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  50 <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// Copyright 2005-2007 Adobe Systems Incorporated</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</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;<span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#ifndef BOOST_GIL_EXTENSION_DYNAMIC_IMAGE_GIL_REDUCE_HPP</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#define BOOST_GIL_EXTENSION_DYNAMIC_IMAGE_GIL_REDUCE_HPP</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#ifdef BOOST_GIL_DOXYGEN_ONLY</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#undef BOOST_GIL_REDUCE_CODE_BLOAT</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#endif</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">#ifdef BOOST_GIL_REDUCE_CODE_BLOAT</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;boost/gil/extension/dynamic_image/dynamic_at_c.hpp&gt;</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &lt;boost/gil/metafunctions.hpp&gt;</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &lt;boost/gil/typedefs.hpp&gt;</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;boost/mpl/back.hpp&gt;</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &lt;boost/mpl/insert.hpp&gt;</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &lt;boost/mpl/insert_range.hpp&gt;</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;boost/mpl/long.hpp&gt;</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &lt;boost/mpl/logical.hpp&gt;</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &lt;boost/mpl/range_c.hpp&gt;</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;boost/mpl/vector.hpp&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;boost/mpl/vector_c.hpp&gt;</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &lt;boost/mpl/transform.hpp&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment">// Max number of cases in the cross-expension of binary operation for it to be reduced as unary</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#define GIL_BINARY_REDUCE_LIMIT 226</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>mpl {</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment">// Constructs for static-to-dynamic integer convesion</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> SrcTypes, <span class="keyword">typename</span> DstTypes&gt;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="keyword">struct </span>mapping_vector {};</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> SrcTypes, <span class="keyword">typename</span> DstTypes, <span class="keywordtype">long</span> K&gt;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="keyword">struct </span><a class="code" href="group___color_base_model_homogeneous.html#gae2eaf5eecbad94d7dc6432b8f759fba0">at_c</a>&lt;mapping_vector&lt;SrcTypes,DstTypes&gt;, K&gt;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;{</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="keyword">static</span> <span class="keyword">const</span> std::size_t value=size&lt;DstTypes&gt;::value - order&lt;DstTypes, typename gil::at_c&lt;SrcTypes,K&gt;::type&gt;::value +1;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="keyword">using</span> type = size_t&lt;value&gt;;</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="keyword">template</span> &lt;<span class="keyword">typename</span> SrcTypes, <span class="keyword">typename</span> DstTypes&gt;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="keyword">struct </span>size&lt;mapping_vector&lt;SrcTypes,DstTypes&gt;&gt;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;{</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <span class="keyword">using</span> type = <span class="keyword">typename</span> size&lt;SrcTypes&gt;::type;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <span class="keyword">static</span> <span class="keyword">const</span> std::size_t value=type::value;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;};</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="keyword">namespace </span>detail {</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> SFirst, std::<span class="keywordtype">size_t</span> NLeft&gt;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    <span class="keyword">struct </span>copy_to_vector_impl {</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <span class="keyword">private</span>:</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        <span class="keyword">using</span> T = <span class="keyword">typename</span> deref&lt;SFirst&gt;::type;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;        <span class="keyword">using</span> next = <span class="keyword">typename</span> next&lt;SFirst&gt;::type;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        <span class="keyword">using</span> rest = <span class="keyword">typename</span> copy_to_vector_impl&lt;next, NLeft-1&gt;::type;</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        <span class="keyword">using</span> type = <span class="keyword">typename</span> push_front&lt;rest, T&gt;::type;</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;</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> SFirst&gt;</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <span class="keyword">struct </span>copy_to_vector_impl&lt;SFirst,1&gt;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    {</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        <span class="keyword">using</span> type = vector&lt;typename deref&lt;SFirst&gt;::type&gt;;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    };</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;}</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Src&gt;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="keyword">struct </span>copy_to_vector</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;{</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    <span class="keyword">using</span> type = <span class="keyword">typename</span> detail::copy_to_vector_impl&lt;typename begin&lt;Src&gt;::type, size&lt;Src&gt;::value&gt;::type;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;};</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="keyword">template</span> &lt;&gt;</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="keyword">struct </span>copy_to_vector&lt;set&lt;&gt;&gt;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;{</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <span class="keyword">using</span> type = vector0&lt;&gt;;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;};</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;} } <span class="comment">// boost::mpl</span></div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Types, <span class="keyword">typename</span> Op&gt;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="keyword">struct </span>unary_reduce_impl {</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    <span class="keyword">using</span> reduced_t = <span class="keyword">typename</span> mpl::transform&lt;Types, detail::reduce&lt;Op, mpl::_1&gt; &gt;::type;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <span class="keyword">using</span> unique_t = <span class="keyword">typename</span> mpl::copy&lt;reduced_t, mpl::inserter&lt;mpl::set&lt;&gt;, mpl::insert&lt;mpl::_1,mpl::_2&gt;&gt;&gt;::type;</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> is_single=mpl::size&lt;unique_t&gt;::value==1;</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;};</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;template &lt;typename Types, typename Op, bool IsSingle=unary_reduce_impl&lt;Types,Op&gt;::is_single&gt;</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="keyword">struct </span>unary_reduce : <span class="keyword">public</span> unary_reduce_impl&lt;Types,Op&gt;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;{</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    <span class="keyword">using</span> reduced_t = <span class="keyword">typename</span> unary_reduce_impl&lt;Types,Op&gt;::reduced_t;</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="keyword">using</span> unique_t = <span class="keyword">typename</span> unary_reduce_impl&lt;Types,Op&gt;::unique_t;</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <span class="keyword">inline</span> map_index(std::size_t index)</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    {</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        <span class="keyword">using</span> indices_t = <span class="keyword">typename</span> mpl::mapping_vector&lt;reduced_t, unique_t&gt;;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        <span class="keywordflow">return</span> gil::at_c&lt;indices_t, unsigned short&gt;(index);</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    }</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Bits&gt; BOOST_FORCEINLINE <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type applyc(<span class="keyword">const</span> Bits&amp; bits, std::size_t index, Op op) {</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        <span class="keywordflow">return</span> apply_operation_basec&lt;unique_t&gt;(bits,map_index(index),op);</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    }</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Bits&gt; BOOST_FORCEINLINE <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type apply(Bits&amp; bits, std::size_t index, Op op) {</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;        <span class="keywordflow">return</span> apply_operation_base&lt;unique_t&gt;(bits,map_index(index),op);</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    }</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;};</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Types, <span class="keyword">typename</span> Op&gt;</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="keyword">struct </span>unary_reduce&lt;Types,Op,true&gt; : <span class="keyword">public</span> unary_reduce_impl&lt;Types,Op&gt; {</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;    <span class="keyword">using</span> unique_t = <span class="keyword">typename</span> unary_reduce_impl&lt;Types,Op&gt;::unique_t;</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <span class="keyword">inline</span> map_index(std::size_t index) { <span class="keywordflow">return</span> 0; }</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="keyword">template</span> &lt;<span class="keyword">typename</span> Bits&gt; BOOST_FORCEINLINE <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type applyc(<span class="keyword">const</span> Bits&amp; bits, std::size_t index, Op op) {</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;        <span class="keywordflow">return</span> op(*gil_reinterpret_cast_c&lt;<span class="keyword">const</span> <span class="keyword">typename</span> mpl::front&lt;unique_t&gt;::type*&gt;(&amp;bits));</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    }</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Bits&gt; BOOST_FORCEINLINE <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type apply(Bits&amp; bits, std::size_t index, Op op) {</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        <span class="keywordflow">return</span> op(*gil_reinterpret_cast&lt;<span class="keyword">typename</span>       mpl::front&lt;unique_t&gt;::type*&gt;(&amp;bits));</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    }</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;};</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;<span class="keyword">namespace </span>detail {</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    <span class="keyword">struct </span>pair_generator {</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Vec2&gt; <span class="keyword">struct </span>apply</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        {</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;            <span class="keyword">using</span> type = std::pair&lt;const typename mpl::at_c&lt;Vec2,0&gt;::type*, <span class="keyword">const</span> <span class="keyword">typename</span> mpl::at_c&lt;Vec2,1&gt;::type*&gt;;</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        };</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    };</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    <span class="comment">// When the types are not too large, applies reduce on their cross product</span></div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Unary1, <span class="keyword">typename</span> Unary2, <span class="keyword">typename</span> Op, <span class="keywordtype">bool</span> IsComplex&gt;</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    <span class="keyword">struct </span>binary_reduce_impl</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    {</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    <span class="comment">//private:</span></div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;        <span class="keyword">using</span> vec1_types = <span class="keyword">typename</span> mpl::copy_to_vector&lt;typename Unary1::unique_t&gt;::type;</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;        <span class="keyword">using</span> vec2_types = <span class="keyword">typename</span> mpl::copy_to_vector&lt;typename Unary2::unique_t&gt;::type;</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        <span class="keyword">using</span> BIN_TYPES = mpl::cross_vector&lt;mpl::vector2&lt;vec1_types, vec2_types&gt;, pair_generator&gt;;</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;        <span class="keyword">using</span> bin_reduced_t = unary_reduce&lt;BIN_TYPES,Op&gt;;</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;        <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <span class="keyword">inline</span> map_index(std::size_t index1, std::size_t index2) {</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;            <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> r1=Unary1::map_index(index1);</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;            <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> r2=Unary2::map_index(index2);</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;            <span class="keywordflow">return</span> bin_reduced_t::map_index(r2*mpl::size&lt;vec1_types&gt;::value + r1);</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;        }</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        <span class="keyword">using</span> unique_t = <span class="keyword">typename</span> bin_reduced_t::unique_t</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Bits1, <span class="keyword">typename</span> Bits2&gt;</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;        <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type <span class="keyword">inline</span> apply(<span class="keyword">const</span> Bits1&amp; bits1, std::size_t index1, <span class="keyword">const</span> Bits2&amp; bits2, std::size_t index2, Op op) {</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;            std::pair&lt;const void*,const void*&gt; pr(&amp;bits1, &amp;bits2);</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;            <span class="keywordflow">return</span> apply_operation_basec&lt;unique_t&gt;(pr, map_index(index1,index2),op);</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;        }</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    };</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    <span class="comment">// When the types are large performs a double-dispatch. Binary reduction is not done.</span></div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Unary1, <span class="keyword">typename</span> Unary2, <span class="keyword">typename</span> Op&gt;</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    <span class="keyword">struct </span>binary_reduce_impl&lt;Unary1,Unary2,Op,true&gt; {</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Bits1, <span class="keyword">typename</span> Bits2&gt;</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;        <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type <span class="keyword">inline</span> apply(<span class="keyword">const</span> Bits1&amp; bits1, std::size_t index1, <span class="keyword">const</span> Bits2&amp; bits2, std::size_t index2, Op op) {</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;            <span class="keywordflow">return</span> apply_operation_base&lt;Unary1::unique_t,Unary2::unique_t&gt;(bits1, index1, bits2, index2, op);</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;        }</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    };</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;}</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Types1, <span class="keyword">typename</span> Types2, <span class="keyword">typename</span> Op&gt;</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="keyword">struct </span>binary_reduce</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;{</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;<span class="comment">//private:</span></div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    <span class="keyword">using</span> unary1_t = unary_reduce&lt;Types1,Op&gt;;</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    <span class="keyword">using</span> unary2_t = unary_reduce&lt;Types2,Op&gt;;</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    <span class="keyword">static</span> <span class="keyword">const</span> std::size_t CROSS_SIZE = mpl::size&lt;typename unary1_t::unique_t&gt;::value *</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;                                          