arm_compute v18.11
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<title>Compute Library: arm_compute/core/utils/misc/Utility.h Source File</title>
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-  <span id="projectnumber">18.08</span>
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<div class="title">Utility.h</div> </div>
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<div class="contents">
-<a href="_utility_8h.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 (c) 2017-2018 ARM Limited.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * of this software and associated documentation files (the "Software"), to</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * deal in the Software without restriction, including without limitation the</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * sell copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifndef __ARM_COMPUTE_MISC_UTILITY_H__</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#define __ARM_COMPUTE_MISC_UTILITY_H__</span></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> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <array></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <limits></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <numeric></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span><a class="code" href="namespacearm__compute.xhtml">arm_compute</a></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="namespacearm__compute_1_1utility.xhtml"> 35</a></span> <span class="keyword">namespace </span>utility</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">template</span> <std::size_t...></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">struct </span>index_sequence</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> };</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="keyword">template</span> <std::size_t N, std::size_t... S></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">struct </span>index_sequence_generator : index_sequence_generator < N - 1, N - 1, S... ></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"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">template</span> <std::size_t... S></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">struct </span>index_sequence_generator<0u, S...> : index_sequence<S...></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>  <span class="keyword">using</span> type = index_sequence<S...>;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> };</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">template</span> <std::<span class="keywordtype">size_t</span> N></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">using</span> index_sequence_t = <span class="keyword">typename</span> index_sequence_generator<N>::type;</div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility_1_1detail.xhtml"> 58</a></span> <span class="keyword">namespace </span>detail</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="keyword">template</span> <std::size_t... S,</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">typename</span> <a class="code" href="classarm__compute_1_1_iterator.xhtml">Iterator</a>,</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">typename</span> T = std::array<typename std::iterator_traits<Iterator>::value_type, <span class="keyword">sizeof</span>...(S)>></div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility_1_1detail.xhtml#aae92fd77ef96d27bc5b5a10258da66cc"> 63</a></span> T <a class="code" href="namespacearm__compute_1_1utility.xhtml#ab7c665e19081aef1a68ec0090b4c7be6">make_array</a>(Iterator first, index_sequence<S...>)</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> {</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> T{ { first[S]... } };</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="comment">// namespace detail</span></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> <span class="keyword">template</span> <std::<span class="keywordtype">size_t</span> N, <span class="keyword">typename</span> Iterator></div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#ab7c665e19081aef1a68ec0090b4c7be6"> 70</a></span> std::array<typename std::iterator_traits<Iterator>::value_type, N> <a class="code" href="namespacearm__compute_1_1utility.xhtml#ab7c665e19081aef1a68ec0090b4c7be6">make_array</a>(Iterator first, Iterator last)</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="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1utility_1_1detail.xhtml#aae92fd77ef96d27bc5b5a10258da66cc">detail::make_array</a>(first, index_sequence_t<N> {});</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> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7"> 84</a></span> <span class="keyword">inline</span> T <a class="code" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">clamp</a>(<span class="keyword">const</span> T &n, <span class="keyword">const</span> T &lower, <span class="keyword">const</span> T &upper)</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>  <span class="keywordflow">return</span> std::max(lower, std::min(n, upper));</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> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a067ebd28103d827b6ec17032e2344064"> 91</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a067ebd28103d827b6ec17032e2344064">for_each</a>(F &&)</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"> 94</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F, <span class="keyword">typename</span> T, <span class="keyword">typename</span>... Ts></div><div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a9abd222389b46fd918cd07673c1d836d"> 102</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a067ebd28103d827b6ec17032e2344064">for_each</a>(F &&func, T &&arg, Ts &&... args)</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>  