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| author | Mirrorbot <mirrorbot@cogarr.net> | 2025-12-27 17:53:06 -0600 |
|---|---|---|
| committer | Mirrorbot <mirrorbot@cogarr.net> | 2025-12-27 17:53:06 -0600 |
| commit | 71e94ee161447b84c0eaabf6567f8fa62262cd3e (patch) | |
| tree | 391064cc6173a6fe75069af2fdc1978af12f623e /doc/html/heapsort_8h_source.html | |
| download | irrlicht-master.tar.gz irrlicht-master.tar.bz2 irrlicht-master.zip | |
Diffstat (limited to 'doc/html/heapsort_8h_source.html')
| -rw-r--r-- | doc/html/heapsort_8h_source.html | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/doc/html/heapsort_8h_source.html b/doc/html/heapsort_8h_source.html new file mode 100644 index 0000000..c07a7c5 --- /dev/null +++ b/doc/html/heapsort_8h_source.html @@ -0,0 +1,188 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml"> +<head> +<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> +<title>Irrlicht 3D Engine: heapsort.h Source File</title> + +<link href="tabs.css" rel="stylesheet" type="text/css"/> +<link href="doxygen.css" rel="stylesheet" type="text/css" /> +<link href="navtree.css" rel="stylesheet" type="text/css"/> +<script type="text/javascript" src="jquery.js"></script> +<script type="text/javascript" src="resize.js"></script> +<script type="text/javascript" src="navtree.js"></script> +<script type="text/javascript"> + $(document).ready(initResizable); +</script> +<link href="search/search.css" rel="stylesheet" type="text/css"/> +<script type="text/javascript" src="search/search.js"></script> +<script type="text/javascript"> + $(document).ready(function() { searchBox.OnSelectItem(0); }); +</script> + +</head> +<body> +<div id="top"><!-- do not remove this div! --> + + +<div id="titlearea"> +<table cellspacing="0" cellpadding="0"> + <tbody> + <tr style="height: 56px;"> + + <td id="projectlogo"><img alt="Logo" src="irrlichtlogo.png"/></td> + + + <td style="padding-left: 0.5em;"> + <div id="projectname">Irrlicht 3D Engine + + </div> + + </td> + + + + + <td> <div id="MSearchBox" class="MSearchBoxInactive"> + <span class="left"> + <img id="MSearchSelect" src="search/mag_sel.png" + onmouseover="return searchBox.OnSearchSelectShow()" + onmouseout="return searchBox.OnSearchSelectHide()" + alt=""/> + <input type="text" id="MSearchField" value="Search" accesskey="S" + onfocus="searchBox.OnSearchFieldFocus(true)" + onblur="searchBox.OnSearchFieldFocus(false)" + onkeyup="searchBox.OnSearchFieldChange(event)"/> + </span><span class="right"> + <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> + </span> + </div> +</td> + + + </tr> + </tbody> +</table> +</div> + +<!-- Generated by Doxygen 1.7.5.1 --> +<script type="text/javascript"> +var searchBox = new SearchBox("searchBox", "search",false,'Search'); +</script> +<script type="text/javascript" src="dynsections.js"></script> +</div> +<div id="side-nav" class="ui-resizable side-nav-resizable"> + <div id="nav-tree"> + <div id="nav-tree-contents"> + </div> + </div> + <div id="splitbar" style="-moz-user-select:none;" + class="ui-resizable-handle"> + </div> +</div> +<script type="text/javascript"> + initNavTree('heapsort_8h.html',''); +</script> +<div id="doc-content"> +<div class="header"> + <div class="headertitle"> +<div class="title">heapsort.h</div> </div> +</div> +<div class="contents"> +<a href="heapsort_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (C) 2002-2012 Nikolaus Gebhardt</span> +<a name="l00002"></a>00002 <span class="comment">// This file is part of the "Irrlicht Engine".</span> +<a name="l00003"></a>00003 <span class="comment">// For conditions of distribution and use, see copyright notice in irrlicht.h</span> +<a name="l00004"></a>00004 +<a name="l00005"></a>00005 <span class="preprocessor">#ifndef __IRR_HEAPSORT_H_INCLUDED__</span> +<a name="l00006"></a>00006 <span class="preprocessor"></span><span class="preprocessor">#define __IRR_HEAPSORT_H_INCLUDED__</span> +<a name="l00007"></a>00007 <span class="preprocessor"></span> +<a name="l00008"></a>00008 <span class="preprocessor">#include "<a class="code" href="irr_types_8h.html">irrTypes.h</a>"</span> +<a name="l00009"></a>00009 +<a name="l00010"></a>00010 <span class="keyword">namespace </span>irr +<a name="l00011"></a>00011 { +<a name="l00012"></a>00012 <span class="keyword">namespace </span>core +<a name="l00013"></a>00013 { +<a name="l00014"></a>00014 +<a name="l00016"></a>00016 <span class="keyword">template</span><<span class="keyword">class</span> T> +<a name="l00017"></a><a class="code" href="namespaceirr_1_1core.html#ab594dc7075680259e758e4368cd471d1">00017</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceirr_1_1core.html#ab594dc7075680259e758e4368cd471d1" title="Sinks an element into the heap.">heapsink</a>(T*<a class="code" href="classirr_1_1core_1_1array.html" title="Self reallocating template array (like stl vector) with additional