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<a href="a00959.html">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">// -*- C++ -*-</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (C) 2007-2018 Free Software Foundation, Inc.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// software; you can redistribute it and/or modify it under the terms</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// of the GNU General Public License as published by the Free Software</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Foundation; either version 3, or (at your option) any later</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// version.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// This library is distributed in the hope that it will be useful, but</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/**</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * @file parallel/set_operations.h</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * @brief Parallel implementations of set operations for random-access</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * iterators.</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * This file is a GNU parallel extension to the Standard C++ Library.</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> */</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// Written by Marius Elvert and Felix Bondarenko.</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#ifndef _GLIBCXX_PARALLEL_SET_OPERATIONS_H</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#define _GLIBCXX_PARALLEL_SET_OPERATIONS_H 1</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <omp.h></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="a00962.html">parallel/settings.h</a>></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="code" href="a00914.html">parallel/multiseq_selection.h</a>></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="keyword">namespace </span><a class="code" href="a01575.html">__gnu_parallel</a></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">template</span><<span class="keyword">typename</span> _IIter, <span class="keyword">typename</span> _OutputIterator></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  _OutputIterator</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  __copy_tail(<a class="code" href="a07767.html">std::pair<_IIter, _IIter></a> __b,</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <a class="code" href="a07767.html">std::pair<_IIter, _IIter></a> __e, _OutputIterator __r)</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  {</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">if</span> (__b.<a class="code" href="a07767.html#a198b03cffc037835dc1dc01c926ce251">first</a> != __e.<a class="code" href="a07767.html#a198b03cffc037835dc1dc01c926ce251">first</a>)</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">do</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  *__r++ = *__b.<a class="code" href="a07767.html#a198b03cffc037835dc1dc01c926ce251">first</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="keywordflow">while</span> (__b.<a class="code" href="a07767.html#a198b03cffc037835dc1dc01c926ce251">first</a> != __e.<a class="code" href="a07767.html#a198b03cffc037835dc1dc01c926ce251">first</a>);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">while</span> (__b.<a class="code" href="a07767.html#a91179413226db12e66346d3673b7835f">second</a> != __e.<a class="code" href="a07767.html#a91179413226db12e66346d3673b7835f">second</a>)</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  *__r++ = *__b.<a class="code" href="a07767.html#a91179413226db12e66346d3673b7835f">second</a>++;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> __r;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _IIter,</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">typename</span> _OutputIterator,</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">typename</span> _Compare></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">struct </span>__symmetric_difference_func</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">typedef</span> std::iterator_traits<_IIter> _TraitsType;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _TraitsType::difference_type _DifferenceType;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="a07767.html">std::pair<_IIter, _IIter></a> _IteratorPair;</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>  __symmetric_difference_func(_Compare __comp) : _M_comp(__comp) {}</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>  _Compare _M_comp;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  _OutputIterator</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  _M_invoke(_IIter __a, _IIter __b, _IIter __c, _IIter __d,</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  _OutputIterator __r)<span class="keyword"> const</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">while</span> (__a != __b && __c != __d)</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>  <span class="keywordflow">if</span> (_M_comp(*__a, *__c))</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  *__r = *__a;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  ++__a;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  ++__r;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_comp(*__c, *__a))</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  *__r = *__c;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  ++__c;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  ++__r;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  ++__a;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  ++__c;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> std::copy(__c, __d, std::copy(__a, __b, __r));</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  _DifferenceType</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  __count(_IIter __a, _IIter __b, _IIter __c, _IIter __d)<span class="keyword"> const</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  _DifferenceType __counter = 0;</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>  <span class="keywordflow">while</span> (__a != __b && __c != __d)</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>  <span class="keywordflow">if</span> (_M_comp(*__a, *__c))</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  {</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  ++__a;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  ++__counter;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_comp(*__c, *__a))</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  {</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  ++__c;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  ++__counter;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">else</span></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>  ++__a;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  ++__c;</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> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span> __counter + (__b - __a) + (__d - __c);</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  _OutputIterator</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  __first_empty(_IIter __c, _IIter __d, _OutputIterator __out)<span class="keyword"> const</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> std::copy(__c, __d, __out); }</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  _OutputIterator</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  __second_empty(_IIter __a, _IIter __b, _OutputIterator __out)<span class="keyword"> const</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> std::copy(__a, __b, __out); }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  };</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _IIter,</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">typename</span> _OutputIterator,</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">typename</span> _Compare></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">struct </span>__difference_func</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  {</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">typedef</span> std::iterator_traits<_IIter> _TraitsType;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _TraitsType::difference_type _DifferenceType;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="a07767.html">std::pair<_IIter, _IIter></a> _IteratorPair;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  __difference_func(_Compare __comp) : _M_comp(__comp) {}</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  _Compare _M_comp;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  _OutputIterator</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  _M_invoke(_IIter __a, _IIter __b, _IIter __c, _IIter __d,</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  _OutputIterator __r)<span class="keyword"> const</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">while</span> (__a != __b && __c != __d)</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  {</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (_M_comp(*__a, *__c))</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  {</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  *__r = *__a;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  ++__a;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  ++__r;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_comp(*__c, *__a))</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  { ++__c; }</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  {</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  ++__a;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  ++__c;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">return</span> std::copy(__a, __b, __r);</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  _DifferenceType</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  __count(_IIter __a, _IIter __b,</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  _IIter __c, _IIter __d)<span class="keyword"> const</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  _DifferenceType __counter = 0;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">while</span> (__a != __b && __c != __d)</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  {</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">if</span> (_M_comp(*__a, *__c))</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  {</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  ++__a;</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  ++__counter;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_comp(*__c, *__a))</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  { ++__c; }</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  { ++__a; ++__c; }</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span> __counter + (__b - __a);</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  _OutputIterator</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  __first_empty(_IIter, _IIter, _OutputIterator __out)<span class="keyword"> const</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> __out; }</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  _OutputIterator</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  __second_empty(_IIter __a, _IIter __b, _OutputIterator __out)<span class="keyword"> const</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> std::copy(__a, __b, __out); }</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  };</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _IIter,</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">typename</span> _OutputIterator,</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keyword">typename</span> _Compare></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">struct </span>__intersection_func</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  {</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">typedef</span> std::iterator_traits<_IIter> _TraitsType;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _TraitsType::difference_type _DifferenceType;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="a07767.html">std::pair<_IIter, _IIter></a> _IteratorPair;</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  __intersection_func(_Compare __comp) : _M_comp(__comp) {}</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>  _Compare _M_comp;</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>  _OutputIterator</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  _M_invoke(_IIter __a, _IIter __b, _IIter __c, _IIter __d,</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  _OutputIterator __r)<span class="keyword"> const</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">while</span> (__a != __b && __c != __d)</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  {</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (_M_comp(*__a, *__c))</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  { ++__a; }</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_comp(*__c, *__a))</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  { ++__c; }</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  {</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  *__r = *__a;</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  ++__a;</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  ++__c;</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  ++__r;</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  }</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span> __r;</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> </div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  _DifferenceType</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  __count(_IIter __a, _IIter __b, _IIter __c, _IIter __d)<span class="keyword"> const</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  _DifferenceType __counter = 0;</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">while</span> (__a != __b && __c != __d)</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  {</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">if</span> (_M_comp(*__a, *__c))</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  { ++__a; }</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_comp(*__c, *__a))</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  { ++__c; }</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  {</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  ++__a;</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  ++__c;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  ++__counter;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  }</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  }</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">return</span> __counter;</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  _OutputIterator</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  __first_empty(_IIter, _IIter, _OutputIterator __out)<span class="keyword"> const</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> __out; }</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  _OutputIterator</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  __second_empty(_IIter, _IIter, _OutputIterator __out)<span class="keyword"> const</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> __out; }</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  };</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="keyword">template</span><<span class="keyword">class</span> _IIter, <span class="keyword">class</span> _OutputIterator, <span class="keyword">class</span> _Compare></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keyword">struct </span>__union_func</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  {</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> std::iterator_traits<_IIter>::difference_type</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  _DifferenceType;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  __union_func(_Compare __comp) : _M_comp(__comp) {}</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  _Compare _M_comp;</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  _OutputIterator</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  _M_invoke(_IIter __a, <span class="keyword">const</span> _IIter __b, _IIter __c,</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keyword">const</span> _IIter __d, _OutputIterator __r)<span class="keyword"> const</span></div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">while</span> (__a != __b && __c != __d)</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  {</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">if</span> (_M_comp(*__a, *__c))</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  {</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  *__r = *__a;</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  ++__a;</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_comp(*__c, *__a))</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  {</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  *__r = *__c;</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  ++__c;</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">else</span></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>  *__r = *__a;</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  ++__a;</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  ++__c;</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  }</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  ++__r;</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  }</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">return</span> std::copy(__c, __d, std::copy(__a, __b, __r));</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  }</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  _DifferenceType</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  __count(_IIter __a, _IIter __b, _IIter __c, _IIter __d)<span class="keyword"> const</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  _DifferenceType __counter = 0;</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">while</span> (__a != __b && __c != __d)</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  {</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span> (_M_comp(*__a, *__c))</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  { ++__a; }</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_comp(*__c, *__a))</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  { ++__c; }</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  {</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  ++__a;</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  ++__c;</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  }</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  ++__counter;</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  }</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> </div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  __counter += (__b - __a);</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  __counter += (__d - __c);</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">return</span> __counter;</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</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>  _OutputIterator</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  __first_empty(_IIter __c, _IIter __d, _OutputIterator __out)<span class="keyword"> const</span></div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> std::copy(__c, __d, __out); }</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  _OutputIterator</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  __second_empty(_IIter __a, _IIter __b, _OutputIterator __out)<span class="keyword"> const</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> std::copy(__a, __b, __out); }</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  };</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> </div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _IIter,</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keyword">typename</span> _OutputIterator,</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keyword">typename</span> _Operation></div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  _OutputIterator</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  __parallel_set_operation(_IIter __begin1, _IIter __end1,</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  _IIter __begin2, _IIter __end2,</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  _OutputIterator __result, _Operation __op)</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  {</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <a class="code" href="a00881.html#a77fb93c9cecec331ccee755972695128">_GLIBCXX_CALL</a>((__end1 - __begin1) + (__end2 - __begin2))</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> </div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keyword">typedef</span> std::iterator_traits<_IIter> _TraitsType;</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _TraitsType::difference_type _DifferenceType;</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="a07767.html">std::pair<_IIter, _IIter></a> _IteratorPair;</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">if</span> (__begin1 == __end1)</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">return</span> __op.