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IDXLoader_8h_source.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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 <span id="projectnumber">1.1.0</span>
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<a href="IDXLoader_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef IDX_LOADER_H_</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor"></span><span class="preprocessor">#define IDX_LOADER_H_</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include <<a class="code" href="AssertionMacros_8h.html">OpenANN/util/AssertionMacros.h</a>></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <Eigen/Core></span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <fstream></span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <<a class="code" href="Logger_8h.html">OpenANN/io/Logger.h</a>></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <stdint.h></span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <endian.h></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "<a class="code" href="Distorter_8h.html">Distorter.h</a>"</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a name="l00012"></a><span class="lineno"><a class="code" href="classIDXLoader.html"> 12</a></span> <span class="keyword">class </span><a class="code" href="classIDXLoader.html">IDXLoader</a></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> {</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00015"></a><span class="lineno"><a class="code" href="classIDXLoader.html#a6de2a25dbb2eae355a6e41b8cd0ef07d"> 15</a></span>  <span class="keywordtype">int</span> <a class="code" href="classIDXLoader.html#a6de2a25dbb2eae355a6e41b8cd0ef07d">padToX</a>;</div>
<div class="line"><a name="l00016"></a><span class="lineno"><a class="code" href="classIDXLoader.html#a08845de8613575097b62a68d391668b4"> 16</a></span>  <span class="keywordtype">int</span> <a class="code" href="classIDXLoader.html#a08845de8613575097b62a68d391668b4">padToY</a>;</div>
<div class="line"><a name="l00017"></a><span class="lineno"><a class="code" href="classIDXLoader.html#acefca652c25eb0e3c8f8ad57757a8386"> 17</a></span>  std::string <a class="code" href="classIDXLoader.html#acefca652c25eb0e3c8f8ad57757a8386">directory</a>;</div>
<div class="line"><a name="l00018"></a><span class="lineno"><a class="code" href="classIDXLoader.html#aa7366a6887fdf262d42d72a1e37e5b90"> 18</a></span>  <span class="keywordtype">int</span> <a class="code" href="classIDXLoader.html#aa7366a6887fdf262d42d72a1e37e5b90">trainingN</a>;</div>
<div class="line"><a name="l00019"></a><span class="lineno"><a class="code" href="classIDXLoader.html#ae570613cb78f6ee1744c50b2b854e752"> 19</a></span>  <span class="keywordtype">int</span> <a class="code" href="classIDXLoader.html#ae570613cb78f6ee1744c50b2b854e752">testN</a>;</div>
<div class="line"><a name="l00020"></a><span class="lineno"><a class="code" href="classIDXLoader.html#a164cd20816bda6c2906534d5425a2821"> 20</a></span>  <span class="keywordtype">int</span> <a class="code" href="classIDXLoader.html#a164cd20816bda6c2906534d5425a2821">D</a>;</div>
<div class="line"><a name="l00021"></a><span class="lineno"><a class="code" href="classIDXLoader.html#a68066d7a10494a04b56777dd7933f5cd"> 21</a></span>  <span class="keywordtype">int</span> <a class="code" href="classIDXLoader.html#a68066d7a10494a04b56777dd7933f5cd">F</a>;</div>
<div class="line"><a name="l00022"></a><span class="lineno"><a class="code" href="classIDXLoader.html#a1c273431879ddd37f82e4c25a54451c5"> 22</a></span>  Eigen::MatrixXd <a class="code" href="classIDXLoader.html#a1206428d6bec6d645656b57c362aa6c6">trainingInput</a>, <a class="code" href="classIDXLoader.html#a1c273431879ddd37f82e4c25a54451c5">trainingOutput</a>, <a class="code" href="classIDXLoader.html#ad12cfd3bf9bcdf82639c0f346a79be6c">testInput</a>, <a class="code" href="classIDXLoader.html#acdc6d0ec09a67cbed4f762ab9f9ba14d">testOutput</a>;</div>
<div class="line"><a name="l00023"></a><span class="lineno"><a class="code" href="classIDXLoader.html#a9719eebc6d1ae15591808cf464b1b582"> 23</a></span>  <a class="code" href="classOpenANN_1_1Logger.html" title="A local logger that can redirect messages to several targets. ">OpenANN::Logger</a> <a class="code" href="classIDXLoader.html#a9719eebc6d1ae15591808cf464b1b582">debugLogger</a>;</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="code" href="classIDXLoader.html#a6d5e5a978a2ee42ee13b328f3a6596a7"> 25</a></span>  <a class="code" href="classIDXLoader.html#a6d5e5a978a2ee42ee13b328f3a6596a7">IDXLoader</a>(<span class="keywordtype">int</span> <a class="code" href="classIDXLoader.html#a6de2a25dbb2eae355a6e41b8cd0ef07d">padToX</a> = 29, <span class="keywordtype">int</span> <a class="code" href="classIDXLoader.html#a08845de8613575097b62a68d391668b4">padToY</a> = 29, <span class="keywordtype">int</span> loadTraininN = -1,</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordtype">int</span> loadTestN = -1, std::string <a