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| <a href="_toolchain_support_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) 2017-2019 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_TEST_TOOLCHAINSUPPORT</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#define ARM_COMPUTE_TEST_TOOLCHAINSUPPORT</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 <cassert></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <cmath></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <cstddef></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <limits></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <numeric></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <sstream></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <arm_neon.h></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC</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> <span class="preprocessor">#include "<a class="code" href="_half_8h.xhtml">support/Half.h</a>"</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">namespace </span><a class="code" href="namespacearm__compute.xhtml">arm_compute</a></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> {</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support.xhtml"> 46</a></span> <span class="keyword">namespace </span>support</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml"> 48</a></span> <span class="keyword">namespace </span>cpp11</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> {</div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126"> 50</a></span> <span class="keyword">enum class</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126">NumericBase</a></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> {</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126a329acff975f3cc434528bec43bd5b6aa">BASE_10</a>,</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126a027219c7702304969c898aeffed504af">BASE_16</a></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> };</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"></span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">/** Convert string values to integer.</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> *</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> * @note This function implements the same behaviour as std::stoi. The latter</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> * is missing in some Android toolchains.</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> *</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * @param[in] str String to be converted to int.</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> * @param[in] pos If idx is not a null pointer, the function sets the value of pos to the position of the first character in str after the number.</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> * @param[in] base Numeric base used to interpret the string.</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> *</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * @return Integer representation of @p str.</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> */</span></div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#abdba606a789b8d664774f17d18f45cfe"> 67</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#abdba606a789b8d664774f17d18f45cfe">stoi</a>(<span class="keyword">const</span> std::string &str, std::size_t *pos = 0, <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126">NumericBase</a> base = <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126a329acff975f3cc434528bec43bd5b6aa">NumericBase::BASE_10</a>)</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>  assert(base == <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126a329acff975f3cc434528bec43bd5b6aa">NumericBase::BASE_10</a> || base == <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126a027219c7702304969c898aeffed504af">NumericBase::BASE_16</a>);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> x;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  std::stringstream ss;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">if</span>(base == <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126a027219c7702304969c898aeffed504af">NumericBase::BASE_16</a>)</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>  ss << std::hex;</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>  ss << str;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  ss >> x;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span>(pos)</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  {</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  std::string s;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  std::stringstream ss_p;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  ss_p << x;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  ss_p >> s;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  *pos = s.length();</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="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> x;</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> <span class="comment"></span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment">/** Convert string values to unsigned long.</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> *</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> * @note This function implements the same behaviour as std::stoul. The latter</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> * is missing in some Android toolchains.</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"> *</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"> * @param[in] str String to be converted to unsigned long.</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> * @param[in] pos If idx is not a null pointer, the function sets the value of pos to the position of the first character in str after the number.</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"> * @param[in] base Numeric base used to interpret the string.</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"> *</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"> * @return Unsigned long representation of @p str.</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> */</span></div><div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ae7b85c41ac94d98f07b1cef18b33d2d1"> 103</a></span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ae7b85c41ac94d98f07b1cef18b33d2d1">stoul</a>(<span class="keyword">const</span> std::string &str, std::size_t *pos = 0, <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126">NumericBase</a> base = <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126a329acff975f3cc434528bec43bd5b6aa">NumericBase::BASE_10</a>)</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> {</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  assert(base == <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126a329acff975f3cc434528bec43bd5b6aa">NumericBase::BASE_10</a> || base == <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126a027219c7702304969c898aeffed504af">NumericBase::BASE_16</a>);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  std::stringstream stream;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> value = 0;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span>(base == <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126a027219c7702304969c898aeffed504af">NumericBase::BASE_16</a>)</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  {</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  stream << std::hex;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  stream << str;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  stream >> 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">if</span>(pos)</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>  std::string s;</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  std::stringstream ss_p;</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>  ss_p << value;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  ss_p >> s;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  *pos = s.length();</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">return</span> value;</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="preprocessor">#if(__ANDROID__ || BARE_METAL)</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment">/** Convert integer and float values to string.