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<div class="title">load_csv.hpp</div> </div>
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<a href="load__csv_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#ifndef MLPACK_CORE_DATA_LOAD_CSV_HPP</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#define MLPACK_CORE_DATA_LOAD_CSV_HPP</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <boost/spirit/include/qi.hpp></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <boost/algorithm/string/trim.hpp></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <<a class="code" href="core_8hpp.html">mlpack/core.hpp</a>></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <<a class="code" href="log_8hpp.html">mlpack/core/util/log.hpp</a>></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <set></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="extension_8hpp.html">extension.hpp</a>"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="format_8hpp.html">format.hpp</a>"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="dataset__mapper_8hpp.html">dataset_mapper.hpp</a>"</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span><a class="code" href="namespacemlpack.html">mlpack</a> {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>data {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1LoadCSV.html"> 36</a></span> <span class="keyword">class </span><a class="code" href="classmlpack_1_1data_1_1LoadCSV.html">LoadCSV</a></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">explicit</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a3a80fb23a4415455d5583cab79544913">LoadCSV</a>(<a class="code" href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">std::string</a> <a class="code" href="CMakeLists_8txt.html#adea3fe14b4bcd7b759ab67e9930e6e9c">file</a>, <span class="keywordtype">bool</span> fatal = <span class="keyword">false</span>);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> PolicyType></div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1LoadCSV.html#ae13f7084cf28e281b3aa822f0ce04fe7"> 42</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#ae13f7084cf28e281b3aa822f0ce04fe7">Load</a>(arma::Mat<T> &inout, <a class="code" href="classmlpack_1_1data_1_1DatasetMapper.html">DatasetMapper<PolicyType></a> &infoSet, <span class="keywordtype">bool</span> transpose = <span class="keyword">true</span>)</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">if</span>(!<a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#aa0ada0f53879df706d266304eac1b3e2">CanOpen</a>())</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">if</span>(transpose)</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="classmlpack_1_1data_1_1LoadCSV.html#acb5e7fc11c378f4812a24218f8288fc1">TranposeParse</a>(inout, infoSet);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">else</span></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>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a3dc03a3b1baec22fa1bb79f670104478">NonTranposeParse</a>(inout, infoSet);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abf39098beb23cc69b050839062ade0e5">ColSize</a>();</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a4f9bb3dcd883e33617bfa451e830c01d">RowSize</a>();</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> MapPolicy></div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1LoadCSV.html#ad52ba08f12e45c089aaeb53017a16168"> 73</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#ad52ba08f12e45c089aaeb53017a16168">GetMatrixSize</a>(<span class="keywordtype">size_t</span>& rows, <span class="keywordtype">size_t</span>& cols, <a class="code" href="classmlpack_1_1data_1_1DatasetMapper.html">DatasetMapper<MapPolicy></a>& info)</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// Take a pass through the file. If the DatasetMapper policy requires it,</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// we will pass everything string through MapString(). This might be useful</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// if, e.g., the MapPolicy needs to find which dimensions are numeric or</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// categorical.</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// Reset to the start of the file.</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>.clear();</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>.seekg(0, std::ios::beg);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  rows = 0;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  cols = 0;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// First, count the number of rows in the file (this is the dimensionality).</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">std::string</a> line;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">while</span> (std::getline(<a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>, line))</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  ++rows;</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>  info = <a class="code" href="classmlpack_1_1data_1_1DatasetMapper.html">DatasetMapper<MapPolicy></a>(rows);</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>  <span class="comment">// Now, jump back to the beginning of the file.</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>.clear();</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>.seekg(0, std::ios::beg);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  rows = 0;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">while</span> (std::getline(<a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>, line))</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>  ++rows;</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>  <span class="keywordflow">if</span> (rows == 1)</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>  <span class="comment">// Extract the number of columns.