#a0f38fa92b2468d5378258a2b074c1a31">armnn::Half</a> expected(floatArray[i]);</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <a class="code" href="namespacearmnn.xhtml#a0f38fa92b2468d5378258a2b074c1a31">armnn::Half</a> actual = convertedBuffer[i];</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  BOOST_CHECK_EQUAL(expected, actual);</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>  <span class="keywordtype">float</span> convertedHalf = actual;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  BOOST_CHECK_CLOSE(floatArray[i], convertedHalf, 0.07);</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  }</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> }</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="_floating_point_converter_test_8cpp.xhtml#a534ea3f8521157f7920f99ebab136c78"> 37</a></span> <a class="code" href="_floating_point_converter_test_8cpp.xhtml#a80857754f783d5daf4a6c7697196721a">BOOST_AUTO_TEST_CASE</a>(TestConvertFp16ToFp32)</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>  <span class="keyword">using namespace </span>half_float::literal;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="namespacearmnn.xhtml#a0f38fa92b2468d5378258a2b074c1a31">armnn::Half</a> halfArray[] = { 1.0_h, 2.0_h, 0.5_h, 3.1_h, 2.4_h,</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  5.666_h, 6.444_h, 7.1_h, 432.121_h, 12.22_h };</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordtype">size_t</span> numFloats = <span class="keyword">sizeof</span>(halfArray) / <span class="keyword">sizeof</span>(halfArray[0]);</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  std::vector<float> convertedBuffer(numFloats, 0.0f);</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="classarmnn_utils_1_1_floating_point_converter.xhtml#ac1f1568f02163a68906a0030e0ba9871">armnnUtils::FloatingPointConverter::ConvertFloat16To32</a>(halfArray, numFloats, convertedBuffer.data());</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < numFloats; i++)</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordtype">float</span> expected(halfArray[i]);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">float</span> actual = convertedBuffer[i];</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  BOOST_CHECK_EQUAL(expected, actual);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> }</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="_floating_point_converter_test_8cpp.xhtml#a5434f452b44ecad55d1ae9090ccdf718"> 56</a></span> <a class="code" href="_floating_point_converter_test_8cpp.xhtml#a80857754f783d5daf4a6c7697196721a">BOOST_AUTO_TEST_CASE</a>(TestConvertFloat32ToBFloat16)</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>  <span class="keywordtype">float</span> floatArray[] = { 1.704735E38f, <span class="comment">// 0x7F004000 round down</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  0.0f, <span class="comment">// 0x00000000 round down</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  2.2959E-41f, <span class="comment">// 0x00004000 round down</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  1.7180272E38f, <span class="comment">// 0x7F014000 round down</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  9.18355E-41f, <span class="comment">// 0x00010000 round down</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  1.14794E-40f, <span class="comment">// 0x00014000 round down</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  4.5918E-41f, <span class="comment">// 0x00008000 round down</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  -1.708058E38f, <span class="comment">// 0xFF008000 round down</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  -4.3033756E37f, <span class="comment">// 0xFE018000 round up</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  1.60712E-40f, <span class="comment">// 0x0001C000 round up</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  -2.0234377f, <span class="comment">// 0xC0018001 round up</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  -1.1800863E-38f,<span class="comment">// 0x80808001 round up</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  4.843037E-35f, <span class="comment">// 0x0680C000 round up</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  3.9999998f, <span class="comment">// 0x407FFFFF round up</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  std::numeric_limits<float>::max(), <span class="comment">// 0x7F7FFFFF max positive value</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  