</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment"> *</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> * @note This function implements the same behaviour as std::to_string. The</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> * latter is missing in some Android toolchains.</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> *</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> * @param[in] value Value to be converted to string.</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> *</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> * @return String representation of @p value.</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"> */</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <a class="code" href="namespace_gemm_tuner.xhtml#a7aead736a07eaf25623ad7bfa1f0ee2d">template <typename T, typename std::enable_if<std::is_arithmetic<typename std::decay<T>::type</a>>::value, <span class="keywordtype">int</span>><a class="code" href="namespace_gemm_tuner.xhtml#a7aead736a07eaf25623ad7bfa1f0ee2d">::type</a> = 0></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">inline</span> std::string <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#acc5dddee1cbe93a4eaf0a9f74ee96bb7">to_string</a>(T && value)</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> {</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  std::stringstream stream;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  stream << std::forward<T>(value);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">return</span> stream.str();</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> <span class="comment"></span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment">/** Rounds the floating-point argument arg to an integer value in floating-point format, using the current rounding mode.</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> *</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> * @note This function acts as a convenience wrapper around std::nearbyint. The</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> * latter is missing in some Android toolchains.</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> *</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> * @param[in] value Value to be rounded.</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> *</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> * @return The rounded value.</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> */</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">inline</span> T <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ac26a2b6f5d8e0c60e67684eea7e71e7c">nearbyint</a>(T value)</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="keywordflow">return</span> static_cast<T>(::<a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ac26a2b6f5d8e0c60e67684eea7e71e7c">nearbyint</a>(value));</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> }</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"></span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment">/** Convert string values to float.</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> *</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment"> * @note This function implements the same behaviour as std::stof. The latter</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment"> * is missing in some Android toolchains.</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> *</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"> * @param[in] str String to be converted to float.</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"> *</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"> * @return Float representation of @p str.</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"> */</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a1df10cffb9f2dea9f3b007ce411e105f">stof</a>(<span class="keyword">const</span> std::string &str)</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> {</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  std::stringstream stream(str);</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordtype">float</span> value = 0.f;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  stream >> value;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">return</span> value;</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="comment"></span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment">/** Round floating-point value with half value rounding away from zero.</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"> *</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> * @note This function implements the same behaviour as std::round except that it doesn't</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> * support Integral type. The latter is not in the namespace std in some Android toolchains.</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> *</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> * @param[in] value floating-point value to be rounded.</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment"> *</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"> * @return Floating-point value of rounded @p value.</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> */</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> template <typename T, typename = typename std::enable_if<std::is_floating_point<T>::value><a class="code" href="namespace_gemm_tuner.xhtml#a7aead736a07eaf25623ad7bfa1f0ee2d">::type</a>></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="keyword">inline</span> T <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ab71c35ca207b916a9f8b0336ab88484e">round</a>(T value)</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> {</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ab71c35ca207b916a9f8b0336ab88484e">return ::round</a>(value);</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="comment"></span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment">/** Truncate floating-point value.</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment"> *</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment"> * @note This function implements the same behaviour as std::truncate except that it doesn't</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"> * support Integral type. The latter is not in the namespace std in some Android toolchains.</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment"> *</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment"> * @param[in] value floating-point value to be truncated.</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment"> *</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> * @return Floating-point value of truncated @p value.</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"> */</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> template <typename T, typename = typename std::enable_if<std::is_floating_point<T>::value><a class="code" href="namespace_gemm_tuner.xhtml#a7aead736a07eaf25623ad7bfa1f0ee2d">::type</a>></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="keyword">inline</span> T <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ae04d407202e3d50ce6a4c79ac00a5d59">trunc</a>(T value)</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> {</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ae04d407202e3d50ce6a4c79ac00a5d59">return ::trunc</a>(value);</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> }</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"></span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment">/** Composes a floating point value with the magnitude of @p x and the sign of @p y.