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<tr class="memdesc:d8/d77/namespacemachine__learning"><td class="mdescLeft">&#160;</td><td class="mdescRight"><a href="https://en.wikipedia.org/wiki/A*_search_algorithm" target="_blank">A* search algorithm</a> <br /></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:gaf5ce14f026d6d231bef29161bac2b485"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d9/d66/group__machine__learning.html#gaf5ce14f026d6d231bef29161bac2b485">_random</a> (double a, double b)</td></tr>
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<tr class="memitem:gabc90175770bf0d5853c466e14993a08c"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d9/d66/group__machine__learning.html#gabc90175770bf0d5853c466e14993a08c">save_2d_data</a> (const char *fname, const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/valarray.html">std::valarray</a>&lt; double &gt; &gt; &amp;X)</td></tr>
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<tr class="memitem:ga60f9186ccb682724a8792a2bf81e9b9e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d9/d66/group__machine__learning.html#ga60f9186ccb682724a8792a2bf81e9b9e">get_min_2d</a> (const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/valarray.html">std::valarray</a>&lt; double &gt; &gt; &amp;X, double *val, int *x_idx, int *y_idx)</td></tr>
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<tr class="memitem:gae0208548f8b393528e5db01717e88e67"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d9/d66/group__machine__learning.html#gae0208548f8b393528e5db01717e88e67">save_nd_data</a> (const char *fname, const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/valarray.html">std::valarray</a>&lt; double &gt; &gt; &amp;X)</td></tr>
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Variables</h2></td></tr>
<tr class="memitem:ga5118e5cbc4f0886e27b3a7a2544dded1"><td class="memItemLeft" align="right" valign="top">constexpr int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d9/d66/group__machine__learning.html#ga5118e5cbc4f0886e27b3a7a2544dded1">MAX_ITER</a> = 500</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2 class="groupheader">Function Documentation</h2>
<a id="gaf5ce14f026d6d231bef29161bac2b485" name="gaf5ce14f026d6d231bef29161bac2b485"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gaf5ce14f026d6d231bef29161bac2b485">&#9670;&nbsp;</a></span>_random()</h2>
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<td class="memname">double _random </td>
<td>(</td>
<td class="paramtype">double&#160;</td>
<td class="paramname"><em>a</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double&#160;</td>
<td class="paramname"><em>b</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p >Helper function to generate a random number in a given interval. <br />
Steps:</p><ol type="1">
<li><code>r1 = rand() % 100</code> gets a random number between 0 and 99</li>
<li><code>r2 = r1 / 100</code> converts random number to be between 0 and 0.99</li>
<li>scale and offset the random number to given range of \([a,b]\)</li>
</ol>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">a</td><td>lower limit </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">b</td><td>upper limit </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>random number in the range \([a,b]\) </dd></dl>
<div class="fragment"><div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> {</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">return</span> ((b - a) * (<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/random/rand.html">std::rand</a>() % 100) / 100.f) + a;</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span>}</div>
<div class="ttc" id="arand_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/numeric/random/rand.html">std::rand</a></div><div class="ttdeci">T rand(T... args)</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#ga60f9186ccb682724a8792a2bf81e9b9e">&#9670;&nbsp;</a></span>get_min_2d()</h2>
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<td class="memname">void get_min_2d </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/valarray.html">std::valarray</a>&lt; double &gt; &gt; &amp;&#160;</td>
<td class="paramname"><em>X</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double *&#160;</td>
<td class="paramname"><em>val</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>x_idx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>y_idx</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p >Get minimum value and index of the value in a matrix </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">X</td><td>matrix to search </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">N</td><td>number of points in the vector </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">val</td><td>minimum value found </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">idx_x</td><td>x-index where minimum value was found </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">idx_y</td><td>y-index where minimum value was found </td></tr>
</table>
</dd>
</dl>
<div class="fragment"><div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> {</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> val[0] = INFINITY; <span class="comment">// initial min value</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordtype">size_t</span> N = X.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>();</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; N; i++) { <span class="comment">// traverse each x-index</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">auto</span> result = <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/min_element.html">std::min_element</a>(<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a>(X[i]), <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(X[i]));</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordtype">double</span> d_min = *result;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/ptrdiff_t.html">std::ptrdiff_t</a> j = <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/iterator/distance.html">std::distance</a>(<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a>(X[i]), result);</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">if</span> (d_min &lt; val[0]) { <span class="comment">// if a lower value is found</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// save the value and its index</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> x_idx[0] = i;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> y_idx[0] = j;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> val[0] = d_min;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> }</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span>}</div>
<div class="ttc" id="abegin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a></div><div class="ttdeci">T begin(T... args)</div></div>
<div class="ttc" id="adistance_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/distance.html">std::distance</a></div><div class="ttdeci">T distance(T... args)</div></div>
<div class="ttc" id="aend_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a></div><div class="ttdeci">T end(T... args)</div></div>
<div class="ttc" id="amin_element_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/min_element.html">std::min_element</a></div><div class="ttdeci">T min_element(T... args)</div></div>
<div class="ttc" id="aptrdiff_t_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/ptrdiff_t.html">std::ptrdiff_t</a></div></div>
<div class="ttc" id="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/size.html">std::vector::size</a></div><div class="ttdeci">T size(T... args)</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#gabc90175770bf0d5853c466e14993a08c">&#9670;&nbsp;</a></span>save_2d_data()</h2>
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<td class="memname">int save_2d_data </td>
<td>(</td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>fname</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/valarray.html">std::valarray</a>&lt; double &gt; &gt; &amp;&#160;</td>