std::numeric_limits<float>::lowest(), <span class="comment">// 0xFF7FFFFF max negative value</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  1.1754942E-38f, <span class="comment">// 0x007FFFFF min positive value</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  -1.1754942E-38f <span class="comment">// 0x807FFFFF min negative value</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>  uint16_t expectedResult[] = { 0x7F00,</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  0x0000,</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  0x0000,</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  0x7F01,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  0x0001,</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  0x0001,</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  0x0000,</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  0xFF00,</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  0xFE02,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  0x0002,</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  0xC002,</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  0x8081,</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  0x0681,</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  0x4080,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  0x7F80,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  0xFF80,</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  0x0080,</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  0x8080</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="keywordtype">size_t</span> numFloats = <span class="keyword">sizeof</span>(floatArray) / <span class="keyword">sizeof</span>(floatArray[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>  std::vector<armnn::BFloat16> convertedBuffer(numFloats);</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="classarmnn_utils_1_1_floating_point_converter.xhtml#ac7add3b3d40fbaab5e514c756a953d78">armnnUtils::FloatingPointConverter::ConvertFloat32ToBFloat16</a>(floatArray, numFloats, convertedBuffer.data());</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < numFloats; i++)</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>  <a class="code" href="classarmnn_1_1_b_float16.xhtml">armnn::BFloat16</a> actual = convertedBuffer[i];</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  BOOST_CHECK_EQUAL(expectedResult[i], actual.<a class="code" href="classarmnn_1_1_b_float16.xhtml#afbd0d2d6540777e3898d125b79f6a5bc">Val</a>());</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> }</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="_floating_point_converter_test_8cpp.xhtml#aeba84443623202e1c3c6f8c6d6cb6740"> 109</a></span> <a class="code" href="_floating_point_converter_test_8cpp.xhtml#a80857754f783d5daf4a6c7697196721a">BOOST_AUTO_TEST_CASE</a>(TestConvertBFloat16ToFloat32)</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> {</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  uint16_t bf16Array[] = { 16256, 16320, 38699, 16384, 49156, 32639 };</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">size_t</span> numFloats = <span class="keyword">sizeof</span>(bf16Array) / <span class="keyword">sizeof</span>(bf16Array[0]);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">float</span> expectedResult[] = { 1.0f, 1.5f, -5.525308E-25f, 2.0f, -2.0625f, 3.3895314E38f };</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  std::vector<float> convertedBuffer(numFloats, 0.0f);</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="classarmnn_utils_1_1_floating_point_converter.xhtml#af9e9df90cb6319b0406acf9a3bc27667">armnnUtils::FloatingPointConverter::ConvertBFloat16ToFloat32</a>(bf16Array, numFloats, convertedBuffer.data());</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < numFloats; i++)</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">float</span> actual = convertedBuffer[i];</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  BOOST_CHECK_EQUAL(expectedResult[i], actual);</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> }</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> <a class="code" href="_profiler_tests_8cpp.xhtml#af7f71af5c6c124222dd1c42c5df892f4">BOOST_AUTO_TEST_SUITE_END</a>()</div><div class="ttc" id="_output_shape_of_squeeze_8cpp_xhtml_ae3a6cb217a792718f2bd0e8f45e3ca9e"><div class="ttname"><a href="_output_shape_of_squeeze_8cpp.xhtml#ae3a6cb217a792718f2bd0e8f45e3ca9e">BOOST_AUTO_TEST_SUITE</a></div><div class="ttdeci">BOOST_AUTO_TEST_SUITE(TensorflowLiteParser)</div></div>
