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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">//</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Copyright 2005-2007 Adobe Systems Incorporated</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">//</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// Distributed under the Boost Software License, Version 1.0</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">// See accompanying file LICENSE_1_0.txt or copy at</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.boost.org/LICENSE_1_0.txt</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#ifndef BOOST_GIL_EXTENSION_DYNAMIC_IMAGE_DYNAMIC_AT_C_HPP</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#define BOOST_GIL_EXTENSION_DYNAMIC_IMAGE_DYNAMIC_AT_C_HPP</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include &lt;boost/gil/detail/mp11.hpp&gt;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &lt;boost/preprocessor/facilities/empty.hpp&gt;</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;boost/preprocessor/repetition/repeat.hpp&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include &lt;stdexcept&gt;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceboost.html">boost</a> { <span class="keyword">namespace </span>gil {</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment">// Constructs for static-to-dynamic integer conversion</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#define BOOST_GIL_AT_C_VALUE(z, N, text) mp11::mp_at_c&lt;IntTypes, S+N&gt;::value,</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#define BOOST_GIL_DYNAMIC_AT_C_LIMIT 226 </span><span class="comment">// size of the maximum vector to handle</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#define BOOST_GIL_AT_C_LOOKUP(z, NUM, text) \</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor"> template&lt;std::size_t S&gt; \</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor"> struct at_c_fn&lt;S,NUM&gt; { \</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor"> template &lt;typename IntTypes, typename ValueType&gt; inline \</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor"> static ValueType apply(std::size_t index) { \</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor"> static ValueType table[] = { \</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor"> BOOST_PP_REPEAT(NUM, BOOST_GIL_AT_C_VALUE, BOOST_PP_EMPTY) \</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor"> }; \</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor"> return table[index]; \</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor"> } \</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor"> };</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="keyword">namespace </span>detail {</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>at_c {</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">template</span> &lt;std::<span class="keywordtype">size_t</span> START, std::<span class="keywordtype">size_t</span> NUM&gt; <span class="keyword">struct </span>at_c_fn;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> BOOST_PP_REPEAT(BOOST_GIL_DYNAMIC_AT_C_LIMIT, BOOST_GIL_AT_C_LOOKUP, BOOST_PP_EMPTY)</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">template</span> &lt;std::<span class="keywordtype">size_t</span> QUOT&gt; <span class="keyword">struct </span>at_c_impl;</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">template</span> &lt;&gt;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">struct </span>at_c_impl&lt;0&gt; {</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> IntTypes, <span class="keyword">typename</span> ValueType&gt; <span class="keyword">inline</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">static</span> ValueType apply(std::size_t index) {</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordflow">return</span> at_c_fn&lt;0, mp11::mp_size&lt;IntTypes&gt;::value&gt;::template apply&lt;IntTypes,ValueType&gt;(index);</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> }</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> };</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">template</span> &lt;&gt;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">struct </span>at_c_impl&lt;1&gt; {</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> IntTypes, <span class="keyword">typename</span> ValueType&gt; <span class="keyword">inline</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">static</span> ValueType apply(std::size_t index) {</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">const</span> std::size_t SIZE = mp11::mp_size&lt;IntTypes&gt;::value;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">const</span> std::size_t REM = SIZE % BOOST_GIL_DYNAMIC_AT_C_LIMIT;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">switch</span> (index / BOOST_GIL_DYNAMIC_AT_C_LIMIT) {</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">case</span> 0: <span class="keywordflow">return</span> at_c_fn&lt;0 ,BOOST_GIL_DYNAMIC_AT_C_LIMIT-1&gt;::template apply&lt;IntTypes,ValueType&gt;(index);</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">case</span> 1: <span class="keywordflow">return</span> at_c_fn&lt;BOOST_GIL_DYNAMIC_AT_C_LIMIT ,REM &gt;::template apply&lt;IntTypes,ValueType&gt;(index - BOOST_GIL_DYNAMIC_AT_C_LIMIT);</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> };</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">throw</span>;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> }</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> };</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">template</span> &lt;&gt;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">struct </span>at_c_impl&lt;2&gt; {</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> IntTypes, <span class="keyword">typename</span> ValueType&gt; <span class="keyword">inline</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">static</span> ValueType apply(std::size_t index) {</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">const</span> std::size_t SIZE = mp11::mp_size&lt;IntTypes&gt;::value;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">const</span> std::size_t REM = SIZE % BOOST_GIL_DYNAMIC_AT_C_LIMIT;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">switch</span> (index / BOOST_GIL_DYNAMIC_AT_C_LIMIT) {</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">case</span> 0: <span class="keywordflow">return</span> at_c_fn&lt;0 ,BOOST_GIL_DYNAMIC_AT_C_LIMIT-1&gt;::template apply&lt;IntTypes,ValueType&gt;(index);</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">case</span> 1: <span class="keywordflow">return</span> at_c_fn&lt;BOOST_GIL_DYNAMIC_AT_C_LIMIT ,BOOST_GIL_DYNAMIC_AT_C_LIMIT-1&gt;::template apply&lt;IntTypes,ValueType&gt;(index - BOOST_GIL_DYNAMIC_AT_C_LIMIT);</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">case</span> 2: <span class="keywordflow">return</span> at_c_fn&lt;BOOST_GIL_DYNAMIC_AT_C_LIMIT*2,REM &gt;::template apply&lt;IntTypes,ValueType&gt;(index - BOOST_GIL_DYNAMIC_AT_C_LIMIT*2);</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> };</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">throw</span>;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> }</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> };</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">template</span> &lt;&gt;</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">struct </span>at_c_impl&lt;3&gt; {</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> IntTypes, <span class="keyword">typename</span> ValueType&gt; <span class="keyword">inline</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">static</span> ValueType apply(std::size_t index) {</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">const</span> std::size_t SIZE = mp11::mp_size&lt;IntTypes&gt;::value;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">const</span> std::size_t REM = SIZE % BOOST_GIL_DYNAMIC_AT_C_LIMIT;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">switch</span> (index / BOOST_GIL_DYNAMIC_AT_C_LIMIT) {</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">case</span> 0: <span class="keywordflow">return</span> at_c_fn&lt;0 ,BOOST_GIL_DYNAMIC_AT_C_LIMIT-1&gt;::template apply&lt;IntTypes,ValueType&gt;(index);</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">case</span> 1: <span class="keywordflow">return</span> at_c_fn&lt;BOOST_GIL_DYNAMIC_AT_C_LIMIT ,BOOST_GIL_DYNAMIC_AT_C_LIMIT-1&gt;::template apply&lt;IntTypes,ValueType&gt;(index - BOOST_GIL_DYNAMIC_AT_C_LIMIT);</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">case</span> 2: <span class="keywordflow">return</span> at_c_fn&lt;BOOST_GIL_DYNAMIC_AT_C_LIMIT*2,BOOST_GIL_DYNAMIC_AT_C_LIMIT-1&gt;::template apply&lt;IntTypes,ValueType&gt;(index - BOOST_GIL_DYNAMIC_AT_C_LIMIT*2);</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">case</span> 3: <span class="keywordflow">return</span> at_c_fn&lt;BOOST_GIL_DYNAMIC_AT_C_LIMIT*3,REM &gt;::template apply&lt;IntTypes,ValueType&gt;(index - BOOST_GIL_DYNAMIC_AT_C_LIMIT*3);</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> };</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">throw</span>;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> }</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> };</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> }</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span>}</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> IntTypes, <span class="keyword">typename</span> ValueType&gt; <span class="keyword">inline</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span>ValueType at_c(std::size_t index) {</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">const</span> std::size_t Size=mp11::mp_size&lt;IntTypes&gt;::value;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">return</span> detail::at_c::at_c_impl&lt;Size/BOOST_GIL_DYNAMIC_AT_C_LIMIT&gt;::template apply&lt;IntTypes,ValueType&gt;(index);</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span>}</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span><span class="preprocessor">#undef BOOST_GIL_AT_C_VALUE</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span><span class="preprocessor">#undef BOOST_GIL_DYNAMIC_AT_C_LIMIT</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span><span class="preprocessor">#undef BOOST_GIL_AT_C_LOOKUP</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span>}} <span class="comment">// namespace boost::gil</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span><span class="preprocessor">#endif</span></div>
<div class="ttc" id="anamespaceboost_html"><div class="ttname"><a href="namespaceboost.html">boost</a></div><div class="ttdoc">defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)</div><div class="ttdef"><b>Definition</b> algorithm.hpp:36</div></div>
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