backup/C-Plus-Plus
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/C-Plus-Plus.git synced 2026-03-22 04:42:10 +08:00
Code Issues Projects Releases Wiki Activity
Files
e7edde96abf000def3eb0618a4f9687e9037cc80
C-Plus-Plus/d1/ded/windowed__median_8cpp_source.html
realstealthninja 14583a2f33 Documentation for c26eea874d
2025-05-19 11:38:33 +00:00

300 lines
40 KiB
HTML
Raw Blame History

<!-- HTML header for doxygen 1.12.0-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.13.2"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>TheAlgorithms/C++: probability/windowed_median.cpp Source File</title>
<link rel="icon" href="../../favicon.svg" type="image/x-icon" />
<link href="../../tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../jquery.js"></script>
<script type="text/javascript" src="../../dynsections.js"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/@xpack-3rd-party/doxygen-awesome-css@2.2.0-1/doxygen-awesome-darkmode-toggle.js"></script>
<script type="text/javascript">
DoxygenAwesomeDarkModeToggle.init()
</script>
<script type="text/javascript" src="../../clipboard.js"></script>
<link href="../../navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../navtreedata.js"></script>
<script type="text/javascript" src="../../navtree.js"></script>
<script type="text/javascript" src="../../resize.js"></script>
<script type="text/javascript" src="../../cookie.js"></script>
<link href="../../search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../search/searchdata.js"></script>
<script type="text/javascript" src="../../search/search.js"></script>
<script type="text/javascript">
window.MathJax = {
options: {
ignoreHtmlClass: 'tex2jax_ignore',
processHtmlClass: 'tex2jax_process'
},
loader: {
load: ['[tex]/ams']
},
tex: {
macros: {},
packages: ['base','configmacros','ams']
}
};
</script>
<script type="text/javascript" id="MathJax-script" async="async" src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js"></script>
<link href="../../doxygen.css" rel="stylesheet" type="text/css" />
<link href="../../doxygen-awesome.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr id="projectrow">
<td id="projectlogo"><img alt="Logo" src="../../project_logo.png"/></td>
<td id="projectalign">
<div id="projectname">TheAlgorithms/C++<span id="projectnumber">&#160;1.0.0</span>
</div>
<div id="projectbrief">All the algorithms implemented in C++</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- 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');
/* @license-end */
</script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() { codefold.init(1); });
/* @license-end */
</script>
<script type="text/javascript" src="../../menudata.js"></script>
<script type="text/javascript" src="../../menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() {
initMenu('../../',true,false,'search.php','Search',true);
$(function() { init_search(); });
});
/* @license-end */
</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function(){initNavTree('d1/ded/windowed__median_8cpp_source.html','../../'); initResizable(true); });
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<div id="MSearchResults">
<div class="SRPage">
<div id="SRIndex">
<div id="SRResults"></div>
<div class="SRStatus" id="Loading">Loading...</div>
<div class="SRStatus" id="Searching">Searching...</div>
<div class="SRStatus" id="NoMatches">No Matches</div>
</div>
</div>
</div>
</div>
<div class="header">
<div class="headertitle"><div class="title">windowed_median.cpp</div></div>
</div><!--header-->
<div class="contents">
<a href="../../d1/ded/windowed__median_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="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include &lt;cassert&gt;</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include &lt;cstdlib&gt;</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include &lt;ctime&gt;</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include &lt;list&gt;</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include &lt;set&gt;</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include &lt;vector&gt;</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d4/ded/namespaceprobability.html">probability</a> {</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../dd/d21/namespacewindowed__median.html">windowed_median</a> {</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="keyword">using </span>Window = std::list&lt;int&gt;;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="keyword">using </span>size_type = Window::size_type;</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span></div>
<div class="foldopen" id="foldopen00056" data-start="{" data-end="};">