mpl::size&lt;typename unary2_t::unique_t&gt;::value;</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    <span class="keyword">using</span> impl = detail::binary_reduce_impl&lt;unary1_t,unary2_t,Op, (CROSS_SIZE&gt;GIL_BINARY_REDUCE_LIMIT)&gt;;</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Bits1, <span class="keyword">typename</span> Bits2&gt;</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;    <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type <span class="keyword">inline</span> apply(<span class="keyword">const</span> Bits1&amp; bits1, std::size_t index1, <span class="keyword">const</span> Bits2&amp; bits2, std::size_t index2, Op op) {</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;        <span class="keywordflow">return</span> impl::apply(bits1,index1,bits2,index2,op);</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;</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Types, <span class="keyword">typename</span> UnaryOp&gt;</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;BOOST_FORCEINLINE <span class="keyword">typename</span> UnaryOp::result_type <a class="code" href="group___variant.html#ga82b387581cf015301eaed7798304e367">apply_operation</a>(variant&lt;Types&gt;&amp; arg, UnaryOp op) {</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;    <span class="keywordflow">return</span> unary_reduce&lt;Types,UnaryOp&gt;::template apply(arg._bits, arg._index ,op);</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;}</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Types, <span class="keyword">typename</span> UnaryOp&gt;</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;BOOST_FORCEINLINE <span class="keyword">typename</span> UnaryOp::result_type <a class="code" href="group___variant.html#ga82b387581cf015301eaed7798304e367">apply_operation</a>(<span class="keyword">const</span> variant&lt;Types&gt;&amp; arg, UnaryOp op) {</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;    <span class="keywordflow">return</span> unary_reduce&lt;Types,UnaryOp&gt;::template applyc(arg._bits, arg._index ,op);</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;}</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Types1, <span class="keyword">typename</span> Types2, <span class="keyword">typename</span> BinaryOp&gt;</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;BOOST_FORCEINLINE <span class="keyword">typename</span> BinaryOp::result_type <a class="code" href="group___variant.html#ga82b387581cf015301eaed7798304e367">apply_operation</a>(<span class="keyword">const</span> variant&lt;Types1&gt;&amp; arg1, <span class="keyword">const</span> variant&lt;Types2&gt;&amp; arg2, BinaryOp op) {</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    <span class="keywordflow">return</span> binary_reduce&lt;Types1,Types2,BinaryOp&gt;::template apply(arg1._bits, arg1._index, arg2._bits, arg2._index, op);</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;}</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<span class="preprocessor">#undef GIL_BINARY_REDUCE_LIMIT</span></div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;} }  <span class="comment">// namespace gil</span></div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;</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="keyword">namespace </span>boost { <span class="keyword">namespace </span>mpl {</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen&gt;</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;<span class="keyword">struct </span>cross_vector {};</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, std::<span class="keywordtype">size_t</span> K&gt;</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;<span class="keyword">struct </span>cross_iterator</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;{</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    <span class="keyword">using</span> category = mpl::random_access_iterator_tag;</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;};</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, std::<span class="keywordtype">size_t</span> K&gt;</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="keyword">struct </span>deref&lt;cross_iterator&lt;VecOfVecs,TypeGen,K&gt;&gt;</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;{</div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    <span class="keyword">using</span> DerefTypes = <span class="keyword">typename</span> detail::select_subvector_c&lt;VecOfVecs, K&gt;::type;</div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    <span class="keyword">using</span> type = <span class="keyword">typename</span> TypeGen::template apply&lt;DerefTypes&gt;::type;</div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;};</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, std::<span class="keywordtype">size_t</span> K&gt;</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;<span class="keyword">struct </span>next&lt;cross_iterator&lt;VecOfVecs,TypeGen,K&gt;&gt;</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;{</div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;    <span class="keyword">using</span> type = cross_iterator&lt;VecOfVecs,TypeGen,K+1&gt;;</div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;};</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;</div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, std::<span class="keywordtype">size_t</span> K&gt;</div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;<span class="keyword">struct </span>prior&lt;cross_iterator&lt;VecOfVecs,TypeGen,K&gt;&gt;</div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;{</div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;    <span class="keyword">using</span> type = cross_iterator&lt;VecOfVecs,TypeGen,K-1&gt;;</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;</div><div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, std::<span class="keywordtype">size_t</span> K, <span class="keyword">typename</span> Distance&gt;</div><div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;<span class="keyword">struct </span>advance&lt;cross_iterator&lt;VecOfVecs,TypeGen,K&gt;, Distance&gt;</div><div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;{</div><div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;    <span class="keyword">using</span> type = cross_iterator&lt;VecOfVecs,TypeGen,K+Distance::value&gt;;</div><div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;};</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;<span class="comment">// (shortened the names of the template arguments - otherwise doxygen cannot parse this...)</span></div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, std::<span class="keywordtype">size_t</span> K1, std::<span class="keywordtype">size_t</span> K2&gt;</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;<span class="keyword">struct </span>distance&lt;cross_iterator&lt;VecOfVecs,TypeGen,K1&gt;, cross_iterator&lt;VecOfVecs,TypeGen,K2&gt;&gt;</div><div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;{</div><div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    <span class="keyword">using</span> type = <span class="keywordtype">size_t</span>&lt;K2-K1&gt;;</div><div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;};</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;</div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen&gt;</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;<span class="keyword">struct </span>size&lt;cross_vector&lt;VecOfVecs,TypeGen&gt;&gt;</div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;{</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;    <span class="keyword">using</span> type = <span class="keyword">typename</span> fold&lt;VecOfVecs, size_t&lt;1&gt;, times&lt;_1, size&lt;_2&gt;&gt;&gt;::type;</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    <span class="keyword">static</span> <span class="keyword">const</span> std::size_t value=type::value;</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;</div><div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen&gt;</div><div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;<span class="keyword">struct </span>empty&lt;cross_vector&lt;VecOfVecs,TypeGen&gt;&gt; {</div><div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;    <span class="keyword">using</span> type = <span class="keyword">typename</span> empty&lt;VecOfVecs&gt;::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;</div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, <span class="keyword">typename</span> K&gt;</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;<span class="keyword">struct </span>at&lt;cross_vector&lt;VecOfVecs,TypeGen&gt;, K&gt;</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="keyword">private</span>:</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;    <span