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<a href="detail_2integer__sort_8hpp.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">// Details for templated Spreadsort-based integer_sort.</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 Steven J. Ross 2001 - 2014.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// Distributed under the Boost Software License, Version 1.0.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">//    (See accompanying file LICENSE_1_0.txt or copy at</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">//          http://www.boost.org/LICENSE_1_0.txt)</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// See http://www.boost.org/libs/sort for library home page.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">Some improvements suggested by:</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">Phil Endecott and Frank Gennari</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#ifndef BOOST_SORT_SPREADSORT_DETAIL_INTEGER_SORT_HPP</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#define BOOST_SORT_SPREADSORT_DETAIL_INTEGER_SORT_HPP</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &lt;limits&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &lt;functional&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;boost/static_assert.hpp&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;boost/serialization/static_warning.hpp&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &lt;boost/utility/enable_if.hpp&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="constants_8hpp.html">boost/sort/spreadsort/detail/constants.hpp</a>&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="spreadsort__common_8hpp.html">boost/sort/spreadsort/detail/spreadsort_common.hpp</a>&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &lt;boost/cstdint.hpp&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment">//! \cond DETAIL</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceboost.html">boost</a> {</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="keyword">namespace </span>sort {</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;  <span class="keyword">namespace </span>detail {</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    <span class="comment">// Return true if the list is sorted.  Otherwise, find the minimum and</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    <span class="comment">// maximum using &lt;.</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class</span> RandomAccessIter&gt;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">bool</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a8aaa1645892e6f6845455605b48a5d0e">is_sorted_or_find_extremes</a>(RandomAccessIter current, RandomAccessIter last,</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;                               RandomAccessIter &amp; max, RandomAccessIter &amp; min)</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    {</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;      min = max = current;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;      <span class="comment">//This assumes we have more than 1 element based on prior checks.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;      <span class="keywordflow">while</span> (!(*(current + 1) &lt; *current)) {</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        <span class="comment">//If everything is in sorted order, return</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        <span class="keywordflow">if</span> (++current == last - 1)</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;          <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;      }</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="comment">//The maximum is the last sorted element</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;      max = current;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;      <span class="comment">//Start from the first unsorted element</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;      <span class="keywordflow">while</span> (++current &lt; last) {</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <span class="keywordflow">if</span> (*max &lt; *current)</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;          max = current;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*current &lt; *min)</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;          min = current;</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="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    }</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="comment">// Return true if the list is sorted.  Otherwise, find the minimum and</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="comment">// maximum.</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="comment">// Use a user-defined comparison operator</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class</span> RandomAccessIter, <span class="keyword">class</span> Compare&gt;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">bool</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a8aaa1645892e6f6845455605b48a5d0e">is_sorted_or_find_extremes</a>(RandomAccessIter current, RandomAccessIter last,</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;                RandomAccessIter &amp; max, RandomAccessIter &amp; min, Compare comp)</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;      min = max = current;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;      <span class="keywordflow">while</span> (!comp(*(current + 1), *current)) {</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        <span class="comment">//If everything is in sorted order, return</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        <span class="keywordflow">if</span> (++current == last - 1)</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;          <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;      }</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;      <span class="comment">//The maximum is the last sorted element</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;      max = current;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;      <span class="keywordflow">while</span> (++current &lt; last) {</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <span class="keywordflow">if</span> (comp(*max, *current))</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;          max = current;</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (comp(*current, *min))</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;          min = current;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;      }</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;      <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    }</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <span class="comment">//Gets a non-negative right bit shift to operate as a logarithmic divisor</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="keyword">template</span>&lt;<span class="keywordtype">unsigned</span> log_mean_bin_size&gt;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    get_log_divisor(<span class="keywordtype">size_t</span> count, <span class="keywordtype">int</span> log_range)</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    {</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;      <span class="keywordtype">int</span> log_divisor;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;      <span class="comment">//If we can finish in one