</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">auto</span> findColSize = [&cols](<a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#aca41856ec0293c244c1c95a36e4b9941">iter_type</a>) { ++cols; };</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  boost::spirit::qi::phrase_parse(line.begin(), line.end(),</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a4ea647f72a708737fd989167c2b3a991">CreateCharRule</a>()[findColSize] % <span class="stringliteral">","</span>, boost::spirit::ascii::space);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// I guess this is technically a second pass, but that's ok... still the</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// same idea...</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span> (MapPolicy::NeedsFirstPass)</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  {</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// In this case we must pass everything we parse to the MapPolicy.</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">auto</span> firstPassMap = [&](<span class="keyword">const</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#aca41856ec0293c244c1c95a36e4b9941">iter_type</a>& iter)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">std::string</a> str(iter.begin(), iter.end());</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (str == <span class="stringliteral">"\t"</span>)</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  str.clear();</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  boost::trim(str);</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  info.template MapFirstPass<T>(std::move(str), rows - 1);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  };</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// Now parse the line.</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  boost::spirit::qi::phrase_parse(line.begin(), line.end(),</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a4ea647f72a708737fd989167c2b3a991">CreateCharRule</a>()[firstPassMap] % <span class="stringliteral">","</span>, boost::spirit::ascii::space);</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> MapPolicy></div><div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1LoadCSV.html#ada3323a7ca0ec5f955fb26ab10d05f5d"> 133</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#ada3323a7ca0ec5f955fb26ab10d05f5d">GetTransposeMatrixSize</a>(<span class="keywordtype">size_t</span>& rows, <span class="keywordtype">size_t</span>& cols, <a class="code" href="classmlpack_1_1data_1_1DatasetMapper.html">DatasetMapper<MapPolicy></a>& info)</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// Take a pass through the file. If the DatasetMapper policy requires it,</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// we will pass everything string through MapString(). This might be useful</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// if, e.g., the MapPolicy needs to find which dimensions are numeric or</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// categorical.</span></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>  <span class="comment">// Reset to the start of the file.</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>.clear();</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>.seekg(0, std::ios::beg);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  rows = 0;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  cols = 0;</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>  <a class="code" href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">std::string</a> line;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">while</span> (std::getline(<a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>, line))</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  {</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  ++cols;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span> (cols == 1)</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// Extract the number of dimensions.</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">auto</span> findRowSize = [&rows](<a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#aca41856ec0293c244c1c95a36e4b9941">iter_type</a>) { ++rows; };</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  boost::spirit::qi::phrase_parse(line.begin(), line.end(),</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a4ea647f72a708737fd989167c2b3a991">CreateCharRule</a>()[findRowSize] % <span class="stringliteral">","</span>, boost::spirit::ascii::space);</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// Now that we know the dimensionality, initialize the DatasetMapper.</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  info = <a class="code" href="classmlpack_1_1data_1_1DatasetMapper.html">DatasetMapper<MapPolicy></a>(rows);</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">// If we need to do a first pass for the DatasetMapper, do it.</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (MapPolicy::NeedsFirstPass)</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  {</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordtype">size_t</span> dim = 0;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// In this case we must pass everything we parse to the MapPolicy.