__first_empty(__begin2, __end2, __result);</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span> </div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">if</span> (__begin2 == __end2)</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">return</span> __op.__second_empty(__begin1, __end1, __result);</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> </div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keyword">const</span> _DifferenceType __size = (__end1 - __begin1) + (__end2 - __begin2);</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> </div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keyword">const</span> _IteratorPair __sequence[2] = { <a class="code" href="a01480.html#ga0409e288f07b697cb6885d1002df0bd6">std::make_pair</a>(__begin1, __end1),</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <a class="code" href="a01480.html#ga0409e288f07b697cb6885d1002df0bd6">std::make_pair</a>(__begin2, __end2) };</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  _OutputIterator __return_value = __result;</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  _DifferenceType *__borders;</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  _IteratorPair *__block_begins;</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  _DifferenceType* __lengths;</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> </div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <a class="code" href="a01575.html#a05e502e51bfc3233671730f74a44dc6a">_ThreadIndex</a> __num_threads =</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  std::min<_DifferenceType>(__get_max_threads(),</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <a class="code" href="a01485.html#gad48656de2f272a953455e1fff2532125">std::min</a>(__end1 - __begin1, __end2 - __begin2));</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="preprocessor"># pragma omp parallel num_threads(__num_threads)</span></div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  {</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="preprocessor"># pragma omp single</span></div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  {</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  __num_threads = omp_get_num_threads();</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> </div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  __borders = <span class="keyword">new</span> _DifferenceType[__num_threads + 2];</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <a class="code" href="a01575.html#ac799255921e70b0378d145924d673f9c">__equally_split</a>(__size, __num_threads + 1, __borders);</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  __block_begins = <span class="keyword">new</span> _IteratorPair[__num_threads + 1];</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="comment">// Very __start.</span></div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  __block_begins[0] = <a class="code" href="a01480.html#ga0409e288f07b697cb6885d1002df0bd6">std::make_pair</a>(__begin1, __begin2);</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  __lengths = <span class="keyword">new</span> _DifferenceType[__num_threads];</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  } <span class="comment">//single</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"> 393</span>  <a class="code" href="a01575.html#a05e502e51bfc3233671730f74a44dc6a">_ThreadIndex</a> __iam = omp_get_thread_num();</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>  <span class="comment">// _Result from multiseq_partition.</span></div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  _IIter __offset[2];</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keyword">const</span> _DifferenceType __rank = __borders[__iam + 1];</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>  <a class="code" href="a01575.html#ade1f4c5da0794c4f1a09465d4aee6c1d">multiseq_partition</a>(__sequence, __sequence + 2,</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  __rank, __offset, __op._M_comp);</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span> </div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="comment">// allowed to read?</span></div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="comment">// together</span></div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="comment">// *(__offset[ 0 ] - 1) == *__offset[ 1 ]</span></div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordflow">if</span> (__offset[ 0 ] != __begin1 && __offset[1] != __end2</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  && !__op._M_comp(*(__offset[0] - 1), *__offset[1])</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  && !__op._M_comp(*__offset[1], *(__offset[0] - 1)))</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="comment">// Avoid split between globally equal elements: move one to</span></div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="comment">// front in first sequence.</span></div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  --__offset[0];</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  }</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>  _IteratorPair __block_end = __block_begins[__iam + 1] =</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  _IteratorPair(__offset[0], __offset[1]);</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span> </div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="comment">// Make sure all threads have their block_begin result written out.</span></div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="preprocessor"># pragma omp barrier</span></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>  _IteratorPair __block_begin = __block_begins[__iam];</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>  <span class="comment">// Begin working for the first block, while the others except</span></div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="comment">// the last start to count.