iteration without exceeding either</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;      <span class="comment">//(2 to the max_finishing_splits) or n bins, do so</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;      <span class="keywordflow">if</span> ((log_divisor = log_range - <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a852a51cde62aa67347cb9b4a7350bbac">rough_log_2_size</a>(count)) &lt;= 0 &amp;&amp;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;         log_range &lt;= <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907acfdc43b3d7aa6df69b0f6982918056c7">max_finishing_splits</a>)</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        log_divisor = 0;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;      <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        <span class="comment">//otherwise divide the data into an optimized number of pieces</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        log_divisor += log_mean_bin_size;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <span class="comment">//Cannot exceed max_splits or cache misses slow down bin lookups</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        <span class="keywordflow">if</span> ((log_range - log_divisor) &gt; <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a17b216febe1b5e8212a80231592fc9d9">max_splits</a>)</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;          log_divisor = log_range - <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a17b216febe1b5e8212a80231592fc9d9">max_splits</a>;</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;      }</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;      <span class="keywordflow">return</span> log_divisor;</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">//Implementation for recursive integer sorting</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class</span> RandomAccessIter, <span class="keyword">class</span> Div_type, <span class="keyword">class</span> Size_type&gt;</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    spreadsort_rec(RandomAccessIter first, RandomAccessIter last,</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;              std::vector&lt;RandomAccessIter&gt; &amp;bin_cache, <span class="keywordtype">unsigned</span> cache_offset</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;              , <span class="keywordtype">size_t</span> *bin_sizes)</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    {</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;      <span class="comment">//This step is roughly 10% of runtime, but it helps avoid worst-case</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;      <span class="comment">//behavior and improve behavior with real data</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;      <span class="comment">//If you know the maximum and minimum ahead of time, you can pass those</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;      <span class="comment">//values in and skip this step for the first iteration</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;      RandomAccessIter max, min;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;      <span class="keywordflow">if</span> (<a class="code" href="namespaceboost_1_1sort_1_1detail.html#a8aaa1645892e6f6845455605b48a5d0e">is_sorted_or_find_extremes</a>(first, last, max, min))</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;      RandomAccessIter * target_bin;</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;      <span class="keywordtype">unsigned</span> log_divisor = get_log_divisor&lt;int_log_mean_bin_size&gt;(</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;          last - first, <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a852a51cde62aa67347cb9b4a7350bbac">rough_log_2_size</a>(Size_type((*max &gt;&gt; 0) - (*min &gt;&gt; 0))));</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;      Div_type div_min = *min &gt;&gt; log_divisor;</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;      Div_type div_max = *max &gt;&gt; log_divisor;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;      <span class="keywordtype">unsigned</span> bin_count = unsigned(div_max - div_min) + 1;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;      <span class="keywordtype">unsigned</span> cache_end;</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;      RandomAccessIter * bins =</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        <a class="code" href="namespaceboost_1_1sort_1_1detail.html#ad5b7d31fba809eae5d17f5c2fb0a385b">size_bins</a>(bin_sizes, bin_cache, cache_offset, cache_end, bin_count);</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;      <span class="comment">//Calculating the size of each bin; this takes roughly 10% of runtime</span></div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;      <span class="keywordflow">for</span> (RandomAccessIter current = first; current != last;)</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;        bin_sizes[<span class="keywordtype">size_t</span>((*(current++) &gt;&gt; log_divisor) - div_min)]++;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;      <span class="comment">//Assign the bin positions</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;      bins[0] = first;</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> u = 0; u &lt; bin_count - 1; u++)</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;        bins[u + 1] = bins[u] + bin_sizes[u];</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;      RandomAccessIter nextbinstart = first;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;      <span class="comment">//Swap into place</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;      <span class="comment">//This dominates runtime, mostly in the swap and bin lookups</span></div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> u = 0; u &lt; bin_count - 1; ++u) {</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        RandomAccessIter * local_bin = bins + u;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        nextbinstart += bin_sizes[u];</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        <span class="comment">//Iterating over each element in this bin</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        <span class="keywordflow">for</span> (RandomAccessIter current = *local_bin; current &lt; nextbinstart;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;            ++current) {</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;          <span class="comment">//Swapping elements in current into place until the correct</span></div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;          <span class="comment">//element has been swapped in</span></div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;          <span class="keywordflow">for</span> (target_bin = (bins + ((*current &gt;&gt; log_divisor) - div_min));</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;              target_bin != local_bin;</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;            target_bin = bins + ((*current &gt;&gt; log_divisor) - div_min)) {</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;            <span class="comment">//3-way swap; this is about 1% faster than a 2-way swap</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;            <span class="comment">//The main advantage is less copies are involved per item</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;            <span class="comment">//put in the correct place</span></div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;            <span class="keyword">typename</span> std::iterator_traits&lt;RandomAccessIter&gt;::value_type tmp;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;            RandomAccessIter b = (*target_bin)++;</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;            RandomAccessIter * b_bin = bins + ((*b &gt;&gt; log_divisor) - div_min);</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;            <span class="keywordflow">if</span> (b_bin != local_bin) {</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;              RandomAccessIter c = (*b_bin)++;</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;              tmp = *c;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;              *c = *b;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;            }</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;              tmp = *b;</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;            *b = *current;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;            *current = tmp;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;          }</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        }</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        *local_bin = nextbinstart;</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;      bins[bin_count - 1] = last;</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;      <span class="comment">//If we&#39;ve bucketsorted, the array is sorted and we should skip recursion</span></div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;      <span class="keywordflow">if</span> (!log_divisor)</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;      <span class="comment">//log_divisor is the remaining range; calculating the comparison threshold</span></div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;      <span class="keywordtype">size_t</span> max_count =</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a4ba5c57512d16f300c08b7a6b4e6ff23">get_min_count</a>&lt;<a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a2e171c91f6c9e1d82643e4b35a4c65de">int_log_mean_bin_size</a>, <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a53383c14d73d50ed8faaa695d820a5bf">int_log_min_split_count</a>,</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;                      <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907ae0c3ec0c116b92c92015245fd5024a27">int_log_finishing_count</a>&gt;(log_divisor);</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;      <span class="comment">//Recursing</span></div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;      RandomAccessIter lastPos = first;</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> u = cache_offset; u &lt; cache_end; lastPos = bin_cache[u],</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;          ++u) {</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;        Size_type count = bin_cache[u] - lastPos;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        <span class="comment">//don&#39;t sort unless there are at least two items to Compare</span></div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        <span class="keywordflow">if</span> (count &lt; 2)</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;          <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        <span class="comment">//using std::sort if its worst-case is better</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;        <span class="keywordflow">if</span> (count &lt; max_count)</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;          std::sort(lastPos, bin_cache[u]);</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;          spreadsort_rec&lt;RandomAccessIter, Div_type, Size_type&gt;(lastPos,</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;                                                                 bin_cache[u],</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;                                                                 bin_cache,</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;                                                                 cache_end,</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;                                                                 bin_sizes);</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;      }</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;    }</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="comment">//Generic bitshift-based 3-way swapping code</span></div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class</span> RandomAccessIter, <span class="keyword">class</span> Div_type, <span class="keyword">class</span> Right_shift&gt;</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">void</span> inner_swap_loop(RandomAccessIter * bins,</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;      <span class="keyword">const</span> RandomAccessIter &amp; next_bin_start, <span class="keywordtype">unsigned</span> ii, Right_shift &amp;rshift</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;      , <span class="keyword">const</span> <span class="keywordtype">unsigned</span> log_divisor, <span class="keyword">const</span> Div_type div_min)</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    {</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;      RandomAccessIter * local_bin = bins + ii;</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;      <span class="keywordflow">for</span> (RandomAccessIter current = *local_bin; current &lt; next_bin_start;</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;          ++current) {</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;        <span class="keywordflow">for</span> (RandomAccessIter * target_bin =</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;            (bins + (rshift(*current, log_divisor) - div_min));</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;            target_bin != local_bin;</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;            target_bin = bins + (rshift(*current, log_divisor) - div_min)) {</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;          <span class="keyword">typename</span> std::iterator_traits&lt;RandomAccessIter&gt;::value_type tmp;</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;          RandomAccessIter b = (*target_bin)++;</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;          RandomAccessIter * b_bin =</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;            bins + (rshift(*b, log_divisor) - div_min);</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;          <span class="comment">//Three-way swap; if the item to be swapped doesn&#39;t belong</span></div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;          <span class="comment">//in the current bin, swap it to where it belongs</span></div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;          <span class="keywordflow">if</span> (b_bin != local_bin) {</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;            RandomAccessIter c = (*b_bin)++;</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;            tmp = *c;</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;            *c = *b;</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;          }</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;          <span class="comment">//Note: we could increment