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<div class="title">Utility.h</div> </div>
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<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>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Copyright (c) 2017-2018 ARM Limited.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<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>&#160;<span class="comment"> * of this software and associated documentation files (the &quot;Software&quot;), to</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<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>&#160;<span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment"> * SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#ifndef __ARM_COMPUTE_MISC_UTILITY_H__</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#define __ARM_COMPUTE_MISC_UTILITY_H__</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &lt;array&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &lt;limits&gt;</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &lt;numeric&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<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>&#160;{</div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml"> 35</a></span>&#160;<span class="keyword">namespace </span>utility</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;{</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="keyword">template</span> &lt;std::size_t...&gt;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="keyword">struct </span>index_sequence</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;{</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;};</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">template</span> &lt;std::size_t N, std::size_t... S&gt;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="keyword">struct </span>index_sequence_generator : index_sequence_generator &lt; N - 1, N - 1, S... &gt;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;{</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;};</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="keyword">template</span> &lt;std::size_t... S&gt;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="keyword">struct </span>index_sequence_generator&lt;0u, S...&gt; : index_sequence&lt;S...&gt;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;{</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">using</span> type = index_sequence&lt;S...&gt;;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;};</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="keyword">template</span> &lt;std::<span class="keywordtype">size_t</span> N&gt;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="keyword">using</span> index_sequence_t = <span class="keyword">typename</span> index_sequence_generator&lt;N&gt;::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>&#160;<span class="keyword">namespace </span>detail</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;{</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="keyword">template</span> &lt;std::size_t... S,</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <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>&#160; <span class="keyword">typename</span> T = std::array&lt;typename std::iterator_traits&lt;Iterator&gt;::value_type, <span class="keyword">sizeof</span>...(S)&gt;&gt;</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>&#160;T <a class="code" href="namespacearm__compute_1_1utility_1_1detail.xhtml#aae92fd77ef96d27bc5b5a10258da66cc">make_array</a>(<a class="code" href="classarm__compute_1_1_iterator.xhtml">Iterator</a> first, index_sequence&lt;S...&gt;)</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;{</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordflow">return</span> T{ { first[S]... } };</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;}</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;} <span class="comment">// namespace detail</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="keyword">template</span> &lt;std::<span class="keywordtype">size_t</span> N, <span class="keyword">typename</span> Iterator&gt;</div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#ab7c665e19081aef1a68ec0090b4c7be6"> 70</a></span>&#160;std::array&lt;typename std::iterator_traits&lt;Iterator&gt;::value_type, N&gt; <a class="code" href="namespacearm__compute_1_1utility.xhtml#ab7c665e19081aef1a68ec0090b4c7be6">make_array</a>(<a class="code" href="classarm__compute_1_1_iterator.xhtml">Iterator</a> first, <a class="code" href="classarm__compute_1_1_iterator.xhtml">Iterator</a> last)</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;{</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <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&lt;N&gt; {});</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;}</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType, <span class="keyword">typename</span> RangeType = DataType&gt;</div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a96efecf997f13a914609ddf1eb67f624"> 84</a></span>&#160;<span class="keyword">inline</span> <a class="code" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6">DataType</a> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a96efecf997f13a914609ddf1eb67f624">clamp</a>(<span class="keyword">const</span> <a class="code" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6">DataType</a> &amp;n,</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6">DataType</a> &amp;lower = <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a73e352c61baaf9c1178da2d30105b04e">std::numeric_limits&lt;RangeType&gt;::lowest</a>(),</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6">DataType</a> &amp;upper = std::numeric_limits&lt;RangeType&gt;::max())</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;{</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keywordflow">return</span> std::max(lower, std::min(n, upper));</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;}</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> F&gt;</div><div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a067ebd28103d827b6ec17032e2344064"> 93</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a067ebd28103d827b6ec17032e2344064">for_each</a>(F &amp;&amp;)</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;{</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;}</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> F, <span class="keyword">typename</span> T, <span class="keyword">typename</span>... Ts&gt;</div><div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a1e384f81bb641de61df2800a432c51fe"> 104</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a067ebd28103d827b6ec17032e2344064">for_each</a>(F &amp;&amp;func, T &amp;&amp;arg, Ts &amp;&amp;... args)</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;{</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; func(std::forward&lt;T&gt;(arg));</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <a class="code" href="namespacearm__compute_1_1utility.xhtml#a067ebd28103d827b6ec17032e2344064">for_each</a>(std::forward&lt;F&gt;(func), std::forward&lt;Ts&gt;(args)...);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;}</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> F, <span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a043270c1f50c73bf9f91fcc4570ccf0c"> 115</a></span>&#160;<span class="keyword">inline</span> T &amp;&amp;<a class="code" href="namespacearm__compute_1_1utility.xhtml#a043270c1f50c73bf9f91fcc4570ccf0c">foldl</a>(F &amp;&amp;, T &amp;&amp;value)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;{</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keywordflow">return</span> std::forward&lt;T&gt;(value);</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;}</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> F, <span class="keyword">typename</span> T, <span class="keyword">typename</span> U, <span class="keyword">typename</span>... Us&gt;</div><div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a9a9639bdb9769d758f0a582ba27c4e63"> 128</a></span>&#160;<span class="keyword">inline</span> <span class="keyword">auto</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a043270c1f50c73bf9f91fcc4570ccf0c">foldl</a>(F &amp;&amp;func, T &amp;&amp;initial, U &amp;&amp;value, Us &amp;&amp;... values) -&gt; decltype(func(std::forward&lt;T&gt;(initial), std::forward&lt;U&gt;(value)))</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;{</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1utility.xhtml#a043270c1f50c73bf9f91fcc4570ccf0c">foldl</a>(std::forward&lt;F&gt;(func), func(std::forward&lt;T&gt;(initial), std::forward&lt;U&gt;(value)), std::forward&lt;Us&gt;(values)...);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;}</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a0c1a72cd100958036bb59f0625f0613f"> 140</a></span>&#160;std::vector&lt;size_t&gt; <a class="code" href="namespacearm__compute_1_1utility.xhtml#a0c1a72cd100958036bb59f0625f0613f">sort_indices</a>(<span class="keyword">const</span> std::vector&lt;T&gt; &amp;v)</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;{</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; std::vector&lt;size_t&gt; idx(v.size());</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; std::iota(idx.begin(), idx.end(), 0);</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; std::sort(idx.begin(), idx.end(),</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; [&amp;v](<span class="keywordtype">size_t</span> i1, <span class="keywordtype">size_t</span> i2)</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; {</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keywordflow">return</span> v[i1] &lt; v[i2];</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; });</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordflow">return</span> idx;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;}</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;</div><div class="line"><a name="l00161"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#af8cd4923f17276faa2f7a1a60e7acb17"> 161</a></span>&#160;<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 &amp;str, <span class="keyword">const</span> std::string &amp;suffix)</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;{</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keywordflow">if</span>(str.size() &lt; suffix.size())</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; {</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; }</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keywordflow">return</span> std::equal(suffix.rbegin(), suffix.rend(), str.rbegin());</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;}</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;</div><div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#a9eed476cf46a22a3ce6ebd8ba22e8945"> 177</a></span>&#160;<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="l00178"></a><span