class="keyword">using</span> KthIterator = cross_iterator&lt;VecOfVecs,TypeGen,K::value&gt;;</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;    <span class="keyword">using</span> type = <span class="keyword">typename</span> deref&lt;KthIterator&gt;::type;</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;};</div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;</div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen&gt;</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;<span class="keyword">struct </span>begin&lt;cross_vector&lt;VecOfVecs,TypeGen&gt;&gt;</div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;{</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;    <span class="keyword">using</span> type = cross_iterator&lt;VecOfVecs,TypeGen,0&gt;;</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;</div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen&gt;</div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;<span class="keyword">struct </span>end&lt;cross_vector&lt;VecOfVecs,TypeGen&gt;&gt;</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="keyword">private</span>:</div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;    <span class="keyword">using</span> this_t = cross_vector&lt;VecOfVecs,TypeGen&gt;;</div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;    <span class="keyword">using</span> type = cross_iterator&lt;VecOfVecs,TypeGen,size&lt;this_t&gt;::value&gt;;</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="l00403"></a><span class="lineno">  403</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen&gt;</div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;<span class="keyword">struct </span>front&lt;cross_vector&lt;VecOfVecs,TypeGen&gt;&gt; {</div><div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;    <span class="keyword">using</span> this_t = cross_vector&lt;VecOfVecs,TypeGen&gt;;</div><div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;    <span class="keyword">using</span> type = <span class="keyword">typename</span> deref&lt;typename begin&lt;this_t&gt;::type&gt;::type;</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;</div><div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen&gt;</div><div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;<span class="keyword">struct </span>back&lt;cross_vector&lt;VecOfVecs,TypeGen&gt;&gt;</div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;{</div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;    <span class="keyword">using</span> this_t = cross_vector&lt;VecOfVecs,TypeGen&gt;;</div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;    <span class="keyword">using</span> size = <span class="keyword">typename</span> size&lt;this_t&gt;::type;</div><div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;    <span class="keyword">using</span> last_index = <span class="keyword">typename</span> minus&lt;size, size_t&lt;1&gt;&gt;::type;</div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;    <span class="keyword">using</span> type = <span class="keyword">typename</span> at&lt;this_t, last_index&gt;::type;</div><div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;};</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;</div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, <span class="keyword">typename</span> OPP&gt;</div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;<span class="keyword">struct </span>transform&lt;cross_vector&lt;VecOfVecs,TypeGen&gt;, OPP&gt;</div><div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;{</div><div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;    <span class="keyword">using</span> Op = <span class="keyword">typename</span> lambda&lt;OPP&gt;::type;</div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;    <span class="keyword">struct </span>adapter</div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;    {</div><div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Elements&gt;</div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;        <span class="keyword">struct </span>apply</div><div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;        {</div><div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;            <span class="keyword">using</span> orig_t = <span class="keyword">typename</span> TypeGen::template apply&lt;Elements&gt;::type;</div><div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;            <span class="keyword">using</span> type = <span class="keyword">typename</span> Op::template apply&lt;orig_t&gt;::type;</div><div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;        };</div><div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;    };</div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;    <span class="keyword">using</span> type = cross_vector&lt;VecOfVecs, adapter&gt;;</div><div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;};</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">// boost::mpl</span></div><div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;</div><div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;<span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</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;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Types, <span class="keyword">typename</span> T&gt; <span class="keyword">struct </span>type_to_index;</div><div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> V&gt; <span class="keyword">struct </span>view_is_basic;</div><div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;<span class="keyword">struct </span>rgb_t;</div><div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;<span class="keyword">struct </span>lab_t;</div><div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;<span class="keyword">struct </span>hsb_t;</div><div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;<span class="keyword">struct </span>cmyk_t;</div><div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;<span class="keyword">struct </span>rgba_t;</div><div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;<span class="keyword">struct </span>error_t;</div><div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;</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="keyword">namespace </span>detail {</div><div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Op, <span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;    <span class="keyword">struct </span>reduce</div><div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;    {</div><div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;        <span class="keyword">using</span> type = T;</div><div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;    };</div><div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;</div><div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;</div><div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Op, <span class="keyword">typename</span> View, <span class="keywordtype">bool</span> IsBasic&gt;</div><div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;    <span class="keyword">struct </span>reduce_view_basic</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;        <span class="keyword">using</span> type = View;</div><div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    };</div><div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;</div><div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Op, <span class="keyword">typename</span> Loc&gt;</div><div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;    <span class="keyword">struct </span>reduce&lt;Op, image_view&lt;Loc&gt;&gt;</div><div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;        : <span class="keyword">public</span> reduce_view_basic&lt;Op,image_view&lt;Loc&gt;,view_is_basic&lt;image_view&lt;Loc&gt;&gt;::value&gt; {};</div><div class="line"><a name="l00484"></a><span class="lineno">  484</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="keyword">template</span> &lt;<span class="keyword">typename</span> Op, <span class="keyword">typename</span> Img, <span class="keywordtype">bool</span> IsBasic&gt;</div><div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;    <span class="keyword">struct </span>reduce_image_basic</div><div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;    {</div><div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;        <span class="keyword">using</span> type = Img;</div><div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;    };</div><div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;</div><div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Op, <span class="keyword">typename</span> V, <span class="keyword">typename</span> Alloc&gt;</div><div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;    <span class="keyword">struct </span>reduce&lt;Op, image&lt;V,Alloc&gt;&gt; : <span