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<a href="a00416.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">// The template and inlines for the -*- C++ -*- mask_array class.</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) 1997-2018 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</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <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> <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> <span class="comment">// any later 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,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <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> <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> <span class="comment">// GNU 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">/** @file bits/mask_array.h</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <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> <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> <span class="comment"> */</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr></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="preprocessor">#ifndef _MASK_ARRAY_H</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#define _MASK_ARRAY_H 1</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#pragma GCC system_header</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="keyword">namespace </span><a class="code" href="a01541.html">std</a> _GLIBCXX_VISIBILITY(default)</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> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> /**</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * @addtogroup numeric_arrays</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> */</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> /**</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * @brief Reference to selected subset of an array.</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> *</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * A mask_array is a reference to the actual elements of an array specified</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * by a bitmask in the form of an array of bool. The way to get a</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * mask_array is to call operator[](valarray<bool>) on a valarray. The</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * returned mask_array then permits carrying operations out on the</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * referenced subset of elements in the original valarray.</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> *</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * For example, if a mask_array is obtained using the array (false, true,</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * false, true) as an argument, the mask array has two elements referring</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * to array[1] and array[3] in the underlying array.</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> *</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> * @param Tp Element type.</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> */</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">template</span> <<span class="keyword">class</span> _Tp></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">class </span>mask_array</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>  <span class="keyword">public</span>:</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">typedef</span> _Tp value_type;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// 253. valarray helper functions are almost entirely useless</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"></span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> /// Copy constructor. Both slices refer to the same underlying array.</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"></span> <a class="code" href="a01481.html#ga63910750064214d819524e634cdaebfa">mask_array</a> (<span class="keyword">const</span> mask_array&);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment"></span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> /// Assignment operator. Assigns elements to corresponding elements</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> /// of @a a.</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"></span> <a class="code" href="a01481.html#ga63910750064214d819524e634cdaebfa">mask_array</a>& <a class="code" href="a01481.html#gac8928f66422bd3601fcf43b79761abd5">operator=</a>(<span class="keyword">const</span> mask_array&);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">void</span> <a class="code" href="a01481.html#gac8928f66422bd3601fcf43b79761abd5">operator=</a>(<span class="keyword">const</span> valarray<_Tp>&) <span class="keyword">const</span>;<span class="comment"></span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> /// Multiply slice elements by corresponding elements of @a v.</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a01481.html#ga1878d8ab7ea54a42bbd783172af8a8c2">operator*=</a>(<span class="keyword">const</span> valarray<_Tp>&) <span class="keyword">const</span>;<span class="comment"></span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> /// Divide slice elements by corresponding elements of @a v.