class="lineno"> 178</span>&#160;{</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keywordflow">return</span> (reinterpret_cast&lt;std::uintptr_t&gt;(ptr) % alignment) == 0;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;}</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;</div><div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1utility.xhtml#abb96ad5c7071ec3a47ea5f07e817a636"> 188</a></span>&#160;<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="l00189"></a><span class="lineno"> 189</span>&#160;{</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; 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> c)</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; {</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <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="l00193"></a><span class="lineno"> 193</span>&#160; });</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <span class="keywordflow">return</span> string;</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160;}</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;} <span class="comment">// namespace utility</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160;} <span class="comment">// namespace arm_compute</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160;<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_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#l00384">ToolchainSupport.h:384</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_a96efecf997f13a914609ddf1eb67f624"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#a96efecf997f13a914609ddf1eb67f624">arm_compute::utility::clamp</a></div><div class="ttdeci">DataType clamp(const DataType &amp;n, const DataType &amp;lower=std::numeric_limits&lt; RangeType &gt;::lowest(), const DataType &amp;upper=std::numeric_limits&lt; RangeType &gt;::max())</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_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 &amp;str, const std::string &amp;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#l00161">Utility.h:161</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#l00188">Utility.h:188</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 &amp;&amp; foldl(F &amp;&amp;, T &amp;&amp;value)</div><div class="ttdoc">Base case of foldl.</div><div class="ttdef"><b>Definition:</b> <a href="_utility_8h_source.xhtml#l00115">Utility.h:115</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1utility_xhtml_a067ebd28103d827b6ec17032e2344064"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#a067ebd28103d827b6ec17032e2344064">arm_compute::utility::for_each</a></div><div class="ttdeci">void for_each(F &amp;&amp;)</div><div class="ttdoc">Base case of for_each.</div><div class="ttdef"><b>Definition:</b> <a href="_utility_8h_source.xhtml#l00093">Utility.h:93</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1utility_1_1detail_xhtml_aae92fd77ef96d27bc5b5a10258da66cc"><div class="ttname"><a href="namespacearm__compute_1_1utility_1_1detail.xhtml#aae92fd77ef96d27bc5b5a10258da66cc">arm_compute::utility::detail::make_array</a></div><div class="ttdeci">T make_array(Iterator first, index_sequence&lt; S... &gt;)</div><div class="ttdef"><b>Definition:</b> <a href="_utility_8h_source.xhtml#l00063">Utility.h:63</a></div></div>
<div class="ttc" id="classarm__compute_1_1_iterator_xhtml"><div class="ttname"><a href="classarm__compute_1_1_iterator.xhtml">arm_compute::Iterator</a></div><div class="ttdoc">Iterator updated by execute_window_loop for each window element.</div><div class="ttdef"><b>Definition:</b> <a href="arm__compute_2core_2_helpers_8h_source.xhtml#l00318">Helpers.h:318</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_ad8ed01ff3ff33333d8e19db4d2818bb6"><div class="ttname"><a href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6">arm_compute::DataType</a></div><div class="ttdeci">DataType</div><div class="ttdoc">Available data types.</div><div class="ttdef"><b>Definition:</b> <a href="arm__compute_2core_2_types_8h_source.xhtml#l00074">Types.h:74</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1utility_xhtml_ab7c665e19081aef1a68ec0090b4c7be6"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#ab7c665e19081aef1a68ec0090b4c7be6">arm_compute::utility::make_array</a></div><div class="ttdeci">std::array&lt; typename std::iterator_traits&lt; Iterator &gt;::value_type, N &gt; make_array(Iterator first, Iterator last)</div><div class="ttdef"><b>Definition:</b> <a href="_utility_8h_source.xhtml#l00070">Utility.h:70</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1utility_xhtml_a0c1a72cd100958036bb59f0625f0613f"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#a0c1a72cd100958036bb59f0625f0613f">arm_compute::utility::sort_indices</a></div><div class="ttdeci">std::vector&lt; size_t &gt; sort_indices(const std::vector&lt; T &gt; &amp;v)</div><div class="ttdoc">Perform an index sort of a given vector.</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_1utility_xhtml_a9eed476cf46a22a3ce6ebd8ba22e8945"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#a9eed476cf46a22a3ce6ebd8ba22e8945">arm_compute::utility::check_aligned</a></div><div class="ttdeci">bool check_aligned(void *ptr, const size_t alignment)</div><div class="ttdoc">Checks if a pointer complies with a given alignment.</div><div class="ttdef"><b>Definition:</b> <a href="_utility_8h_source.xhtml#l00177">Utility.h:177</a></div></div>
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