mirror of
https://github.com/g-truc/glm.git
synced 2024-11-10 12:41:54 +00:00
98 lines
6.7 KiB
HTML
98 lines
6.7 KiB
HTML
<!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>fast_square_root.hpp Source File</title>
|
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
|
|
</head>
|
|
<body>
|
|
<!-- Generated by Doxygen 1.7.4 -->
|
|
<div id="top">
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr style="height: 56px;">
|
|
<td id="projectlogo"><img alt="Logo" src="logo-mini.png"/></td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<div id="navrow1" class="tabs">
|
|
<ul class="tablist">
|
|
<li><a href="index.html"><span>Main Page</span></a></li>
|
|
<li><a href="modules.html"><span>Modules</span></a></li>
|
|
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
|
|
<li><a href="annotated.html"><span>Classes</span></a></li>
|
|
<li class="current"><a href="files.html"><span>Files</span></a></li>
|
|
</ul>
|
|
</div>
|
|
<div id="navrow2" class="tabs2">
|
|
<ul class="tablist">
|
|
<li><a href="files.html"><span>File List</span></a></li>
|
|
</ul>
|
|
</div>
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">fast_square_root.hpp</div> </div>
|
|
</div>
|
|
<div class="contents">
|
|
<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
|
|
<a name="l00002"></a>00002 <span class="comment">// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)</span>
|
|
<a name="l00004"></a>00004 <span class="comment"></span><span class="comment">// Created : 2006-01-04</span>
|
|
<a name="l00005"></a>00005 <span class="comment">// Updated : 2008-10-07</span>
|
|
<a name="l00006"></a>00006 <span class="comment">// Licence : This source is under MIT License</span>
|
|
<a name="l00007"></a>00007 <span class="comment">// File : glm/gtx/fast_square_root.hpp</span>
|
|
<a name="l00009"></a>00009 <span class="comment"></span><span class="comment">// Dependency:</span>
|
|
<a name="l00010"></a>00010 <span class="comment">// - GLM core</span>
|
|
<a name="l00012"></a>00012 <span class="comment"></span><span class="comment">// Note:</span>
|
|
<a name="l00013"></a>00013 <span class="comment">// - Sqrt optimisation based on Newton's method, </span>
|
|
<a name="l00014"></a>00014 <span class="comment">// www.gamedev.net/community/forums/topic.asp?topic id=139956</span>
|
|
<a name="l00016"></a>00016 <span class="comment"></span>
|
|
<a name="l00017"></a>00017 <span class="preprocessor">#ifndef glm_gtx_fast_square_root</span>
|
|
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define glm_gtx_fast_square_root</span>
|
|
<a name="l00019"></a>00019 <span class="preprocessor"></span>
|
|
<a name="l00020"></a>00020 <span class="comment">// Dependency:</span>
|
|
<a name="l00021"></a>00021 <span class="preprocessor">#include "../glm.hpp"</span>
|
|
<a name="l00022"></a>00022
|
|
<a name="l00023"></a>00023 <span class="preprocessor">#if(defined(GLM_MESSAGES) && !defined(glm_ext))</span>
|
|
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor"># pragma message("GLM: GLM_GTX_fast_square_root extension included")</span>
|
|
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
|
|
<a name="l00026"></a>00026 <span class="preprocessor"></span>
|
|
<a name="l00027"></a>00027 <span class="keyword">namespace </span>glm{
|
|
<a name="l00028"></a>00028 <span class="keyword">namespace </span>gtx{
|
|
<a name="l00029"></a><a class="code" href="a00182.html">00029</a> <span class="keyword">namespace </span>fast_square_root
|
|
<a name="l00030"></a>00030 {
|
|
<a name="l00033"></a>00033
|
|
<a name="l00036"></a>00036 <span class="keyword">template</span> <<span class="keyword">typename</span> genType>
|
|
<a name="l00037"></a>00037 genType <a class="code" href="a00262.html#gaced2a1b7a161290e4d401967607d56db" title="Faster than the common sqrt function but less accurate.">fastSqrt</a>(genType <span class="keyword">const</span> & x);
|
|
<a name="l00038"></a>00038
|
|
<a name="l00041"></a>00041 <span class="keyword">template</span> <<span class="keyword">typename</span> genType>
|
|
<a name="l00042"></a>00042 genType <a class="code" href="a00262.html#ga1858a37f06c79e17f287bbaa8f75b08e" title="Faster than the common inversesqrt function but less accurate.">fastInverseSqrt</a>(genType <span class="keyword">const</span> & x);
|
|
<a name="l00043"></a>00043
|
|
<a name="l00046"></a>00046 <span class="keyword">template</span> <<span class="keyword">typename</span> genType>
|
|
<a name="l00047"></a>00047 <span class="keyword">typename</span> genType::value_type <a class="code" href="a00262.html#gada4490e940c0c4e08beab6db793f8934" title="Faster than the common length function but less accurate.">fastLength</a>(genType <span class="keyword">const</span> & x);
|
|
<a name="l00048"></a>00048
|
|
<a name="l00051"></a>00051 <span class="keyword">template</span> <<span class="keyword">typename</span> genType>
|
|
<a name="l00052"></a>00052 <span class="keyword">typename</span> genType::value_type <a class="code" href="a00262.html#ga68162c92de0e592216be943345169da7" title="Faster than the common distance function but less accurate.">fastDistance</a>(genType <span class="keyword">const</span> & x, genType <span class="keyword">const</span> & y);
|
|
<a name="l00053"></a>00053
|
|
<a name="l00056"></a>00056 <span class="keyword">template</span> <<span class="keyword">typename</span> genType>
|
|
<a name="l00057"></a>00057 genType <a class="code" href="a00262.html#ga7e785d24d7bbac63f273baf9af1160da" title="Faster than the common normalize function but less accurate.">fastNormalize</a>(genType <span class="keyword">const</span> & x);
|
|
<a name="l00058"></a>00058
|
|
<a name="l00060"></a>00060 }<span class="comment">// namespace fast_square_root</span>
|
|
<a name="l00061"></a>00061 }<span class="comment">// namespace gtx</span>
|
|
<a name="l00062"></a>00062 }<span class="comment">// namespace glm</span>
|
|
<a name="l00063"></a>00063
|
|
<a name="l00064"></a>00064 <span class="preprocessor">#include "fast_square_root.inl"</span>
|
|
<a name="l00065"></a>00065
|
|
<a name="l00066"></a>00066 <span class="keyword">namespace </span>glm{<span class="keyword">using namespace </span>gtx::fast_square_root;}
|
|
<a name="l00067"></a>00067
|
|
<a name="l00068"></a>00068 <span class="preprocessor">#endif//glm_gtx_fast_square_root</span>
|
|
</pre></div></div>
|
|
</div>
|
|
<hr class="footer"/><address class="footer"><small>Generated by 
|
|
<a href="http://www.doxygen.org/index.html">
|
|
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
|
|
</body>
|
|
</html>
|