class="keyword">public</span> reduce_image_basic&lt;Op,image&lt;V,Alloc&gt;,image_is_basic&lt;image&lt;V,Alloc&gt;&gt;::value &gt; {};</div><div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;</div><div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;</div><div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Op, <span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2, <span class="keywordtype">bool</span> AreBasic&gt;</div><div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;    <span class="keyword">struct </span>reduce_views_basic</div><div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;    {</div><div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;        <span class="keyword">using</span> type = std::pair&lt;const V1*, const V2*&gt;;</div><div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;    };</div><div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;</div><div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Op, <span class="keyword">typename</span> L1, <span class="keyword">typename</span> L2&gt;</div><div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;    <span class="keyword">struct </span>reduce&lt;Op, std::pair&lt;const image_view&lt;L1&gt;*, const image_view&lt;L2&gt;*&gt;&gt;</div><div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;        : <span class="keyword">public</span> reduce_views_basic&lt;Op,image_view&lt;L1&gt;,image_view&lt;L2&gt;,</div><div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;                 mpl::and_&lt;view_is_basic&lt;image_view&lt;L1&gt;&gt;, view_is_basic&lt;image_view&lt;L2&gt;&gt;&gt;::value &gt;</div><div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;    {};</div><div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;</div><div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;</div><div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;</div><div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> CS&gt;</div><div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;    <span class="keyword">struct </span>reduce_color_space</div><div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;    {</div><div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;        <span class="keyword">using</span> type = CS;</div><div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;    };</div><div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;</div><div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;    <span class="keyword">template</span> &lt;&gt; <span class="keyword">struct </span>reduce_color_space&lt;lab_t&gt; { <span class="keyword">using</span> type = rgb_t; };</div><div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;    <span class="keyword">template</span> &lt;&gt; <span class="keyword">struct </span>reduce_color_space&lt;hsb_t&gt; { <span class="keyword">using</span> type = rgb_t; };</div><div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;    <span class="keyword">template</span> &lt;&gt; <span class="keyword">struct </span>reduce_color_space&lt;cmyk_t&gt; { <span class="keyword">using</span> type = rgba_t; };</div><div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;</div><div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;    <span class="comment">/*</span></div><div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;<span class="comment">    template &lt;typename Vec, int Basis, int VecSize&gt;</span></div><div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;<span class="comment">    struct type_vec_to_integer_impl {</span></div><div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;<span class="comment">        using last = typename mpl::back&lt;Vec&gt;::type;</span></div><div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;<span class="comment">        using rest = typename mpl::pop_back&lt;Vec&gt;::type;</span></div><div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;<span class="comment">        static const int value = type_vec_to_integer_impl&lt;rest, Basis, VecSize-1&gt;::value * Basis + last::value;</span></div><div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;<span class="comment">    template &lt;typename Vec, int Basis&gt;</span></div><div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;<span class="comment">    struct type_vec_to_integer_impl&lt;Vec,Basis,0&gt; {</span></div><div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;<span class="comment">        static const int value=0;</span></div><div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;<span class="comment">    template &lt;typename Vec, int Basis=10&gt;</span></div><div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;<span class="comment">    struct type_vec_to_integer {</span></div><div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;<span class="comment">        static const int value = type_vec_to_integer_impl&lt;Vec,Basis, mpl::size&lt;Vec&gt;::value&gt;::value;</span></div><div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;<span class="comment">    // Given two color spaces and the mapping of the channels between them, returns the reduced pair of color spaces</span></div><div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;<span class="comment">    // The default version performs no reduction</span></div><div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;<span class="comment">    template &lt;typename SrcColorSpace, typename DstColorSpace, int Mapping&gt;</span></div><div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;<span class="comment">    struct reduce_color_spaces_impl {</span></div><div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;<span class="comment">        using first_t = SrcColorSpace;</span></div><div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;<span class="comment">        using second_t = DstColorSpace;</span></div><div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;<span class="comment">    // 012: RGB-RGB, bgr-bgr, lab-lab, hsb-hsb</span></div><div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;<span class="comment">    template &lt;typename SrcColorSpace, typename DstColorSpace&gt;</span></div><div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;<span class="comment">    struct reduce_color_spaces_impl&lt;SrcColorSpace,DstColorSpace,12&gt; {</span></div><div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;<span class="comment">        using first_t = rgb_t;</span></div><div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;<span class="comment">        using second_t = rgb_t;</span></div><div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;<span class="comment">    // 210: RGB-bgr, bgr-RGB</span></div><div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;<span class="comment">    template &lt;typename SrcColorSpace, typename DstColorSpace&gt;</span></div><div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;<span class="comment">    struct reduce_color_spaces_impl&lt;SrcColorSpace,DstColorSpace,210&gt; {</span></div><div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;<span class="comment">        using first_t = rgb_t;</span></div><div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;<span class="comment">        using second_t = bgr_t;</span></div><div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;<span class="comment">    // 0123: RGBA-RGBA, bgra-bgra, argb-argb, abgr-abgr cmyk-cmyk</span></div><div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;<span class="comment">    template &lt;typename SrcColorSpace, typename DstColorSpace&gt;</span></div><div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;<span class="comment">    struct reduce_color_spaces_impl&lt;SrcColorSpace,DstColorSpace,123&gt; {</span></div><div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;<span class="comment">        using first_t = rgba_t;</span></div><div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;<span class="comment">        using second_t = rgba_t;</span></div><div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;<span class="comment">    // 3210: RGBA-abgr, bgra-argb, argb-bgra, abgr-RGBA</span></div><div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;<span class="comment">    template &lt;typename SrcColorSpace, typename DstColorSpace&gt;</span></div><div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;<span class="comment">    struct reduce_color_spaces_impl&lt;SrcColorSpace,DstColorSpace,3210&gt; {</span></div><div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;<span class="comment">        using first_t = rgba_t;</span></div><div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;<span class="comment">        using second_t = abgr_t;</span></div><div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;<span class="comment">    // 1230: RGBA-argb, bgra-abgr</span></div><div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;<span class="comment">    template &lt;typename SrcColorSpace, typename DstColorSpace&gt;</span></div><div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;<span class="comment">    struct reduce_color_spaces_impl&lt;SrcColorSpace,DstColorSpace,1230&gt; {</span></div><div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;<span class="comment">        using first_t = rgba_t;</span></div><div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;<span class="comment">        using second_t = argb_t;</span></div><div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;<span class="comment">    // 2103: RGBA-bgra, bgra-RGBA (uses subclass to ensure that base color space is not reduced to derived)</span></div><div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;<span class="comment">    template &lt;typename SrcColorSpace, typename DstColorSpace&gt;</span></div><div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;<span class="comment">    struct reduce_color_spaces_impl&lt;SrcColorSpace,DstColorSpace,2103&gt; {</span></div><div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;<span class="comment">        using first_t = rgba_t;</span></div><div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;<span class="comment">        using second_t = bgra_t;</span></div><div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;<span class="comment">    // 3012: argb-RGBA, abgr-bgra</span></div><div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;<span class="comment">    template &lt;typename SrcColorSpace, typename DstColorSpace&gt;</span></div><div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;<span class="comment">    struct reduce_color_spaces_impl&lt;SrcColorSpace,DstColorSpace,3012&gt; {</span></div><div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;<span class="comment">        using first_t = argb_t;</span></div><div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;<span class="comment">        using second_t = rgba_t;</span></div><div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;<span class="comment">    // 0321: argb-abgr, abgr-argb</span></div><div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;<span class="comment">    template &lt;typename SrcColorSpace, typename DstColorSpace&gt;</span></div><div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;<span class="comment">    struct reduce_color_spaces_impl&lt;SrcColorSpace,DstColorSpace,321&gt; {</span></div><div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;<span class="comment">        using first_t = argb_t;</span></div><div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;<span class="comment">        using second_t = abgr_t;</span></div><div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;<span class="comment">    template &lt;typename SrcColorSpace, typename DstColorSpace&gt;</span></div><div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;<span class="comment">    struct reduce_color_spaces {</span></div><div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;<span class="comment">        using src_order_t = typename channel_order&lt;SrcColorSpace&gt;::type;</span></div><div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;<span class="comment">        using dst_order_t = typename channel_order&lt;DstColorSpace&gt;::type;</span></div><div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;<span class="comment">        using mapping = typename mpl::transform&lt;src_order_t, type_to_index&lt;dst_order_t,mpl::_1&gt;&gt;::type;</span></div><div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;<span class="comment">        static const int mapping_val = type_vec_to_integer&lt;mapping&gt;::value;</span></div><div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;<span class="comment">        using _first_t = typename reduce_color_spaces_impl&lt;SrcColorSpace,DstColorSpace,mapping_val&gt;::first_t;</span></div><div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;<span class="comment">        using _second_t = typename reduce_color_spaces_impl&lt;SrcColorSpace,DstColorSpace,mapping_val&gt;::second_t;</span></div><div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;<span class="comment">        using swap_t = typename mpl::and_&lt;color_space_is_base&lt;DstColorSpace&gt;, mpl::not_&lt; color_space_is_base&lt;_second_t&gt;&gt;&gt;;</span></div><div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;<span class="comment">    public:</span></div><div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;<span class="comment">        using first_t = typename mpl::if_&lt;swap_t, _second_t, _first_t&gt;::type;</span></div><div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;<span class="comment">        using second_t = typename mpl::if_&lt;swap_t, _first_t, _second_t&gt;::type;</span></div><div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;<span class="comment">*/</span></div><div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;<span class="comment">// TODO: Use the old code for reduce_color_spaces above to do color layout reduction</span></div><div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> SrcLayout, <span class="keyword">typename</span> DstLayout&gt;</div><div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;    <span class="keyword">struct </span>reduce_color_layouts</div><div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;    {</div><div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;        <span class="keyword">using</span> first_t = SrcLayout;</div><div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;        <span class="keyword">using</span> second_t = DstLayout;</div><div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;    };</div><div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;</div><div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;</div><div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;    <span class="keyword">struct </span>copy_pixels_fn;</div><div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;</div><div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;    <span class="comment">/*</span></div><div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;<span class="comment">    // 1D reduce for copy_pixels reduces the channel to mutable and the color space to its base with same dimensions</span></div><div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;<span class="comment">    template &lt;typename View&gt;</span></div><div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;<span class="comment">    struct reduce_view_basic&lt;copy_pixels_fn,View,true&gt; {</span></div><div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;<span class="comment">    private:</span></div><div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;<span class="comment">        using color_space_t = typename reduce_color_space&lt;typename View::color_space_t&gt;::type color_space_t; // reduce the color space</span></div><div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;<span class="comment">        using layout_t = layout&lt;color_space_t, typename View::channel_mapping_t&gt;;</span></div><div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;<span class="comment">    public:</span></div><div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;<span class="comment">        using type = typename derived_view_type&lt;View, use_default, layout_t, use_default, use_default, mpl::true_&gt;::type;</span></div><div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;<span class="comment">    };</span></div><div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;<span class="comment">*/</span></div><div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;    <span class="comment">// Incompatible views cannot be used in copy_pixels - will throw std::bad_cast</span></div><div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2, <span class="keywordtype">bool</span> Compatible&gt;</div><div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;    <span class="keyword">struct </span>reduce_copy_pixop_compat</div><div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;    {</div><div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;        <span class="keyword">using</span> type = error_t;</div><div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;    };</div><div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;</div><div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;    <span class="comment">// For compatible basic views, reduce their color spaces based on their channel mapping.