current once the swap is done in this case</span></div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;          <span class="comment">//but that seems to impair performance</span></div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;          <span class="keywordflow">else</span></div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;            tmp = *b;</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;          *b = *current;</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;          *current = tmp;</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;        }</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;      *local_bin = next_bin_start;</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    }</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="comment">//Standard swapping wrapper for ascending values</span></div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class</span> RandomAccessIter, <span class="keyword">class</span> Div_type, <span class="keyword">class</span> Right_shift&gt;</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">void</span> swap_loop(RandomAccessIter * bins,</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;             RandomAccessIter &amp; next_bin_start, <span class="keywordtype">unsigned</span> ii, Right_shift &amp;rshift</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;             , <span class="keyword">const</span> <span class="keywordtype">size_t</span> *bin_sizes</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;             , <span class="keyword">const</span> <span class="keywordtype">unsigned</span> log_divisor, <span class="keyword">const</span> Div_type div_min)</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;      next_bin_start += bin_sizes[ii];</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;      inner_swap_loop&lt;RandomAccessIter, Div_type, Right_shift&gt;(bins,</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;                              next_bin_start, ii, rshift, log_divisor, div_min);</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    }</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    <span class="comment">//Functor implementation for recursive sorting</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class </span>RandomAccessIter, <span class="keyword">class </span>Div_type, <span class="keyword">class </span>Right_shift,</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;              <span class="keyword">class </span>Compare, <span class="keyword">class </span>Size_type, <span class="keywordtype">unsigned</span> log_mean_bin_size,</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;                <span class="keywordtype">unsigned</span> log_min_split_count, <span class="keywordtype">unsigned</span> log_finishing_count&gt;</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    spreadsort_rec(RandomAccessIter first, RandomAccessIter last,</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;          std::vector&lt;RandomAccessIter&gt; &amp;bin_cache, <span class="keywordtype">unsigned</span> cache_offset</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;          , <span class="keywordtype">size_t</span> *bin_sizes, Right_shift rshift, Compare comp)</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;    {</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;      RandomAccessIter max, min;</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;      <span class="keywordflow">if</span> (<a class="code" href="namespaceboost_1_1sort_1_1detail.html#a8aaa1645892e6f6845455605b48a5d0e">is_sorted_or_find_extremes</a>(first, last, max, min, comp))</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;      <span class="keywordtype">unsigned</span> log_divisor = get_log_divisor&lt;log_mean_bin_size&gt;(last - first,</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;            <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a852a51cde62aa67347cb9b4a7350bbac">rough_log_2_size</a>(Size_type(rshift(*max, 0) - rshift(*min, 0))));</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;      Div_type div_min = rshift(*min, log_divisor);</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;      Div_type div_max = rshift(*max, log_divisor);</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;      <span class="keywordtype">unsigned</span> bin_count = unsigned(div_max - div_min) + 1;</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;      <span class="keywordtype">unsigned</span> cache_end;</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;      RandomAccessIter * bins = <a class="code" href="namespaceboost_1_1sort_1_1detail.html#ad5b7d31fba809eae5d17f5c2fb0a385b">size_bins</a>(bin_sizes, bin_cache, cache_offset,</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;                                          cache_end, bin_count);</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;      <span class="comment">//Calculating the size of each bin</span></div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;      <span class="keywordflow">for</span> (RandomAccessIter current = first; current != last;)</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;        bin_sizes[<span class="keywordtype">unsigned</span>(rshift(*(current++), log_divisor) - div_min)]++;</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;      bins[0] = first;</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> u = 0; u &lt; bin_count - 1; u++)</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;        bins[u + 1] = bins[u] + bin_sizes[u];</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;      <span class="comment">//Swap into place</span></div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;      RandomAccessIter next_bin_start = first;</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> u = 0; u &lt; bin_count - 1; ++u)</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;        swap_loop&lt;RandomAccessIter, Div_type, Right_shift&gt;(bins, next_bin_start,</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;                                  u, rshift, bin_sizes, log_divisor, div_min);</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;      bins[bin_count - 1] = last;</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;      <span class="comment">//If we&#39;ve bucketsorted, the array is sorted</span></div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;      <span class="keywordflow">if</span> (!log_divisor)</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;      <span class="comment">//Recursing</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;      <span class="keywordtype">size_t</span> max_count = <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a4ba5c57512d16f300c08b7a6b4e6ff23">get_min_count</a>&lt;log_mean_bin_size, log_min_split_count,</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;                          log_finishing_count&gt;(log_divisor);</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;      RandomAccessIter lastPos = first;</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> u = cache_offset; u &lt; cache_end; lastPos = bin_cache[u],</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;          ++u) {</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;        <span class="keywordtype">size_t</span> count = bin_cache[u] - lastPos;</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;        <span class="keywordflow">if</span> (count &lt; 2)</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;          <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;        <span class="keywordflow">if</span> (count &lt; max_count)</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;          std::sort(lastPos, bin_cache[u], comp);</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;          spreadsort_rec&lt;RandomAccessIter, Div_type, Right_shift, Compare,</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;        Size_type, log_mean_bin_size, log_min_split_count, log_finishing_count&gt;</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;      (lastPos, bin_cache[u], bin_cache, cache_end, bin_sizes, rshift, comp);</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;      }</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    }</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    <span class="comment">//Functor implementation for recursive sorting with only Shift overridden</span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class </span>RandomAccessIter, <span class="keyword">class </span>Div_type, <span class="keyword">class </span>Right_shift,</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;              <span class="keyword">class </span>Size_type, <span class="keywordtype">unsigned</span> log_mean_bin_size,</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;              <span class="keywordtype">unsigned</span> log_min_split_count, <span class="keywordtype">unsigned</span> log_finishing_count&gt;</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;    spreadsort_rec(RandomAccessIter first, RandomAccessIter last,</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;              std::vector&lt;RandomAccessIter&gt; &amp;bin_cache, <span class="keywordtype">unsigned</span> cache_offset</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;              , <span class="keywordtype">size_t</span> *bin_sizes, Right_shift rshift)</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    {</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;      RandomAccessIter max, min;</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;      <span class="keywordflow">if</span> (<a class="code" href="namespaceboost_1_1sort_1_1detail.html#a8aaa1645892e6f6845455605b48a5d0e">is_sorted_or_find_extremes</a>(first, last, max, min))</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;      <span class="keywordtype">unsigned</span> log_divisor = get_log_divisor&lt;log_mean_bin_size&gt;(last - first,</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;            <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a852a51cde62aa67347cb9b4a7350bbac">rough_log_2_size</a>(Size_type(rshift(*max, 0) - rshift(*min, 0))));</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;      Div_type div_min = rshift(*min, log_divisor);</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;      Div_type div_max = rshift(*max, log_divisor);</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;      <span class="keywordtype">unsigned</span> bin_count = unsigned(div_max - div_min) + 1;</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;      <span class="keywordtype">unsigned</span> cache_end;</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;      RandomAccessIter * bins = <a class="code" href="namespaceboost_1_1sort_1_1detail.html#ad5b7d31fba809eae5d17f5c2fb0a385b">size_bins</a>(bin_sizes, bin_cache, cache_offset,</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;                                          cache_end, bin_count);</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;      <span class="comment">//Calculating the size of each bin</span></div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;      <span class="keywordflow">for</span> (RandomAccessIter current = first; current != last;)</div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;        bin_sizes[<span class="keywordtype">unsigned</span>(rshift(*(current++), log_divisor) - div_min)]++;</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;      bins[0] = first;</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> u = 0; u &lt; bin_count - 1; u++)</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;        bins[u + 1] = bins[u] + bin_sizes[u];</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;      <span class="comment">//Swap into place</span></div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;      RandomAccessIter nextbinstart = first;</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> ii = 0; ii &lt; bin_count - 1; ++ii)</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;        swap_loop&lt;RandomAccessIter, Div_type, Right_shift&gt;(bins, nextbinstart,</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;                                ii, rshift, bin_sizes, log_divisor, div_min);</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;      bins[bin_count - 1] = last;</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;      <span class="comment">//If we&#39;ve bucketsorted, the array is sorted</span></div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;      <span class="keywordflow">if</span> (!log_divisor)</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;      <span class="comment">//Recursing</span></div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;      <span class="keywordtype">size_t</span> max_count = <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a4ba5c57512d16f300c08b7a6b4e6ff23">get_min_count</a>&lt;log_mean_bin_size, log_min_split_count,</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;                          log_finishing_count&gt;(log_divisor);</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;      RandomAccessIter lastPos = first;</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> u = cache_offset; u &lt; cache_end; lastPos = bin_cache[u],</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;          ++u) {</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;        <span class="keywordtype">size_t</span> count = bin_cache[u] - lastPos;</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;        <span class="keywordflow">if</span> (count &lt; 2)</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;          <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;        <span class="keywordflow">if</span> (count &lt; max_count)</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;          std::sort(lastPos, bin_cache[u]);</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;          spreadsort_rec&lt;RandomAccessIter, Div_type, Right_shift, Size_type,</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;          log_mean_bin_size, log_min_split_count, log_finishing_count&gt;(lastPos,</div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;                      bin_cache[u], bin_cache, cache_end, bin_sizes, rshift);</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;      }</div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    }</div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;    <span class="comment">//Holds the bin vector and makes the initial recursive call</span></div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class</span> RandomAccessIter, <span class="keyword">class</span> Div_type&gt;</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;    <span class="comment">//Only use spreadsort if the integer can fit in a size_t</span></div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;    <span class="keyword">inline</span> <span