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html"> 56</a></span><span class="keyword">class </span><a class="code hl_function" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aac676369661d15a3eb782c0fee77d45d">WindowedMedian</a> {</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"><a class="line" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aafda847b152684578dab891e5268d750"> 57</a></span> <span class="keyword">const</span> size_type <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aafda847b152684578dab891e5268d750">_windowSize</a>; </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a825a7aaef844c9f743a27b268e8569b2"> 58</a></span> Window <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a825a7aaef844c9f743a27b268e8569b2">_window</a>; </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aacd76f078632faee1a8788d031e6c2de"> 59</a></span> std::multiset&lt;int&gt; <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aacd76f078632faee1a8788d031e6c2de">_sortedValues</a>; </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> std::multiset&lt;int&gt;::const_iterator</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20"> 62</a></span> <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">_itMedian</a>; </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span></div>
<div class="foldopen" id="foldopen00069" data-start="{" data-end="}">
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"><a class="line" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a3a7f57679e9cd6c9f042dfd0612b2b24"> 69</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a3a7f57679e9cd6c9f042dfd0612b2b24">insertToSorted</a>(<span class="keywordtype">int</span> value) {</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aacd76f078632faee1a8788d031e6c2de">_sortedValues</a>.insert(value); </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">const</span> <span class="keyword">auto</span> sz = <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aacd76f078632faee1a8788d031e6c2de">_sortedValues</a>.size();</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">if</span> (sz == 1) { </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">_itMedian</a> = <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aacd76f078632faee1a8788d031e6c2de">_sortedValues</a>.begin();</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> }</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">if</span> (value &lt; *<a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">_itMedian</a> &amp;&amp; sz % 2 == 0) {</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> --<a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">_itMedian</a>; <span class="comment">// O(1) - traversing one step to the left child</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="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (value &gt;= *<a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">_itMedian</a> &amp;&amp; sz % 2 != 0) {</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> ++<a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">_itMedian</a>; </div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> }</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> }</div>
</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span></div>
<div class="foldopen" id="foldopen00095" data-start="{" data-end="}">
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"><a class="line" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#af544e271ea19a6fd69a6b3ed6816453e"> 95</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#af544e271ea19a6fd69a6b3ed6816453e">eraseFromSorted</a>(<span class="keywordtype">int</span> value) {</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">const</span> <span class="keyword">auto</span> sz = <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aacd76f078632faee1a8788d031e6c2de">_sortedValues</a>.size();</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">if</span> (value &lt;= *<a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">_itMedian</a> &amp;&amp; sz % 2 == 0) {</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> ++<a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">_itMedian</a>; </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> }</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (value &gt;= *<a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">_itMedian</a> &amp;&amp; sz % 2 != 0) {</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> --<a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">_itMedian</a>; <span class="comment">// O(1) - traversing one step to the left child</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> }</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">const</span> <span class="keyword">auto</span> it = <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aacd76f078632faee1a8788d031e6c2de">_sortedValues</a>.find(value); <span class="comment">// O(logN)</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aacd76f078632faee1a8788d031e6c2de">_sortedValues</a>.erase(it); <span class="comment">// O(logN)</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> }</div>
</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"><a class="line" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aac676369661d15a3eb782c0fee77d45d"> 123</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aac676369661d15a3eb782c0fee77d45d">WindowedMedian</a>(size_type windowSize) : <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aafda847b152684578dab891e5268d750">_windowSize</a>(windowSize){};</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span></div>
<div class="foldopen" id="foldopen00129" data-start="{" data-end="}">
