Ryan OShea | de36e4a | 2020-03-13 16:26:19 +0000 | [diff] [blame] | 1 | <!-- Copyright (c) 2020 ARM Limited. --> |
| 2 | <!-- --> |
| 3 | <!-- SPDX-License-Identifier: MIT --> |
| 4 | <!-- --> |
| 5 | <!-- HTML header for doxygen 1.8.13--> |
| 6 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| 7 | <html xmlns="http://www.w3.org/1999/xhtml"> |
| 8 | <head> |
| 9 | <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> |
| 10 | <meta http-equiv="X-UA-Compatible" content="IE=9"/> |
| 11 | <meta name="generator" content="Doxygen 1.8.13"/> |
| 12 | <meta name="robots" content="NOINDEX, NOFOLLOW" /> |
| 13 | <meta name="viewport" content="width=device-width, initial-scale=1"/> |
| 14 | <title>ArmNN: src/armnnUtils/BFloat16.hpp Source File</title> |
| 15 | <link href="tabs.css" rel="stylesheet" type="text/css"/> |
| 16 | <script type="text/javascript" src="jquery.js"></script> |
| 17 | <script type="text/javascript" src="dynsections.js"></script> |
| 18 | <link href="navtree.css" rel="stylesheet" type="text/css"/> |
| 19 | <script type="text/javascript" src="resize.js"></script> |
| 20 | <script type="text/javascript" src="navtreedata.js"></script> |
| 21 | <script type="text/javascript" src="navtree.js"></script> |
| 22 | <script type="text/javascript"> |
| 23 | $(document).ready(initResizable); |
| 24 | </script> |
| 25 | <link href="search/search.css" rel="stylesheet" type="text/css"/> |
| 26 | <script type="text/javascript" src="search/searchdata.js"></script> |
| 27 | <script type="text/javascript" src="search/search.js"></script> |
| 28 | <script type="text/x-mathjax-config"> |
| 29 | MathJax.Hub.Config({ |
| 30 | extensions: ["tex2jax.js"], |
| 31 | jax: ["input/TeX","output/HTML-CSS"], |
| 32 | }); |
| 33 | </script><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js"></script> |
| 34 | <link href="doxygen.css" rel="stylesheet" type="text/css" /> |
| 35 | <link href="stylesheet.css" rel="stylesheet" type="text/css"/> |
| 36 | </head> |
| 37 | <body> |
| 38 | <div id="top"><!-- do not remove this div, it is closed by doxygen! --> |
| 39 | <div id="titlearea"> |
| 40 | <table cellspacing="0" cellpadding="0"> |
| 41 | <tbody> |
| 42 | <tr style="height: 56px;"> |
| 43 | <img alt="ArmNN" src="Arm_NN_horizontal_blue.png" style="max-width: 10rem; margin-top: .5rem; margin-left 10px"/> |
| 44 | <td style="padding-left: 0.5em;"> |
| 45 | <div id="projectname"> |
| 46 |  <span id="projectnumber">20.02</span> |
| 47 | </div> |
| 48 | </td> |
| 49 | </tr> |
| 50 | </tbody> |
| 51 | </table> |
| 52 | </div> |
| 53 | <!-- end header part --> |
| 54 | <!-- Generated by Doxygen 1.8.13 --> |
| 55 | <script type="text/javascript"> |
| 56 | var searchBox = new SearchBox("searchBox", "search",false,'Search'); |
| 57 | </script> |
| 58 | <script type="text/javascript" src="menudata.js"></script> |
| 59 | <script type="text/javascript" src="menu.js"></script> |
| 60 | <script type="text/javascript"> |
| 61 | $(function() { |
| 62 | initMenu('',true,false,'search.php','Search'); |
| 63 | $(document).ready(function() { init_search(); }); |
| 64 | }); |
| 65 | </script> |
| 66 | <div id="main-nav"></div> |
| 67 | </div><!-- top --> |
| 68 | <div id="side-nav" class="ui-resizable side-nav-resizable"> |
| 69 | <div id="nav-tree"> |
| 70 | <div id="nav-tree-contents"> |
| 71 | <div id="nav-sync" class="sync"></div> |
| 72 | </div> |
| 73 | </div> |
| 74 | <div id="splitbar" style="-moz-user-select:none;" |
| 75 | class="ui-resizable-handle"> |
| 76 | </div> |
| 77 | </div> |
| 78 | <script type="text/javascript"> |
| 79 | $(document).ready(function(){initNavTree('_b_float16_8hpp_source.xhtml','');}); |
| 80 | </script> |
| 81 | <div id="doc-content"> |
| 82 | <!-- window showing the filter options --> |
| 83 | <div id="MSearchSelectWindow" |
