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<div class="title">gslice.h</div> </div>
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<a href="a01207.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++ -*- gslice 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, 1998, 1999, 2000, 2001, 2004, 2005, 2006, 2009, 2010, </span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// 2011 Free Software Foundation, Inc.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// software; you can redistribute it and/or modify it under the</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// terms of the GNU General Public License as published by the</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// any later version.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// This library is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// GNU General Public License for more details.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// <http://www.gnu.org/licenses/>.</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 bits/gslice.h</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * This is an internal header file, included by other library headers.</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * Do not attempt to use it directly. @headername{valarray}</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#ifndef _GSLICE_H</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="preprocessor">#define _GSLICE_H 1</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#pragma GCC system_header</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>std _GLIBCXX_VISIBILITY(default)</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</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"> /**</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * @addtogroup numeric_arrays</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"> /**</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * @brief Class defining multi-dimensional subset of an array.</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * The slice class represents a multi-dimensional subset of an array,</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * specified by three parameter sets: start offset, size array, and stride</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * array. The start offset is the index of the first element of the array</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * that is part of the subset. The size and stride array describe each</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * dimension of the slice. Size is the number of elements in that</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * dimension, and stride is the distance in the array between successive</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * elements in that dimension. Each dimension's size and stride is taken</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * to begin at an array element described by the previous dimension. The</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> * size array and stride array must be the same size.</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> * For example, if you have offset==3, stride[0]==11, size[1]==3,</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * stride[1]==3, then slice[0,0]==array[3], slice[0,1]==array[6],</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> * slice[0,2]==array[9], slice[1,0]==array[14], slice[1,1]==array[17],</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> * slice[1,2]==array[20].</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="code" href="a00676.html"> 65</a></span>  <span class="keyword">class </span><a class="code" href="a00676.html" title="Class defining multi-dimensional subset of an array.">gslice</a></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="keyword">public</span>:<span class="comment"></span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> /// Construct an empty slice.</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"></span> <a class="code" href="a01644.html#ga2cdeff5f9ecb19bdb80fc3752fdaa733" title="Construct an empty slice.">gslice</a>();</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"></span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"> * @brief Construct a slice.</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> * Constructs a slice with as many dimensions as the length of the @a l</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> * and @a s arrays.</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> * @param __o Offset in array of first element.</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> * @param __l Array of dimension lengths.</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> * @param __s Array of dimension strides between array elements.</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="a01644.html#ga2cdeff5f9ecb19bdb80fc3752fdaa733" title="Construct an empty slice.">gslice</a>(<span class="keywordtype">size_t</span> __o, <span class="keyword">const</span> <a class="code" href="a00956.html">valarray<size_t></a>& __l, </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">const</span> <a class="code" href="a00956.html">valarray<size_t></a>& __s);</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="comment">// XXX: the IS says the copy-ctor and copy-assignment operators are</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// synthesized by the compiler but they are just unsuitable</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// for a ref-counted semantic</span><span class="comment"></span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> /// Copy constructor.</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"></span> <a class="code" href="a01644.html#ga2cdeff5f9ecb19bdb80fc3752fdaa733" title="Construct an empty slice.">gslice</a>(<span class="keyword">const</span> <a class="code" href="a00676.html" title="Class defining multi-dimensional subset of an array.">gslice</a>&);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"></span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> /// Destructor.</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"></span> <a class="code" href="a01644.html#ga1d1f37cf92925a601af3246c55896251" title="Destructor.">~gslice</a>();</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// XXX: See the note above.</span><span class="comment"></span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> /// Assignment operator.</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"></span> <a class="code" href="a00676.html" title="Class defining multi-dimensional subset of an array.">gslice</a>& <a class="code" href="a01644.html#ga59fd646ebf243e99b2063baf37ba91d0" title="Assignment operator.">operator=</a>(<span class="keyword">const</span> <a class="code" href="a00676.html" title="Class defining multi-dimensional subset of an array.">gslice</a>&);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"></span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"> /// Return array offset of first slice element.</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"></span> <span class="keywordtype">size_t</span> <a class="code" href="a01644.html#gac03aae90e55ed30894f1868b3e9accce" title="Return array offset of first slice element.">start</a>() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"></span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"> /// Return array of sizes of slice dimensions.</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"></span> <a class="code" href="a00956.html">valarray<size_t></a> <a class="code" href="a01644.html#ga5854a4d32a1ce043cc8b26cc8d02606b" title="Return array of sizes of slice dimensions.">size</a>() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment"></span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> /// Return array of array strides for each dimension.