</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">auto</span> firstPassMap = [&](<span class="keyword">const</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#aca41856ec0293c244c1c95a36e4b9941">iter_type</a>& iter)</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  {</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">std::string</a> str(iter.begin(), iter.end());</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (str == <span class="stringliteral">"\t"</span>)</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  str.clear();</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  boost::trim(str);</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  info.template MapFirstPass<T>(std::move(str), dim++);</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  };</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// Now parse the line.</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  boost::spirit::qi::phrase_parse(line.begin(), line.end(),</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a4ea647f72a708737fd989167c2b3a991">CreateCharRule</a>()[firstPassMap] % <span class="stringliteral">","</span>, boost::spirit::ascii::space);</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1LoadCSV.html#aca41856ec0293c244c1c95a36e4b9941"> 186</a></span>  <span class="keyword">using</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#aca41856ec0293c244c1c95a36e4b9941">iter_type</a> = boost::iterator_range<std::string::iterator>;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="structmlpack_1_1data_1_1LoadCSV_1_1ElemParser.html"> 188</a></span>  <span class="keyword">struct </span><a class="code" href="structmlpack_1_1data_1_1LoadCSV_1_1ElemParser.html">ElemParser</a></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  {</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">//return int_parser if the type of T is_integral</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">static</span> <span class="keyword">typename</span> std::enable_if<std::is_integral<T>::value,</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  boost::spirit::qi::int_parser<T>>::type</div><div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="structmlpack_1_1data_1_1LoadCSV_1_1ElemParser.html#a8ab118fbbb58cfb97fa4896023c10eb1"> 194</a></span>  <a class="code" href="structmlpack_1_1data_1_1LoadCSV_1_1ElemParser.html#a8ab118fbbb58cfb97fa4896023c10eb1">Parser</a>()</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  {</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">return</span> boost::spirit::qi::int_parser<T>();</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">//return real_parser if T is floating_point</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">static</span> <span class="keyword">typename</span> std::enable_if<std::is_floating_point<T>::value,</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  boost::spirit::qi::real_parser<T>>::type</div><div class="line"><a name="l00203"></a><span class="lineno"><a class="line" href="structmlpack_1_1data_1_1LoadCSV_1_1ElemParser.html#af342f3b09bc6c7b33e05d41928ee1ce2"> 203</a></span>  <a class="code" href="structmlpack_1_1data_1_1LoadCSV_1_1ElemParser.html#af342f3b09bc6c7b33e05d41928ee1ce2">Parser</a>()</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  {</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">return</span> boost::spirit::qi::real_parser<T>();</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  };</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordtype">bool</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#aa0ada0f53879df706d266304eac1b3e2">CanOpen</a>();</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> PolicyType></div><div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1LoadCSV.html#a3dc03a3b1baec22fa1bb79f670104478"> 212</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a3dc03a3b1baec22fa1bb79f670104478">NonTranposeParse</a>(arma::Mat<T> &inout, <a class="code" href="classmlpack_1_1data_1_1DatasetMapper.html">DatasetMapper<PolicyType></a> &infoSet)</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  {</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">using namespace </span>boost::spirit;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="comment">// Get the size of the matrix.</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordtype">size_t</span> rows, cols;</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  GetMatrixSize<T>(rows, cols, infoSet);</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// Set up output matrix.</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  inout.set_size(rows, cols);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">size_t</span> row = 0;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">size_t</span> col = 0;</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="comment">// Reset file position.