<td class="paramname"><em>X</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<p >Save a given n-dimensional data martix to file.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">fname</td><td>filename to save in (gets overwriten without confirmation) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">X</td><td>matrix to save </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 if all ok </dd>
<dd>
-1 if file creation failed </dd></dl>
<div class="fragment"><div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> {</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordtype">size_t</span> num_points = X.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>(); <span class="comment">// number of rows</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordtype">size_t</span> num_features = X[0].<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>(); <span class="comment">// number of columns</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ofstream.html">std::ofstream</a> fp;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> fp.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ofstream/open.html">open</a>(fname);</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">if</span> (!fp.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ofstream/is_open.html">is_open</a>()) {</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// error with opening file to write</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cerr</a> &lt;&lt; <span class="stringliteral">&quot;Error opening file &quot;</span> &lt;&lt; fname &lt;&lt; <span class="stringliteral">&quot;: &quot;</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/byte/strerror.html">std::strerror</a>(errno) &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">return</span> -1;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> }</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="comment">// for each point in the array</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; num_points; i++) {</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="comment">// for each feature in the array</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j &lt; num_features; j++) {</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> fp &lt;&lt; X[i][j]; <span class="comment">// print the feature value</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">if</span> (j &lt; num_features - 1) { <span class="comment">// if not the last feature</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> fp &lt;&lt; <span class="stringliteral">&quot;,&quot;</span>; <span class="comment">// suffix comma</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> }</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> }</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">if</span> (i &lt; num_points - 1) { <span class="comment">// if not the last row</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> fp &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>; <span class="comment">// start a new line</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> }</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> }</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> fp.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ofstream/close.html">close</a>();</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>}</div>
<div class="ttc" id="abasic_ofstream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ofstream.html">std::ofstream</a></div></div>
<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cerr</a></div></div>
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<div class="ttc" id="ais_open_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ofstream/is_open.html">std::ofstream::is_open</a></div><div class="ttdeci">T is_open(T... args)</div></div>
<div class="ttc" id="aopen_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ofstream/open.html">std::ofstream::open</a></div><div class="ttdeci">T open(T... args)</div></div>
<div class="ttc" id="astrerror_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/byte/strerror.html">std::strerror</a></div><div class="ttdeci">T strerror(T... args)</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#gae0208548f8b393528e5db01717e88e67">&#9670;&nbsp;</a></span>save_nd_data()</h2>
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<td class="memname">int save_nd_data </td>
<td>(</td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>fname</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/valarray.html">std::valarray</a>&lt; double &gt; &gt; &amp;&#160;</td>
<td class="paramname"><em>X</em>&#160;</td>
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<p >Save a given n-dimensional data martix to file.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">fname</td><td>filename to save in (gets overwriten without confirmation) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">X</td><td>matrix to save </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 if all ok </dd>
<dd>
-1 if file creation failed </dd></dl>
<div class="fragment"><div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> {</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordtype">size_t</span> num_points = X.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>(); <span class="comment">// number of rows</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordtype">size_t</span> num_features = X[0].<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>(); <span class="comment">// number of columns</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ofstream.html">std::ofstream</a> fp;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> fp.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ofstream/open.html">open</a>(fname);</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">if</span> (!fp.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ofstream/is_open.html">is_open</a>()) {</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// error with opening file to write</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cerr</a> &lt;&lt; <span class="stringliteral">&quot;Error opening file &quot;</span> &lt;&lt; fname &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">return</span> -1;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> }</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// for each point in the array</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; num_points; i++) {</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// for each feature in the array</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j &lt; num_features; j++) {</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> fp &lt;&lt; X[i][j]; <span class="comment">// print the feature value</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">if</span> (j &lt; num_features - 1) { <span class="comment">// if not the last feature</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> fp &lt;&lt; <span class="stringliteral">&quot;,&quot;</span>; <span class="comment">// suffix comma</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> }</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> }</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">if</span> (i &lt; num_points - 1) { <span class="comment">// if not the last row</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> fp &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>; <span class="comment">// start a new line</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> }</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> }</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> fp.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ofstream/close.html">close</a>();</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span>}</div>
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<h2 class="groupheader">Variable Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ga5118e5cbc4f0886e27b3a7a2544dded1">&#9670;&nbsp;</a></span>MAX_ITER</h2>
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<td class="memname">constexpr int MAX_ITER = 500</td>
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<span class="mlabels"><span class="mlabel">constexpr</span></span> </td>
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<p >Maximum number of iterations to learn </p>
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