func(std::forward<T>(arg));</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="namespacearm__compute_1_1utility.xhtml#a067ebd28103d827b6ec17032e2344064">for_each</a>(std::forward<F>(func), std::forward<Ts>(args)...);</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="l00112"></a><span class="lineno"> 112</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F, <span class="keyword">typename</span> T></div><div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a043270c1f50c73bf9f91fcc4570ccf0c"> 113</a></span> <span class="keyword">inline</span> T &&<a class="code" href="namespacearm__compute_1_1utility.xhtml#a043270c1f50c73bf9f91fcc4570ccf0c">foldl</a>(F &&, T &&value)</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> {</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> std::forward<T>(value);</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="l00125"></a><span class="lineno"> 125</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F, <span class="keyword">typename</span> T, <span class="keyword">typename</span> <a class="code" href="namespacearm__compute.xhtml#a1ce9b523fd4f3b5bbcadcd796183455aa4c614360da93c0a041b22e537de151eb">U</a>, <span class="keyword">typename</span>... Us></div><div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#af9092f01a5deb8985e310f346ea81774"> 126</a></span> <span class="keyword">inline</span> <span class="keyword">auto</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a043270c1f50c73bf9f91fcc4570ccf0c">foldl</a>(F &&func, T &&initial, U &&value, Us &&... values) -> decltype(func(std::forward<T>(initial), std::forward<U>(value)))</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="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a043270c1f50c73bf9f91fcc4570ccf0c">foldl</a>(std::forward<F>(func), func(std::forward<T>(initial), std::forward<U>(value)), std::forward<Us>(values)...);</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> }</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> U></div><div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a26bf8243169fc3fd2299024c25b0aa0d"> 140</a></span> T <a class="code" href="namespacearm__compute_1_1utility.xhtml#a26bf8243169fc3fd2299024c25b0aa0d">saturate_cast</a>(U val)</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>  <span class="keyword">const</span> <span class="keyword">auto</span> low = <span class="keyword">static_cast<</span>U<span class="keyword">></span>(<a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a73e352c61baaf9c1178da2d30105b04e">std::numeric_limits<T>::lowest</a>());</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">const</span> <span class="keyword">auto</span> high = <span class="keyword">static_cast<</span>U<span class="keyword">></span>(std::numeric_limits<T>::max());</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>T<span class="keyword">></span>(<a class="code" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">clamp</a>(val, low, high));</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> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a0c1a72cd100958036bb59f0625f0613f"> 154</a></span> std::vector<size_t> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a0c1a72cd100958036bb59f0625f0613f">sort_indices</a>(<span class="keyword">const</span> std::vector<T> &v)</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>  std::vector<size_t> idx(v.size());</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  std::iota(idx.begin(), idx.end(), 0);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  std::sort(idx.begin(), idx.end(),</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  [&v](<span class="keywordtype">size_t</span> i1, <span class="keywordtype">size_t</span> i2)</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  {</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">return</span> v[i1] < v[i2];</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  });</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> idx;</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> </div><div class="line"><a name="l00175"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#af8cd4923f17276faa2f7a1a60e7acb17"> 175</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#af8cd4923f17276faa2f7a1a60e7acb17">endswith</a>(<span class="keyword">const</span> std::string &str, <span class="keyword">const</span> std::string &suffix)</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>  <span class="keywordflow">if</span>(str.size() < suffix.size())</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  {</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">return</span> std::equal(suffix.rbegin(), suffix.rend(), str.rbegin());</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> }</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a9eed476cf46a22a3ce6ebd8ba22e8945"> 191</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a9eed476cf46a22a3ce6ebd8ba22e8945">check_aligned</a>(<span class="keywordtype">void</span> *ptr, <span class="keyword">const</span> <span class="keywordtype">size_t</span> alignment)</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> {</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">return</span> (reinterpret_cast<std::uintptr_t>(ptr) % alignment) == 0;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> }</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div><div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#abb96ad5c7071ec3a47ea5f07e817a636"> 202</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacearm__compute_1_1utility.xhtml#abb96ad5c7071ec3a47ea5f07e817a636">tolower</a>(std::string <span class="keywordtype">string</span>)</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> {</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  std::transform(<span class="keywordtype">string</span>.begin(), <span