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"><a class="line" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a6b52b7851750f28d53508e63c52a69f7"> 129</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a6b52b7851750f28d53508e63c52a69f7">insert</a>(<span class="keywordtype">int</span> value) {</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a825a7aaef844c9f743a27b268e8569b2">_window</a>.push_back(value);</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <a class="code hl_function" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a3a7f57679e9cd6c9f042dfd0612b2b24">insertToSorted</a>(value); <span class="comment">// Insert value to the multi-value BST - O(logN)</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a825a7aaef844c9f743a27b268e8569b2">_window</a>.size() &gt; <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aafda847b152684578dab891e5268d750">_windowSize</a>) { </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <a class="code hl_function" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#af544e271ea19a6fd69a6b3ed6816453e">eraseFromSorted</a>(</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a825a7aaef844c9f743a27b268e8569b2">_window</a>.front()); </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a825a7aaef844c9f743a27b268e8569b2">_window</a>.pop_front(); </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> }</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> }</div>
</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span></div>
<div class="foldopen" id="foldopen00148" data-start="{" data-end="}">
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"><a class="line" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a938cafbdf70dc01e86e9bb12d29ec65d"> 148</a></span> <span class="keywordtype">float</span> <a class="code hl_function" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a938cafbdf70dc01e86e9bb12d29ec65d">getMedian</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aacd76f078632faee1a8788d031e6c2de">_sortedValues</a>.size() % 2 != 0) {</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">return</span> *<a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">_itMedian</a>; <span class="comment">// O(1)</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> }</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">return</span> 0.5f * *<a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">_itMedian</a> + 0.5f * *next(<a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">_itMedian</a>); </div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> }</div>
</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span></div>
<div class="foldopen" id="foldopen00161" data-start="{" data-end="}">
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"><a class="line" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a61804988fcb1a6caf640f8291979aaa6"> 161</a></span> <span class="keywordtype">float</span> <a class="code hl_function" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a61804988fcb1a6caf640f8291979aaa6">getMedianNaive</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keyword">auto</span> window = <a class="code hl_variable" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a825a7aaef844c9f743a27b268e8569b2">_window</a>;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> window.sort(); </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">auto</span> median =</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> *next(window.begin(),</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> window.size() / 2); </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keywordflow">if</span> (window.size() % 2 != 0) {</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">return</span> median;</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> }</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordflow">return</span> 0.5f * median +</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> 0.5f * *next(window.begin(), window.size() / 2 - 1); </div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> }</div>
</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span>};</div>
</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span>} <span class="comment">// namespace windowed_median</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span>} <span class="comment">// namespace probability</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span></div>
<div class="foldopen" id="foldopen00182" data-start="{" data-end="}">
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"><a class="line" href="../../d1/ded/windowed__median_8cpp.html#a6dc652a36ea42ba262c4e4236e3e6601"> 182</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>(<span class="keyword">const</span> std::vector&lt;int&gt; &amp;vals, <span class="keywordtype">int</span> windowSize) {</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <a class="code hl_class" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html">probability::windowed_median::WindowedMedian</a> windowedMedian(windowSize);</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> val : vals) {</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> windowedMedian.<a class="code hl_function" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a6b52b7851750f28d53508e63c52a69f7">insert</a>(val);</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> assert(windowedMedian.<a class="code hl_function" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a938cafbdf70dc01e86e9bb12d29ec65d">getMedian</a>() == windowedMedian.<a class="code hl_function" href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a61804988fcb1a6caf640f8291979aaa6">getMedianNaive</a>());</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> }</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span>}</div>