</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">std::string</a> line;</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>.clear();</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>.seekg(0, std::ios::beg);</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">auto</span> setCharClass = [&](<a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#aca41856ec0293c244c1c95a36e4b9941">iter_type</a> <span class="keyword">const</span> &iter)</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  {</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <a class="code" href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">std::string</a> str(iter.begin(), iter.end());</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (str == <span class="stringliteral">"\t"</span>)</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  {</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  str.clear();</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  boost::trim(str);</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  inout(row, col++) = infoSet.template MapString<T>(std::move(str), row);</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  };</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keyword">auto</span> charRule = <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a4ea647f72a708737fd989167c2b3a991">CreateCharRule</a>();</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">while</span> (std::getline(<a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>, line))</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  {</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="comment">//parse the numbers from a line(ex : 1,2,3,4), if the parser find the number</span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="comment">//it will execute the setNum function</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> canParse = qi::phrase_parse(line.begin(), line.end(),</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  charRule[setCharClass] % <span class="stringliteral">","</span>, ascii::space);</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">if</span> (!canParse)</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  {</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"LoadCSV cannot parse categories"</span>);</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  }</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  ++row; col = 0;</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  }</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> PolicyType></div><div class="line"><a name="l00260"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1LoadCSV.html#acb5e7fc11c378f4812a24218f8288fc1"> 260</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#acb5e7fc11c378f4812a24218f8288fc1">TranposeParse</a>(arma::Mat<T> &inout, <a class="code" href="classmlpack_1_1data_1_1DatasetMapper.html">DatasetMapper<PolicyType></a> &infoSet)</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  {</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// Get matrix size. This also initializes infoSet correctly.</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordtype">size_t</span> rows, cols;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  GetTransposeMatrixSize<T>(rows, cols, infoSet);</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="comment">// Set the matrix size.</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  inout.set_size(rows, cols);</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a404ab555e4f50364808bdfe847bb6de4">TranposeParseImpl</a>(inout, infoSet);</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  }</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> PolicyType></div><div class="line"><a name="l00272"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1LoadCSV.html#a404ab555e4f50364808bdfe847bb6de4"> 272</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a404ab555e4f50364808bdfe847bb6de4">TranposeParseImpl</a>(arma::Mat<T>& inout,</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <a class="code" href="classmlpack_1_1data_1_1DatasetMapper.html">DatasetMapper<PolicyType></a>& infoSet)</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  {</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keyword">using namespace </span>boost::spirit;</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordtype">size_t</span> row = 0;</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordtype">size_t</span> col = 0;</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <a class="code" href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">std::string</a> line;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>.clear();</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>.seekg(0, std::ios::beg);</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keyword">auto</span> setCharClass = [&](<a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#aca41856ec0293c244c1c95a36e4b9941">iter_type</a> <span class="keyword">const</span> &iter)</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  {</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// All parsed values must be mapped.</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <a class="code" href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">std::string</a> str(iter.begin(), iter.end());</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">if</span> (str == <span class="stringliteral">"\t"</span>)</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  str.clear();</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  boost::trim(str);</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  inout(row, col) = infoSet.template MapString<T>(std::move(str), row);</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  ++row;</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  };</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span> </div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keyword">auto</span> charRule = <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a4ea647f72a708737fd989167c2b3a991">CreateCharRule</a>();</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">while</span> (std::getline(<a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>, line))</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  {</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  row = 0;</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">//parse