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 <span id="projectnumber">1.1.0</span>
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<div id="projectbrief">An open source library for artificial neural networks.</div>
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<li class="navelem"><a class="el" href="dir_f128aa1447a98eefc0df3f91bf5f583f.html">OpenANN</a></li><li class="navelem"><a class="el" href="dir_e7514f542f536d406f5d9b81b2a9ae86.html">util</a></li> </ul>
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<div class="title">EigenWrapper.h</div> </div>
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<a href="EigenWrapper_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 OPENANN_UTIL_EIGEN_WRAPPER_H_</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor"></span><span class="preprocessor">#define OPENANN_UTIL_EIGEN_WRAPPER_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 <cmath></span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <cstdarg></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keywordtype">int</span> M, <span class="keywordtype">int</span> N></div>
<div class="line"><a name="l00010"></a><span class="lineno"><a class="code" href="EigenWrapper_8h.html#a29e25e7bdf352143dc0323a42da9f68a"> 10</a></span> <span class="keywordtype">bool</span> <a class="code" href="EigenWrapper_8h.html#a29e25e7bdf352143dc0323a42da9f68a">equals</a>(<span class="keyword">const</span> Eigen::Matrix<T, M, N>& a, <span class="keyword">const</span> Eigen::Matrix<T, M, N>& b, <a class="code" href="namespacesine.html#a5eec15d136977d47b133c067fb2d761a">T</a> delta)</div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> {</div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  Eigen::Matrix<T, M, N> d = a - b;</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i < d.rows(); i++) <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = 0; j < d.cols(); j++)</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="keywordflow">if</span>(std::fabs(d(i, j)) > delta)</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="keywordflow">return</span> <span class="keyword">false</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="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</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"><a class="code" href="EigenWrapper_8h.html#a4d5b07e36bfcb73e5d56e008acef6249"> 21</a></span> <span class="preprocessor">#define OPENANN_CHECK_MATRIX_NAN(matrix) \</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"> OPENANN_CHECK(!isMatrixNan(matrix));</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keywordtype">int</span> M, <span class="keywordtype">int</span> N></div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="code" href="EigenWrapper_8h.html#ae3c19acbeb2df4e3dcbd80b1b791bf55"> 25</a></span> <span class="keywordtype">bool</span> <a class="code" href="EigenWrapper_8h.html#ae3c19acbeb2df4e3dcbd80b1b791bf55">isMatrixNan</a>(<span class="keyword">const</span> Eigen::Matrix<T, M, N> m)</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> {</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i < m.rows(); i++) <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = 0; j < m.cols(); j++)</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">if</span>(std::isnan(m(i, j)))</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  }</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> }</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="code" href="EigenWrapper_8h.html#a797ad5507f8fb6e6bd87d48c49ea2e7e"> 35</a></span> <span class="preprocessor">#define OPENANN_CHECK_MATRIX_INF(matrix) \</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"> OPENANN_CHECK(!isMatrixInf(matrix));</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keywordtype">int</span> M, <span class="keywordtype">int</span> N></div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="code" href="EigenWrapper_8h.html#a25f2a7d576bde6a4b7b386fce135e89a"> 39</a></span> <span class="keywordtype">bool</span> <a class="code" href="EigenWrapper_8h.html#a25f2a7d576bde6a4b7b386fce135e89a">isMatrixInf</a>(<span class="keyword">const</span> Eigen::Matrix<T, M, N> m)</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="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i < m.rows(); i++) <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = 0; j < m.cols(); j++)</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">if</span>(std::isinf(m(i, j)))</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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> <span class="keyword">false</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"><a class="code" href="EigenWrapper_8h.html#a98dc7259c857958e60cb7620d247c94f"> 49</a></span> <span class="preprocessor">#define OPENANN_CHECK_MATRIX_BROKEN(matrix) \</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"> OPENANN_CHECK(!isMatrixBroken(matrix));</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keywordtype">int</span> M, <span class="keywordtype">int</span> N></div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="code" href="EigenWrapper_8h.html#afcb9f422d4b279123aae1411ba32c912"> 53</a></span> <span class="keywordtype">bool</span> <a class="code" href="EigenWrapper_8h.html#afcb9f422d4b279123aae1411ba32c912">isMatrixBroken</a>(<span class="keyword">const</span> Eigen::Matrix<T, M, N> m)</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>  <span class="keywordflow">return</span> <a class="code" href="EigenWrapper_8h.html#ae3c19acbeb2df4e3dcbd80b1b791bf55">isMatrixNan</a>(m) || <a class="code" href="EigenWrapper_8h.html#a25f2a7d576bde6a4b7b386fce135e89a">isMatrixInf</a>(m);</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> <span class="keywordtype">void</span> <a class="code" href="EigenWrapper_8h.html#a7c581274fd7b14a341d78a99fdaa75f4">pack</a>(Eigen::VectorXd& vec, <span class="keywordtype">int</span> components, ...);</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keywordtype">void</span> <a class="code" href="EigenWrapper_8h.html#a8603205319f55ab6bff0055438eee088">unpack</a>(<span class="keyword">const</span> Eigen::VectorXd& vec, <span class="keywordtype">int</span> components, ...);</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#endif // OPENANN_UTIL_EIGEN_WRAPPER_H_</span></div>
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