<div class="ttc" id="_floating_point_converter_8hpp_xhtml"><div class="ttname"><a href="_floating_point_converter_8hpp.xhtml">FloatingPointConverter.hpp</a></div></div>
<div class="ttc" id="classarmnn_utils_1_1_floating_point_converter_xhtml_af9e9df90cb6319b0406acf9a3bc27667"><div class="ttname"><a href="classarmnn_utils_1_1_floating_point_converter.xhtml#af9e9df90cb6319b0406acf9a3bc27667">armnnUtils::FloatingPointConverter::ConvertBFloat16ToFloat32</a></div><div class="ttdeci">static void ConvertBFloat16ToFloat32(const void *srcBFloat16Buffer, size_t numElements, float *dstFloat32Buffer)</div><div class="ttdef"><b>Definition:</b> <a href="_floating_point_converter_8cpp_source.xhtml#l00061">FloatingPointConverter.cpp:61</a></div></div>
<div class="ttc" id="classarmnn_1_1_b_float16_xhtml"><div class="ttname"><a href="classarmnn_1_1_b_float16.xhtml">armnn::BFloat16</a></div><div class="ttdef"><b>Definition:</b> <a href="_b_float16_8hpp_source.xhtml#l00014">BFloat16.hpp:14</a></div></div>
<div class="ttc" id="classarmnn_utils_1_1_floating_point_converter_xhtml_af0fdbfb53596052d571cb73899f9da2b"><div class="ttname"><a href="classarmnn_utils_1_1_floating_point_converter.xhtml#af0fdbfb53596052d571cb73899f9da2b">armnnUtils::FloatingPointConverter::ConvertFloat32To16</a></div><div class="ttdeci">static void ConvertFloat32To16(const float *srcFloat32Buffer, size_t numElements, void *dstFloat16Buffer)</div><div class="ttdoc">Converts a buffer of FP32 values to FP16, and stores in the given dstFloat16Buffer. </div><div class="ttdef"><b>Definition:</b> <a href="_floating_point_converter_8cpp_source.xhtml#l00016">FloatingPointConverter.cpp:16</a></div></div>
<div class="ttc" id="classarmnn_1_1_b_float16_xhtml_afbd0d2d6540777e3898d125b79f6a5bc"><div class="ttname"><a href="classarmnn_1_1_b_float16.xhtml#afbd0d2d6540777e3898d125b79f6a5bc">armnn::BFloat16::Val</a></div><div class="ttdeci">uint16_t Val() const</div><div class="ttdef"><b>Definition:</b> <a href="_b_float16_8hpp_source.xhtml#l00092">BFloat16.hpp:92</a></div></div>
<div class="ttc" id="classarmnn_utils_1_1_floating_point_converter_xhtml_ac1f1568f02163a68906a0030e0ba9871"><div class="ttname"><a href="classarmnn_utils_1_1_floating_point_converter.xhtml#ac1f1568f02163a68906a0030e0ba9871">armnnUtils::FloatingPointConverter::ConvertFloat16To32</a></div><div class="ttdeci">static void ConvertFloat16To32(const void *srcFloat16Buffer, size_t numElements, float *dstFloat32Buffer)</div><div class="ttdef"><b>Definition:</b> <a href="_floating_point_converter_8cpp_source.xhtml#l00031">FloatingPointConverter.cpp:31</a></div></div>
<div class="ttc" id="_half_8hpp_xhtml"><div class="ttname"><a href="_half_8hpp.xhtml">Half.hpp</a></div></div>
<div class="ttc" id="_profiler_tests_8cpp_xhtml_af7f71af5c6c124222dd1c42c5df892f4"><div class="ttname"><a href="_profiler_tests_8cpp.xhtml#af7f71af5c6c124222dd1c42c5df892f4">BOOST_AUTO_TEST_SUITE_END</a></div><div class="ttdeci">BOOST_AUTO_TEST_SUITE_END()</div></div>
<div class="ttc" id="classarmnn_utils_1_1_floating_point_converter_xhtml_ac7add3b3d40fbaab5e514c756a953d78"><div class="ttname"><a href="classarmnn_utils_1_1_floating_point_converter.xhtml#ac7add3b3d40fbaab5e514c756a953d78">armnnUtils::FloatingPointConverter::ConvertFloat32ToBFloat16</a></div><div class="ttdeci">static void ConvertFloat32ToBFloat16(const float *srcFloat32Buffer, size_t numElements, void *dstBFloat16Buffer)</div><div class="ttdef"><b>Definition:</b> <a href="_floating_point_converter_8cpp_source.xhtml#l00046">FloatingPointConverter.cpp:46</a></div></div>
<div class="ttc" id="_b_float16_8hpp_xhtml"><div class="ttname"><a href="_b_float16_8hpp.xhtml">BFloat16.hpp</a></div></div>
<div class="ttc" id="_floating_point_converter_test_8cpp_xhtml_a80857754f783d5daf4a6c7697196721a"><div class="ttname"><a href="_floating_point_converter_test_8cpp.xhtml#a80857754f783d5daf4a6c7697196721a">BOOST_AUTO_TEST_CASE</a></div><div class="ttdeci">BOOST_AUTO_TEST_CASE(TestConvertFp32ToFp16)</div><div class="ttdef"><b>Definition:</b> <a href="_floating_point_converter_test_8cpp_source.xhtml#l00015">FloatingPointConverterTest.cpp:15</a></div></div>
<div class="ttc" id="namespacearmnn_xhtml_a0f38fa92b2468d5378258a2b074c1a31"><div class="ttname"><a href="namespacearmnn.xhtml#a0f38fa92b2468d5378258a2b074c1a31">armnn::Half</a></div><div class="ttdeci">half_float::half Half</div><div class="ttdef"><b>Definition:</b> <a href="_half_8hpp_source.xhtml#l00016">Half.hpp:16</a></div></div>
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