class="keyword">typename</span> boost::enable_if_c&lt; <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(<span class="keywordtype">size_t</span>),</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;                                                            <span class="keywordtype">void</span> &gt;::type</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;    <a class="code" href="namespaceboost_1_1sort.html#ae6ffbcf932699589fd2b93879f209013">integer_sort</a>(RandomAccessIter first, RandomAccessIter last, Div_type)</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;    {</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;      <span class="keywordtype">size_t</span> bin_sizes[1 &lt;&lt; <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907acfdc43b3d7aa6df69b0f6982918056c7">max_finishing_splits</a>];</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;      std::vector&lt;RandomAccessIter&gt; bin_cache;</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;      spreadsort_rec&lt;RandomAccessIter, Div_type, size_t&gt;(first, last,</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;          bin_cache, 0, bin_sizes);</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;    }</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;    <span class="comment">//Holds the bin vector and makes the initial recursive call</span></div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class</span> RandomAccessIter, <span class="keyword">class</span> Div_type&gt;</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;    <span class="comment">//Only use spreadsort if the integer can fit in a uintmax_t</span></div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;    <span class="keyword">inline</span> <span class="keyword">typename</span> boost::enable_if_c&lt; (sizeof(Div_type) &gt; <span class="keyword">sizeof</span>(size_t))</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;      &amp;&amp; <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(boost::uintmax_t), <span class="keywordtype">void</span> &gt;::type</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;    <a class="code" href="namespaceboost_1_1sort.html#ae6ffbcf932699589fd2b93879f209013">integer_sort</a>(RandomAccessIter first, RandomAccessIter last, Div_type)</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;    {</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;      <span class="keywordtype">size_t</span> bin_sizes[1 &lt;&lt; <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907acfdc43b3d7aa6df69b0f6982918056c7">max_finishing_splits</a>];</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;      std::vector&lt;RandomAccessIter&gt; bin_cache;</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;      spreadsort_rec&lt;RandomAccessIter, Div_type, boost::uintmax_t&gt;(first,</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;          last, bin_cache, 0, bin_sizes);</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;    }</div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class</span> RandomAccessIter, <span class="keyword">class</span> Div_type&gt;</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;    <span class="keyword">inline</span> <span class="keyword">typename</span> boost::disable_if_c&lt; <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(<span class="keywordtype">size_t</span>)</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;      || <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(boost::uintmax_t), <span class="keywordtype">void</span> &gt;::type</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;    <span class="comment">//defaulting to std::sort when integer_sort won&#39;t work</span></div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;    <a class="code" href="namespaceboost_1_1sort.html#ae6ffbcf932699589fd2b93879f209013">integer_sort</a>(RandomAccessIter first, RandomAccessIter last, Div_type)</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;    {</div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;      <span class="comment">//Warning that we&#39;re using std::sort, even though integer_sort was called</span></div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;      BOOST_STATIC_WARNING( <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(<span class="keywordtype">size_t</span>) );</div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;      std::sort(first, last);</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;    }</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;    <span class="comment">//Same for the full functor version</span></div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class </span>RandomAccessIter, <span class="keyword">class </span>Div_type, <span class="keyword">class </span>Right_shift,</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;              <span class="keyword">class </span>Compare&gt;</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;    <span class="comment">//Only use spreadsort if the integer can fit in a size_t</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;    <span class="keyword">inline</span> <span class="keyword">typename</span> boost::enable_if_c&lt; <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(<span class="keywordtype">size_t</span>),</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;                                 <span class="keywordtype">void</span> &gt;::type</div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;    <a class="code" href="namespaceboost_1_1sort.html#ae6ffbcf932699589fd2b93879f209013">integer_sort</a>(RandomAccessIter first, RandomAccessIter last, Div_type,</div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;                Right_shift shift, Compare comp)</div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;    {</div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;      <span class="keywordtype">size_t</span> bin_sizes[1 &lt;&lt; <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907acfdc43b3d7aa6df69b0f6982918056c7">max_finishing_splits</a>];</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;      std::vector&lt;RandomAccessIter&gt; bin_cache;</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;      spreadsort_rec&lt;RandomAccessIter, Div_type, Right_shift, Compare,</div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;          size_t, <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a2e171c91f6c9e1d82643e4b35a4c65de">int_log_mean_bin_size</a>, <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a53383c14d73d50ed8faaa695d820a5bf">int_log_min_split_count</a>,</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;                        <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907ae0c3ec0c116b92c92015245fd5024a27">int_log_finishing_count</a>&gt;</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;          (first, last, bin_cache, 0, bin_sizes, shift, comp);</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;    }</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;</div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class </span>RandomAccessIter, <span class="keyword">class </span>Div_type, <span class="keyword">class </span>Right_shift,</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;              <span class="keyword">class </span>Compare&gt;</div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;    <span class="comment">//Only use spreadsort if the integer can fit in a uintmax_t</span></div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;    <span class="keyword">inline</span> <span