</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> *</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> * @note This function implements the same behaviour as std::copysign except that it doesn't</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> * support Integral type. The latter is not in the namespace std in some Android toolchains.</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"> *</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"> * @param[in] x value that contains the magnitude to be used in constructing the result.</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"> * @param[in] y value that contains the sign to be used in construct in the result.</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> *</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment"> * @return Floating-point value with magnitude of @p x and sign of @p y.</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment"> */</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> template <typename T, typename = typename std::enable_if<std::is_floating_point<T>::value><a class="code" href="namespace_gemm_tuner.xhtml#a7aead736a07eaf25623ad7bfa1f0ee2d">::type</a>></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="keyword">inline</span> T <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a28096f8372c0ad762864c790917375e2">copysign</a>(T x, T y)</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> {</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a28096f8372c0ad762864c790917375e2">return ::copysign</a>(x, y);</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> <span class="comment"></span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment">/** Computes (x*y) + z as if to infinite precision and rounded only once to fit the result type.</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment"> *</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment"> * @note This function implements the same behaviour as std::fma except that it doesn't</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"> * support Integral type. The latter is not in the namespace std in some Android toolchains.</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment"> *</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"> * @param[in] x floating-point value</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"> * @param[in] y floating-point value</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment"> * @param[in] z floating-point value</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment"> *</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment"> * @return Result floating point value equal to (x*y) + z.c</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment"> */</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> template < typename T, typename = typename std::enable_if < std::is_floating_point<T>::value</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="preprocessor">#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  || std::is_same<T, float16_t>::value</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="preprocessor">#endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  ><a class="code" href="namespace_gemm_tuner.xhtml#a7aead736a07eaf25623ad7bfa1f0ee2d">::type</a> ></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="keyword">inline</span> T <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#af399bedeaeb8dc177d3a301a12c3a5d0">fma</a>(T x, T y, T z)</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> {</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#af399bedeaeb8dc177d3a301a12c3a5d0">return ::fma</a>(x, y, z);</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="comment"></span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment">/** Loads the data from the given location, converts them to character string equivalents</span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> * and writes the result to a character string buffer.</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> *</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> * @param[in] s Pointer to a character string to write to</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> * @param[in] n Up to buf_size - 1 characters may be written, plus the null terminator</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> * @param[in] fmt Pointer to a null-terminated multibyte string specifying how to interpret the data.</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> * @param[in] args Arguments forwarded to snprintf.</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> *</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> * @return Number of characters that would have been written for a sufficiently large buffer</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> * if successful (not including the terminating null character), or a negative value if an error occurred.</span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment"> */</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="keyword">template</span> <<span class="keyword">typename</span>... Ts></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a9429515817425d10f4b662eaa069cc5c">snprintf</a>(<span class="keywordtype">char</span> *s, <span class="keywordtype">size_t</span> n, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, Ts &&... <a class="code" href="namespace_gemm_tuner.xhtml#a8187411843a6284ffb964ef3fb9fcab3">args</a>)</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> {</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a9429515817425d10f4b662eaa069cc5c">return ::snprintf</a>(s, n, fmt, std::forward<Ts>(<a class="code" href="namespace_gemm_tuner.xhtml#a8187411843a6284ffb964ef3fb9fcab3">args</a>)...);</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> }</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="preprocessor">#else </span><span class="comment">/* (__ANDROID__ || BARE_METAL) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment">/** Convert integer and float values to string.</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment"> *</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"> * @note This function acts as a convenience wrapper around std::to_string. The</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> * latter is missing in some Android toolchains.</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> *</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> * @param[in] value Value to be converted to string.</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> *</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment"> * @return String representation of @p value.</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment"> */</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00272"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#acc5dddee1cbe93a4eaf0a9f74ee96bb7"> 272</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#acc5dddee1cbe93a4eaf0a9f74ee96bb7">to_string</a>(T &&value)</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> {</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aae1437f4a38c4ada64e7a2586aa35bf8">return ::std::to_string</a>(std::forward<T>(value));</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> }</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"></span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment">/** Rounds the floating-point argument arg to an integer value in floating-point format, using the current rounding mode.</span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> *</span></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> * @note This function acts as a convenience wrapper around std::nearbyint. The</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment"> * latter is missing in some Android toolchains.</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"> *</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment"> * @param[in] value Value to be rounded.