number of characters from a line, it will execute setNum if it is number,</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="comment">//else execute setCharClass, "|" means "if not a, then b"</span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="comment">// Assemble the rule</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> canParse = qi::phrase_parse(line.begin(), line.end(),</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  charRule[setCharClass] % <span class="stringliteral">","</span>,</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  ascii::space);</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">if</span>(!canParse)</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  {</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"LoadCSV cannot parse categories"</span>);</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  }</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  ++col;</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  }</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  }</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  boost::spirit::qi::rule<std::string::iterator, T(), boost::spirit::ascii::space_type></div><div class="line"><a name="l00318"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1LoadCSV.html#af65a3a5b9e33a5926eeed1dfa361e725"> 318</a></span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#af65a3a5b9e33a5926eeed1dfa361e725">CreateNumRule</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keyword">using namespace </span>boost::spirit;</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">//elemParser will generate integer or real parser based on T</span></div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keyword">auto</span> elemParser = ElemParser::Parser<T>();</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">//qi::skip can specify which characters you want to skip,</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="comment">//in this example, elemParser will parse int or double value,</span></div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="comment">//we use qi::skip to skip space</span></div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> </div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="comment">//qi::omit can omit the attributes of spirit, every parser of spirit</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="comment">//has attribute(the type will pass into actions(functor))</span></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="comment">//if you do not omit it, the attribute combine with attribute may</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="comment">//change the attribute</span></div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">//input like 2-200 or 2DM will make the parser fail,</span></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="comment">//so we use "look ahead parser--&" to make sure next</span></div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="comment">//character is "," or end of line(eof) or end of file(eoi)</span></div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="comment">//looks ahead parser will not consume any input or generate</span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="comment">//any attribute</span></div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">if</span>(<a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#aabe360c952da56ee91b64ade44b9e24d">extension</a> == <span class="stringliteral">"csv"</span> || <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#aabe360c952da56ee91b64ade44b9e24d">extension</a> == <span class="stringliteral">"txt"</span>)</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  {</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">return</span> elemParser >> &(qi::lit(<span class="stringliteral">","</span>) | qi::eol | qi::eoi);</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  }</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  {</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">return</span> elemParser >> &(qi::lit(<span class="stringliteral">"\t"</span>) | qi::eol | qi::eoi);</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  }</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  boost::spirit::qi::rule<std::string::iterator, iter_type(), boost::spirit::ascii::space_type></div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a4ea647f72a708737fd989167c2b3a991">CreateCharRule</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div><div class="line"><a name="l00351"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1LoadCSV.html#aabe360c952da56ee91b64ade44b9e24d"> 351</a></span>  <a class="code" href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">std::string</a> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#aabe360c952da56ee91b64ade44b9e24d">extension</a>;</div><div class="line"><a name="l00352"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1LoadCSV.html#a8a11c9e0906d6ec36776dcfd0732b3d6"> 352</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#a8a11c9e0906d6ec36776dcfd0732b3d6">fatalIfOpenFail</a>;</div><div class="line"><a name="l00353"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1LoadCSV.html#ac510e24026756943cf7466d34e2c1485"> 353</a></span>  <a class="code" href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">std::string</a> <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#ac510e24026756943cf7466d34e2c1485">fileName</a>;</div><div class="line"><a name="l00354"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9"> 354</a></span>  std::ifstream <a