class="keywordtype">string</span>.end(), <span class="keywordtype">string</span>.begin(), [](<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a497347573faa3778743ddf277f861094">c</a>)</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  {</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#abb96ad5c7071ec3a47ea5f07e817a636">std::tolower</a>(c);</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="keywordflow">return</span> string;</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> }</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> } <span class="comment">// namespace utility</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> } <span class="comment">// namespace arm_compute</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor">#endif </span><span class="comment">/* __ARM_COMPUTE_MISC_UTILITY_H__ */</span><span class="preprocessor"></span></div><div class="ttc" id="namespacearm__compute_1_1utility_xhtml_a12c3c62f510452805c289e180ec78bb7"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">arm_compute::utility::clamp</a></div><div class="ttdeci">T clamp(const T &n, const T &lower, const T &upper)</div><div class="ttdoc">Performs clamping among a lower and upper value. </div><div class="ttdef"><b>Definition:</b> <a href="_utility_8h_source.xhtml#l00084">Utility.h:84</a></div></div>
+<a href="_utility_8h.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 (c) 2017-2018 ARM Limited.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * of this software and associated documentation files (the "Software"), to</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * deal in the Software without restriction, including without limitation the</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * sell copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifndef __ARM_COMPUTE_MISC_UTILITY_H__</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#define __ARM_COMPUTE_MISC_UTILITY_H__</span></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> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <array></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <limits></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <numeric></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span><a class="code" href="namespacearm__compute.xhtml">arm_compute</a></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="namespacearm__compute_1_1utility.xhtml"> 35</a></span> <span class="keyword">namespace </span>utility</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">template</span> <std::size_t...></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">struct </span>index_sequence</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> };</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="keyword">template</span> <std::size_t N, std::size_t... S></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">struct </span>index_sequence_generator : index_sequence_generator < N - 1, N - 1, S... ></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"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">template</span> <std::size_t... S></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">struct </span>index_sequence_generator<0u, S...> : index_sequence<S...></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>  <span class="keyword">using</span> type = index_sequence<S...>;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> };</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">template</span> <std::<span class="keywordtype">size_t</span> N></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">using</span> index_sequence_t = <span class="keyword">typename</span> index_sequence_generator<N>::type;</div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility_1_1detail.xhtml"> 58</a></span> <span class="keyword">namespace </span>detail</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="keyword">template</span> <std::size_t... S,</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">typename</span> <a class="code" href="classarm__compute_1_1_iterator.xhtml">Iterator</a>,</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">typename</span> T = std::array<typename std::iterator_traits<Iterator>::value_type, <span class="keyword">sizeof</span>...(S)>></div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility_1_1detail.xhtml#aae92fd77ef96d27bc5b5a10258da66cc"> 63</a></span> T <a class="code" href="namespacearm__compute_1_1utility.xhtml#ab7c665e19081aef1a68ec0090b4c7be6">make_array</a>(Iterator first, index_sequence<S...>)</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> {</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> T{ { first[S]... } };</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="comment">// namespace detail</span></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> <span class="keyword">template</span> <std::<span class="keywordtype">size_t</span> N, <span class="keyword">typename</span> Iterator></div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#ab7c665e19081aef1a68ec0090b4c7be6"> 70</a></span> std::array<typename std::iterator_traits<Iterator>::value_type, N> <a class="code" href="namespacearm__compute_1_1utility.xhtml#ab7c665e19081aef1a68ec0090b4c7be6">make_array</a>(Iterator first, Iterator last)</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="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1utility_1_1detail.xhtml#aae92fd77ef96d27bc5b5a10258da66cc">detail::make_array</a>(first, index_sequence_t<N> {});</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> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7"> 84</a></span> <span class="keyword">inline</span> T <a class="code" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">clamp</a>(<span class="keyword">const</span> T &n, <span class="keyword">const</span> T &lower, <span class="keyword">const</span> T &upper)</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>  <span class="keywordflow">return</span> std::max(lower, std::min(n, upper));</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> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a067ebd28103d827b6ec17032e2344064"> 91</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a067ebd28103d827b6ec17032e2344064">for_each</a>(F &&)</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"> 94</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F, <span class="keyword">typename</span> T, <span class="keyword">typename</span>... Ts></div><div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a1e384f81bb641de61df2800a432c51fe"> 102</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a067ebd28103d827b6ec17032e2344064">for_each</a>(F &&func, T &&arg, Ts &&... args)</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>  func(std::forward<T>(arg));</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="namespacearm__compute_1_1utility.xhtml#a067ebd28103d827b6ec17032e2344064">for_each</a>(std::forward<F>(func), std::forward<Ts>(args)...);</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="l00112"></a><span class="lineno"> 112</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F, <span class="keyword">typename</span> T></div><div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a043270c1f50c73bf9f91fcc4570ccf0c"> 113</a></span> <span class="keyword">inline</span> T &&<a class="code" href="namespacearm__compute_1_1utility.xhtml#a043270c1f50c73bf9f91fcc4570ccf0c">foldl</a>(F &&, T &&value)</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> {</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> std::forward<T>(value);</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="l00125"></a><span class="lineno"> 125</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F, <span class="keyword">typename</span> T, <span class="keyword">typename</span> <a class="code" href="namespacearm__compute.xhtml#a1ce9b523fd4f3b5bbcadcd796183455aa4c614360da93c0a041b22e537de151eb">U</a>, <span class="keyword">typename</span>... Us></div><div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a9a9639bdb9769d758f0a582ba27c4e63"> 126</a></span> <span class="keyword">inline</span> <span class="keyword">auto</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a043270c1f50c73bf9f91fcc4570ccf0c">foldl</a>(F &&func, T &&initial, U &&value, Us &&... values) -> decltype(func(std::forward<T>(initial), std::forward<U>(value)))</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="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a043270c1f50c73bf9f91fcc4570ccf0c">foldl</a>(std::forward<F>(func), func(std::forward<T>(initial), std::forward<U>(value)), std::forward<Us>(values)...);</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> }</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> U></div><div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a26bf8243169fc3fd2299024c25b0aa0d"> 140</a></span> T <a class="code" href="namespacearm__compute_1_1utility.xhtml#a26bf8243169fc3fd2299024c25b0aa0d">saturate_cast</a>(U val)</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>  <span class="keyword">const</span> <span class="keyword">auto</span> low = <span class="keyword">static_cast<</span>U<span class="keyword">></span>(<a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a73e352c61baaf9c1178da2d30105b04e">std::numeric_limits<T>::lowest</a>());</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">const</span> <span class="keyword">auto</span> high = <span class="keyword">static_cast<</span>U<span class="keyword">></span>(std::numeric_limits<T>::max());</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>T<span class="keyword">></span>(<a class="code" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">clamp</a>(val, low, high));</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> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a0c1a72cd100958036bb59f0625f0613f"> 154</a></span> std::vector<size_t> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a0c1a72cd100958036bb59f0625f0613f">sort_indices</a>(<span class="keyword">const</span> std::vector<T> &v)</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>  std::vector<size_t> idx(v.size());</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  std::iota(idx.begin(), idx.end(), 0);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  std::sort(idx.begin(), idx.end(),</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  [&v](<span class="keywordtype">size_t</span> i1, <span class="keywordtype">size_t</span> i2)</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  {</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">return</span> v[i1] < v[i2];</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  });</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> idx;</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> </div><div class="line"><a name="l00175"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#af8cd4923f17276faa2f7a1a60e7acb17"> 175</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#af8cd4923f17276faa2f7a1a60e7acb17">endswith</a>(<span class="keyword">const</span> std::string &str, <span class="keyword">const</span> std::string &suffix)</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>  <span class="keywordflow">if</span>(str.size() < suffix.size())</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  {</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">return</span> std::equal(suffix.rbegin(), suffix.rend(), str.rbegin());</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> }</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a9eed476cf46a22a3ce6ebd8ba22e8945"> 191</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a9eed476cf46a22a3ce6ebd8ba22e8945">check_aligned</a>(<span class="keywordtype">void</span> *ptr, <span class="keyword">const</span> <span class="keywordtype">size_t</span> alignment)</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> {</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">return</span> (reinterpret_cast<std::uintptr_t>(ptr) % alignment) == 0;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> }</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div><div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#abb96ad5c7071ec3a47ea5f07e817a636"> 202</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacearm__compute_1_1utility.xhtml#abb96ad5c7071ec3a47ea5f07e817a636">tolower</a>(std::string <span class="keywordtype">string</span>)</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> {</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  std::transform(<span class="keywordtype">string</span>.begin(), <span class="keywordtype">string</span>.end(), <span class="keywordtype">string</span>.begin(), [](<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a497347573faa3778743ddf277f861094">c</a>)</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  {</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#abb96ad5c7071ec3a47ea5f07e817a636">std::tolower</a>(c);</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="keywordflow">return</span> string;</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> }</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> } <span class="comment">// namespace utility</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> } <span class="comment">// namespace arm_compute</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor">#endif </span><span class="comment">/* __ARM_COMPUTE_MISC_UTILITY_H__ */</span><span class="preprocessor"></span></div><div class="ttc" id="namespacearm__compute_1_1utility_xhtml_a12c3c62f510452805c289e180ec78bb7"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">arm_compute::utility::clamp</a></div><div class="ttdeci">T clamp(const T &n, const T &lower, const T &upper)</div><div class="ttdoc">Performs clamping among a lower and upper value. </div><div class="ttdef"><b>Definition:</b> <a href="_utility_8h_source.xhtml#l00084">Utility.h:84</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1utility_xhtml_a26bf8243169fc3fd2299024c25b0aa0d"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#a26bf8243169fc3fd2299024c25b0aa0d">arm_compute::utility::saturate_cast</a></div><div class="ttdeci">T saturate_cast(U val)</div><div class="ttdoc">Type cast with saturation. </div><div class="ttdef"><b>Definition:</b> <a href="_utility_8h_source.xhtml#l00140">Utility.h:140</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_a73e352c61baaf9c1178da2d30105b04e"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a73e352c61baaf9c1178da2d30105b04e">arm_compute::support::cpp11::lowest</a></div><div class="ttdeci">T lowest()</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00320">ToolchainSupport.h:320</a></div></div>
-<div class="ttc" id="namespacearm__compute_xhtml"><div class="ttname"><a href="namespacearm__compute.xhtml">arm_compute</a></div><div class="ttdoc">This file contains all available output stages for GEMMLowp on OpenCL. </div><div class="ttdef"><b>Definition:</b> <a href="00__introduction_8dox_source.xhtml#l00001">00_introduction.dox:1</a></div></div>
+<div class="ttc" id="namespacearm__compute_xhtml"><div class="ttname"><a href="namespacearm__compute.xhtml">arm_compute</a></div><div class="ttdoc">Copyright (c) 2017-2018 ARM Limited. </div><div class="ttdef"><b>Definition:</b> <a href="00__introduction_8dox_source.xhtml#l00024">00_introduction.dox:24</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1utility_xhtml_af8cd4923f17276faa2f7a1a60e7acb17"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#af8cd4923f17276faa2f7a1a60e7acb17">arm_compute::utility::endswith</a></div><div class="ttdeci">bool endswith(const std::string &str, const std::string &suffix)</div><div class="ttdoc">Checks if a string contains a given suffix. </div><div class="ttdef"><b>Definition:</b> <a href="_utility_8h_source.xhtml#l00175">Utility.h:175</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1utility_xhtml_abb96ad5c7071ec3a47ea5f07e817a636"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#abb96ad5c7071ec3a47ea5f07e817a636">arm_compute::utility::tolower</a></div><div class="ttdeci">std::string tolower(std::string string)</div><div class="ttdoc">Convert string to lower case. </div><div class="ttdef"><b>Definition:</b> <a href="_utility_8h_source.xhtml#l00202">Utility.h:202</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1utility_xhtml_a043270c1f50c73bf9f91fcc4570ccf0c"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#a043270c1f50c73bf9f91fcc4570ccf0c">arm_compute::utility::foldl</a></div><div class="ttdeci">T && foldl(F &&, T &&value)</div><div class="ttdoc">Base case of foldl. </div><div class="ttdef"><b>Definition:</b> <a href="_utility_8h_source.xhtml#l00113">Utility.h:113</a></div></div>
@@ -138,9 +112,9 @@
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<li class="navelem"><a class="el" href="dir_214608ef36d61442cb2b0c1c4e9a7def.xhtml">arm_compute</a></li><li class="navelem"><a class="el" href="dir_1fb090f0c6070330bfaccc4236d3ca0d.xhtml">core</a></li><li class="navelem"><a class="el" href="dir_7b0825b7536eda12b63e5d87347b1c7d.xhtml">utils</a></li><li class="navelem"><a class="el" href="dir_cab437ca4f6ec1fbc573ae83f91b2654.xhtml">misc</a></li><li class="navelem"><a class="el" href="_utility_8h.xhtml">Utility.h</a></li>
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+ <li class="footer">Generated on Thu Nov 22 2018 11:57:37 for Compute Library by
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- <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
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