</span></div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment"> *</span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment"> * @return The rounded value.</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment"> */</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00287"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ac26a2b6f5d8e0c60e67684eea7e71e7c"> 287</a></span> <span class="keyword">inline</span> T <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ac26a2b6f5d8e0c60e67684eea7e71e7c">nearbyint</a>(T value)</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> {</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">return</span> static_cast<T>(<a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ac26a2b6f5d8e0c60e67684eea7e71e7c">std::nearbyint</a>(value));</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> }</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"></span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment">/** Convert string values to float.</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"> *</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"> * @note This function acts as a convenience wrapper around std::stof. The</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment"> * latter is missing in some Android toolchains.</span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment"> *</span></div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"> * @param[in] args Arguments forwarded to std::stof.</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment"> *</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"> * @return Float representation of input string.</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> */</span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="keyword">template</span> <<span class="keyword">typename</span>... Ts></div><div class="line"><a name="l00302"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a1df10cffb9f2dea9f3b007ce411e105f"> 302</a></span> <span class="keywordtype">int</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a1df10cffb9f2dea9f3b007ce411e105f">stof</a>(Ts &&... <a class="code" href="namespace_gemm_tuner.xhtml#a8187411843a6284ffb964ef3fb9fcab3">args</a>)</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> {</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a1df10cffb9f2dea9f3b007ce411e105f">return ::std::stof</a>(std::forward<Ts>(<a class="code" href="namespace_gemm_tuner.xhtml#a8187411843a6284ffb964ef3fb9fcab3">args</a>)...);</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> }</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="comment"></span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="comment">/** Round floating-point value with half value rounding away from zero.</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="comment"> *</span></div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="comment"> * @note This function implements the same behaviour as std::round except that it doesn't</span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="comment"> * support Integral type. The latter is not in the namespace std in some Android toolchains.</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"> *</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> * @param[in] value floating-point value to be rounded.</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"> *</span></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment"> * @return Floating-point value of rounded @p value.</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment"> */</span></div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> template <typename T, typename = typename std::enable_if<std::is_floating_point<T>::value><a class="code" href="namespace_gemm_tuner.xhtml#a7aead736a07eaf25623ad7bfa1f0ee2d">::type</a>></div><div class="line"><a name="l00317"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ab71c35ca207b916a9f8b0336ab88484e"> 317</a></span> <span class="keyword">inline</span> T <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ab71c35ca207b916a9f8b0336ab88484e">round</a>(T value)</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> {</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="comment">//Workaround Valgrind's mismatches: when running from Valgrind the call to std::round(-4.500000) == -4.000000 instead of 5.00000</span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">return</span> (value < 0.f) ? static_cast<int>(value - 0.5f) : static_cast<int>(value + 0.5f);</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> }</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="comment"></span></div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="comment">/** Truncate floating-point value.</span></div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment"> *</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment"> * @note This function implements the same behaviour as std::truncate except that it doesn't</span></div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment"> * support Integral type. The latter is not in the namespace std in some Android toolchains.</span></div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment"> *</span></div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment"> * @param[in] value floating-point value to be truncated.</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment"> *</span></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"> * @return Floating-point value of truncated @p value.</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment"> */</span></div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> template <typename T, typename = typename std::enable_if<std::is_floating_point<T>::value><a class="code" href="namespace_gemm_tuner.xhtml#a7aead736a07eaf25623ad7bfa1f0ee2d">::type</a>></div><div class="line"><a name="l00333"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ae04d407202e3d50ce6a4c79ac00a5d59"> 333</a></span> <span class="keyword">inline</span> T <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ae04d407202e3d50ce6a4c79ac00a5d59">trunc</a>(T value)</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> {</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ae04d407202e3d50ce6a4c79ac00a5d59">std::trunc</a>(value);</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> }</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment"></span></div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment">/** Composes a floating point value with the magnitude of @p x and the sign of @p y.</span></div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment"> *</span></div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"> * @note This function implements the same behaviour as std::copysign except that it doesn't</span></div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> * support Integral type. The latter is not in the namespace std in some Android toolchains.</span></div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment"> *</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment"> * @param[in] x value that contains the magnitude to be used in constructing the result.</span></div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment"> * @param[in] y value that contains the sign to be used in construct in the result.</span></div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"> *</span></div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="comment"> * @return Floating-point value with magnitude of @p x and sign of @p y.