| 84 | onmouseover="return searchBox.OnSearchSelectShow()" |
| 85 | onmouseout="return searchBox.OnSearchSelectHide()" |
| 86 | onkeydown="return searchBox.OnSearchSelectKey(event)"> |
| 87 | </div> |
| 88 | |
| 89 | <!-- iframe showing the search results (closed by default) --> |
| 90 | <div id="MSearchResultsWindow"> |
| 91 | <iframe src="javascript:void(0)" frameborder="0" |
| 92 | name="MSearchResults" id="MSearchResults"> |
| 93 | </iframe> |
| 94 | </div> |
| 95 | |
| 96 | <div class="header"> |
| 97 | <div class="headertitle"> |
| 98 | <div class="title">BFloat16.hpp</div> </div> |
| 99 | </div><!--header--> |
| 100 | <div class="contents"> |
| 101 | <a href="_b_float16_8hpp.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 © 2020 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">#pragma once</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 <ostream></span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <cmath></span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <stdint.h></span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="keyword">namespace </span><a class="code" href="namespacearmnn.xhtml">armnn</a></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> {</div><div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="classarmnn_1_1_b_float16.xhtml"> 14</a></span> <span class="keyword">class </span><a class="code" href="classarmnn_1_1_b_float16.xhtml">BFloat16</a></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> <span class="keyword">public</span>:</div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="classarmnn_1_1_b_float16.xhtml#a8f4fc25560afea5a7a45cdbf20fc30ca"> 17</a></span>  <a class="code" href="classarmnn_1_1_b_float16.xhtml#a8f4fc25560afea5a7a45cdbf20fc30ca">BFloat16</a>()</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  : m_Value(0)</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</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"><a class="line" href="classarmnn_1_1_b_float16.xhtml#a58f28952f1e43061905be5f1789cccfe"> 21</a></span>  <span class="keyword">explicit</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml#a58f28952f1e43061905be5f1789cccfe">BFloat16</a>(uint16_t v)</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  : m_Value(v)</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> </div><div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="classarmnn_1_1_b_float16.xhtml#ac5c86c8ca117ed170c80f74e98b55d9b"> 25</a></span>  <span class="keyword">explicit</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml#ac5c86c8ca117ed170c80f74e98b55d9b">BFloat16</a>(<span class="keywordtype">float</span> v)</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>  m_Value = <a class="code" href="classarmnn_1_1_b_float16.xhtml#a3ff08d61c8f7403c9f790e2b96d91a9d">Float32ToBFloat16</a>(v).<a class="code" href="classarmnn_1_1_b_float16.xhtml#afbd0d2d6540777e3898d125b79f6a5bc">Val</a>();</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> </div><div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="classarmnn_1_1_b_float16.xhtml#abc4ec9f715112697477f2f425122ce21"> 30</a></span>  <span class="keyword">operator</span> float()<span class="keyword"> const</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordflow">return</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml#afe0f15d338fde36113a613f6e165b0e9">ToFloat32</a>();</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> </div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classarmnn_1_1_b_float16.xhtml#a76bc1a86051c4140e81a9322b6d9a43c"> 35</a></span>  <a class="code" href="classarmnn_1_1_b_float16.xhtml">BFloat16</a>& <a class="code" href="classarmnn_1_1_b_float16.xhtml#a76bc1a86051c4140e81a9322b6d9a43c">operator=</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml">BFloat16</a>& other)</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>  m_Value = other.