</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a01481.html#gac1417dfc58271e6730675e151cd3dd06">operator/=</a>(<span class="keyword">const</span> valarray<_Tp>&) <span class="keyword">const</span>;<span class="comment"></span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> /// Modulo slice elements by corresponding elements of @a v.</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a01481.html#gaa321a7c18f23aae720cdd059ea38fcc2">operator%=</a>(<span class="keyword">const</span> valarray<_Tp>&) <span class="keyword">const</span>;<span class="comment"></span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> /// Add corresponding elements of @a v to slice elements.</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a01481.html#ga3cd7a0e7c02e60936993f2f8d85d7e14">operator+=</a>(<span class="keyword">const</span> valarray<_Tp>&) <span class="keyword">const</span>;<span class="comment"></span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> /// Subtract corresponding elements of @a v from slice elements.</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a01481.html#ga7e8b4e636a4ccb6a93f289308d2d6c7e">operator-=</a>(<span class="keyword">const</span> valarray<_Tp>&) <span class="keyword">const</span>;<span class="comment"></span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"> /// Logical xor slice elements with corresponding elements of @a v.</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a01481.html#gab7b73360db81555ebc04e3c482a94857">operator^=</a>(<span class="keyword">const</span> valarray<_Tp>&) <span class="keyword">const</span>;<span class="comment"></span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> /// Logical and slice elements with corresponding elements of @a v.</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a01481.html#ga3da168c115d8c3667b2f8c1d0d85fc84">operator&=</a>(<span class="keyword">const</span> valarray<_Tp>&) <span class="keyword">const</span>;<span class="comment"></span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"> /// Logical or slice elements with corresponding elements of @a v.</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a01481.html#ga684708f251addb2566756f4d2eedee36">operator|=</a>(<span class="keyword">const</span> valarray<_Tp>&) <span class="keyword">const</span>;<span class="comment"></span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> /// Left shift slice elements by corresponding elements of @a v.</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a01481.html#gadc9fb4be42ab111a8b17efc9480006c7">operator<<=</a>(<span class="keyword">const</span> valarray<_Tp>&) <span class="keyword">const</span>;<span class="comment"></span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"> /// Right shift slice elements by corresponding elements of @a v.</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a01481.html#ga87f02d439b80dd0d351ae9f827c4f77e">operator>>=</a>(<span class="keyword">const</span> valarray<_Tp>&) <span class="keyword">const</span>;<span class="comment"></span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> /// Assign all slice elements to @a t.</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a01481.html#gac8928f66422bd3601fcf43b79761abd5">operator=</a>(<span class="keyword">const</span> _Tp&) <span class="keyword">const</span>;</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>  <span class="comment">// ~mask_array ();</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">template</span><<span class="keyword">class</span> _Dom></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">void</span> <a class="code" href="a01481.html#gac8928f66422bd3601fcf43b79761abd5">operator=</a>(<span class="keyword">const</span> _Expr<_Dom,_Tp>&) <span class="keyword">const</span>;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">template</span><<span class="keyword">class</span> _Dom></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">void</span> <a class="code" href="a01481.html#ga1878d8ab7ea54a42bbd783172af8a8c2">operator*=</a>(<span class="keyword">const</span> _Expr<_Dom,_Tp>&) <span class="keyword">const</span>;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">template</span><<span class="keyword">class</span> _Dom></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">void</span> <a class="code" href="a01481.html#gac1417dfc58271e6730675e151cd3dd06">operator/=</a>(<span class="keyword">const</span> _Expr<_Dom,_Tp>&) <span class="keyword">const</span>;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">template</span><<span class="keyword">class</span> _Dom></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">void</span> <a class="code" href="a01481.html#gaa321a7c18f23aae720cdd059ea38fcc2">operator%=</a>(<span class="keyword">const</span> _Expr<_Dom,_Tp>&) <span class="keyword">const</span>;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">template</span><<span class="keyword">class</span> _Dom></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">void</span> <a class="code" href="a01481.html#ga3cd7a0e7c02e60936993f2f8d85d7e14">operator+=</a>(<span class="keyword">const</span> _Expr<_Dom,_Tp>&) <span class="keyword">const</span>;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">template</span><<span