class="keyword">typename</span> boost::enable_if_c&lt; (sizeof(Div_type) &gt; <span class="keyword">sizeof</span>(size_t))</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;      &amp;&amp; <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(boost::uintmax_t), <span class="keywordtype">void</span> &gt;::type</div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;    <a class="code" href="namespaceboost_1_1sort.html#ae6ffbcf932699589fd2b93879f209013">integer_sort</a>(RandomAccessIter first, RandomAccessIter last, Div_type,</div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;                Right_shift shift, Compare comp)</div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;    {</div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;      <span class="keywordtype">size_t</span> bin_sizes[1 &lt;&lt; <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907acfdc43b3d7aa6df69b0f6982918056c7">max_finishing_splits</a>];</div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;      std::vector&lt;RandomAccessIter&gt; bin_cache;</div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;      spreadsort_rec&lt;RandomAccessIter, Div_type, Right_shift, Compare,</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;                        boost::uintmax_t, <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a2e171c91f6c9e1d82643e4b35a4c65de">int_log_mean_bin_size</a>,</div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;                        <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a53383c14d73d50ed8faaa695d820a5bf">int_log_min_split_count</a>, <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907ae0c3ec0c116b92c92015245fd5024a27">int_log_finishing_count</a>&gt;</div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;          (first, last, bin_cache, 0, bin_sizes, shift, comp);</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;    }</div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;</div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class </span>RandomAccessIter, <span class="keyword">class </span>Div_type, <span class="keyword">class </span>Right_shift,</div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;              <span class="keyword">class </span>Compare&gt;</div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;    <span class="keyword">inline</span> <span class="keyword">typename</span> boost::disable_if_c&lt; <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(<span class="keywordtype">size_t</span>)</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;      || <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(boost::uintmax_t), <span class="keywordtype">void</span> &gt;::type</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;    <span class="comment">//defaulting to std::sort when integer_sort won&#39;t work</span></div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;    <a class="code" href="namespaceboost_1_1sort.html#ae6ffbcf932699589fd2b93879f209013">integer_sort</a>(RandomAccessIter first, RandomAccessIter last, Div_type,</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;                Right_shift shift, Compare comp)</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;    {</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;      <span class="comment">//Warning that we&#39;re using std::sort, even though integer_sort was called</span></div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;      BOOST_STATIC_WARNING( <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(<span class="keywordtype">size_t</span>) );</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;      std::sort(first, last, comp);</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;    }</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;</div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;    <span class="comment">//Same for the right shift version</span></div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class</span> RandomAccessIter, <span class="keyword">class</span> Div_type, <span class="keyword">class</span> Right_shift&gt;</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;    <span class="comment">//Only use spreadsort if the integer can fit in a size_t</span></div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;    <span class="keyword">inline</span> <span class="keyword">typename</span> boost::enable_if_c&lt; <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(<span class="keywordtype">size_t</span>),</div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;                                 <span class="keywordtype">void</span> &gt;::type</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;    <a class="code" href="namespaceboost_1_1sort.html#ae6ffbcf932699589fd2b93879f209013">integer_sort</a>(RandomAccessIter first, RandomAccessIter last, Div_type,</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;                Right_shift shift)</div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;    {</div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;      <span class="keywordtype">size_t</span> bin_sizes[1 &lt;&lt; <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907acfdc43b3d7aa6df69b0f6982918056c7">max_finishing_splits</a>];</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;      std::vector&lt;RandomAccessIter&gt; bin_cache;</div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;      spreadsort_rec&lt;RandomAccessIter, Div_type, Right_shift, size_t,</div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;          <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a2e171c91f6c9e1d82643e4b35a4c65de">int_log_mean_bin_size</a>, <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a53383c14d73d50ed8faaa695d820a5bf">int_log_min_split_count</a>,</div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;                        <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907ae0c3ec0c116b92c92015245fd5024a27">int_log_finishing_count</a>&gt;</div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;          (first, last, bin_cache, 0, bin_sizes, shift);</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;    }</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class</span> RandomAccessIter, <span class="keyword">class</span> Div_type, <span class="keyword">class</span> Right_shift&gt;</div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;    <span class="comment">//Only use spreadsort if the integer can fit in a uintmax_t</span></div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;    <span class="keyword">inline</span> <span class="keyword">typename</span> boost::enable_if_c&lt; (sizeof(Div_type) &gt; <span class="keyword">sizeof</span>(size_t))</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;      &amp;&amp; <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(boost::uintmax_t), <span class="keywordtype">void</span> &gt;::type</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;    <a class="code" href="namespaceboost_1_1sort.html#ae6ffbcf932699589fd2b93879f209013">integer_sort</a>(RandomAccessIter first, RandomAccessIter last, Div_type,</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;                Right_shift shift)</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;    {</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;      <span class="keywordtype">size_t</span> bin_sizes[1 &lt;&lt; <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907acfdc43b3d7aa6df69b0f6982918056c7">max_finishing_splits</a>];</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;      