</span></div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="comment"> */</span></div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span> template <typename T, typename = typename std::enable_if<std::is_floating_point<T>::value><a class="code" href="namespace_gemm_tuner.xhtml#a7aead736a07eaf25623ad7bfa1f0ee2d">::type</a>></div><div class="line"><a name="l00349"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a28096f8372c0ad762864c790917375e2"> 349</a></span> <span class="keyword">inline</span> T <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a28096f8372c0ad762864c790917375e2">copysign</a>(T x, T y)</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> {</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a28096f8372c0ad762864c790917375e2">std::copysign</a>(x, y);</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> }</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="comment"></span></div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="comment">/** Computes (x*y) + z as if to infinite precision and rounded only once to fit the result type.</span></div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="comment"> *</span></div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="comment"> * @note This function implements the same behaviour as std::fma except that it doesn't</span></div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="comment"> * support Integral type. The latter is not in the namespace std in some Android toolchains.</span></div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment"> *</span></div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="comment"> * @param[in] x floating-point value</span></div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="comment"> * @param[in] y floating-point value</span></div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="comment"> * @param[in] z floating-point value</span></div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="comment"> *</span></div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment"> * @return Result floating point value equal to (x*y) + z.</span></div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="comment"> */</span></div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> template < typename T, typename = typename std::enable_if < std::is_floating_point<T>::value</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="preprocessor">#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC</span></div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  || std::is_same<T, float16_t>::value</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="preprocessor">#endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC</span></div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  ><a class="code" href="namespace_gemm_tuner.xhtml#a7aead736a07eaf25623ad7bfa1f0ee2d">::type</a> ></div><div class="line"><a name="l00370"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#af399bedeaeb8dc177d3a301a12c3a5d0"> 370</a></span> <span class="keyword">inline</span> T <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#af399bedeaeb8dc177d3a301a12c3a5d0">fma</a>(T x, T y, T z)</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> {</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#af399bedeaeb8dc177d3a301a12c3a5d0">std::fma</a>(x, y, z);</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> }</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="comment"></span></div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="comment">/** Loads the data from the given location, converts them to character string equivalents</span></div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="comment"> * and writes the result to a character string buffer.</span></div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="comment"> *</span></div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="comment"> * @param[in] s Pointer to a character string to write to</span></div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="comment"> * @param[in] n Up to buf_size - 1 characters may be written, plus the null terminator</span></div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="comment"> * @param[in] fmt Pointer to a null-terminated multibyte string specifying how to interpret the data.</span></div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="comment"> * @param[in] args Arguments forwarded to std::snprintf.</span></div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="comment"> *</span></div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="comment"> * @return Number of characters that would have been written for a sufficiently large buffer</span></div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="comment"> * if successful (not including the terminating null character), or a negative value if an error occurred.</span></div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="comment"> */</span></div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="keyword">template</span> <<span class="keyword">typename</span>... Ts></div><div class="line"><a name="l00387"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a9429515817425d10f4b662eaa069cc5c"> 387</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a9429515817425d10f4b662eaa069cc5c">snprintf</a>(<span class="keywordtype">char</span> *s, std::size_t n, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, Ts &&... <a class="code" href="namespace_gemm_tuner.xhtml#a8187411843a6284ffb964ef3fb9fcab3">args</a>)</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span> {</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a9429515817425d10f4b662eaa069cc5c">std::snprintf</a>(s, n, fmt, std::forward<Ts>(<a class="code" href="namespace_gemm_tuner.xhtml#a8187411843a6284ffb964ef3fb9fcab3">args</a>)...);</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span> }</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="preprocessor">#endif </span><span class="comment">/* (__ANDROID__ || BARE_METAL) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div><div class="line"><a name="l00393"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aae1437f4a38c4ada64e7a2586aa35bf8"> 393</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#acc5dddee1cbe93a4eaf0a9f74ee96bb7">to_string</a>(<span class="keywordtype">bool</span> value)</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span> {</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  std::stringstream str;</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  str << std::boolalpha << value;</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">return</span> str.str();</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span> }</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span> </div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="comment">// std::align is missing in GCC 4.9</span></div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="comment">// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57350</span></div><div class="line"><a name="l00402"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a9e51e04e3f86c823883757ef22d4f39a"> 402</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> *<a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a9e51e04e3f86c823883757ef22d4f39a">align</a>(std::size_t alignment, std::size_t size, <span class="keywordtype">void</span> *&ptr, std::size_t &space)</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span> {</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  std::uintptr_t pn = reinterpret_cast<std::uintptr_t>(ptr);</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  std::uintptr_t aligned = (pn + alignment - 1) & -alignment;</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  std::size_t <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a735a025fce26c1ef147b54426df18181">padding</a> = aligned - pn;</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">if</span>(space < size + <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a735a025fce26c1ef147b54426df18181">padding</a>)</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  {</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  }</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span> </div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  space -= <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a735a025fce26c1ef147b54426df18181">padding</a>;</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span> </div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">return</span> ptr = reinterpret_cast<void *>(aligned);</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span> }</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="comment">// std::numeric_limits<T>::lowest</span></div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00418"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a73e352c61baaf9c1178da2d30105b04e"> 418</a></span> <span class="keyword">inline</span> T <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a73e352c61baaf9c1178da2d30105b04e">lowest</a>()</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span> {</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">return</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="l00421"></a><span class="lineno"> 421</span> }</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span> </div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="preprocessor">#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC</span></div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="keyword">inline</span> __fp16 lowest<__fp16>()</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span> {</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a73e352c61baaf9c1178da2d30105b04e">std::numeric_limits<half_float::half>::lowest</a>();</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span> }</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="preprocessor">#endif </span><span class="comment">/* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */</span><span class="preprocessor"></span></div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span> </div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="comment">// std::isfinite</span></div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span> template <typename T, typename = typename std::enable_if<std::is_arithmetic<T>::value><a class="code" href="namespace_gemm_tuner.xhtml#a7aead736a07eaf25623ad7bfa1f0ee2d">::type</a>></div><div class="line"><a name="l00433"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a079a0ecb5fc05e0a107785f2573bc854"> 433</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a079a0ecb5fc05e0a107785f2573bc854">isfinite</a>(T value)</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span> {</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a81dc1c64fed4ed4e9e4f4bf32cb8ba46">std::isfinite</a>(value);</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> }</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span> </div><div class="line"><a name="l00438"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a81dc1c64fed4ed4e9e4f4bf32cb8ba46"> 438</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a079a0ecb5fc05e0a107785f2573bc854">isfinite</a>(<a class="code" href="namespacearm__compute.xhtml#a73e2825fd61d349c5ca2f5313e3c8ea1">half_float::half</a> value)</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span> {</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a81dc1c64fed4ed4e9e4f4bf32cb8ba46">half_float::isfinite</a>(value);</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span> }</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> } <span class="comment">// namespace cpp11</span></div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span> </div><div class="line"><a name="l00444"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp14.xhtml"> 444</a></span> <span class="keyword">namespace </span>cpp14</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span> {<span class="comment"></span></div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="comment">/** make_unique is missing in CPP11. Re-implement it according to the standard proposal. */</span></div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="comment"></span></div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment">/**<Template for single object */</span></div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00450"></a><span class="lineno"><a class="line" href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if.xhtml"> 450</a></span> <span class="keyword">struct </span><a class="code" href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if.xhtml">_Unique_if</a></div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span> {</div><div class="line"><a name="l00452"></a><span class="lineno"><a class="line" href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if.xhtml#a110afbff84e3935821a5dd174781da73"> 452</a></span>  <span class="keyword">typedef</span> std::unique_ptr<T> <a class="code" href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if.xhtml#a110afbff84e3935821a5dd174781da73">_Single_object</a>; <span class="comment">/**< Single object type */</span></div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span> };</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="comment"></span></div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="comment">/** Template for array */</span></div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00457"></a><span class="lineno"><a class="line" href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if_3_01_t[]_4.xhtml"> 457</a></span> <span class="keyword">struct </span><a class="code" href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if.xhtml">_Unique_if</a><T[]></div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span> {</div><div class="line"><a name="l00459"></a><span class="lineno"><a class="line" href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if_3_01_t[]_4.xhtml#a7bdc8412f0630ce38a08b0455830216d"> 459</a></span>  <span class="keyword">typedef</span> std::unique_ptr<T[]> <a class="code" href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if_3_01_t[]_4.xhtml#a7bdc8412f0630ce38a08b0455830216d">_Unknown_bound</a>; <span class="comment">/**< Array type */</span></div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span> };</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="comment"></span></div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="comment">/** Template for array with known bounds (to throw an error).</span></div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="comment"> *</span></div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="comment"> * @note this is intended to never be hit.</span></div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="comment"> */</span></div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="keyword">template</span> <<span class="keyword">class</span> T, <span class="keywordtype">size_t</span> N></div><div class="line"><a name="l00467"></a><span class="lineno"><a class="line" href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if_3_01_t[_n]_4.xhtml"> 467</a></span> <span class="keyword">struct </span><a class="code" href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if.xhtml">_Unique_if</a><T[N]></div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span> {</div><div class="line"><a name="l00469"></a><span class="lineno"><a class="line" href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if_3_01_t[_n]_4.xhtml#a344694425c9a8cf20c0869bdc4c675b6"> 469</a></span>  <span class="keyword">typedef</span> <span class="keywordtype">void</span> <a class="code" href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if_3_01_t[_n]_4.xhtml#a344694425c9a8cf20c0869bdc4c675b6">_Known_bound</a>; <span class="comment">/**< Should never be used */</span></div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span> };</div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span> <span class="comment"></span></div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="comment">/** Construct a single object and return a unique pointer to it.</span></div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span> <span class="comment"> *</span></div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="comment"> * @param[in] args Constructor arguments.</span></div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="comment"> *</span></div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="comment"> * @return a unique pointer to the new object.