</span></div><div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;    <span class="comment">// Make the source immutable and the destination mutable (they should already be that way)</span></div><div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2&gt;</div><div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;    <span class="keyword">struct </span>reduce_copy_pixop_compat&lt;V1,V2,true&gt;</div><div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;    {</div><div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;        <span class="keyword">using</span> layout1 = layout&lt;typename V1::color_space_t, typename V1::channel_mapping_t&gt;;</div><div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;        <span class="keyword">using</span> layout2 = layout&lt;typename V2::color_space_t, typename V2::channel_mapping_t&gt;;</div><div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;</div><div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;        <span class="keyword">using</span> L1 = <span class="keyword">typename</span> reduce_color_layouts&lt;layout1,layout2&gt;::first_t;</div><div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;        <span class="keyword">using</span> L2 = <span class="keyword">typename</span> reduce_color_layouts&lt;layout1,layout2&gt;::second_t;</div><div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;</div><div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;        <span class="keyword">using</span> DV1 = <span class="keyword">typename</span> derived_view_type&lt;V1, use_default, L1, use_default, use_default, use_default, mpl::false_&gt;::type;</div><div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;        <span class="keyword">using</span> DV2 = <span class="keyword">typename</span> derived_view_type&lt;V2, use_default, L2, use_default, use_default, use_default, mpl::true_ &gt;::type;</div><div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;</div><div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;        <span class="keyword">using</span> type = std::pair&lt;const DV1*, const DV2*&gt;;</div><div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;    };</div><div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;</div><div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;    <span class="comment">// The general 2D version branches into compatible and incompatible views</span></div><div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2&gt;</div><div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;    <span class="keyword">struct </span>reduce_views_basic&lt;copy_pixels_fn, V1, V2, true&gt;</div><div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;        : <span class="keyword">public</span> reduce_copy_pixop_compat&lt;V1, V2, mpl::and_&lt;views_are_compatible&lt;V1,V2&gt;, view_is_mutable&lt;V2&gt;&gt;::value &gt; {</div><div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;    };</div><div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;</div><div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;</div><div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;    <span class="keyword">struct </span>destructor_op;</div><div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> View&gt;</div><div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;    <span class="keyword">struct </span>reduce_view_basic&lt;destructor_op,View,true&gt;</div><div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;    {</div><div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;        <span class="keyword">using</span> type = gray8_view_t;</div><div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;    };</div><div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;</div><div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;</div><div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;    <span class="keyword">struct </span>any_type_get_dimensions;</div><div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;</div><div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> View&gt;</div><div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;    <span class="keyword">struct </span>reduce_view_basic&lt;any_type_get_dimensions,View,true&gt;</div><div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;    {</div><div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;        <span class="keyword">using</span> type = gray8_view_t;</div><div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;    };</div><div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;</div><div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Img&gt;</div><div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;    <span class="keyword">struct </span>reduce_image_basic&lt;any_type_get_dimensions,Img,true&gt;</div><div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;    {</div><div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;        <span class="keyword">using</span> type = gray8_image_t;</div><div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;    };</div><div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160;</div><div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;</div><div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;    <span class="keyword">struct </span>any_type_get_num_channels;</div><div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;</div><div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> View&gt;</div><div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;    <span class="keyword">struct </span>reduce_view_basic&lt;any_type_get_num_channels,View,true&gt;</div><div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;    {</div><div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;        <span class="keyword">using</span> color_space_t =  <span class="keyword">typename</span> View::color_space_t::base;</div><div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;        <span class="keyword">using</span> type = <span class="keyword">typename</span> view_type&lt;uint8_t,typename reduce_color_space&lt;color_space_t&gt;::type&gt;::type;</div><div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;    };</div><div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;</div><div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Img&gt;</div><div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;    <span class="keyword">struct </span>reduce_image_basic&lt;any_type_get_num_channels,Img,true&gt;</div><div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;    {</div><div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;        <span class="keyword">using</span> color_space_t = <span class="keyword">typename</span> Img::color_space_t::base;</div><div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;        <span class="keyword">using</span> type = <span class="keyword">typename</span> image_type&lt;uint8_t,typename reduce_color_space&lt;color_space_t&gt;::type&gt;::type;</div><div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;    };</div><div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;</div><div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;</div><div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Sampler, <span class="keyword">typename</span> MapFn&gt; <span class="keyword">struct </span>resample_pixels_fn;</div><div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;</div><div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> S, <span class="keyword">typename</span> M, <span class="keyword">typename</span> V, <span class="keywordtype">bool</span> IsBasic&gt;</div><div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;    <span class="keyword">struct </span>reduce_view_basic&lt;resample_pixels_fn&lt;S,M&gt;, V, IsBasic&gt; : <span class="keyword">public</span> reduce_view_basic&lt;copy_pixels_fn, V, IsBasic&gt; {};</div><div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;</div><div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> S, <span class="keyword">typename</span> M, <span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2, <span class="keywordtype">bool</span> IsBasic&gt;</div><div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;    <span class="keyword">struct </span>reduce_views_basic&lt;resample_pixels_fn&lt;S,M&gt;, V1, V2, IsBasic&gt; : <span class="keyword">public</span> reduce_views_basic&lt;copy_pixels_fn, V1, V2, IsBasic&gt; {};</div><div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;</div><div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;</div><div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;</div><div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> CC&gt; <span class="keyword">class </span>copy_and_convert_pixels_fn;</div><div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;</div><div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;    <span class="comment">// the only thing for 1D reduce is making them all mutable...