<a class="code" href="classarmnn_1_1_b_float16.xhtml#afbd0d2d6540777e3898d125b79f6a5bc">Val</a>();</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  }</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classarmnn_1_1_b_float16.xhtml#a2cb077e0d34d52b8c3a5552533c4600f"> 41</a></span>  <a class="code" href="classarmnn_1_1_b_float16.xhtml">BFloat16</a>& <a class="code" href="classarmnn_1_1_b_float16.xhtml#a2cb077e0d34d52b8c3a5552533c4600f">operator=</a>(<span class="keywordtype">float</span> v)</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  m_Value = <a class="code" href="classarmnn_1_1_b_float16.xhtml#a3ff08d61c8f7403c9f790e2b96d91a9d">Float32ToBFloat16</a>(v).<a class="code" href="classarmnn_1_1_b_float16.xhtml#afbd0d2d6540777e3898d125b79f6a5bc">Val</a>();</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</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> </div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classarmnn_1_1_b_float16.xhtml#aecfc3fae6930caee98c9fc8b973068a8"> 47</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml#aecfc3fae6930caee98c9fc8b973068a8">operator==</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml">BFloat16</a>& r)<span class="keyword"> const</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span> m_Value == r.<a class="code" href="classarmnn_1_1_b_float16.xhtml#afbd0d2d6540777e3898d125b79f6a5bc">Val</a>();</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> </div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classarmnn_1_1_b_float16.xhtml#a3ff08d61c8f7403c9f790e2b96d91a9d"> 52</a></span>  <span class="keyword">static</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml">BFloat16</a> <a class="code" href="classarmnn_1_1_b_float16.xhtml#a3ff08d61c8f7403c9f790e2b96d91a9d">Float32ToBFloat16</a>(<span class="keyword">const</span> <span class="keywordtype">float</span> v)</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>  <span class="keywordflow">if</span> (std::isnan(v))</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml#ae80b11dd8875fbf6e76cb054764ca6fb">Nan</a>();</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="keywordflow">else</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// Round value to the nearest even</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// Float32</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// S EEEEEEEE MMMMMMLRMMMMMMMMMMMMMMM</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// BFloat16</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// S EEEEEEEE MMMMMML</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// LSB (L): Least significat bit of BFloat16 (last bit of the Mantissa of BFloat16)</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// R: Rounding bit</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// LSB = 0, R = 0 -> round down</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// LSB = 1, R = 0 -> round down</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// LSB = 0, R = 1, all the rest = 0 -> round down</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// LSB = 1, R = 1 -> round up</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// LSB = 0, R = 1 -> round up</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> uint32_t* u32 = <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>uint32_t*<span class="keyword">></span>(&v);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  uint16_t u16 = <span class="keyword">static_cast<</span>uint16_t<span class="keyword">></span>(*u32 >> 16u);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// Mark the LSB</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">const</span> uint16_t lsb = u16 & 