</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span></div>
<div class="foldopen" id="foldopen00198" data-start="{" data-end="}">
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"><a class="line" href="../../d1/ded/windowed__median_8cpp.html#ac0f2228420376f4db7e1274f2b41667c"> 198</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="keyword">const</span> <span class="keywordtype">char</span> *argv[]) {</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>({1, 2, 3, 4, 5, 6, 7, 8, 9},</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> 3); </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>({9, 8, 7, 6, 5, 4, 3, 2, 1},</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> 3); </div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>({9, 8, 7, 6, 5, 4, 5, 6}, 4); </div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>({3, 3, 3, 3, 3, 3, 3, 3, 3}, 3); </div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>({3, 3, 3, 3, 7, 3, 3, 3, 3}, 3); </div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>({4, 3, 3, -5, -5, 1, 3, 4, 5},</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> 5); </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>({470211272, 101027544, 1457850878, 1458777923, 2007237709, 823564440,</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> 1115438165, 1784484492, 74243042, 114807987},</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> 6);</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> std::srand(<span class="keyword">static_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">&gt;</span>(std::time(<span class="keyword">nullptr</span>)));</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> std::vector&lt;int&gt; vals;</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 8; i &lt; 100; i++) {</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="keyword">const</span> <span class="keyword">auto</span> n =</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> 1 + std::rand() /</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> ((RAND_MAX + 5u) / 20); </div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keyword">auto</span> windowSize =</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> 1 + std::rand() / ((RAND_MAX + 3u) /</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> 10); </div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> vals.clear();</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> vals.reserve(n);</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; n; i++) {</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> vals.push_back(</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> rand() - RAND_MAX); </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> }</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>(vals, windowSize); </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> }</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span>}</div>
</div>
<div class="ttc" id="aclassprobability_1_1windowed__median_1_1_windowed_median_html"><div class="ttname"><a href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html">probability::windowed_median::WindowedMedian</a></div><div class="ttdoc">A class to calculate the median of a leading sliding window at the back of a stream of integer values...</div><div class="ttdef"><b>Definition</b> <a href="#l00056">windowed_median.cpp:56</a></div></div>
<div class="ttc" id="aclassprobability_1_1windowed__median_1_1_windowed_median_html_a3a7f57679e9cd6c9f042dfd0612b2b24"><div class="ttname"><a href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a3a7f57679e9cd6c9f042dfd0612b2b24">probability::windowed_median::WindowedMedian::insertToSorted</a></div><div class="ttdeci">void insertToSorted(int value)</div><div class="ttdoc">Inserts a value to a sorted multi-value BST.</div><div class="ttdef"><b>Definition</b> <a href="#l00069">windowed_median.cpp:69</a></div></div>
<div class="ttc" id="aclassprobability_1_1windowed__median_1_1_windowed_median_html_a55ae3543a76045dffcb5ec7904a32a20"><div class="ttname"><a href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a55ae3543a76045dffcb5ec7904a32a20">probability::windowed_median::WindowedMedian::_itMedian</a></div><div class="ttdeci">std::multiset&lt; int &gt;::const_iterator _itMedian</div><div class="ttdef"><b>Definition</b> <a href="#l00062">windowed_median.cpp:62</a></div></div>
<div class="ttc" id="aclassprobability_1_1windowed__median_1_1_windowed_median_html_a61804988fcb1a6caf640f8291979aaa6"><div class="ttname"><a href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a61804988fcb1a6caf640f8291979aaa6">probability::windowed_median::WindowedMedian::getMedianNaive</a></div><div class="ttdeci">float getMedianNaive() const</div><div class="ttdoc">A naive and inefficient method to obtain the median of the sliding window. Used for testing!</div><div class="ttdef"><b>Definition</b> <a href="#l00161">windowed_median.cpp:161</a></div></div>