</span></div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span> (__iam == 0)</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  {</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="comment">// The first thread can copy already.</span></div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  __lengths[ __iam ] =</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  __op._M_invoke(__block_begin.first, __block_end.first,</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  __block_begin.second, __block_end.second,</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  __result) - __result;</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  {</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  __lengths[ __iam ] =</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  __op.__count(__block_begin.first, __block_end.first,</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  __block_begin.second, __block_end.second);</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  }</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span> </div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="comment">// Make sure everyone wrote their lengths.</span></div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="preprocessor"># pragma omp barrier</span></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>  _OutputIterator __r = __result;</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span> </div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keywordflow">if</span> (__iam == 0)</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  {</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="comment">// Do the last block.</span></div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">for</span> (<a class="code" href="a01575.html#a05e502e51bfc3233671730f74a44dc6a">_ThreadIndex</a> __i = 0; __i < __num_threads; ++__i)</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  __r += __lengths[__i];</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span> </div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  __block_begin = __block_begins[__num_threads];</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span> </div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="comment">// Return the result iterator of the last block.</span></div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  __return_value =</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  __op._M_invoke(__block_begin.first, __end1,</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  __block_begin.second, __end2, __r);</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span> </div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  }</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  {</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="keywordflow">for</span> (<a class="code" href="a01575.html#a05e502e51bfc3233671730f74a44dc6a">_ThreadIndex</a> __i = 0; __i < __iam; ++__i)</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  __r += __lengths[ __i ];</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span> </div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="comment">// Reset begins for copy pass.</span></div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  __op._M_invoke(__block_begin.first, __block_end.first,</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  __block_begin.second, __block_end.second, __r);</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  }</div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  }</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">return</span> __return_value;</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</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="keyword">template</span><<span class="keyword">typename</span> _IIter,</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keyword">typename</span> _OutputIterator,</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keyword">typename</span> _Compare></div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keyword">inline</span> _OutputIterator</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  __parallel_set_union(_IIter __begin1, _IIter __end1,</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  _IIter __begin2, _IIter __end2,</div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  _OutputIterator __result, _Compare __comp)</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  {</div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">return</span> __parallel_set_operation(__begin1, __end1, __begin2, __end2,</div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  __result,</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  __union_func< _IIter, _OutputIterator,</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  _Compare>(__comp));</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> </div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _IIter,</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keyword">typename</span> _OutputIterator,</div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keyword">typename</span> _Compare></div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keyword">inline</span> _OutputIterator</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  __parallel_set_intersection(_IIter __begin1, _IIter __end1,</div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  _IIter __begin2, _IIter __end2,</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  _OutputIterator __result, _Compare __comp)</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  {</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">return</span> __parallel_set_operation(__begin1, __end1, __begin2, __end2,</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  __result,</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  __intersection_func<_IIter,</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  _OutputIterator, _Compare>(__comp));</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> </div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _IIter,</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keyword">typename</span> _OutputIterator,</div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keyword">typename</span> _Compare></div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keyword">inline</span> _OutputIterator</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  __parallel_set_difference(_IIter __begin1, _IIter __end1,</div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  _IIter __begin2, _IIter __end2,</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  _OutputIterator __result, _Compare __comp)</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  {</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">return</span> __parallel_set_operation(__begin1, __end1, __begin2, __end2,</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  __result,</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  __difference_func<_IIter,</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  _OutputIterator, _Compare>(__comp));</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  }</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span> </div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _IIter,</div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="keyword">typename</span> _OutputIterator,</div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keyword">typename</span> _Compare></div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keyword">inline</span> _OutputIterator</div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  __parallel_set_symmetric_difference(_IIter __begin1, _IIter __end1,</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  _IIter __begin2, _IIter __end2,</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  _OutputIterator __result,</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  _Compare __comp)</div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  {</div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keywordflow">return</span> __parallel_set_operation(__begin1, __end1, __begin2, __end2,</div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  __result,</div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  __symmetric_difference_func<_IIter,</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  _OutputIterator, _Compare>(__comp));</div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  }</div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span> }</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span> </div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <span class="preprocessor">#endif </span><span class="comment">/* _GLIBCXX_PARALLEL_SET_OPERATIONS_H */</span><span class="preprocessor"></span></div><div class="ttc" id="a07767_html"><div class="ttname"><a href="a07767.html">std::pair</a></div><div class="ttdoc">Struct holding two objects of arbitrary type.</div><div class="ttdef"><b>Definition:</b> <a href="a00572_source.html#l00208">stl_pair.h:208</a></div></div>
<div class="ttc" id="a00962_html"><div class="ttname"><a href="a00962.html">settings.h</a></div><div class="ttdoc">Runtime settings and tuning parameters, heuristics to decide whether to use parallelized algorithms....</div></div>
<div class="ttc" id="a01575_html_ade1f4c5da0794c4f1a09465d4aee6c1d"><div class="ttname"><a href="a01575.html#ade1f4c5da0794c4f1a09465d4aee6c1d">__gnu_parallel::multiseq_partition</a></div><div class="ttdeci">void multiseq_partition(_RanSeqs __begin_seqs, _RanSeqs __end_seqs, _RankType __rank, _RankIterator __begin_offsets, _Compare __comp=std::less< typename std::iterator_traits< typename std::iterator_traits< _RanSeqs >::value_type::first_type >::value_type >())</div><div class="ttdoc">Splits several sorted sequences at a certain global __rank, resulting in a splitting point for each s...</div><div class="ttdef"><b>Definition:</b> <a href="a00914_source.html#l00122">multiseq_selection.h:122</a></div></div>
<div class="ttc" id="a01480_html_ga0409e288f07b697cb6885d1002df0bd6"><div class="ttname"><a href="a01480.html#ga0409e288f07b697cb6885d1002df0bd6">std::make_pair</a></div><div class="ttdeci">constexpr pair< typename __decay_and_strip< _T1 >::__type, typename __decay_and_strip< _T2 >::__type > make_pair(_T1 &&__x, _T2 &&__y)</div><div class="ttdoc">A convenience wrapper for creating a pair from two objects.</div><div class="ttdef"><b>Definition:</b> <a href="a00572_source.html#l00524">stl_pair.h:524</a></div></div>
<div class="ttc" id="a01575_html_ac799255921e70b0378d145924d673f9c"><div class="ttname"><a href="a01575.html#ac799255921e70b0378d145924d673f9c">__gnu_parallel::__equally_split</a></div><div class="ttdeci">_OutputIterator __equally_split(_DifferenceType __n, _ThreadIndex __num_threads, _OutputIterator __s)</div><div class="ttdoc">function to split a sequence into parts of almost equal size.</div><div class="ttdef"><b>Definition:</b> <a href="a00884_source.html#l00048">equally_split.h:48</a></div></div>
<div class="ttc" id="a00881_html_a77fb93c9cecec331ccee755972695128"><div class="ttname"><a href="a00881.html#a77fb93c9cecec331ccee755972695128">_GLIBCXX_CALL</a></div><div class="ttdeci">#define _GLIBCXX_CALL(__n)</div><div class="ttdoc">Macro to produce log message when entering a function.</div><div class="ttdef"><b>Definition:</b> <a href="a00881_source.html#l00044">compiletime_settings.h:44</a></div></div>
<div class="ttc" id="a00914_html"><div class="ttname"><a href="a00914.html">multiseq_selection.h</a></div><div class="ttdoc">Functions to find elements of a certain global __rank in multiple sorted sequences....</div></div>
<div class="ttc" id="a01485_html_gad48656de2f272a953455e1fff2532125"><div class="ttname"><a href="a01485.html#gad48656de2f272a953455e1fff2532125">std::min</a></div><div class="ttdeci">_GLIBCXX14_CONSTEXPR const _Tp & min(const _Tp &, const _Tp &)</div><div class="ttdoc">This does what you think it does.</div><div class="ttdef"><b>Definition:</b> <a href="a00530_source.html#l00195">stl_algobase.h:195</a></div></div>
<div class="ttc" id="a01575_html"><div class="ttname"><a href="a01575.html">__gnu_parallel</a></div><div class="ttdoc">GNU parallel code for public use.</div><div class="ttdef"><b>Definition:</b> <a href="a00872_source.html#l00061">balanced_quicksort.h:61</a></div></div>
<div class="ttc" id="a07767_html_a198b03cffc037835dc1dc01c926ce251"><div class="ttname"><a href="a07767.html#a198b03cffc037835dc1dc01c926ce251">std::pair::first</a></div><div class="ttdeci">_T1 first</div><div class="ttdoc">second_type is the second bound type</div><div class="ttdef"><b>Definition:</b> <a href="a00572_source.html#l00214">stl_pair.h:214</a></div></div>
<div class="ttc" id="a07767_html_a91179413226db12e66346d3673b7835f"><div class="ttname"><a href="a07767.html#a91179413226db12e66346d3673b7835f">std::pair::second</a></div><div class="ttdeci">_T2 second</div><div class="ttdoc">first is a copy of the first object</div><div class="ttdef"><b>Definition:</b> <a href="a00572_source.html#l00215">stl_pair.h:215</a></div></div>
<div class="ttc" id="a01575_html_a05e502e51bfc3233671730f74a44dc6a"><div class="ttname"><a href="a01575.html#a05e502e51bfc3233671730f74a44dc6a">__gnu_parallel::_ThreadIndex</a></div><div class="ttdeci">uint16_t _ThreadIndex</div><div class="ttdoc">Unsigned integer to index a thread number. The maximum thread number (for each processor) must fit in...</div><div class="ttdef"><b>Definition:</b> <a href="a00971_source.html#l00123">types.h:123</a></div></div>
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