</span></div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span> <span class="comment"> */</span></div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span> <span class="keyword">template</span> <<span class="keyword">class </span>T, <span class="keyword">class</span>... Args></div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="keyword">typename</span> <a class="code" href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if.xhtml#a110afbff84e3935821a5dd174781da73">_Unique_if<T>::_Single_object</a></div><div class="line"><a name="l00480"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp14.xhtml#a1d95a84d1a4610af6a128ad96c907e8b"> 480</a></span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp14.xhtml#a1d95a84d1a4610af6a128ad96c907e8b">make_unique</a>(Args &&... <a class="code" href="namespace_gemm_tuner.xhtml#a8187411843a6284ffb964ef3fb9fcab3">args</a>)</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span> {</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">return</span> std::unique_ptr<T>(<span class="keyword">new</span> T(std::forward<Args>(<a class="code" href="namespace_gemm_tuner.xhtml#a8187411843a6284ffb964ef3fb9fcab3">args</a>)...));</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span> }</div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span> <span class="comment"></span></div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span> <span class="comment">/** Construct an array of objects and return a unique pointer to it.</span></div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span> <span class="comment"> *</span></div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="comment"> * @param[in] n Array size</span></div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="comment"> *</span></div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="comment"> * @return a unique pointer to the new array.</span></div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment"> */</span></div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="keyword">typename</span> _Unique_if<T>::_Unknown_bound</div><div class="line"><a name="l00493"></a><span class="lineno"><a class="line" href="namespacearm__compute_1_1support_1_1cpp14.xhtml#a9497f049c3bfd9fcebdec84397fff2b9"> 493</a></span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp14.xhtml#a1d95a84d1a4610af6a128ad96c907e8b">make_unique</a>(<span class="keywordtype">size_t</span> n)</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span> {</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="namespace_gemm_tuner.xhtml#a7aead736a07eaf25623ad7bfa1f0ee2d">std::remove_extent<T>::type</a> <a class="code" href="namespacearm__compute_1_1utils_1_1cast.xhtml#a2ea3d1fc01a3a442900249ca182ffa5e">U</a>;</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keywordflow">return</span> std::unique_ptr<T>(<span class="keyword">new</span> <a class="code" href="namespacearm__compute_1_1utils_1_1cast.xhtml#a2ea3d1fc01a3a442900249ca182ffa5e">U</a>[n]());</div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span> }</div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span> <span class="comment"></span></div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span> <span class="comment">/** It is invalid to attempt to make_unique an array with known bounds. */</span></div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="keyword">template</span> <<span class="keyword">class </span>T, <span class="keyword">class</span>... Args></div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="keyword">typename</span> _Unique_if<T>::_Known_bound</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <a class="code" href="namespacearm__compute_1_1support_1_1cpp14.xhtml#a1d95a84d1a4610af6a128ad96c907e8b">make_unique</a>(Args &&...) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span> } <span class="comment">// namespace cpp14</span></div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span> } <span class="comment">// namespace support</span></div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span> } <span class="comment">// namespace arm_compute</span></div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="preprocessor">#endif </span><span class="comment">/* ARM_COMPUTE_TEST_TOOLCHAINSUPPORT */</span><span class="preprocessor"></span></div><div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_ae7b85c41ac94d98f07b1cef18b33d2d1"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ae7b85c41ac94d98f07b1cef18b33d2d1">arm_compute::support::cpp11::stoul</a></div><div class="ttdeci">unsigned long stoul(const std::string &str, std::size_t *pos=0, NumericBase base=NumericBase::BASE_10)</div><div class="ttdoc">Convert string values to unsigned long.</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00103">ToolchainSupport.h:103</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_aae1437f4a38c4ada64e7a2586aa35bf8"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aae1437f4a38c4ada64e7a2586aa35bf8">arm_compute::support::cpp11::to_string</a></div><div class="ttdeci">std::string to_string(bool value)</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00393">ToolchainSupport.h:393</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_ae04d407202e3d50ce6a4c79ac00a5d59"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ae04d407202e3d50ce6a4c79ac00a5d59">arm_compute::support::cpp11::trunc</a></div><div class="ttdeci">T trunc(T value)</div><div class="ttdoc">Truncate floating-point value.</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00333">ToolchainSupport.h:333</a></div></div> |
| <div class="ttc" id="namespace_gemm_tuner_xhtml_a8187411843a6284ffb964ef3fb9fcab3"><div class="ttname"><a href="namespace_gemm_tuner.xhtml#a8187411843a6284ffb964ef3fb9fcab3">GemmTuner.args</a></div><div class="ttdeci">args</div><div class="ttdef"><b>Definition:</b> <a href="_gemm_tuner_8py_source.xhtml#l00555">GemmTuner.py:555</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_a28096f8372c0ad762864c790917375e2"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a28096f8372c0ad762864c790917375e2">arm_compute::support::cpp11::copysign</a></div><div class="ttdeci">T copysign(T x, T y)</div><div class="ttdoc">Composes a floating point value with the magnitude of x and the sign of y.</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00349">ToolchainSupport.h:349</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_ac26a2b6f5d8e0c60e67684eea7e71e7c"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ac26a2b6f5d8e0c60e67684eea7e71e7c">arm_compute::support::cpp11::nearbyint</a></div><div class="ttdeci">T nearbyint(T value)</div><div class="ttdoc">Rounds the floating-point argument arg to an integer value in floating-point format,...</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00287">ToolchainSupport.h:287</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_acc5dddee1cbe93a4eaf0a9f74ee96bb7"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#acc5dddee1cbe93a4eaf0a9f74ee96bb7">arm_compute::support::cpp11::to_string</a></div><div class="ttdeci">std::string to_string(T &&value)</div><div class="ttdoc">Convert integer and float values to string.</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00272">ToolchainSupport.h:272</a></div></div> |
| <div class="ttc" id="namespacearm__compute_xhtml_a73e2825fd61d349c5ca2f5313e3c8ea1"><div class="ttname"><a href="namespacearm__compute.xhtml#a73e2825fd61d349c5ca2f5313e3c8ea1">arm_compute::half</a></div><div class="ttdeci">half_float::half half</div><div class="ttdoc">16-bit floating point type</div><div class="ttdef"><b>Definition:</b> <a href="arm__compute_2core_2_types_8h_source.xhtml#l00045">Types.h:45</a></div></div> |
