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<a href="max__iteration__termination_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>&#160;</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#ifndef MLPACK_METHODS_AMF_TERMINATION_POLICIES_MAX_ITERATION_TERMINATION_HPP</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#define MLPACK_METHODS_AMF_TERMINATION_POLICIES_MAX_ITERATION_TERMINATION_HPP</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacemlpack.html">mlpack</a> {</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="keyword">namespace </span>amf {</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;</div><div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="classmlpack_1_1amf_1_1MaxIterationTermination.html"> 23</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html">MaxIterationTermination</a></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;{</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#ad93e5736187af9b5a505fc48c174881b"> 33</a></span>&#160; <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#ad93e5736187af9b5a505fc48c174881b">MaxIterationTermination</a>(<span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aef8a1de14b1d30ac6dcc2df5bb6ec970">maxIterations</a>) :</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; maxIterations(maxIterations),</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aca8e4588aa1c4fb147997c56fd35fc2b">iteration</a>(0)</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="keywordflow">if</span> (maxIterations == 0)</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <a class="code" href="classmlpack_1_1Log.html#abbf3c5ac36654c0a8f17be3549388b38">Log::Warn</a> &lt;&lt; <span class="stringliteral">&quot;MaxIterationTermination::MaxIterationTermination(): given &quot;</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; &lt;&lt; <span class="stringliteral">&quot;number of iterations is 0, so algorithm will never terminate!&quot;</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; &lt;&lt; std::endl;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; }</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> MatType&gt;</div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#afb68fdfb8b8daef615bc52672d5a4b15"> 47</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#afb68fdfb8b8daef615bc52672d5a4b15">Initialize</a>(<span class="keyword">const</span> MatType&amp; <span class="comment">/* V */</span>) { }</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#a694fb442d3e8a1f4963a0d7168c19f73"> 52</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#a694fb442d3e8a1f4963a0d7168c19f73">IsConverged</a>(<span class="keyword">const</span> arma::mat&amp; <span class="comment">/* H */</span>, <span class="keyword">const</span> arma::mat&amp; <span class="comment">/* W */</span>)</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="comment">// Return true if we have performed the correct number of iterations.</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keywordflow">return</span> (++<a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aca8e4588aa1c4fb147997c56fd35fc2b">iteration</a> &gt;= <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aef8a1de14b1d30ac6dcc2df5bb6ec970">maxIterations</a>);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;</div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#acf252936220159e78b7880d5f680a10e"> 60</a></span>&#160; <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#acf252936220159e78b7880d5f680a10e">Index</a>()</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">return</span> (<a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aca8e4588aa1c4fb147997c56fd35fc2b">iteration</a> &gt; <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aef8a1de14b1d30ac6dcc2df5bb6ec970">maxIterations</a>) ? 