class="code" href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">inFile</a>;</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> };</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span> } <span class="comment">// namespace data</span></div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> } <span class="comment">// namespace mlpack</span></div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="structmlpack_1_1data_1_1LoadCSV_1_1ElemParser_html"><div class="ttname"><a href="structmlpack_1_1data_1_1LoadCSV_1_1ElemParser.html">mlpack::data::LoadCSV::ElemParser</a></div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00188">load_csv.hpp:188</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1DatasetMapper_html"><div class="ttname"><a href="classmlpack_1_1data_1_1DatasetMapper.html">mlpack::data::DatasetMapper</a></div><div class="ttdoc">Auxiliary information for a dataset, including mappings to/from strings and the datatype of each dime...</div><div class="ttdef"><b>Definition:</b> <a href="dataset__mapper_8hpp_source.html#l00036">dataset_mapper.hpp:36</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html">mlpack::data::LoadCSV</a></div><div class="ttdoc">Load the csv file.This class use boost::spirit to implement the parser, please refer to following lin...</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00036">load_csv.hpp:36</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_a3dc03a3b1baec22fa1bb79f670104478"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#a3dc03a3b1baec22fa1bb79f670104478">mlpack::data::LoadCSV::NonTranposeParse</a></div><div class="ttdeci">void NonTranposeParse(arma::Mat< T > &inout, DatasetMapper< PolicyType > &infoSet)</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00212">load_csv.hpp:212</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_aa0ada0f53879df706d266304eac1b3e2"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#aa0ada0f53879df706d266304eac1b3e2">mlpack::data::LoadCSV::CanOpen</a></div><div class="ttdeci">bool CanOpen()</div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_ada3323a7ca0ec5f955fb26ab10d05f5d"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#ada3323a7ca0ec5f955fb26ab10d05f5d">mlpack::data::LoadCSV::GetTransposeMatrixSize</a></div><div class="ttdeci">void GetTransposeMatrixSize(size_t &rows, size_t &cols, DatasetMapper< MapPolicy > &info)</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00133">load_csv.hpp:133</a></div></div>
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<div class="ttc" id="extension_8hpp_html"><div class="ttname"><a href="extension_8hpp.html">extension.hpp</a></div></div>
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<div class="ttc" id="namespacemlpack_html"><div class="ttname"><a href="namespacemlpack.html">mlpack</a></div><div class="ttdoc">Linear algebra utility functions, generally performed on matrices or vectors. </div><div class="ttdef"><b>Definition:</b> <a href="binarize_8hpp_source.html#l00018">binarize.hpp:18</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_acb5e7fc11c378f4812a24218f8288fc1"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#acb5e7fc11c378f4812a24218f8288fc1">mlpack::data::LoadCSV::TranposeParse</a></div><div class="ttdeci">void TranposeParse(arma::Mat< T > &inout, DatasetMapper< PolicyType > &infoSet)</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00260">load_csv.hpp:260</a></div></div>
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<div class="ttc" id="CMakeLists_8txt_html_adea3fe14b4bcd7b759ab67e9930e6e9c"><div class="ttname"><a href="CMakeLists_8txt.html#adea3fe14b4bcd7b759ab67e9930e6e9c">file</a></div><div class="ttdeci">*h file(GLOB_RECURSE INCLUDE_HPP_FILES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}*.hpp) set(INCLUDE_FILES $</div><div class="ttdef"><b>Definition:</b> <a href="CMakeLists_8txt_source.html#l00064">CMakeLists.txt:64</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_a404ab555e4f50364808bdfe847bb6de4"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#a404ab555e4f50364808bdfe847bb6de4">mlpack::data::LoadCSV::TranposeParseImpl</a></div><div class="ttdeci">bool TranposeParseImpl(arma::Mat< T > &inout, DatasetMapper< PolicyType > &infoSet)</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00272">load_csv.hpp:272</a></div></div>
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<div class="ttc" id="format_8hpp_html"><div class="ttname"><a href="format_8hpp.html">format.hpp</a></div></div>
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<div class="ttc" id="structmlpack_1_1data_1_1LoadCSV_1_1ElemParser_html_a8ab118fbbb58cfb97fa4896023c10eb1"><div class="ttname"><a href="structmlpack_1_1data_1_1LoadCSV_1_1ElemParser.html#a8ab118fbbb58cfb97fa4896023c10eb1">mlpack::data::LoadCSV::ElemParser::Parser</a></div><div class="ttdeci">static std::enable_if< std::is_integral< T >::value, boost::spirit::qi::int_parser< T > >::type Parser()</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00194">load_csv.hpp:194</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_ac510e24026756943cf7466d34e2c1485"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#ac510e24026756943cf7466d34e2c1485">mlpack::data::LoadCSV::fileName</a></div><div class="ttdeci">std::string fileName</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00353">load_csv.hpp:353</a></div></div>
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<div class="ttc" id="structmlpack_1_1data_1_1LoadCSV_1_1ElemParser_html_af342f3b09bc6c7b33e05d41928ee1ce2"><div class="ttname"><a href="structmlpack_1_1data_1_1LoadCSV_1_1ElemParser.html#af342f3b09bc6c7b33e05d41928ee1ce2">mlpack::data::LoadCSV::ElemParser::Parser</a></div><div class="ttdeci">static std::enable_if< std::is_floating_point< T >::value, boost::spirit::qi::real_parser< T > >::type Parser()</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00203">load_csv.hpp:203</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_a4ea647f72a708737fd989167c2b3a991"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#a4ea647f72a708737fd989167c2b3a991">mlpack::data::LoadCSV::CreateCharRule</a></div><div class="ttdeci">boost::spirit::qi::rule< std::string::iterator, iter_type(), boost::spirit::ascii::space_type > CreateCharRule() const </div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_abedd86c7536f0d5d3b1be168dcccabd9"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#abedd86c7536f0d5d3b1be168dcccabd9">mlpack::data::LoadCSV::inFile</a></div><div class="ttdeci">std::ifstream inFile</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00354">load_csv.hpp:354</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_ad52ba08f12e45c089aaeb53017a16168"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#ad52ba08f12e45c089aaeb53017a16168">mlpack::data::LoadCSV::GetMatrixSize</a></div><div class="ttdeci">void GetMatrixSize(size_t &rows, size_t &cols, DatasetMapper< MapPolicy > &info)</div><div class="ttdoc">Peek at the file to determine the number of rows and columns in the matrix, assuming a non-transposed...</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00073">load_csv.hpp:73</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_abf39098beb23cc69b050839062ade0e5"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#abf39098beb23cc69b050839062ade0e5">mlpack::data::LoadCSV::ColSize</a></div><div class="ttdeci">size_t ColSize()</div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_ae13f7084cf28e281b3aa822f0ce04fe7"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#ae13f7084cf28e281b3aa822f0ce04fe7">mlpack::data::LoadCSV::Load</a></div><div class="ttdeci">void Load(arma::Mat< T > &inout, DatasetMapper< PolicyType > &infoSet, bool transpose=true)</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00042">load_csv.hpp:42</a></div></div>
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<div class="ttc" id="core_8hpp_html"><div class="ttname"><a href="core_8hpp.html">core.hpp</a></div><div class="ttdoc">Include all of the base components required to write MLPACK methods, and the main MLPACK Doxygen docu...</div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_aabe360c952da56ee91b64ade44b9e24d"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#aabe360c952da56ee91b64ade44b9e24d">mlpack::data::LoadCSV::extension</a></div><div class="ttdeci">std::string extension</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00351">load_csv.hpp:351</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_a4f9bb3dcd883e33617bfa451e830c01d"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#a4f9bb3dcd883e33617bfa451e830c01d">mlpack::data::LoadCSV::RowSize</a></div><div class="ttdeci">size_t RowSize()</div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_aca41856ec0293c244c1c95a36e4b9941"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#aca41856ec0293c244c1c95a36e4b9941">mlpack::data::LoadCSV::iter_type</a></div><div class="ttdeci">boost::iterator_range< std::string::iterator > iter_type</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00186">load_csv.hpp:186</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_a8a11c9e0906d6ec36776dcfd0732b3d6"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#a8a11c9e0906d6ec36776dcfd0732b3d6">mlpack::data::LoadCSV::fatalIfOpenFail</a></div><div class="ttdeci">bool fatalIfOpenFail</div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00352">load_csv.hpp:352</a></div></div>
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<div class="ttc" id="dataset__mapper_8hpp_html"><div class="ttname"><a href="dataset__mapper_8hpp.html">dataset_mapper.hpp</a></div></div>
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<div class="ttc" id="bindings_2matlab_2CMakeLists_8txt_html_ad3a3f86b22ab94a882506e9e614165f1"><div class="ttname"><a href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">string</a></div><div class="ttdeci">test cpp RESULT_VARIABLE MEX_RESULT_TRASH OUTPUT_VARIABLE MEX_OUTPUT ERROR_VARIABLE MEX_ERROR_TRASH string(REGEX MATCH"Warning: You are using"MEX_WARNING"${MEX_OUTPUT}") if(MEX_WARNING) string(REGEX REPLACE".*using [a-zA-Z]* version \"([0-9.]*)[^\"]*\".*""\\1"OTHER_COMPILER_VERSION"$</div><div class="ttdef"><b>Definition:</b> <a href="bindings_2matlab_2CMakeLists_8txt_source.html#l00018">CMakeLists.txt:18</a></div></div>
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<div class="ttc" id="log_8hpp_html"><div class="ttname"><a href="log_8hpp.html">log.hpp</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_a3a80fb23a4415455d5583cab79544913"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#a3a80fb23a4415455d5583cab79544913">mlpack::data::LoadCSV::LoadCSV</a></div><div class="ttdeci">LoadCSV(std::string file, bool fatal=false)</div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1LoadCSV_html_af65a3a5b9e33a5926eeed1dfa361e725"><div class="ttname"><a href="classmlpack_1_1data_1_1LoadCSV.html#af65a3a5b9e33a5926eeed1dfa361e725">mlpack::data::LoadCSV::CreateNumRule</a></div><div class="ttdeci">boost::spirit::qi::rule< std::string::iterator, T(), boost::spirit::ascii::space_type > CreateNumRule() const </div><div class="ttdef"><b>Definition:</b> <a href="load__csv_8hpp_source.html#l00318">load_csv.hpp:318</a></div></div>
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