| <div class="ttc" id="structarm__compute_1_1support_1_1cpp14_1_1___unique__if_xhtml"><div class="ttname"><a href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if.xhtml">arm_compute::support::cpp14::_Unique_if</a></div><div class="ttdoc">make_unique is missing in CPP11.</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00450">ToolchainSupport.h:450</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_aebc1ea57c14482b68dac0c0dab766126a027219c7702304969c898aeffed504af"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126a027219c7702304969c898aeffed504af">arm_compute::support::cpp11::NumericBase::BASE_16</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#l00418">ToolchainSupport.h:418</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) 2017-2020 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="structarm__compute_1_1support_1_1cpp14_1_1___unique__if_xhtml_a110afbff84e3935821a5dd174781da73"><div class="ttname"><a href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if.xhtml#a110afbff84e3935821a5dd174781da73">arm_compute::support::cpp14::_Unique_if::_Single_object</a></div><div class="ttdeci">std::unique_ptr< T > _Single_object</div><div class="ttdoc">Single object type.</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00452">ToolchainSupport.h:452</a></div></div> |
| <div class="ttc" id="_half_8h_xhtml"><div class="ttname"><a href="_half_8h.xhtml">Half.h</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_a079a0ecb5fc05e0a107785f2573bc854"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a079a0ecb5fc05e0a107785f2573bc854">arm_compute::support::cpp11::isfinite</a></div><div class="ttdeci">bool isfinite(T value)</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00433">ToolchainSupport.h:433</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1utils_1_1cast_xhtml_a2ea3d1fc01a3a442900249ca182ffa5e"><div class="ttname"><a href="namespacearm__compute_1_1utils_1_1cast.xhtml#a2ea3d1fc01a3a442900249ca182ffa5e">arm_compute::utils::cast::U</a></div><div class="ttdeci">U</div><div class="ttdef"><b>Definition:</b> <a href="_saturate_cast_8h_source.xhtml#l00057">SaturateCast.h:57</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp14_xhtml_a1d95a84d1a4610af6a128ad96c907e8b"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp14.xhtml#a1d95a84d1a4610af6a128ad96c907e8b">arm_compute::support::cpp14::make_unique</a></div><div class="ttdeci">_Unique_if< T >::_Single_object make_unique(Args &&... args)</div><div class="ttdoc">Construct a single object and return a unique pointer to it.</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00480">ToolchainSupport.h:480</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_a9e51e04e3f86c823883757ef22d4f39a"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a9e51e04e3f86c823883757ef22d4f39a">arm_compute::support::cpp11::align</a></div><div class="ttdeci">void * align(std::size_t alignment, std::size_t size, void *&ptr, std::size_t &space)</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00402">ToolchainSupport.h:402</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_abdba606a789b8d664774f17d18f45cfe"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#abdba606a789b8d664774f17d18f45cfe">arm_compute::support::cpp11::stoi</a></div><div class="ttdeci">int stoi(const std::string &str, std::size_t *pos=0, NumericBase base=NumericBase::BASE_10)</div><div class="ttdoc">Convert string values to integer.</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00067">ToolchainSupport.h:67</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_aebc1ea57c14482b68dac0c0dab766126"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126">arm_compute::support::cpp11::NumericBase</a></div><div class="ttdeci">NumericBase</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00050">ToolchainSupport.h:50</a></div></div> |
| <div class="ttc" id="namespace_gemm_tuner_xhtml_a7aead736a07eaf25623ad7bfa1f0ee2d"><div class="ttname"><a href="namespace_gemm_tuner.xhtml#a7aead736a07eaf25623ad7bfa1f0ee2d">GemmTuner.type</a></div><div class="ttdeci">type</div><div class="ttdef"><b>Definition:</b> <a href="_gemm_tuner_8py_source.xhtml#l00527">GemmTuner.py:527</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_af399bedeaeb8dc177d3a301a12c3a5d0"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#af399bedeaeb8dc177d3a301a12c3a5d0">arm_compute::support::cpp11::fma</a></div><div class="ttdeci">T fma(T x, T y, T z)</div><div class="ttdoc">Computes (x*y) + z as if to infinite precision and rounded only once to fit the result type.</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00370">ToolchainSupport.h:370</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_ab71c35ca207b916a9f8b0336ab88484e"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#ab71c35ca207b916a9f8b0336ab88484e">arm_compute::support::cpp11::round</a></div><div class="ttdeci">T round(T value)</div><div class="ttdoc">Round floating-point value with half value rounding away from zero.</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00317">ToolchainSupport.h:317</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_a1df10cffb9f2dea9f3b007ce411e105f"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a1df10cffb9f2dea9f3b007ce411e105f">arm_compute::support::cpp11::stof</a></div><div class="ttdeci">int stof(Ts &&... args)</div><div class="ttdoc">Convert string values to float.</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00302">ToolchainSupport.h:302</a></div></div> |
| <div class="ttc" id="structarm__compute_1_1support_1_1cpp14_1_1___unique__if_3_01_t[]_4_xhtml_a7bdc8412f0630ce38a08b0455830216d"><div class="ttname"><a href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if_3_01_t[]_4.xhtml#a7bdc8412f0630ce38a08b0455830216d">arm_compute::support::cpp14::_Unique_if< T[]>::_Unknown_bound</a></div><div class="ttdeci">std::unique_ptr< T[]> _Unknown_bound</div><div class="ttdoc">Array type.</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00459">ToolchainSupport.h:459</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_aebc1ea57c14482b68dac0c0dab766126a329acff975f3cc434528bec43bd5b6aa"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#aebc1ea57c14482b68dac0c0dab766126a329acff975f3cc434528bec43bd5b6aa">arm_compute::support::cpp11::NumericBase::BASE_10</a></div></div> |
| <div class="ttc" id="structarm__compute_1_1support_1_1cpp14_1_1___unique__if_3_01_t[_n]_4_xhtml_a344694425c9a8cf20c0869bdc4c675b6"><div class="ttname"><a href="structarm__compute_1_1support_1_1cpp14_1_1___unique__if_3_01_t[_n]_4.xhtml#a344694425c9a8cf20c0869bdc4c675b6">arm_compute::support::cpp14::_Unique_if< T[N]>::_Known_bound</a></div><div class="ttdeci">void _Known_bound</div><div class="ttdoc">Should never be used.</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00469">ToolchainSupport.h:469</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a735a025fce26c1ef147b54426df18181"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a735a025fce26c1ef147b54426df18181">arm_compute::test::validation::padding</a></div><div class="ttdeci">const PaddingSize padding</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_absolute_difference_8cpp_source.xhtml#l00113">AbsoluteDifference.cpp:113</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_a81dc1c64fed4ed4e9e4f4bf32cb8ba46"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a81dc1c64fed4ed4e9e4f4bf32cb8ba46">arm_compute::support::cpp11::isfinite</a></div><div class="ttdeci">bool isfinite(half_float::half value)</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00438">ToolchainSupport.h:438</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1support_1_1cpp11_xhtml_a9429515817425d10f4b662eaa069cc5c"><div class="ttname"><a href="namespacearm__compute_1_1support_1_1cpp11.xhtml#a9429515817425d10f4b662eaa069cc5c">arm_compute::support::cpp11::snprintf</a></div><div class="ttdeci">int snprintf(char *s, std::size_t n, const char *fmt, Ts &&... args)</div><div class="ttdoc">Loads the data from the given location, converts them to character string equivalents and writes the ...</div><div class="ttdef"><b>Definition:</b> <a href="_toolchain_support_8h_source.xhtml#l00387">ToolchainSupport.h:387</a></div></div> |
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