<div class="ttc" id="aclassprobability_1_1windowed__median_1_1_windowed_median_html_a6b52b7851750f28d53508e63c52a69f7"><div class="ttname"><a href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a6b52b7851750f28d53508e63c52a69f7">probability::windowed_median::WindowedMedian::insert</a></div><div class="ttdeci">void insert(int value)</div><div class="ttdoc">Insert a new value to the stream.</div><div class="ttdef"><b>Definition</b> <a href="#l00129">windowed_median.cpp:129</a></div></div>
<div class="ttc" id="aclassprobability_1_1windowed__median_1_1_windowed_median_html_a825a7aaef844c9f743a27b268e8569b2"><div class="ttname"><a href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a825a7aaef844c9f743a27b268e8569b2">probability::windowed_median::WindowedMedian::_window</a></div><div class="ttdeci">Window _window</div><div class="ttdoc">a sliding window of values along the stream</div><div class="ttdef"><b>Definition</b> <a href="#l00058">windowed_median.cpp:58</a></div></div>
<div class="ttc" id="aclassprobability_1_1windowed__median_1_1_windowed_median_html_a938cafbdf70dc01e86e9bb12d29ec65d"><div class="ttname"><a href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#a938cafbdf70dc01e86e9bb12d29ec65d">probability::windowed_median::WindowedMedian::getMedian</a></div><div class="ttdeci">float getMedian() const</div><div class="ttdoc">Gets the median of the values in the sliding window.</div><div class="ttdef"><b>Definition</b> <a href="#l00148">windowed_median.cpp:148</a></div></div>
<div class="ttc" id="aclassprobability_1_1windowed__median_1_1_windowed_median_html_aac676369661d15a3eb782c0fee77d45d"><div class="ttname"><a href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aac676369661d15a3eb782c0fee77d45d">probability::windowed_median::WindowedMedian::WindowedMedian</a></div><div class="ttdeci">WindowedMedian(size_type windowSize)</div><div class="ttdoc">Constructs a WindowedMedian object.</div><div class="ttdef"><b>Definition</b> <a href="#l00123">windowed_median.cpp:123</a></div></div>
<div class="ttc" id="aclassprobability_1_1windowed__median_1_1_windowed_median_html_aacd76f078632faee1a8788d031e6c2de"><div class="ttname"><a href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aacd76f078632faee1a8788d031e6c2de">probability::windowed_median::WindowedMedian::_sortedValues</a></div><div class="ttdeci">std::multiset&lt; int &gt; _sortedValues</div><div class="ttdef"><b>Definition</b> <a href="#l00059">windowed_median.cpp:59</a></div></div>
<div class="ttc" id="aclassprobability_1_1windowed__median_1_1_windowed_median_html_aafda847b152684578dab891e5268d750"><div class="ttname"><a href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#aafda847b152684578dab891e5268d750">probability::windowed_median::WindowedMedian::_windowSize</a></div><div class="ttdeci">const size_type _windowSize</div><div class="ttdoc">sliding window size</div><div class="ttdef"><b>Definition</b> <a href="#l00057">windowed_median.cpp:57</a></div></div>
<div class="ttc" id="aclassprobability_1_1windowed__median_1_1_windowed_median_html_af544e271ea19a6fd69a6b3ed6816453e"><div class="ttname"><a href="../../df/d34/classprobability_1_1windowed__median_1_1_windowed_median.html#af544e271ea19a6fd69a6b3ed6816453e">probability::windowed_median::WindowedMedian::eraseFromSorted</a></div><div class="ttdeci">void eraseFromSorted(int value)</div><div class="ttdoc">Erases a value from a sorted multi-value BST.</div><div class="ttdef"><b>Definition</b> <a href="#l00095">windowed_median.cpp:95</a></div></div>
<div class="ttc" id="agenerate__parentheses_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Self-test implementations.</div><div class="ttdef"><b>Definition</b> <a href="../../dd/d1e/generate__parentheses_8cpp_source.html#l00082">generate_parentheses.cpp:82</a></div></div>
<div class="ttc" id="agenerate__parentheses_8cpp_html_gae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../dd/d1e/generate__parentheses_8cpp.html#gae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdoc">Main function.</div><div class="ttdef"><b>Definition</b> <a href="../../dd/d1e/generate__parentheses_8cpp_source.html#l00110">generate_parentheses.cpp:110</a></div></div>
<div class="ttc" id="anamespaceprobability_html"><div class="ttname"><a href="../../d4/ded/namespaceprobability.html">probability</a></div><div class="ttdoc">Probability algorithms.</div></div>
<div class="ttc" id="anamespacewindowed__median_html"><div class="ttname"><a href="../../dd/d21/namespacewindowed__median.html">windowed_median</a></div><div class="ttdoc">Functions for the Windowed Median algorithm implementation.</div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="../../dir_82e494173a87936756866de2fa774307.html">probability</a></li><li class="navelem"><a class="el" href="../../d1/ded/windowed__median_8cpp.html">windowed_median.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> 1.13.2 </li>
</ul>
</div>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink