1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
<!-- Copyright (c) 2020 ARM Limited. -->
<!-- -->
<!-- SPDX-License-Identifier: MIT -->
<!-- -->
<!-- HTML header for doxygen 1.8.13-->
<!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 1.8.13"/>
<meta name="robots" content="NOINDEX, NOFOLLOW" />
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>ArmNN: include/armnn/utility/NumericCast.hpp 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="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
</script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/x-mathjax-config">
MathJax.Hub.Config({
extensions: ["tex2jax.js"],
jax: ["input/TeX","output/HTML-CSS"],
});
</script><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="stylesheet.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<img alt="ArmNN" src="Arm_NN_horizontal_blue.png" style="max-width: 10rem; margin-top: .5rem; margin-left 10px"/>
<td style="padding-left: 0.5em;">
<div id="projectname">
 <span id="projectnumber">21.02</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.13 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('_numeric_cast_8hpp_source.xhtml','');});
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div class="header">
<div class="headertitle">
<div class="title">NumericCast.hpp</div> </div>
</div><!--header-->
<div class="contents">
<a href="_numeric_cast_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 and Contributors. 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 "<a class="code" href="_assert_8hpp.xhtml">Assert.hpp</a>"</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <limits></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">namespace </span><a class="code" href="namespacearmnn.xhtml">armnn</a></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> <span class="preprocessor">#if !defined(NDEBUG) || defined(ARMNN_NUMERIC_CAST_TESTABLE)</span></div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="_numeric_cast_8hpp.xhtml#a7465b0f72d0d82419828133449a89587"> 17</a></span> <span class="preprocessor">#define ENABLE_NUMERIC_CAST_CHECKS 1</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#define ENABLE_NUMERIC_CAST_CHECKS 0</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#if defined(ARMNN_NUMERIC_CAST_TESTABLE)</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"># define ARMNN_NUMERIC_CAST_CHECK(cond, msg) ConditionalThrow<std::bad_cast>(cond)</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750"> 25</a></span> <span class="preprocessor">#define ARMNN_NUMERIC_CAST_CHECK(cond, msg) ARMNN_ASSERT_MSG(cond, msg)</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#endif</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> <span class="comment">// Unsigned to Unsigned</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"> 30</span> <span class="keyword">template</span><<span class="keyword">typename</span> Dest, <span class="keyword">typename</span> Source></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">typename</span> std::enable_if_t<</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  std::is_unsigned<Source>::value &&</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  std::is_unsigned<Dest>::value,</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  Dest></div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="namespacearmnn.xhtml#a375ca3cff9f1b005d1412dc5f3cf5b6e"> 35</a></span> <a class="code" href="namespacearmnn.xhtml#a375ca3cff9f1b005d1412dc5f3cf5b6e">numeric_cast</a>(Source source)</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="preprocessor">#if ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">if</span> (source > std::numeric_limits<Dest>::max())</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>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting unsigned type to "</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="stringliteral">"narrower unsigned type. Overflow detected."</span>);</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> <span class="preprocessor">#endif // ENABLE_NUMERIC_CAST_CHECKS</span></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>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Dest<span class="keyword">></span>(source);</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> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// Signed to Signed</span></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="comment">// numeric cast from signed integral to signed integral types, checked for narrowing overflows</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">template</span><<span class="keyword">typename</span> Dest, <span class="keyword">typename</span> Source></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">typename</span> std::enable_if_t<</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  std::is_signed<Source>::value &&</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  std::is_integral<Source>::value &&</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  std::is_signed<Dest>::value &&</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  std::is_integral<Dest>::value,</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  Dest></div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="namespacearmnn.xhtml#a40a708e0ade241da31597eefab4ad8a9"> 58</a></span> <a class="code" href="namespacearmnn.xhtml#a375ca3cff9f1b005d1412dc5f3cf5b6e">numeric_cast</a>(Source source)</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="preprocessor">#if ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span> (source > std::numeric_limits<Dest>::max())</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>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting signed integral type to narrower signed type. "</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="stringliteral">"Overflow detected."</span>);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</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>  <span class="keywordflow">if</span> (source < std::numeric_limits<Dest>::lowest())</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting signed integral type to narrower signed type. "</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="stringliteral">"Underflow detected."</span>);</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> <span class="preprocessor">#endif // ENABLE_NUMERIC_CAST_CHECKS</span></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>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Dest<span class="keyword">></span>(source);</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="comment">// numeric cast from floating point to floating point types, checked for narrowing overflows</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">template</span><<span class="keyword">typename</span> Dest, <span class="keyword">typename</span> Source></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">typename</span> std::enable_if_t<</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  std::is_floating_point<Source>::value &&</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  std::is_floating_point<Dest>::value,</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  Dest></div><div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="namespacearmnn.xhtml#aec2a3221ba307e3f9f8d6b8cc69774fa"> 83</a></span> <a class="code" href="namespacearmnn.xhtml#a375ca3cff9f1b005d1412dc5f3cf5b6e">numeric_cast</a>(Source source)</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> <span class="preprocessor">#if ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span> (source > std::numeric_limits<Dest>::max())</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  {</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting floating point type to narrower signed type. "</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="stringliteral">"Overflow detected."</span>);</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> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">if</span> (source < std::numeric_limits<Dest>::lowest())</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting floating point type to narrower signed type. "</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="stringliteral">"Underflow detected."</span>);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor">#endif // ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Dest<span class="keyword">></span>(source);</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> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">// numeric cast from floating point types (signed) to signed integral types, checked for narrowing overflows</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">template</span><<span class="keyword">typename</span> Dest, <span class="keyword">typename</span> Source></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">typename</span> std::enable_if_t<</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  std::is_floating_point<Source>::value &&</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  std::is_signed<Dest>::value &&</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  std::is_integral<Dest>::value,</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  Dest></div><div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="namespacearmnn.xhtml#a320f9416a8c5eda0210f1d0ec71dbe53"> 109</a></span> <a class="code" href="namespacearmnn.xhtml#a375ca3cff9f1b005d1412dc5f3cf5b6e">numeric_cast</a>(Source source)</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> <span class="preprocessor">#if ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span> (source > static_cast<Source>(std::numeric_limits<Dest>::max()))</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>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting floating point type to narrower signed type. "</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="stringliteral">"Overflow detected."</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> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (source < static_cast<Source>(std::numeric_limits<Dest>::lowest()))</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>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting floating point type to narrower signed type. "</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="stringliteral">"Underflow detected."</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 // ENABLE_NUMERIC_CAST_CHECKS</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>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Dest<span class="keyword">></span>(source);</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> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment">// numeric cast from signed integral types to floating point types (signed), checked for narrowing overflows</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">template</span><<span class="keyword">typename</span> Dest, <span class="keyword">typename</span> Source></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">typename</span> std::enable_if_t<</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  std::is_signed<Source>::value &&</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  std::is_integral<Source>::value &&</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  std::is_floating_point<Dest>::value,</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  Dest></div><div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="namespacearmnn.xhtml#a3afc74a78c7a7590fd1c35b0d5eb69db"> 135</a></span> <a class="code" href="namespacearmnn.xhtml#a375ca3cff9f1b005d1412dc5f3cf5b6e">numeric_cast</a>(Source source)</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> {</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#if ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  Dest sourceConverted = <span class="keyword">static_cast<</span>Dest<span class="keyword">></span>(source);</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> (sourceConverted > std::numeric_limits<Dest>::max())</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  {</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting signed type to narrower floating point type. "</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="stringliteral">"Overflow detected."</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> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> (sourceConverted < std::numeric_limits<Dest>::lowest())</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  {</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting signed type to narrower floating point type. "</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="stringliteral">"Underflow detected."</span>);</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="preprocessor">#endif // ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Dest<span class="keyword">></span>(source);</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> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment">// Unsigned to Signed</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment">// numeric cast from unsigned integral type to signed integral type, checked for narrowing overflows</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="keyword">template</span><<span class="keyword">typename</span> Dest, <span class="keyword">typename</span> Source></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">typename</span> std::enable_if_t<</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  std::is_signed<Dest>::value &&</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  std::is_integral<Dest>::value &&</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  std::is_unsigned<Source>::value,</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  Dest></div><div class="line"><a name="l00165"></a><span class="lineno"><a class="line" href="namespacearmnn.xhtml#aa4039ab8f10849c09d08485cf6f113de"> 165</a></span> <a class="code" href="namespacearmnn.xhtml#a375ca3cff9f1b005d1412dc5f3cf5b6e">numeric_cast</a>(Source sValue)</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> {</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="preprocessor">#if ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (sValue > <span class="keyword">static_cast<</span> typename std::make_unsigned<Dest>::type <span class="keyword">></span>(std::numeric_limits<Dest>::max()))</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  {</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting unsigned type to signed type. "</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="stringliteral">"Overflow detected."</span>);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="preprocessor">#endif // ENABLE_NUMERIC_CAST_CHECKS</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="keywordflow">return</span> <span class="keyword">static_cast<</span>Dest<span class="keyword">></span>(sValue);</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> }</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// numeric cast from unsigned integral type to floating point (signed), checked for narrowing overflows</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">template</span><<span class="keyword">typename</span> Dest, <span class="keyword">typename</span> Source></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="keyword">typename</span> std::enable_if_t<</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  std::is_floating_point<Dest>::value &&</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  std::is_unsigned<Source>::value,</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  Dest></div><div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="namespacearmnn.xhtml#aab0d3e691c3a26cc5c4aa5c6f12eaea0"> 184</a></span> <a class="code" href="namespacearmnn.xhtml#a375ca3cff9f1b005d1412dc5f3cf5b6e">numeric_cast</a>(Source sValue)</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> {</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#if ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">if</span> (static_cast<Dest>(sValue) > std::numeric_limits<Dest>::max())</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  {</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting unsigned type to floating point type. "</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="stringliteral">"Overflow detected."</span>);</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="preprocessor">#endif // ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Dest<span class="keyword">></span>(sValue);</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> }</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment">// Signed to Unsigned</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment">// numeric cast from signed integral types to unsigned integral type, checked for underflows and narrowing overflows</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">template</span><<span class="keyword">typename</span> Dest, <span class="keyword">typename</span> Source></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="keyword">typename</span> std::enable_if_t<</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  std::is_unsigned<Dest>::value &&</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  std::is_signed<Source>::value &&</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  std::is_integral<Source>::value,</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  Dest></div><div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="namespacearmnn.xhtml#a4348c6348d681f6d0c7cc6d229435396"> 206</a></span> <a class="code" href="namespacearmnn.xhtml#a375ca3cff9f1b005d1412dc5f3cf5b6e">numeric_cast</a>(Source sValue)</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> {</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor">#if ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">if</span> (sValue < 0)</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  {</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting negative value to unsigned type. "</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="stringliteral">"Underflow detected."</span>);</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  }</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">if</span> (<span class="keyword">static_cast<</span> typename std::make_unsigned<Source>::type <span class="keyword">></span>(sValue) > std::numeric_limits<Dest>::max())</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  {</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting signed type to unsigned type. "</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="stringliteral">"Overflow detected."</span>);</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor">#endif // ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Dest<span class="keyword">></span>(sValue);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> }</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment">// numeric cast from floating point (signed) to unsigned integral type, checked for underflows and narrowing overflows</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="keyword">template</span><<span class="keyword">typename</span> Dest, <span class="keyword">typename</span> Source></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="keyword">typename</span> std::enable_if_t<</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  std::is_unsigned<Dest>::value &&</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  std::is_floating_point<Source>::value,</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  Dest></div><div class="line"><a name="l00230"></a><span class="lineno"><a class="line" href="namespacearmnn.xhtml#a1b5cfb3269fecb1dda8d0aee3c8212e6"> 230</a></span> <a class="code" href="namespacearmnn.xhtml#a375ca3cff9f1b005d1412dc5f3cf5b6e">numeric_cast</a>(Source sValue)</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> {</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="preprocessor">#if ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (sValue < 0)</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  {</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting negative value to unsigned type. "</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="stringliteral">"Underflow detected."</span>);</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  }</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">if</span> (sValue > static_cast<Source>(std::numeric_limits<Dest>::max()))</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  {</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <a class="code" href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a>(<span class="keyword">false</span>, <span class="stringliteral">"numeric_cast failed casting floating point type to unsigned type. "</span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="stringliteral">"Overflow detected."</span>);</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="preprocessor">#endif // ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Dest<span class="keyword">></span>(sValue);</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> }</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="preprocessor">#undef ENABLE_NUMERIC_CAST_CHECKS</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> } <span class="comment">//namespace armnn</span></div><div class="ttc" id="namespacearmnn_xhtml"><div class="ttname"><a href="namespacearmnn.xhtml">armnn</a></div><div class="ttdoc">Copyright (c) 2021 ARM Limited and Contributors. </div><div class="ttdef"><b>Definition:</b> <a href="01__00__software__tools_8dox_source.xhtml#l00006">01_00_software_tools.dox:6</a></div></div>
<div class="ttc" id="_numeric_cast_8hpp_xhtml_a242e8e7e20f157c7301f4babcc120750"><div class="ttname"><a href="_numeric_cast_8hpp.xhtml#a242e8e7e20f157c7301f4babcc120750">ARMNN_NUMERIC_CAST_CHECK</a></div><div class="ttdeci">#define ARMNN_NUMERIC_CAST_CHECK(cond, msg)</div><div class="ttdef"><b>Definition:</b> <a href="_numeric_cast_8hpp_source.xhtml#l00025">NumericCast.hpp:25</a></div></div>
<div class="ttc" id="_assert_8hpp_xhtml"><div class="ttname"><a href="_assert_8hpp.xhtml">Assert.hpp</a></div></div>
<div class="ttc" id="namespacearmnn_xhtml_a375ca3cff9f1b005d1412dc5f3cf5b6e"><div class="ttname"><a href="namespacearmnn.xhtml#a375ca3cff9f1b005d1412dc5f3cf5b6e">armnn::numeric_cast</a></div><div class="ttdeci">std::enable_if_t< std::is_unsigned< Source >::value &&std::is_unsigned< Dest >::value, Dest > numeric_cast(Source source)</div><div class="ttdef"><b>Definition:</b> <a href="_numeric_cast_8hpp_source.xhtml#l00035">NumericCast.hpp:35</a></div></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_d44c64559bbebec7f509842c48db8b23.xhtml">include</a></li><li class="navelem"><a class="el" href="dir_2b72cc348e06937955e62ebdd8a13436.xhtml">armnn</a></li><li class="navelem"><a class="el" href="dir_a8fc954923c193e6d993e59ec24545df.xhtml">utility</a></li><li class="navelem"><a class="el" href="_numeric_cast_8hpp.xhtml">NumericCast.hpp</a></li>
<li class="footer">Generated on Fri Mar 19 2021 15:25:36 for ArmNN by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13 </li>
</ul>
</div>
</body>
</html>
|
