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realstealthninja
2025-05-19 11:38:33 +00:00
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@@ -4,7 +4,7 @@
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<meta name="generator" content="Doxygen 1.12.0"/>
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<title>TheAlgorithms/C++: math/realtime_stats.cpp Source File</title>
<link rel="icon" href="../../favicon.svg" type="image/x-icon" />
@@ -60,7 +60,7 @@ window.MathJax = {
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.12.0 -->
<!-- Generated by Doxygen 1.13.2 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "../../search/",'.html');
@@ -124,13 +124,13 @@ $(function(){initNavTree('d0/d08/realtime__stats_8cpp_source.html','../../'); in
<div class="headertitle"><div class="title">realtime_stats.cpp</div></div>
</div><!--header-->
<div class="contents">
<a href="../../d0/d08/realtime__stats_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span> </div>
<a href="../../d0/d08/realtime__stats_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include &lt;cassert&gt;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include &lt;cmath&gt;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d2/dcf/namespacestatistics.html">statistics</a> {</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="foldopen" id="foldopen00027" data-start="{" data-end="};">
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="../../d7/d7c/classstatistics_1_1stats__computer1.html"> 27</a></span><span class="keyword">class </span><a class="code hl_class" href="../../d7/d7c/classstatistics_1_1stats__computer1.html">stats_computer1</a> {</div>
@@ -145,14 +145,14 @@ $(function(){initNavTree('d0/d08/realtime__stats_8cpp_source.html','../../'); in
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> Ex2 += <span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span>(tmp) * tmp;</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> }</div>
</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"><a class="line" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a390697dcee210b91823ceff04b25081b"> 42</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a390697dcee210b91823ceff04b25081b">mean</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> K + Ex / n; }</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a27f0a03e2fd2254f1c81fe668226bd92"> 45</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a27f0a03e2fd2254f1c81fe668226bd92">variance</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (Ex2 - (Ex * Ex) / n) / (n - 1); }</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"><a class="line" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#af57e942d49f4fd70f059f224b4ac07e1"> 48</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#af57e942d49f4fd70f059f224b4ac07e1">std</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> std::sqrt(this-&gt;<a class="code hl_function" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a27f0a03e2fd2254f1c81fe668226bd92">variance</a>()); }</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="foldopen" id="foldopen00053" data-start="{" data-end="};">
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span></div>
<div class="foldopen" id="foldopen00053" data-start="{" data-end="}">
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"><a class="line" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a350bf6c429691d3578c4dfc6679a0797"> 53</a></span> <span class="keyword">friend</span> std::istream &amp;<a class="code hl_friend" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a350bf6c429691d3578c4dfc6679a0797">operator&gt;&gt;</a>(std::istream &amp;input,</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <a class="code hl_class" href="../../d7/d7c/classstatistics_1_1stats__computer1.html">stats_computer1</a> &amp;stat) {</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> T val;</div>
@@ -168,7 +168,7 @@ $(function(){initNavTree('d0/d08/realtime__stats_8cpp_source.html','../../'); in
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> T K;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span>};</div>
</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="foldopen" id="foldopen00072" data-start="{" data-end="};">
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="../../d8/dab/classstatistics_1_1stats__computer2.html"> 72</a></span><span class="keyword">class </span><a class="code hl_class" href="../../d8/dab/classstatistics_1_1stats__computer2.html">stats_computer2</a> {</div>
@@ -182,14 +182,14 @@ $(function(){initNavTree('d0/d08/realtime__stats_8cpp_source.html','../../'); in
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> M += delta * delta2;</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> }</div>
</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"><a class="line" href="../../d8/dab/classstatistics_1_1stats__computer2.html#a8290966ad468f2a8c266d008bc60720e"> 86</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#a8290966ad468f2a8c266d008bc60720e">mean</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mu; }</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"><a class="line" href="../../d8/dab/classstatistics_1_1stats__computer2.html#af6198817084276113b3c064e87ce0555"> 89</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#af6198817084276113b3c064e87ce0555">variance</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> M / n; }</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"><a class="line" href="../../d8/dab/classstatistics_1_1stats__computer2.html#acf2e84df4fc386bb3295016ef8fd156e"> 92</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#acf2e84df4fc386bb3295016ef8fd156e">std</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> std::sqrt(this-&gt;<a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#af6198817084276113b3c064e87ce0555">variance</a>()); }</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="foldopen" id="foldopen00097" data-start="{" data-end="};">
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span></div>
<div class="foldopen" id="foldopen00097" data-start="{" data-end="}">
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"><a class="line" href="../../d8/dab/classstatistics_1_1stats__computer2.html#ab444d485c9e7db35bdc2ff6b7775291a"> 97</a></span> <span class="keyword">friend</span> std::istream &amp;<a class="code hl_friend" href="../../d8/dab/classstatistics_1_1stats__computer2.html#ab444d485c9e7db35bdc2ff6b7775291a">operator&gt;&gt;</a>(std::istream &amp;input,</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <a class="code hl_class" href="../../d8/dab/classstatistics_1_1stats__computer2.html">stats_computer2</a> &amp;stat) {</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> T val;</div>
@@ -209,7 +209,7 @@ $(function(){initNavTree('d0/d08/realtime__stats_8cpp_source.html','../../'); in
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span><span class="keyword">using </span><a class="code hl_class" href="../../d7/d7c/classstatistics_1_1stats__computer1.html">statistics::stats_computer1</a>;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span><span class="keyword">using </span><a class="code hl_class" href="../../d8/dab/classstatistics_1_1stats__computer2.html">statistics::stats_computer2</a>;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span></div>
<div class="foldopen" id="foldopen00118" data-start="{" data-end="}">
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"><a class="line" href="../../d0/d08/realtime__stats_8cpp.html#aa54c915581fcc495489175a4386d59fd"> 118</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d0/d08/realtime__stats_8cpp.html#aa54c915581fcc495489175a4386d59fd">test_function</a>(<span class="keyword">const</span> <span class="keywordtype">float</span> *test_data, <span class="keyword">const</span> <span class="keywordtype">int</span> number_of_samples) {</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordtype">float</span> mean = 0.f, variance = 0.f;</div>
@@ -250,7 +250,7 @@ $(function(){initNavTree('d0/d08/realtime__stats_8cpp_source.html','../../'); in
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> std::cout &lt;&lt; <span class="stringliteral">&quot;(Tests passed)&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span>}</div>
</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span></div>
<div class="foldopen" id="foldopen00158" data-start="{" data-end="}">
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"><a class="line" href="../../d0/d08/realtime__stats_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627"> 158</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#gae66f6b31b5ad750f1fe042a706a4e3d4">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv) {</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keyword">const</span> <span class="keywordtype">float</span> test_data1[] = {3, 4, 5, -1.4, -3.6, 1.9, 1.};</div>
@@ -310,7 +310,7 @@ $(function(){initNavTree('d0/d08/realtime__stats_8cpp_source.html','../../'); in
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="../../dir_296d53ceaeaa7e099814a6def439fe8a.html">math</a></li><li class="navelem"><a class="el" href="../../d0/d08/realtime__stats_8cpp.html">realtime_stats.cpp</a></li>
<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="../../doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.12.0 </li>
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