0x0001;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// Mark the error to be truncate (the rest of 16 bits of FP32)</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">const</span> uint16_t <a class="code" href="namespacearmnn.xhtml#a4dc0adc6737b5944e7671bee71788407acb5e100e5a9a3e7f6d1fd97512215282">error</a> = <span class="keyword">static_cast<</span><span class="keyword">const </span>uint16_t<span class="keyword">></span>((*u32 & 0x0000FFFF));</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> ((error > 0x8000 || (error == 0x8000 && lsb == 1)))</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  u16++;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="classarmnn_1_1_b_float16.xhtml">BFloat16</a> b(u16);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">return</span> b;</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>  }</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classarmnn_1_1_b_float16.xhtml#afe0f15d338fde36113a613f6e165b0e9"> 87</a></span>  <span class="keywordtype">float</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml#afe0f15d338fde36113a613f6e165b0e9">ToFloat32</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">const</span> uint32_t u32 = <span class="keyword">static_cast<</span><span class="keyword">const </span>uint32_t<span class="keyword">></span>(m_Value << 16u);</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">const</span> <span class="keywordtype">float</span>* f32 = <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">float</span>*<span class="keyword">></span>(&u32);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> *f32;</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> </div><div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classarmnn_1_1_b_float16.xhtml#afbd0d2d6540777e3898d125b79f6a5bc"> 94</a></span>  uint16_t <a class="code" href="classarmnn_1_1_b_float16.xhtml#afbd0d2d6540777e3898d125b79f6a5bc">Val</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> m_Value;</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"><a class="line" href="classarmnn_1_1_b_float16.xhtml#a62b171b39ea69724817f5fe08169ca7d"> 99</a></span>  <span class="keyword">static</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml">BFloat16</a> <a class="code" href="classarmnn_1_1_b_float16.xhtml#a62b171b39ea69724817f5fe08169ca7d">Max</a>()</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  {</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  uint16_t max = 0x7F7F;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml#a8f4fc25560afea5a7a45cdbf20fc30ca">BFloat16</a>(max);</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"><a class="line" href="classarmnn_1_1_b_float16.xhtml#ae80b11dd8875fbf6e76cb054764ca6fb"> 105</a></span>  <span class="keyword">static</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml">BFloat16</a> <a class="code" href="classarmnn_1_1_b_float16.xhtml#ae80b11dd8875fbf6e76cb054764ca6fb">Nan</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>  uint16_t nan = 0x7FC0;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml#a8f4fc25560afea5a7a45cdbf20fc30ca">BFloat16</a>(nan);</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> </div><div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="classarmnn_1_1_b_float16.xhtml#ae5b250d59f169e00a39ad3ec787db22a"> 111</a></span>  <span class="keyword">static</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml">BFloat16</a> <a class="code" href="classarmnn_1_1_b_float16.xhtml#ae5b250d59f169e00a39ad3ec787db22a">Inf</a>()</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>  uint16_t infVal = 0x7F80;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">return</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml#a8f4fc25560afea5a7a45cdbf20fc30ca">BFloat16</a>(infVal);</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> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  uint16_t m_Value;</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> </div><div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="namespacearmnn.xhtml#aa1166f0056ce60553e825ae3cee4d5f7"> 121</a></span> <span class="keyword">inline</span> std::ostream& <a class="code" href="namespacearmnn.xhtml#a5b0313cb554380d6e4dfb24c31f9e605">operator<<</a>(std::ostream& os, <span class="keyword">const</span> <a class="code" href="classarmnn_1_1_b_float16.xhtml">BFloat16</a>& b)</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>  os << b.<a class="code" href="classarmnn_1_1_b_float16.xhtml#afe0f15d338fde36113a613f6e165b0e9">ToFloat32</a>() << <span class="stringliteral">"(0x"</span> << std::hex << b.<a class="code" href="classarmnn_1_1_b_float16.xhtml#afbd0d2d6540777e3898d125b79f6a5bc">Val</a>() << <span class="stringliteral">")"</span>;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">return</span> os;</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> </div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> } <span class="comment">//namespace armnn</span></div><div class="ttc" id="classarmnn_1_1_b_float16_xhtml_afe0f15d338fde36113a613f6e165b0e9"><div class="ttname"><a href="classarmnn_1_1_b_float16.xhtml#afe0f15d338fde36113a613f6e165b0e9">armnn::BFloat16::ToFloat32</a></div><div class="ttdeci">float ToFloat32() const</div><div class="ttdef"><b>Definition:</b> <a href="_b_float16_8hpp_source.xhtml#l00087">BFloat16.hpp:87</a></div></div> |
| 102 | <div class="ttc" id="classarmnn_1_1_b_float16_xhtml_ac5c86c8ca117ed170c80f74e98b55d9b"><div class="ttname"><a href="classarmnn_1_1_b_float16.xhtml#ac5c86c8ca117ed170c80f74e98b55d9b">armnn::BFloat16::BFloat16</a></div><div class="ttdeci">BFloat16(float v)</div><div class="ttdef"><b>Definition:</b> <a href="_b_float16_8hpp_source.xhtml#l00025">BFloat16.hpp:25</a></div></div> |
| 103 | <div class="ttc" id="classarmnn_1_1_b_float16_xhtml_a76bc1a86051c4140e81a9322b6d9a43c"><div class="ttname"><a href="classarmnn_1_1_b_float16.xhtml#a76bc1a86051c4140e81a9322b6d9a43c">armnn::BFloat16::operator=</a></div><div class="ttdeci">BFloat16 & operator=(const BFloat16 &other)</div><div class="ttdef"><b>Definition:</b> <a href="_b_float16_8hpp_source.xhtml#l00035">BFloat16.hpp:35</a></div></div> |
| 104 | <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> |
| 105 | <div class="ttc" id="namespacearmnn_xhtml_a5b0313cb554380d6e4dfb24c31f9e605"><div class="ttname"><a href="namespacearmnn.xhtml#a5b0313cb554380d6e4dfb24c31f9e605">armnn::operator<<</a></div><div class="ttdeci">std::ostream & operator<<(std::ostream &os, const std::vector< Compute > &compute)</div><div class="ttdoc">Deprecated function that will be removed together with the Compute enum. </div><div class="ttdef"><b>Definition:</b> <a href="_backend_id_8hpp_source.xhtml#l00047">BackendId.hpp:47</a></div></div> |
| 106 | <div class="ttc" id="classarmnn_1_1_b_float16_xhtml_a2cb077e0d34d52b8c3a5552533c4600f"><div class="ttname"><a href="classarmnn_1_1_b_float16.xhtml#a2cb077e0d34d52b8c3a5552533c4600f">armnn::BFloat16::operator=</a></div><div class="ttdeci">BFloat16 & operator=(float v)</div><div class="ttdef"><b>Definition:</b> <a href="_b_float16_8hpp_source.xhtml#l00041">BFloat16.hpp:41</a></div></div> |
| 107 | <div class="ttc" id="classarmnn_1_1_b_float16_xhtml_a62b171b39ea69724817f5fe08169ca7d"><div class="ttname"><a href="classarmnn_1_1_b_float16.xhtml#a62b171b39ea69724817f5fe08169ca7d">armnn::BFloat16::Max</a></div><div class="ttdeci">static BFloat16 Max()</div><div class="ttdef"><b>Definition:</b> <a href="_b_float16_8hpp_source.xhtml#l00099">BFloat16.hpp:99</a></div></div> |
| 108 | <div class="ttc" id="namespacearmnn_xhtml"><div class="ttname"><a href="namespacearmnn.xhtml">armnn</a></div><div class="ttdoc">Copyright (c) 2020 ARM Limited. </div><div class="ttdef"><b>Definition:</b> <a href="00__introduction_8dox_source.xhtml#l00025">00_introduction.dox:25</a></div></div> |
| 109 | <div class="ttc" id="namespacearmnn_xhtml_a4dc0adc6737b5944e7671bee71788407acb5e100e5a9a3e7f6d1fd97512215282"><div class="ttname"><a href="namespacearmnn.xhtml#a4dc0adc6737b5944e7671bee71788407acb5e100e5a9a3e7f6d1fd97512215282">armnn::BoostLogSeverityMapping::error</a></div></div> |
| 110 | <div class="ttc" id="classarmnn_1_1_b_float16_xhtml_ae5b250d59f169e00a39ad3ec787db22a"><div class="ttname"><a href="classarmnn_1_1_b_float16.xhtml#ae5b250d59f169e00a39ad3ec787db22a">armnn::BFloat16::Inf</a></div><div class="ttdeci">static BFloat16 Inf()</div><div class="ttdef"><b>Definition:</b> <a href="_b_float16_8hpp_source.xhtml#l00111">BFloat16.hpp:111</a></div></div> |
| 111 | <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#l00094">BFloat16.hpp:94</a></div></div> |
| 112 | <div class="ttc" id="classarmnn_1_1_b_float16_xhtml_a3ff08d61c8f7403c9f790e2b96d91a9d"><div class="ttname"><a href="classarmnn_1_1_b_float16.xhtml#a3ff08d61c8f7403c9f790e2b96d91a9d">armnn::BFloat16::Float32ToBFloat16</a></div><div class="ttdeci">static BFloat16 Float32ToBFloat16(const float v)</div><div class="ttdef"><b>Definition:</b> <a href="_b_float16_8hpp_source.xhtml#l00052">BFloat16.hpp:52</a></div></div> |
| 113 | <div class="ttc" id="classarmnn_1_1_b_float16_xhtml_a8f4fc25560afea5a7a45cdbf20fc30ca"><div class="ttname"><a href="classarmnn_1_1_b_float16.xhtml#a8f4fc25560afea5a7a45cdbf20fc30ca">armnn::BFloat16::BFloat16</a></div><div class="ttdeci">BFloat16()</div><div class="ttdef"><b>Definition:</b> <a href="_b_float16_8hpp_source.xhtml#l00017">BFloat16.hpp:17</a></div></div> |
| 114 | <div class="ttc" id="classarmnn_1_1_b_float16_xhtml_aecfc3fae6930caee98c9fc8b973068a8"><div class="ttname"><a href="classarmnn_1_1_b_float16.xhtml#aecfc3fae6930caee98c9fc8b973068a8">armnn::BFloat16::operator==</a></div><div class="ttdeci">bool operator==(const BFloat16 &r) const</div><div class="ttdef"><b>Definition:</b> <a href="_b_float16_8hpp_source.xhtml#l00047">BFloat16.hpp:47</a></div></div> |
| 115 | <div class="ttc" id="classarmnn_1_1_b_float16_xhtml_ae80b11dd8875fbf6e76cb054764ca6fb"><div class="ttname"><a href="classarmnn_1_1_b_float16.xhtml#ae80b11dd8875fbf6e76cb054764ca6fb">armnn::BFloat16::Nan</a></div><div class="ttdeci">static BFloat16 Nan()</div><div class="ttdef"><b>Definition:</b> <a href="_b_float16_8hpp_source.xhtml#l00105">BFloat16.hpp:105</a></div></div> |
| 116 | <div class="ttc" id="classarmnn_1_1_b_float16_xhtml_a58f28952f1e43061905be5f1789cccfe"><div class="ttname"><a href="classarmnn_1_1_b_float16.xhtml#a58f28952f1e43061905be5f1789cccfe">armnn::BFloat16::BFloat16</a></div><div class="ttdeci">BFloat16(uint16_t v)</div><div class="ttdef"><b>Definition:</b> <a href="_b_float16_8hpp_source.xhtml#l00021">BFloat16.hpp:21</a></div></div> |
| 117 | </div><!-- fragment --></div><!-- contents --> |
| 118 | </div><!-- doc-content --> |
| 119 | <!-- start footer part --> |
| 120 | <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> |
| 121 | <ul> |
| 122 | <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.xhtml">src</a></li><li class="navelem"><a class="el" href="dir_5d9c764a006d252ff232a5efbbd99a46.xhtml">armnnUtils</a></li><li class="navelem"><a class="el" href="_b_float16_8hpp.xhtml">BFloat16.hpp</a></li> |
| 123 | <li class="footer">Generated on Fri Mar 13 2020 16:09:10 for ArmNN by |
| 124 | <a href="http://www.doxygen.org/index.html"> |
| 125 | <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13 </li> |
| 126 | </ul> |
| 127 | </div> |
| 128 | </body> |
| 129 | </html> |