class="keyword">class</span> _Dom></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">void</span> <a class="code" href="a01481.html#ga7e8b4e636a4ccb6a93f289308d2d6c7e">operator-=</a>(<span class="keyword">const</span> _Expr<_Dom,_Tp>&) <span class="keyword">const</span>;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">template</span><<span class="keyword">class</span> _Dom></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">void</span> <a class="code" href="a01481.html#gab7b73360db81555ebc04e3c482a94857">operator^=</a>(<span class="keyword">const</span> _Expr<_Dom,_Tp>&) <span class="keyword">const</span>;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">template</span><<span class="keyword">class</span> _Dom></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">void</span> <a class="code" href="a01481.html#ga3da168c115d8c3667b2f8c1d0d85fc84">operator&=</a>(<span class="keyword">const</span> _Expr<_Dom,_Tp>&) <span class="keyword">const</span>;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">template</span><<span class="keyword">class</span> _Dom></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">void</span> <a class="code" href="a01481.html#ga684708f251addb2566756f4d2eedee36">operator|=</a>(<span class="keyword">const</span> _Expr<_Dom,_Tp>&) <span class="keyword">const</span>;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">template</span><<span class="keyword">class</span> _Dom></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordtype">void</span> <a class="code" href="a01481.html#gadc9fb4be42ab111a8b17efc9480006c7">operator<<=</a>(<span class="keyword">const</span> _Expr<_Dom,_Tp>&) <span class="keyword">const</span>;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">template</span><<span class="keyword">class</span> _Dom></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">void</span> <a class="code" href="a01481.html#ga87f02d439b80dd0d351ae9f827c4f77e">operator>>=</a>(<span class="keyword">const</span> _Expr<_Dom,_Tp>&) <span class="keyword">const</span>;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="a01481.html#ga63910750064214d819524e634cdaebfa">mask_array</a>(_Array<_Tp>, <span class="keywordtype">size_t</span>, _Array<bool>);</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">friend</span> <span class="keyword">class </span>valarray<_Tp>;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> _M_sz;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">const</span> _Array<bool> _M_mask;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">const</span> _Array<_Tp> _M_array;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// not implemented</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="a01481.html#ga63910750064214d819524e634cdaebfa">mask_array</a>();</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  };</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="a01481.html#ga63910750064214d819524e634cdaebfa"> 139</a></span>  <span class="keyword">inline</span> <a class="code" href="a04611.html">mask_array<_Tp>::mask_array</a>(<span class="keyword">const</span> <a class="code" href="a04611.html">mask_array<_Tp></a>& __a)</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  : _M_sz(__a._M_sz), _M_mask(__a._M_mask), _M_array(__a._M_array) {}</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> _Tp></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">inline</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="a04611.html">mask_array<_Tp>::mask_array</a>(_Array<_Tp> __a, <span class="keywordtype">size_t</span> __s, _Array<bool> __m)</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  : _M_sz(__s), _M_mask(__m), _M_array(__a) {}</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">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">inline</span> mask_array<_Tp>&</div><div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="a01481.html#gac8928f66422bd3601fcf43b79761abd5"> 149</a></span>  <a class="code" href="a01481.html#gac8928f66422bd3601fcf43b79761abd5">mask_array<_Tp>::operator=</a>(<span class="keyword">const</span> <a class="code" href="a04611.html">mask_array<_Tp></a>& __a)</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>  std::__valarray_copy(__a._M_array, __a._M_mask,</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  _M_sz, _M_array, _M_mask);</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</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> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="a01481.html#ga2af95af73e734b394322ec304e1b73f2"> 158</a></span>  <a class="code" href="a01481.html#gac8928f66422bd3601fcf43b79761abd5">mask_array<_Tp>::operator=</a>(<span class="keyword">const</span> _Tp& __t)<span class="keyword"> const</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="keyword"> </span>{ std::__valarray_fill(_M_array, _M_sz, _M_mask, __t); }</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="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <a class="code" href="a01481.html#gac8928f66422bd3601fcf43b79761abd5">mask_array<_Tp>::operator=</a>(<span class="keyword">const</span> <a class="code" href="a04599.html">valarray<_Tp></a>& __v)<span class="keyword"> const</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="keyword"> </span>{ std::__valarray_copy(_Array<_Tp>(__v), __v.