</span></div><div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> CC, <span class="keyword">typename</span> View, <span class="keywordtype">bool</span> IsBasic&gt;</div><div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;    <span class="keyword">struct </span>reduce_view_basic&lt;copy_and_convert_pixels_fn&lt;CC&gt;, View, IsBasic&gt;</div><div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;        : <span class="keyword">public</span> derived_view_type&lt;View, use_default, use_default, use_default, use_default, mpl::true_&gt; {</div><div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;    };</div><div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;</div><div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;    <span class="comment">// For 2D reduce, if they have the same channels and color spaces (i.e. the same pixels) then copy_and_convert is just copy.</span></div><div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;    <span class="comment">// In this case, reduce their common color space. In general make the first immutable and the second mutable</span></div><div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> CC, <span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2, <span class="keywordtype">bool</span> AreBasic&gt;</div><div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;    <span class="keyword">struct </span>reduce_views_basic&lt;copy_and_convert_pixels_fn&lt;CC&gt;, V1, V2, AreBasic&gt;</div><div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;    {</div><div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;        <span class="keyword">using</span> Same = std::is_same&lt;typename V1::pixel_t, typename V2::pixel_t&gt;;</div><div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;</div><div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;        <span class="keyword">using</span> CsR = reduce_color_space&lt;typename V1::color_space_t::base&gt;;</div><div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;        <span class="keyword">using</span> Cs1 = <span class="keyword">typename</span> mpl::if_&lt;Same, typename CsR::type, typename V1::color_space_t&gt;::type;</div><div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;        <span class="keyword">using</span> Cs2 = <span class="keyword">typename</span> mpl::if_&lt;Same, typename CsR::type, typename V2::color_space_t&gt;::type;</div><div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;</div><div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;        <span class="keyword">using</span> DV1 = <span class="keyword">typename</span> derived_view_type&lt;V1, use_default, layout&lt;Cs1, typename V1::channel_mapping_t&gt;, use_default, use_default, mpl::false_&gt;::type;</div><div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160;        <span class="keyword">using</span> DV2 = <span class="keyword">typename</span> derived_view_type&lt;V2, use_default, layout&lt;Cs2, typename V2::channel_mapping_t&gt;, use_default, use_default, mpl::true_ &gt;::type;</div><div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;</div><div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;        <span class="keyword">using</span> type = std::pair&lt;const DV1*, const DV2*&gt;;</div><div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;    };</div><div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160;</div><div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;</div><div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;    <span class="comment">//integral_image_generator</span></div><div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;    <span class="comment">//resize_clobber_image_fnobj</span></div><div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;    <span class="comment">//image_default_construct_fnobj</span></div><div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;    <span class="comment">//fill_converted_pixels_fn</span></div><div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;    <span class="comment">//std::bind(gil::detail::copy_pixels_fn(), std::placeholders::_1, dst)</span></div><div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;    <span class="comment">//std::bind(gil::detail::copy_pixels_fn(), src, std::placeholders::_1)</span></div><div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;</div><div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;    <span class="comment">//std::bind(detail::copy_and_convert_pixels_fn(), std::placeholders::_1, dst)</span></div><div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;    <span class="comment">//std::bind(detail::copy_and_convert_pixels_fn(), src, std::placeholders::_1)</span></div><div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;    <span class="comment">//gil::detail::fill_pixels_fn&lt;Value&gt;(val)</span></div><div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;</div><div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;    <span class="comment">//detail::copy_construct_in_place_fn&lt;base_t&gt;</span></div><div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;    <span class="comment">//detail::equal_to_fn&lt;typename variant&lt;Types&gt;::base_t&gt;</span></div><div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;</div><div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;    <span class="comment">//detail::any_image_get_view&lt;typename any_image&lt;Types&gt;::view_t&gt;</span></div><div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;    <span class="comment">//detail::any_image_get_const_view&lt;typename any_image&lt;Types&gt;::view_t&gt;</span></div><div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;    <span class="comment">//detail::flipped_up_down_view_fn&lt;any_image_view&lt;ViewTypes&gt;&gt;</span></div><div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;    <span class="comment">//detail::flipped_left_right_view_fn&lt;typename any_image_view&lt;ViewTypes&gt;::dynamic_step_t&gt;</span></div><div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;    <span class="comment">//detail::tranposed_view_fn&lt;typename any_image_view&lt;ViewTypes&gt;::dynamic_step_t&gt;</span></div><div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;    <span class="comment">//detail::rotated90cw_view_fn&lt;typename any_image_view&lt;ViewTypes&gt;::dynamic_step_t&gt;</span></div><div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;    <span class="comment">//detail::rotated90ccw_view_fn&lt;typename any_image_view&lt;ViewTypes&gt;::dynamic_step_t&gt;</span></div><div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;    <span class="comment">//detail::rotated180_view_fn&lt;typename any_image_view&lt;ViewTypes&gt;::dynamic_step_t&gt;</span></div><div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;    <span class="comment">//detail::subimage_view_fn&lt;any_image_view&lt;ViewTypes&gt;&gt;</span></div><div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;    <span class="comment">//detail::subsampled_view_fn&lt;typename any_image_view&lt;ViewTypes&gt;::dynamic_step_t&gt;</span></div><div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;    <span class="comment">//detail::nth_channel_view_fn&lt;typename nth_channel_view_type&lt;any_image_view&lt;ViewTypes&gt;&gt;</span></div><div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;    <span class="comment">//detail::color_converted_view_fn&lt;DstP,typename color_convert_view_type&lt;any_image_view&lt;ViewTypes&gt;, DstP&gt;::type &gt;</span></div><div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;}</div><div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;</div><div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;}}  <span class="comment">// namespace boost::gil</span></div><div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;</div><div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;<span class="preprocessor">#endif // defined(BOOST_GIL_REDUCE_CODE_BLOAT)</span></div><div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;</div><div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="group___variant_html_ga82b387581cf015301eaed7798304e367"><div class="ttname"><a href="group___variant.html#ga82b387581cf015301eaed7798304e367">boost::gil::apply_operation</a></div><div class="ttdeci">BOOST_FORCEINLINE auto apply_operation(variant&lt; Types &gt; &amp;arg, UnaryOp op)</div><div class="ttdoc">Invokes a generic mutable operation (represented as a unary function object) on a variant.</div><div class="ttdef"><b>Definition:</b> apply_operation.hpp:33</div></div>
  51 <div class="ttc" id="group___color_base_model_homogeneous_html_gae2eaf5eecbad94d7dc6432b8f759fba0"><div class="ttname"><a href="group___color_base_model_homogeneous.html#gae2eaf5eecbad94d7dc6432b8f759fba0">boost::gil::at_c</a></div><div class="ttdeci">auto at_c(detail::homogeneous_color_base&lt; E, L, N &gt; &amp;p) -&gt; typename std::add_lvalue_reference&lt; E &gt;::type</div><div class="ttdoc">Provides mutable access to the K-th element, in physical order.</div><div class="ttdef"><b>Definition:</b> color_base.hpp:597</div></div>
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