class="code" href="classIDXLoader.html#acefca652c25eb0e3c8f8ad57757a8386">directory</a> = <span class="stringliteral">"mnist/"</span>)</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  : <a class="code" href="classIDXLoader.html#a6de2a25dbb2eae355a6e41b8cd0ef07d">padToX</a>(<a class="code" href="classIDXLoader.html#a6de2a25dbb2eae355a6e41b8cd0ef07d">padToX</a>), <a class="code" href="classIDXLoader.html#a08845de8613575097b62a68d391668b4">padToY</a>(<a class="code" href="classIDXLoader.html#a08845de8613575097b62a68d391668b4">padToY</a>), <a class="code" href="classIDXLoader.html#acefca652c25eb0e3c8f8ad57757a8386">directory</a>(<a class="code" href="classIDXLoader.html#acefca652c25eb0e3c8f8ad57757a8386">directory</a>), <a class="code" href="classIDXLoader.html#aa7366a6887fdf262d42d72a1e37e5b90">trainingN</a>(0),</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <a class="code" href="classIDXLoader.html#ae570613cb78f6ee1744c50b2b854e752">testN</a>(0), <a class="code" href="classIDXLoader.html#a164cd20816bda6c2906534d5425a2821">D</a>(0), <a class="code" href="classIDXLoader.html#a68066d7a10494a04b56777dd7933f5cd">F</a>(0), <a class="code" href="classIDXLoader.html#a9719eebc6d1ae15591808cf464b1b582">debugLogger</a>(OpenANN::Logger::CONSOLE)</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <a class="code" href="classIDXLoader.html#a3fff49de465f8d6b86cce7ffcff432db">load</a>(<span class="keyword">true</span>, loadTraininN);</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="classIDXLoader.html#a3fff49de465f8d6b86cce7ffcff432db">load</a>(<span class="keyword">false</span>, loadTestN);</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="code" href="classIDXLoader.html#a9719eebc6d1ae15591808cf464b1b582">debugLogger</a> << <span class="stringliteral">"Loaded MNIST data set.\n"</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  << <span class="stringliteral">"trainingN = "</span> << <a class="code" href="classIDXLoader.html#aa7366a6887fdf262d42d72a1e37e5b90">trainingN</a> << <span class="stringliteral">"\n"</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  << <span class="stringliteral">"testN = "</span> << <a class="code" href="classIDXLoader.html#ae570613cb78f6ee1744c50b2b854e752">testN</a> << <span class="stringliteral">"\n"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  << <span class="stringliteral">"D = "</span> << <a class="code" href="classIDXLoader.html#a164cd20816bda6c2906534d5425a2821">D</a> << <span class="stringliteral">", F = "</span> << <a class="code" href="classIDXLoader.html#a68066d7a10494a04b56777dd7933f5cd">F</a> << <span class="stringliteral">"\n"</span>;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  }</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="code" href="classIDXLoader.html#a3fff49de465f8d6b86cce7ffcff432db"> 38</a></span>  <span class="keywordtype">void</span> <a class="code" href="classIDXLoader.html#a3fff49de465f8d6b86cce7ffcff432db">load</a>(<span class="keywordtype">bool</span> <a class="code" href="namespaceOpenANN.html#a5fcdd987e4be42f5de6109e26c9691a5" title="Train a feedforward neural network supervised. ">train</a>, <span class="keywordtype">int</span> maxN)</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">int</span>& <a class="code" href="namespacexor.html#ae621cb60e5c26909dc63d15b8e2581f2">N</a> = train ? <a class="code" href="classIDXLoader.html#aa7366a6887fdf262d42d72a1e37e5b90">trainingN</a> : <a class="code" href="classIDXLoader.html#ae570613cb78f6ee1744c50b2b854e752">testN</a>;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  Eigen::MatrixXd& input = train ? <a class="code" href="classIDXLoader.html#a1206428d6bec6d645656b57c362aa6c6">trainingInput</a> : <a class="code" href="classIDXLoader.html#ad12cfd3bf9bcdf82639c0f346a79be6c">testInput</a>;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  Eigen::MatrixXd& output = train ? <a class="code" href="classIDXLoader.html#a1c273431879ddd37f82e4c25a54451c5">trainingOutput</a> : <a class="code" href="classIDXLoader.html#acdc6d0ec09a67cbed4f762ab9f9ba14d">testOutput</a>;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> tmp = 0;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  std::string fileName = train ?</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="classIDXLoader.html#acefca652c25eb0e3c8f8ad57757a8386">directory</a> + <span class="stringliteral">"/"</span> + std::string(<span class="stringliteral">"train-images-idx3-ubyte"</span>) :</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <a class="code" href="classIDXLoader.html#acefca652c25eb0e3c8f8ad57757a8386">directory</a> + <span class="stringliteral">"/"</span> + std::string(<span class="stringliteral">"t10k-images-idx3-ubyte"</span>);</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  std::fstream inputFile(fileName.c_str(), std::ios::in | std::ios::binary);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">if</span>(!inputFile.is_open())</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  {</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classIDXLoader.html#a9719eebc6d1ae15591808cf464b1b582">debugLogger</a> << <span class="stringliteral">"Could not find file \""</span> << fileName << <span class="stringliteral">"\".\n"</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  << <span class="stringliteral">"Please download the MNIST data set.\n"</span>;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  exit(1);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  int8_t zero = 0, encoding = 0, dimension = 0;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  int32_t images = 0, rows = 0, cols = 0, items = 0;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  inputFile.read(reinterpret_cast<char*>(&zero), <span class="keyword">sizeof</span>(zero));</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="AssertionMacros_8h.html#ad2d9d7c2e23734bcf1af9a9c898842eb">OPENANN_CHECK_EQUALS</a>(0, (<span class="keywordtype">int</span>) zero);</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  inputFile.read(reinterpret_cast<char*>(&zero), <span class="keyword">sizeof</span>(zero));</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="AssertionMacros_8h.html#ad2d9d7c2e23734bcf1af9a9c898842eb">OPENANN_CHECK_EQUALS</a>(0, (<span class="keywordtype">int</span>) zero);</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  inputFile.read(reinterpret_cast<char*>(&encoding), <span class="keyword">sizeof</span>(encoding));</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="AssertionMacros_8h.html#ad2d9d7c2e23734bcf1af9a9c898842eb">OPENANN_CHECK_EQUALS</a>(8, (<span class="keywordtype">int</span>) encoding);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  inputFile.read(reinterpret_cast<char*>(&dimension), <span class="keyword">sizeof</span>(dimension));</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="AssertionMacros_8h.html#ad2d9d7c2e23734bcf1af9a9c898842eb">OPENANN_CHECK_EQUALS</a>(3, (<span class="keywordtype">int</span>) dimension);</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  read(inputFile, images);</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  read(inputFile, cols);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  read(inputFile, rows);</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="classIDXLoader.html#a164cd20816bda6c2906534d5425a2821">D</a> = (int)(rows * cols);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  N = (int) images;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span>(maxN > 0)</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  N = maxN;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">if</span>(<a class="code" href="classIDXLoader.html#a164cd20816bda6c2906534d5425a2821">D</a> < <a class="code" href="classIDXLoader.html#a6de2a25dbb2eae355a6e41b8cd0ef07d">padToX</a> * <a class="code" href="classIDXLoader.html#a08845de8613575097b62a68d391668b4">padToY</a>)</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classIDXLoader.html#a164cd20816bda6c2906534d5425a2821">D</a> = <a class="code" href="classIDXLoader.html#a6de2a25dbb2eae355a6e41b8cd0ef07d">padToX</a> * <a class="code" href="classIDXLoader.html#a08845de8613575097b62a68d391668b4">padToY</a>;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">int</span> colNumber = <a class="code" href="classIDXLoader.html#a6de2a25dbb2eae355a6e41b8cd0ef07d">padToX</a> > (int)cols ? <a class="code" href="classIDXLoader.html#a6de2a25dbb2eae355a6e41b8cd0ef07d">padToX</a> : (<span class="keywordtype">int</span>)cols;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  input.resize(N, <a class="code" href="classIDXLoader.html#a164cd20816bda6c2906534d5425a2821">D</a>);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> n = 0; n < <a class="code" href="namespacexor.html#ae621cb60e5c26909dc63d15b8e2581f2">N</a>; n++)</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  {</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">int</span> r = 0;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">for</span>(; r < (int) rows; r++)</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">int</span> c = 0;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">for</span>(; c < (int) cols; c++)</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  read(inputFile, tmp);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">double</span> value = (double) tmp;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  input(n, r * colNumber + c) = 1.0 - value / 255.0; <span class="comment">// scale to [0:1]</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">int</span> lastC = c - 1;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">for</span>(; c < <a class="code" href="classIDXLoader.html#a6de2a25dbb2eae355a6e41b8cd0ef07d">padToX</a>; c++)</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  input(n, r * colNumber + c) = input(n, r * colNumber + lastC);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">int</span> lastR = r - 1;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">for</span>(; r < <a class="code" href="classIDXLoader.html#a08845de8613575097b62a68d391668b4">padToY</a>; r++)</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> c = 0; c < <a class="code" href="classIDXLoader.html#a6de2a25dbb2eae355a6e41b8cd0ef07d">padToX</a>; c++)</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  input(n, r * colNumber + c) = input(n, lastR * colNumber + c);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  std::string labelFileName = train ?</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="classIDXLoader.html#acefca652c25eb0e3c8f8ad57757a8386">directory</a> + <span class="stringliteral">"/"</span> + std::string(<span class="stringliteral">"train-labels-idx1-ubyte"</span>) :</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="classIDXLoader.html#acefca652c25eb0e3c8f8ad57757a8386">directory</a> + <span class="stringliteral">"/"</span> + std::string(<span class="stringliteral">"t10k-labels-idx1-ubyte"</span>);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  std::fstream labelFile(labelFileName.c_str(), std::ios::in | std::ios::binary);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">if</span>(!labelFile.is_open())</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  {</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="classIDXLoader.html#a9719eebc6d1ae15591808cf464b1b582">debugLogger</a> << <span class="stringliteral">"Could not find file \""</span> << labelFileName << <span class="stringliteral">"\".\n"</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  << <span class="stringliteral">"Please download the MNIST data set.\n"</span>;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  exit(1);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  labelFile.read(reinterpret_cast<char*>(&zero), <span class="keyword">sizeof</span>(zero));</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="AssertionMacros_8h.html#ad2d9d7c2e23734bcf1af9a9c898842eb">OPENANN_CHECK_EQUALS</a>(0, (<span class="keywordtype">int</span>) zero);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  labelFile.read(reinterpret_cast<char*>(&zero), <span class="keyword">sizeof</span>(zero));</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="AssertionMacros_8h.html#ad2d9d7c2e23734bcf1af9a9c898842eb">OPENANN_CHECK_EQUALS</a>(0, (<span class="keywordtype">int</span>) zero);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  labelFile.read(reinterpret_cast<char*>(&encoding), <span class="keyword">sizeof</span>(encoding));</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <a class="code" href="AssertionMacros_8h.html#ad2d9d7c2e23734bcf1af9a9c898842eb">OPENANN_CHECK_EQUALS</a>(8, (<span class="keywordtype">int</span>) encoding);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  labelFile.read(reinterpret_cast<char*>(&dimension), <span class="keyword">sizeof</span>(dimension));</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="AssertionMacros_8h.html#ad2d9d7c2e23734bcf1af9a9c898842eb">OPENANN_CHECK_EQUALS</a>(1, (<span class="keywordtype">int</span>) dimension);</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  read(labelFile, items);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="AssertionMacros_8h.html#ad2d9d7c2e23734bcf1af9a9c898842eb">OPENANN_CHECK_EQUALS</a>(images, items);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="classIDXLoader.html#a68066d7a10494a04b56777dd7933f5cd">F</a> = 10;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  output.resize(N, <a class="code" href="classIDXLoader.html#a68066d7a10494a04b56777dd7933f5cd">F</a>);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> n = 0; n < <a class="code" href="namespacexor.html#ae621cb60e5c26909dc63d15b8e2581f2">N</a>; n++)</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  {</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  read(labelFile, tmp);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> c = 0; c < <a class="code" href="classIDXLoader.html#a68066d7a10494a04b56777dd7933f5cd">F</a>; c++)</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  output(n, c) = (255 - (int) tmp) == c ? 1.0 : 0.0;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">void</span> read(std::fstream& stream, <a class="code" href="namespacesine.html#a5eec15d136977d47b133c067fb2d761a">T</a>& t)</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  stream.read(reinterpret_cast<char*>(&t), <span class="keyword">sizeof</span>(t));</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span>(<span class="keyword">sizeof</span>(t) == 4)</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  t = htobe32(t);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span>(<span class="keyword">sizeof</span>(t) == 1)</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  t = 255 - t;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> };</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">#endif // IDX_LOADER_H_</span></div>
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