<a class="code" href="a01481.html#ga351ffb24ad6654f7f5f8b10731fc8c95">size</a>(), _M_array, _M_mask); }</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">template</span><<span class="keyword">class</span> _Ex></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="code" href="a01481.html#gac8928f66422bd3601fcf43b79761abd5">mask_array<_Tp>::operator=</a>(<span class="keyword">const</span> _Expr<_Ex, _Tp>& __e)<span class="keyword"> const</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="keyword"> </span>{ std::__valarray_copy(__e, __e.size(), _M_array, _M_mask); }</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor">#undef _DEFINE_VALARRAY_OPERATOR</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="preprocessor">#define _DEFINE_VALARRAY_OPERATOR(_Op, _Name) \</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="preprocessor"> template<typename _Tp> \</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="preprocessor"> inline void \</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="preprocessor"> mask_array<_Tp>::operator _Op##=(const valarray<_Tp>& __v) const \</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="preprocessor"> _Array_augmented_##_Name(_M_array, _M_mask, \</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="preprocessor"> _Array<_Tp>(__v), __v.size()); \</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor"> } \</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor"> \</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor"> template<typename _Tp> \</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor"> template<class _Dom> \</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor"> inline void \</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor"> mask_array<_Tp>::operator _Op##=(const _Expr<_Dom, _Tp>& __e) const\</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor"> _Array_augmented_##_Name(_M_array, _M_mask, __e, __e.size()); \</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor"> }</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div><div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="a01481.html#ga1878d8ab7ea54a42bbd783172af8a8c2"> 190</a></span> _DEFINE_VALARRAY_OPERATOR(*, __multiplies)</div><div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="a01481.html#gac1417dfc58271e6730675e151cd3dd06"> 191</a></span> _DEFINE_VALARRAY_OPERATOR(/, __divides)</div><div class="line"><a name="l00192"></a><span class="lineno"><a class="line" href="a01481.html#gaa321a7c18f23aae720cdd059ea38fcc2"> 192</a></span> _DEFINE_VALARRAY_OPERATOR(%, __modulus)</div><div class="line"><a name="l00193"></a><span class="lineno"><a class="line" href="a01481.html#ga3cd7a0e7c02e60936993f2f8d85d7e14"> 193</a></span> _DEFINE_VALARRAY_OPERATOR(+, __plus)</div><div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="a01481.html#ga7e8b4e636a4ccb6a93f289308d2d6c7e"> 194</a></span> _DEFINE_VALARRAY_OPERATOR(-, __minus)</div><div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="a01481.html#gab7b73360db81555ebc04e3c482a94857"> 195</a></span> _DEFINE_VALARRAY_OPERATOR(^, __bitwise_xor)</div><div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="a01481.html#ga3da168c115d8c3667b2f8c1d0d85fc84"> 196</a></span> _DEFINE_VALARRAY_OPERATOR(&, __bitwise_and)</div><div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="a01481.html#ga684708f251addb2566756f4d2eedee36"> 197</a></span> _DEFINE_VALARRAY_OPERATOR(|, __bitwise_or)</div><div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="a01481.html#gadc9fb4be42ab111a8b17efc9480006c7"> 198</a></span> _DEFINE_VALARRAY_OPERATOR(<<, __shift_left)</div><div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="a01481.html#ga87f02d439b80dd0d351ae9f827c4f77e"> 199</a></span> _DEFINE_VALARRAY_OPERATOR(>>, __shift_right)</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="preprocessor">#undef _DEFINE_VALARRAY_OPERATOR</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">// @} group numeric_arrays</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor">#endif </span><span class="comment">/* _MASK_ARRAY_H */</span><span class="preprocessor"></span></div><div class="ttc" id="a01481_html_ga7e8b4e636a4ccb6a93f289308d2d6c7e"><div class="ttname"><a href="a01481.html#ga7e8b4e636a4ccb6a93f289308d2d6c7e">std::mask_array::operator-=</a></div><div class="ttdeci">void operator-=(const valarray< _Tp > &) const</div><div class="ttdoc">Subtract corresponding elements of v from slice elements.</div><div class="ttdef"><b>Definition:</b> <a href="a00416_source.html#l00194">mask_array.h:194</a></div></div>
<div class="ttc" id="a01481_html_ga684708f251addb2566756f4d2eedee36"><div class="ttname"><a href="a01481.html#ga684708f251addb2566756f4d2eedee36">std::mask_array::operator|=</a></div><div class="ttdeci">void operator|=(const valarray< _Tp > &) const</div><div class="ttdoc">Logical or slice elements with corresponding elements of v.</div><div class="ttdef"><b>Definition:</b> <a href="a00416_source.html#l00197">mask_array.h:197</a></div></div>