0 : <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aef8a1de14b1d30ac6dcc2df5bb6ec970">maxIterations</a> - <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aca8e4588aa1c4fb147997c56fd35fc2b">iteration</a>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; }</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#ad1e7f83cc25db1f2b3a9a4e829082d1f"> 66</a></span>&#160; <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#ad1e7f83cc25db1f2b3a9a4e829082d1f">Iteration</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aca8e4588aa1c4fb147997c56fd35fc2b">iteration</a>; }</div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#a116db40a1242f1f6721f7321000e2130"> 68</a></span>&#160; <span class="keywordtype">size_t</span>&amp; <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#a116db40a1242f1f6721f7321000e2130">Iteration</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aca8e4588aa1c4fb147997c56fd35fc2b">iteration</a>; }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;</div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#a07bbbea7b23ce1f4533303f06daef235"> 71</a></span>&#160; <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#a07bbbea7b23ce1f4533303f06daef235">MaxIterations</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aef8a1de14b1d30ac6dcc2df5bb6ec970">maxIterations</a>; }</div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#a9bf0590c1be76c384449d8a669ce1a50"> 73</a></span>&#160; <span class="keywordtype">size_t</span>&amp; <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#a9bf0590c1be76c384449d8a669ce1a50">MaxIterations</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aef8a1de14b1d30ac6dcc2df5bb6ec970">maxIterations</a>; }</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aef8a1de14b1d30ac6dcc2df5bb6ec970"> 77</a></span>&#160; <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aef8a1de14b1d30ac6dcc2df5bb6ec970">maxIterations</a>;</div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aca8e4588aa1c4fb147997c56fd35fc2b"> 79</a></span>&#160; <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aca8e4588aa1c4fb147997c56fd35fc2b">iteration</a>;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;};</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;} <span class="comment">// namespace amf</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;} <span class="comment">// namespace mlpack</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="classmlpack_1_1amf_1_1MaxIterationTermination_html_ad1e7f83cc25db1f2b3a9a4e829082d1f"><div class="ttname"><a href="classmlpack_1_1amf_1_1MaxIterationTermination.html#ad1e7f83cc25db1f2b3a9a4e829082d1f">mlpack::amf::MaxIterationTermination::Iteration</a></div><div class="ttdeci">size_t Iteration() const </div><div class="ttdoc">Get the current iteration. </div><div class="ttdef"><b>Definition:</b> <a href="max__iteration__termination_8hpp_source.html#l00066">max_iteration_termination.hpp:66</a></div></div>
<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>
<div class="ttc" id="classmlpack_1_1amf_1_1MaxIterationTermination_html_afb68fdfb8b8daef615bc52672d5a4b15"><div class="ttname"><a href="classmlpack_1_1amf_1_1MaxIterationTermination.html#afb68fdfb8b8daef615bc52672d5a4b15">mlpack::amf::MaxIterationTermination::Initialize</a></div><div class="ttdeci">void Initialize(const MatType &amp;)</div><div class="ttdoc">Initialize for the given matrix V (there is nothing to do). </div><div class="ttdef"><b>Definition:</b> <a href="max__iteration__termination_8hpp_source.html#l00047">max_iteration_termination.hpp:47</a></div></div>
<div class="ttc" id="classmlpack_1_1amf_1_1MaxIterationTermination_html_aef8a1de14b1d30ac6dcc2df5bb6ec970"><div class="ttname"><a href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aef8a1de14b1d30ac6dcc2df5bb6ec970">mlpack::amf::MaxIterationTermination::maxIterations</a></div><div class="ttdeci">size_t maxIterations</div><div class="ttdoc">The maximum number of allowed iterations. </div><div class="ttdef"><b>Definition:</b> <a href="max__iteration__termination_8hpp_source.html#l00077">max_iteration_termination.hpp:77</a></div></div>
<div class="ttc" id="classmlpack_1_1Log_html_abbf3c5ac36654c0a8f17be3549388b38"><div class="ttname"><a href="classmlpack_1_1Log.html#abbf3c5ac36654c0a8f17be3549388b38">mlpack::Log::Warn</a></div><div class="ttdeci">static MLPACK_EXPORT util::PrefixedOutStream Warn</div><div class="ttdoc">Prints warning messages prefixed with [WARN ]. </div><div class="ttdef"><b>Definition:</b> <a href="log_8hpp_source.html#l00087">log.hpp:87</a></div></div>