std::vector&lt;RandomAccessIter&gt; bin_cache;</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;      spreadsort_rec&lt;RandomAccessIter, Div_type, Right_shift,</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;                        boost::uintmax_t, <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a2e171c91f6c9e1d82643e4b35a4c65de">int_log_mean_bin_size</a>,</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;                        <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a53383c14d73d50ed8faaa695d820a5bf">int_log_min_split_count</a>, <a class="code" href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907ae0c3ec0c116b92c92015245fd5024a27">int_log_finishing_count</a>&gt;</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;          (first, last, bin_cache, 0, bin_sizes, shift);</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;    }</div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;</div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">class</span> RandomAccessIter, <span class="keyword">class</span> Div_type, <span class="keyword">class</span> Right_shift&gt;</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    <span class="keyword">inline</span> <span class="keyword">typename</span> boost::disable_if_c&lt; <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(<span class="keywordtype">size_t</span>)</div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;      || <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(boost::uintmax_t), <span class="keywordtype">void</span> &gt;::type</div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;    <span class="comment">//defaulting to std::sort when integer_sort won&#39;t work</span></div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;    <a class="code" href="namespaceboost_1_1sort.html#ae6ffbcf932699589fd2b93879f209013">integer_sort</a>(RandomAccessIter first, RandomAccessIter last, Div_type,</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;                Right_shift shift)</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;    {</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;      <span class="comment">//Warning that we&#39;re using std::sort, even though integer_sort was called</span></div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;      BOOST_STATIC_WARNING( <span class="keyword">sizeof</span>(Div_type) &lt;= <span class="keyword">sizeof</span>(<span class="keywordtype">size_t</span>) );</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;      std::sort(first, last);</div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;    }</div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;  }</div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;}</div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;}<span class="comment"></span></div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;<span class="comment">//! \endcond</span></div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;</div>
<div class="ttc" id="namespaceboost_1_1sort_html_ae6ffbcf932699589fd2b93879f209013"><div class="ttname"><a href="namespaceboost_1_1sort.html#ae6ffbcf932699589fd2b93879f209013">boost::sort::integer_sort</a></div><div class="ttdeci">void integer_sort(RandomAccessIter first, RandomAccessIter last)</div><div class="ttdoc">Integer sort algorithm using random access iterators. (All variants fall back to std::sort if the dat...</div><div class="ttdef"><b>Definition:</b> integer_sort.hpp:78</div></div>
<div class="ttc" id="namespaceboost_html"><div class="ttname"><a href="namespaceboost.html">boost</a></div><div class="ttdef"><b>Definition:</b> constants.hpp:11</div></div>
<div class="ttc" id="namespaceboost_1_1sort_1_1detail_html_a7bbd2027f75936442318063f34953907ae0c3ec0c116b92c92015245fd5024a27"><div class="ttname"><a href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907ae0c3ec0c116b92c92015245fd5024a27">boost::sort::detail::int_log_finishing_count</a></div><div class="ttdef"><b>Definition:</b> constants.hpp:30</div></div>
<div class="ttc" id="namespaceboost_1_1sort_1_1detail_html_a7bbd2027f75936442318063f34953907acfdc43b3d7aa6df69b0f6982918056c7"><div class="ttname"><a href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907acfdc43b3d7aa6df69b0f6982918056c7">boost::sort::detail::max_finishing_splits</a></div><div class="ttdef"><b>Definition:</b> constants.hpp:22</div></div>
<div class="ttc" id="namespaceboost_1_1sort_1_1detail_html_a4ba5c57512d16f300c08b7a6b4e6ff23"><div class="ttname"><a href="namespaceboost_1_1sort_1_1detail.html#a4ba5c57512d16f300c08b7a6b4e6ff23">boost::sort::detail::get_min_count</a></div><div class="ttdeci">size_t get_min_count(unsigned log_range)</div><div class="ttdef"><b>Definition:</b> spreadsort_common.hpp:51</div></div>
<div class="ttc" id="namespaceboost_1_1sort_1_1detail_html_a7bbd2027f75936442318063f34953907a53383c14d73d50ed8faaa695d820a5bf"><div class="ttname"><a href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a53383c14d73d50ed8faaa695d820a5bf">boost::sort::detail::int_log_min_split_count</a></div><div class="ttdef"><b>Definition:</b> constants.hpp:27</div></div>
<div class="ttc" id="namespaceboost_1_1sort_1_1detail_html_a7bbd2027f75936442318063f34953907a17b216febe1b5e8212a80231592fc9d9"><div class="ttname"><a href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a17b216febe1b5e8212a80231592fc9d9">boost::sort::detail::max_splits</a></div><div class="ttdef"><b>Definition:</b> constants.hpp:19</div></div>
<div class="ttc" id="spreadsort__common_8hpp_html"><div class="ttname"><a href="spreadsort__common_8hpp.html">spreadsort_common.hpp</a></div></div>
<div class="ttc" id="namespaceboost_1_1sort_1_1detail_html_a852a51cde62aa67347cb9b4a7350bbac"><div class="ttname"><a href="namespaceboost_1_1sort_1_1detail.html#a852a51cde62aa67347cb9b4a7350bbac">boost::sort::detail::rough_log_2_size</a></div><div class="ttdeci">unsigned rough_log_2_size(const T &amp;input)</div><div class="ttdef"><b>Definition:</b> spreadsort_common.hpp:34</div></div>
<div class="ttc" id="namespaceboost_1_1sort_1_1detail_html_a8aaa1645892e6f6845455605b48a5d0e"><div class="ttname"><a href="namespaceboost_1_1sort_1_1detail.html#a8aaa1645892e6f6845455605b48a5d0e">boost::sort::detail::is_sorted_or_find_extremes</a></div><div class="ttdeci">bool is_sorted_or_find_extremes(RandomAccessIter current, RandomAccessIter last, Div_type &amp;max, Div_type &amp;min, Right_shift rshift)</div><div class="ttdef"><b>Definition:</b> float_sort.hpp:54</div></div>
<div class="ttc" id="constants_8hpp_html"><div class="ttname"><a href="constants_8hpp.html">constants.hpp</a></div></div>
<div class="ttc" id="namespaceboost_1_1sort_1_1detail_html_ad5b7d31fba809eae5d17f5c2fb0a385b"><div class="ttname"><a href="namespaceboost_1_1sort_1_1detail.html#ad5b7d31fba809eae5d17f5c2fb0a385b">boost::sort::detail::size_bins</a></div><div class="ttdeci">RandomAccessIter * size_bins(size_t *bin_sizes, std::vector&lt; RandomAccessIter &gt; &amp;bin_cache, unsigned cache_offset, unsigned &amp;cache_end, unsigned bin_count)</div><div class="ttdef"><b>Definition:</b> spreadsort_common.hpp:106</div></div>
<div class="ttc" id="namespaceboost_1_1sort_1_1detail_html_a7bbd2027f75936442318063f34953907a2e171c91f6c9e1d82643e4b35a4c65de"><div class="ttname"><a href="namespaceboost_1_1sort_1_1detail.html#a7bbd2027f75936442318063f34953907a2e171c91f6c9e1d82643e4b35a4c65de">boost::sort::detail::int_log_mean_bin_size</a></div><div class="ttdef"><b>Definition:</b> constants.hpp:24</div></div>
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