</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"></span> <a class="code" href="a00956.html">valarray<size_t></a> <a class="code" href="a01644.html#gaf068a1b3201d6be2f864d81c5da54d4d" title="Return array of array strides for each dimension.">stride</a>() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">struct </span>_Indexer</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">size_t</span> _M_count;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">size_t</span> _M_start;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="a00956.html">valarray<size_t></a> _M_size;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="a00956.html">valarray<size_t></a> _M_stride;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="a00956.html">valarray<size_t></a> _M_index; <span class="comment">// Linear array of referenced indices</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  _Indexer()</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  : _M_count(1), _M_start(0), _M_size(), _M_stride(), _M_index() {}</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  _Indexer(<span class="keywordtype">size_t</span>, <span class="keyword">const</span> <a class="code" href="a00956.html">valarray<size_t></a>&,</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">const</span> <a class="code" href="a00956.html">valarray<size_t></a>&);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  _M_increment_use()</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  { ++_M_count; }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">size_t</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  _M_decrement_use()</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  { <span class="keywordflow">return</span> --_M_count; }</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> </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  _Indexer* _M_index;</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>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="a00956.html" title="Smart array designed to support numeric processing.">valarray</a>;</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> </div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">inline</span> <span class="keywordtype">size_t</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"><a class="code" href="a01644.html#gac03aae90e55ed30894f1868b3e9accce"> 136</a></span>  <a class="code" href="a01644.html#gac03aae90e55ed30894f1868b3e9accce" title="Return array offset of first slice element.">gslice::start</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_index ? _M_index->_M_start : 0; }</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">inline</span> <a class="code" href="a00956.html">valarray<size_t></a></div>
<div class="line"><a name="l00140"></a><span class="lineno"><a class="code" href="a01644.html#ga5854a4d32a1ce043cc8b26cc8d02606b"> 140</a></span>  <a class="code" href="a01644.html#ga5854a4d32a1ce043cc8b26cc8d02606b" title="Return array of sizes of slice dimensions.">gslice::size</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_index ? _M_index->_M_size : <a class="code" href="a00956.html">valarray<size_t></a>(); }</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">inline</span> <a class="code" href="a00956.html">valarray<size_t></a></div>
<div class="line"><a name="l00144"></a><span class="lineno"><a class="code" href="a01644.html#gaf068a1b3201d6be2f864d81c5da54d4d"> 144</a></span>  <a class="code" href="a01644.html#gaf068a1b3201d6be2f864d81c5da54d4d" title="Return array of array strides for each dimension.">gslice::stride</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_index ? _M_index->_M_stride : <a class="code" href="a00956.html">valarray<size_t></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="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// 543. valarray slice default constructor</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">inline</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"><a class="code" href="a01644.html#ga2cdeff5f9ecb19bdb80fc3752fdaa733"> 150</a></span>  <a class="code" href="a01644.html#ga2cdeff5f9ecb19bdb80fc3752fdaa733" title="Construct an empty slice.">gslice::gslice</a>()</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  : _M_index(new <a class="code" href="a00676.html" title="Class defining multi-dimensional subset of an array.">gslice</a>::_Indexer()) {}</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>  <span class="keyword">inline</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"><a class="code" href="a01644.html#ga24cbc4afc05cd3354563268960468dab"> 154</a></span>  <a class="code" href="a01644.html#ga2cdeff5f9ecb19bdb80fc3752fdaa733" title="Construct an empty slice.">gslice::gslice</a>(<span class="keywordtype">size_t</span> __o, <span class="keyword">const</span> <a class="code" href="a00956.html">valarray<size_t></a>& __l,</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">const</span> <a class="code" href="a00956.html">valarray<size_t></a>& __s)</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  : _M_index(new <a class="code" href="a00676.html" title="Class defining multi-dimensional subset of an array.">gslice</a>::_Indexer(__o, __l, __s)) {}</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">inline</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"><a class="code" href="a01644.html#ga6d537efe4eac64e1eabe933628b415ce"> 159</a></span>  <a class="code" href="a01644.html#ga2cdeff5f9ecb19bdb80fc3752fdaa733" title="Construct an empty slice.">gslice::gslice</a>(<span class="keyword">const</span> <a class="code" href="a00676.html" title="Class defining multi-dimensional subset of an array.">gslice</a>& __g)</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  : _M_index(__g._M_index)</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  { <span class="keywordflow">if</span> (_M_index) _M_index->_M_increment_use(); }</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>  <span class="keyword">inline</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"><a class="code" href="a01644.html#ga1d1f37cf92925a601af3246c55896251"> 164</a></span>  <a class="code" href="a01644.html#ga1d1f37cf92925a601af3246c55896251" title="Destructor.">gslice::~gslice</a>()</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="keywordflow">if</span> (_M_index && _M_index->_M_decrement_use() == 0)</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">delete</span> _M_index;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">inline</span> <a class="code" href="a00676.html" title="Class defining multi-dimensional subset of an array.">gslice</a>&</div>
<div class="line"><a name="l00171"></a><span class="lineno"><a class="code" href="a01644.html#ga59fd646ebf243e99b2063baf37ba91d0"> 171</a></span>  <a class="code" href="a01644.html#ga59fd646ebf243e99b2063baf37ba91d0" title="Assignment operator.">gslice::operator=</a>(<span class="keyword">const</span> <a class="code" href="a00676.html" title="Class defining multi-dimensional subset of an array.">gslice</a>& __g)</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> (__g._M_index)</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  __g._M_index->_M_increment_use();</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> (_M_index && _M_index->_M_decrement_use() == 0)</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">delete</span> _M_index;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  _M_index = __g._M_index;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// @} group numeric_arrays</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> _GLIBCXX_END_NAMESPACE_VERSION</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> } <span class="comment">// namespace</span></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="preprocessor">#endif </span><span class="comment">/* _GSLICE_H */</span><span class="preprocessor"></span></div>
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