features.">array</a>, <a class="code" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> element, <a class="code" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> max) +<a name="l00018"></a>00018 { +<a name="l00019"></a>00019 <span class="keywordflow">while</span> ((element<<1) < max) <span class="comment">// there is a left child</span> +<a name="l00020"></a>00020 { +<a name="l00021"></a>00021 <a class="code" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> j = (element<<1); +<a name="l00022"></a>00022 +<a name="l00023"></a>00023 <span class="keywordflow">if</span> (j+1 < max && array[j] < array[j+1]) +<a name="l00024"></a>00024 j = j+1; <span class="comment">// take right child</span> +<a name="l00025"></a>00025 +<a name="l00026"></a>00026 <span class="keywordflow">if</span> (array[element] < array[j]) +<a name="l00027"></a>00027 { +<a name="l00028"></a>00028 T t = array[j]; <span class="comment">// swap elements</span> +<a name="l00029"></a>00029 array[j] = array[element]; +<a name="l00030"></a>00030 array[element] = t; +<a name="l00031"></a>00031 element = j; +<a name="l00032"></a>00032 } +<a name="l00033"></a>00033 <span class="keywordflow">else</span> +<a name="l00034"></a>00034 <span class="keywordflow">return</span>; +<a name="l00035"></a>00035 } +<a name="l00036"></a>00036 } +<a name="l00037"></a>00037 +<a name="l00038"></a>00038 +<a name="l00040"></a>00040 <span class="keyword">template</span><<span class="keyword">class</span> T> +<a name="l00041"></a><a class="code" href="namespaceirr_1_1core.html#aee38facdb42325b97626099d72f9a872">00041</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceirr_1_1core.html#aee38facdb42325b97626099d72f9a872" title="Sorts an array with size 'size' using heapsort.">heapsort</a>(T* array_, <a class="code" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> size) +<a name="l00042"></a>00042 { +<a name="l00043"></a>00043 <span class="comment">// for heapsink we pretent this is not c++, where</span> +<a name="l00044"></a>00044 <span class="comment">// arrays start with index 0. So we decrease the array pointer,</span> +<a name="l00045"></a>00045 <span class="comment">// the maximum always +2 and the element always +1</span> +<a name="l00046"></a>00046 +<a name="l00047"></a>00047 T* virtualArray = array_ - 1; +<a name="l00048"></a>00048 <a class="code" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> virtualSize = size + 2; +<a name="l00049"></a>00049 <a class="code" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> i; +<a name="l00050"></a>00050 +<a name="l00051"></a>00051 <span class="comment">// build heap</span> +<a name="l00052"></a>00052 +<a name="l00053"></a>00053 <span class="keywordflow">for</span> (i=((size-1)/2); i>=0; --i) +<a name="l00054"></a>00054 <a class="code" href="namespaceirr_1_1core.html#ab594dc7075680259e758e4368cd471d1" title="Sinks an element into the heap.">heapsink</a>(virtualArray, i+1, virtualSize-1); +<a name="l00055"></a>00055 +<a name="l00056"></a>00056 <span class="comment">// sort array, leave out the last element (0)</span> +<a name="l00057"></a>00057 <span class="keywordflow">for</span> (i=size-1; i>0; --i) +<a name="l00058"></a>00058 { +<a name="l00059"></a>00059 T t = array_[0]; +<a name="l00060"></a>00060 array_[0] = array_[i]; +<a name="l00061"></a>00061 array_[i] = t; +<a name="l00062"></a>00062 <a class="code" href="namespaceirr_1_1core.html#ab594dc7075680259e758e4368cd471d1" title="Sinks an element into the heap.">heapsink</a>(virtualArray, 1, i + 1); +<a name="l00063"></a>00063 } +<a name="l00064"></a>00064 } +<a name="l00065"></a>00065 +<a name="l00066"></a>00066 } <span class="comment">// end namespace core</span> +<a name="l00067"></a>00067 } <span class="comment">// end namespace irr</span> +<a name="l00068"></a>00068 +<a name="l00069"></a>00069 <span class="preprocessor">#endif</span> +<a name="l00070"></a>00070 <span class="preprocessor"></span> +</pre></div></div> +</div> + <div id="nav-path" class="navpath"> + <ul> + <li class="navelem"><a class="el" href="heapsort_8h.html">heapsort.h</a> </li> +<!-- window showing the filter options --> +<div id="MSearchSelectWindow" + onmouseover="return searchBox.OnSearchSelectShow()" + onmouseout="return searchBox.OnSearchSelectHide()" + onkeydown="return searchBox.OnSearchSelectKey(event)"> +<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Friends</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark"> </span>Defines</a></div> + +<!-- iframe showing the search results (closed by default) --> +<div id="MSearchResultsWindow"> +<iframe src="javascript:void(0)" frameborder="0" + name="MSearchResults" id="MSearchResults"> +</iframe> +</div> + + + <li class="footer"> +<a href="http://irrlicht.sourceforge.net" target="_blank">Irrlicht +Engine</a> Documentation © 2003-2012 by Nikolaus Gebhardt. 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