<div class="ttc" id="a01481_html_gaa321a7c18f23aae720cdd059ea38fcc2"><div class="ttname"><a href="a01481.html#gaa321a7c18f23aae720cdd059ea38fcc2">std::mask_array::operator%=</a></div><div class="ttdeci">void operator%=(const valarray< _Tp > &) const</div><div class="ttdoc">Modulo slice elements by corresponding elements of v.</div><div class="ttdef"><b>Definition:</b> <a href="a00416_source.html#l00192">mask_array.h:192</a></div></div>
<div class="ttc" id="a01481_html_ga351ffb24ad6654f7f5f8b10731fc8c95"><div class="ttname"><a href="a01481.html#ga351ffb24ad6654f7f5f8b10731fc8c95">std::valarray::size</a></div><div class="ttdeci">size_t size() const</div><div class="ttdoc">Return the number of elements in array.</div><div class="ttdef"><b>Definition:</b> <a href="a00179_source.html#l00926">valarray:926</a></div></div>
<div class="ttc" id="a01481_html_ga87f02d439b80dd0d351ae9f827c4f77e"><div class="ttname"><a href="a01481.html#ga87f02d439b80dd0d351ae9f827c4f77e">std::mask_array::operator>>=</a></div><div class="ttdeci">void operator>>=(const valarray< _Tp > &) const</div><div class="ttdoc">Right shift slice elements by corresponding elements of v.</div><div class="ttdef"><b>Definition:</b> <a href="a00416_source.html#l00199">mask_array.h:199</a></div></div>
<div class="ttc" id="a01481_html_ga3da168c115d8c3667b2f8c1d0d85fc84"><div class="ttname"><a href="a01481.html#ga3da168c115d8c3667b2f8c1d0d85fc84">std::mask_array::operator&=</a></div><div class="ttdeci">void operator&=(const valarray< _Tp > &) const</div><div class="ttdoc">Logical and slice elements with corresponding elements of v.</div><div class="ttdef"><b>Definition:</b> <a href="a00416_source.html#l00196">mask_array.h:196</a></div></div>
<div class="ttc" id="a01481_html_ga3cd7a0e7c02e60936993f2f8d85d7e14"><div class="ttname"><a href="a01481.html#ga3cd7a0e7c02e60936993f2f8d85d7e14">std::mask_array::operator+=</a></div><div class="ttdeci">void operator+=(const valarray< _Tp > &) const</div><div class="ttdoc">Add corresponding elements of v to slice elements.</div><div class="ttdef"><b>Definition:</b> <a href="a00416_source.html#l00193">mask_array.h:193</a></div></div>
<div class="ttc" id="a04599_html"><div class="ttname"><a href="a04599.html">std::valarray</a></div><div class="ttdoc">Smart array designed to support numeric processing.</div><div class="ttdef"><b>Definition:</b> <a href="a00179_source.html#l00078">valarray:78</a></div></div>
<div class="ttc" id="a01481_html_gadc9fb4be42ab111a8b17efc9480006c7"><div class="ttname"><a href="a01481.html#gadc9fb4be42ab111a8b17efc9480006c7">std::mask_array::operator<<=</a></div><div class="ttdeci">void operator<<=(const valarray< _Tp > &) const</div><div class="ttdoc">Left shift slice elements by corresponding elements of v.</div><div class="ttdef"><b>Definition:</b> <a href="a00416_source.html#l00198">mask_array.h:198</a></div></div>
<div class="ttc" id="a01481_html_gac1417dfc58271e6730675e151cd3dd06"><div class="ttname"><a href="a01481.html#gac1417dfc58271e6730675e151cd3dd06">std::mask_array::operator/=</a></div><div class="ttdeci">void operator/=(const valarray< _Tp > &) const</div><div class="ttdoc">Divide slice elements by corresponding elements of v.</div><div class="ttdef"><b>Definition:</b> <a href="a00416_source.html#l00191">mask_array.h:191</a></div></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>
<div class="ttc" id="a01481_html_ga63910750064214d819524e634cdaebfa"><div class="ttname"><a href="a01481.html#ga63910750064214d819524e634cdaebfa">std::mask_array::mask_array</a></div><div class="ttdeci">mask_array(const mask_array &)</div><div class="ttdoc">Copy constructor. Both slices refer to the same underlying array.</div><div class="ttdef"><b>Definition:</b> <a href="a00416_source.html#l00139">mask_array.h:139</a></div></div>
<div class="ttc" id="a01481_html_ga1878d8ab7ea54a42bbd783172af8a8c2"><div class="ttname"><a href="a01481.html#ga1878d8ab7ea54a42bbd783172af8a8c2">std::mask_array::operator*=</a></div><div class="ttdeci">void operator*=(const valarray< _Tp > &) const</div><div class="ttdoc">Multiply slice elements by corresponding elements of v.</div><div class="ttdef"><b>Definition:</b> <a href="a00416_source.html#l00190">mask_array.h:190</a></div></div>
<div class="ttc" id="a01481_html_gab7b73360db81555ebc04e3c482a94857"><div class="ttname"><a href="a01481.html#gab7b73360db81555ebc04e3c482a94857">std::mask_array::operator^=</a></div><div class="ttdeci">void operator^=(const valarray< _Tp > &) const</div><div class="ttdoc">Logical xor slice elements with corresponding elements of v.</div><div class="ttdef"><b>Definition:</b> <a href="a00416_source.html#l00195">mask_array.h:195</a></div></div>
<div class="ttc" id="a01481_html_gac8928f66422bd3601fcf43b79761abd5"><div class="ttname"><a href="a01481.html#gac8928f66422bd3601fcf43b79761abd5">std::mask_array::operator=</a></div><div class="ttdeci">mask_array & operator=(const mask_array &)</div><div class="ttdoc">Assignment operator. Assigns elements to corresponding elements of a.</div><div class="ttdef"><b>Definition:</b> <a href="a00416_source.html#l00149">mask_array.h:149</a></div></div>
<div class="ttc" id="a04611_html"><div class="ttname"><a href="a04611.html">std::mask_array</a></div><div class="ttdoc">Reference to selected subset of an array.</div><div class="ttdef"><b>Definition:</b> <a href="a00179_source.html#l00083">valarray:83</a></div></div>
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