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<a href="a00638.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// The template and inlines for the -*- C++ -*- internal _Array helper class.</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;</div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// Copyright (C) 1997-2018 Free Software Foundation, Inc.</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<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>&#160;<span class="comment">// software; you can redistribute it and/or modify it under the</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">// terms of the GNU General Public License as published by the</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// Free Software Foundation; either version 3, or (at your option)</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">// any later version.</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">// This library is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">// GNU General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<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>&#160;<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>&#160;<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>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment">// &lt;http://www.gnu.org/licenses/&gt;.</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment">/** @file bits/valarray_array.tcc</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> *  This is an internal header file, included by other library headers.</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> *  Do not attempt to use it directly. @headername{valarray}</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment">// Written by Gabriel Dos Reis &lt;Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#ifndef _VALARRAY_ARRAY_TCC</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#define _VALARRAY_ARRAY_TCC 1</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="keyword">namespace </span><a class="code" href="a01541.html">std</a> _GLIBCXX_VISIBILITY(default)</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;{</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;_GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> _Tp&gt;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    <span class="keywordtype">void</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    __valarray_fill(_Array&lt;_Tp&gt; __a, <span class="keywordtype">size_t</span> __n, _Array&lt;bool&gt; __m,</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;                    <span class="keyword">const</span> _Tp&amp; __t)</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    {</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;      _Tp* __p = __a._M_data;</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;      <span class="keywordtype">bool</span>* __ok (__m._M_data);</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __i=0; __i &lt; __n; ++__i, ++__ok, ++__p)</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        {</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;          <span class="keywordflow">while</span> (!*__ok)</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;          {</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;            ++__ok;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;            ++__p;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;          }</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;          *__p = __t;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        }</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    }</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;  <span class="comment">// Copy n elements of a into consecutive elements of b.  When m is</span></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;  <span class="comment">// false, the corresponding element of a is skipped.  m must contain</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;  <span class="comment">// at least n true elements.  a must contain at least n elements and</span></div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;  <span class="comment">// enough elements to match up with m through the nth true element</span></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;  <span class="comment">// of m.  I.e.  if n is 10, m has 15 elements with 5 false followed</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;  <span class="comment">// by 10 true, a must have 15 elements.</span></div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> _Tp&gt;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <span class="keywordtype">void</span></div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    __valarray_copy(_Array&lt;_Tp&gt; __a, _Array&lt;bool&gt; __m, _Array&lt;_Tp&gt; __b,</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;                    <span class="keywordtype">size_t</span> __n)</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    {</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;      _Tp* __p (__a._M_data);</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;      <span class="keywordtype">bool</span>* __ok (__m._M_data);</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;      <span class="keywordflow">for</span> (_Tp* __q = __b._M_data; __q &lt; __b._M_data + __n;</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;           ++__q, ++__ok, ++__p)</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        {</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;          <span class="keywordflow">while</span> (! *__ok)</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;            {</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;              ++__ok;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;              ++__p;</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;            }</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;          *__q = *__p;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        }</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    }</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;  <span class="comment">// Copy n consecutive elements from a into elements of b.  Elements</span></div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;  <span class="comment">// of b are skipped if the corresponding element of m is false.  m</span></div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;  <span class="comment">// must contain at least n true elements.  b must have at least as</span></div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;  <span class="comment">// many elements as the index of the nth true element of m.  I.e. if</span></div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;  <span class="comment">// m has 15 elements with 5 false followed by 10 true, b must have</span></div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;  <span class="comment">// at least 15 elements.</span></div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> _Tp&gt;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="keywordtype">void</span></div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    __valarray_copy(_Array&lt;_Tp&gt; __a, <span class="keywordtype">size_t</span> __n, _Array&lt;_Tp&gt; __b,</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;                    _Array&lt;bool&gt; __m)</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    {</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;      _Tp* __q (__b._M_data);</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;      <span class="keywordtype">bool</span>* __ok (__m._M_data);</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;      <span class="keywordflow">for</span> (_Tp* __p = __a._M_data; __p &lt; __a._M_data+__n;</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;           ++__p, ++__ok, ++__q)</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        {</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;          <span class="keywordflow">while</span> (! *__ok)</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;            {</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;              ++__ok;</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;              ++__q;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;            }</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;          *__q = *__p;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        }</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    }</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;  <span class="comment">// Copy n elements from a into elements of b.  Elements of a are</span></div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;  <span class="comment">// skipped if the corresponding element of m is false.  Elements of</span></div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;  <span class="comment">// b are skipped if the corresponding element of k is false.  m and</span></div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;  <span class="comment">// k must contain at least n true elements.  a and b must have at</span></div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;  <span class="comment">// least as many elements as the index of the nth true element of m.</span></div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> _Tp&gt;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    <span class="keywordtype">void</span></div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    __valarray_copy(_Array&lt;_Tp&gt; __a, _Array&lt;bool&gt; __m, <span class="keywordtype">size_t</span> __n,</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;                    _Array&lt;_Tp&gt; __b, _Array&lt;bool&gt; __k)</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    {</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;      _Tp* __p (__a._M_data);</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;      _Tp* __q (__b._M_data);</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;      <span class="keywordtype">bool</span>* __srcok (__m._M_data);</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;      <span class="keywordtype">bool</span>* __dstok (__k._M_data);</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __i = 0; __i &lt; __n;</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;           ++__srcok, ++__p, ++__dstok, ++__q, ++__i)</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        {</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;          <span class="keywordflow">while</span> (! *__srcok)</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;            {</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;              ++__srcok;</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;              ++__p;</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;            }</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;          <span class="keywordflow">while</span> (! *__dstok) </div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;            {</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;              ++__dstok;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;              ++__q;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;            }</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;          *__q = *__p;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;        }</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    }</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;  <span class="comment">// Copy n consecutive elements of e into consecutive elements of a.</span></div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;  <span class="comment">// I.e. a[i] = e[i].</span></div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> _Tp, <span class="keyword">class</span> _Dom&gt;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    <span class="keywordtype">void</span></div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    __valarray_copy(<span class="keyword">const</span> _Expr&lt;_Dom, _Tp&gt;&amp; __e, <span class="keywordtype">size_t</span> __n, _Array&lt;_Tp&gt; __a)</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    {</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;      _Tp* __p (__a._M_data);</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __i = 0; __i &lt; __n; ++__i, ++__p)</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        *__p = __e[__i];</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    }</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;  <span class="comment">// Copy n consecutive elements of e into elements of a using stride</span></div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;  <span class="comment">// s.  I.e., a[0] = e[0], a[s] = e[1], a[2*s] = e[2].</span></div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> _Tp, <span class="keyword">class</span> _Dom&gt;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    <span class="keywordtype">void</span></div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    __valarray_copy(<span class="keyword">const</span> _Expr&lt;_Dom, _Tp&gt;&amp; __e, <span class="keywordtype">size_t</span> __n,</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;                     _Array&lt;_Tp&gt; __a, <span class="keywordtype">size_t</span> __s)</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    {</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;      _Tp* __p (__a._M_data);</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __i = 0; __i &lt; __n; ++__i, __p += __s)</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;        *__p = __e[__i];</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;    }</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;  <span class="comment">// Copy n consecutive elements of e into elements of a indexed by</span></div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;  <span class="comment">// contents of i.  I.e., a[i[0]] = e[0].</span></div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> _Tp, <span class="keyword">class</span> _Dom&gt;</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    <span class="keywordtype">void</span></div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    __valarray_copy(<span class="keyword">const</span> _Expr&lt;_Dom, _Tp&gt;&amp; __e, <span class="keywordtype">size_t</span> __n,</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;                    _Array&lt;_Tp&gt; __a, _Array&lt;size_t&gt; __i)</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    {</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;      <span class="keywordtype">size_t</span>* __j (__i._M_data);</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __k = 0; __k &lt; __n; ++__k, ++__j)</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        __a._M_data[*__j] = __e[__k];</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    }</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;  <span class="comment">// Copy n elements of e indexed by contents of f into elements of a</span></div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;  <span class="comment">// indexed by contents of i.  I.e., a[i[0]] = e[f[0]].</span></div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> _Tp&gt;</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    <span class="keywordtype">void</span></div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    __valarray_copy(_Array&lt;_Tp&gt; __e, _Array&lt;size_t&gt; __f,</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;                    <span class="keywordtype">size_t</span> __n, </div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;                    _Array&lt;_Tp&gt; __a, _Array&lt;size_t&gt; __i)</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    {</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;      <span class="keywordtype">size_t</span>* __g (__f._M_data);</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;      <span class="keywordtype">size_t</span>* __j (__i._M_data);</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __k = 0; __k &lt; __n; ++__k, ++__j, ++__g) </div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;        __a._M_data[*__j] = __e._M_data[*__g];</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    }</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;  <span class="comment">// Copy n consecutive elements of e into elements of a.  Elements of</span></div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;  <span class="comment">// a are skipped if the corresponding element of m is false.  m must</span></div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;  <span class="comment">// have at least n true elements and a must have at least as many</span></div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;  <span class="comment">// elements as the index of the nth true element of m.  I.e. if m</span></div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;  <span class="comment">// has 5 false followed by 10 true elements and n == 10, a must have</span></div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;  <span class="comment">// at least 15 elements.</span></div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> _Tp, <span class="keyword">class</span> _Dom&gt;</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    <span class="keywordtype">void</span></div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    __valarray_copy(<span class="keyword">const</span> _Expr&lt;_Dom, _Tp&gt;&amp; __e, <span class="keywordtype">size_t</span> __n,</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;                    _Array&lt;_Tp&gt; __a, _Array&lt;bool&gt; __m)</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    {</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;      <span class="keywordtype">bool</span>* __ok (__m._M_data);</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;      _Tp* __p (__a._M_data);</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __i = 0; __i &lt; __n; ++__i, ++__ok, ++__p)</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;        {</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;          <span class="keywordflow">while</span> (! *__ok)</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;            {</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;              ++__ok;</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;              ++__p;</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;            }</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;          *__p = __e[__i];</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        }</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    }</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> _Tp, <span class="keyword">class</span> _Dom&gt;</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    <span class="keywordtype">void</span></div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    __valarray_copy_construct(<span class="keyword">const</span> _Expr&lt;_Dom, _Tp&gt;&amp; __e, <span class="keywordtype">size_t</span> __n,</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;                              _Array&lt;_Tp&gt; __a)</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    {</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;      _Tp* __p (__a._M_data);</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> __i = 0; __i &lt; __n; ++__i, ++__p)</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;        <span class="keyword">new</span> (__p) _Tp(__e[__i]);</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    }</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> _Tp&gt;</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;    <span class="keywordtype">void</span></div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    __valarray_copy_construct(_Array&lt;_Tp&gt; __a, _Array&lt;bool&gt; __m,</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;                              _Array&lt;_Tp&gt; __b, <span class="keywordtype">size_t</span> __n)</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    {</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;      _Tp* __p (__a._M_data);</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;      <span class="keywordtype">bool</span>* __ok (__m._M_data);</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;      <span class="keywordflow">for</span> (_Tp* __q = __b._M_data; __q &lt; __b._M_data+__n; ++__q, ++__ok, ++__p)</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;        {</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;          <span class="keywordflow">while</span> (! *__ok)</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;            {</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;              ++__ok;</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;              ++__p;</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;            }</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;          <span class="keyword">new</span> (__q) _Tp(*__p);</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;        }</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    }</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;_GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;} <span class="comment">// namespace</span></div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* _VALARRAY_ARRAY_TCC */</span><span class="preprocessor"></span></div><div class="ttc" id="a01541_html"><div class="ttname"><a href="a01541.html">std</a></div><div class="ttdoc">ISO C++ entities toplevel namespace is std.</div></div>
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