<div class="ttc" id="classmlpack_1_1amf_1_1MaxIterationTermination_html_a694fb442d3e8a1f4963a0d7168c19f73"><div class="ttname"><a href="classmlpack_1_1amf_1_1MaxIterationTermination.html#a694fb442d3e8a1f4963a0d7168c19f73">mlpack::amf::MaxIterationTermination::IsConverged</a></div><div class="ttdeci">bool IsConverged(const arma::mat &amp;, const arma::mat &amp;)</div><div class="ttdoc">Check if convergence has occurred. </div><div class="ttdef"><b>Definition:</b> <a href="max__iteration__termination_8hpp_source.html#l00052">max_iteration_termination.hpp:52</a></div></div>
<div class="ttc" id="classmlpack_1_1amf_1_1MaxIterationTermination_html_acf252936220159e78b7880d5f680a10e"><div class="ttname"><a href="classmlpack_1_1amf_1_1MaxIterationTermination.html#acf252936220159e78b7880d5f680a10e">mlpack::amf::MaxIterationTermination::Index</a></div><div class="ttdeci">size_t Index()</div><div class="ttdoc">Return something similar to the residue, which in this case is just the number of iterations left...</div><div class="ttdef"><b>Definition:</b> <a href="max__iteration__termination_8hpp_source.html#l00060">max_iteration_termination.hpp:60</a></div></div>
<div class="ttc" id="classmlpack_1_1amf_1_1MaxIterationTermination_html_a07bbbea7b23ce1f4533303f06daef235"><div class="ttname"><a href="classmlpack_1_1amf_1_1MaxIterationTermination.html#a07bbbea7b23ce1f4533303f06daef235">mlpack::amf::MaxIterationTermination::MaxIterations</a></div><div class="ttdeci">size_t MaxIterations() const </div><div class="ttdoc">Get the maximum number of iterations. </div><div class="ttdef"><b>Definition:</b> <a href="max__iteration__termination_8hpp_source.html#l00071">max_iteration_termination.hpp:71</a></div></div>
<div class="ttc" id="classmlpack_1_1amf_1_1MaxIterationTermination_html"><div class="ttname"><a href="classmlpack_1_1amf_1_1MaxIterationTermination.html">mlpack::amf::MaxIterationTermination</a></div><div class="ttdoc">This termination policy only terminates when the maximum number of iterations has been reached...</div><div class="ttdef"><b>Definition:</b> <a href="max__iteration__termination_8hpp_source.html#l00023">max_iteration_termination.hpp:23</a></div></div>
<div class="ttc" id="classmlpack_1_1amf_1_1MaxIterationTermination_html_ad93e5736187af9b5a505fc48c174881b"><div class="ttname"><a href="classmlpack_1_1amf_1_1MaxIterationTermination.html#ad93e5736187af9b5a505fc48c174881b">mlpack::amf::MaxIterationTermination::MaxIterationTermination</a></div><div class="ttdeci">MaxIterationTermination(const size_t maxIterations)</div><div class="ttdoc">Construct the termination policy with the given number of iterations allowed (default 1000)...</div><div class="ttdef"><b>Definition:</b> <a href="max__iteration__termination_8hpp_source.html#l00033">max_iteration_termination.hpp:33</a></div></div>
<div class="ttc" id="classmlpack_1_1amf_1_1MaxIterationTermination_html_a116db40a1242f1f6721f7321000e2130"><div class="ttname"><a href="classmlpack_1_1amf_1_1MaxIterationTermination.html#a116db40a1242f1f6721f7321000e2130">mlpack::amf::MaxIterationTermination::Iteration</a></div><div class="ttdeci">size_t &amp; Iteration()</div><div class="ttdoc">Modify the current iteration. </div><div class="ttdef"><b>Definition:</b> <a href="max__iteration__termination_8hpp_source.html#l00068">max_iteration_termination.hpp:68</a></div></div>
<div class="ttc" id="classmlpack_1_1amf_1_1MaxIterationTermination_html_a9bf0590c1be76c384449d8a669ce1a50"><div class="ttname"><a href="classmlpack_1_1amf_1_1MaxIterationTermination.html#a9bf0590c1be76c384449d8a669ce1a50">mlpack::amf::MaxIterationTermination::MaxIterations</a></div><div class="ttdeci">size_t &amp; MaxIterations()</div><div class="ttdoc">Modify the maximum number of iterations. </div><div class="ttdef"><b>Definition:</b> <a href="max__iteration__termination_8hpp_source.html#l00073">max_iteration_termination.hpp:73</a></div></div>
<div class="ttc" id="classmlpack_1_1amf_1_1MaxIterationTermination_html_aca8e4588aa1c4fb147997c56fd35fc2b"><div class="ttname"><a href="classmlpack_1_1amf_1_1MaxIterationTermination.html#aca8e4588aa1c4fb147997c56fd35fc2b">mlpack::amf::MaxIterationTermination::iteration</a></div><div class="ttdeci">size_t iteration</div><div class="ttdoc">The number of the current iteration. </div><div class="ttdef"><b>Definition:</b> <a href="max__iteration__termination_8hpp_source.html#l00079">max_iteration_termination.hpp:79</a></div></div>
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