glm/doc/api/a00028_source.html
2016-11-13 00:39:32 +01:00

116 lines
13 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"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.10"/>
<title>0.9.8 API documenation: fast_square_root.hpp Source File</title>
<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>
<link href="doxygen.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 style="height: 56px;">
<td id="projectlogo"><img alt="Logo" src="logo.png"/></td>
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">0.9.8 API documenation
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.10 -->
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main&#160;Page</span></a></li>
<li><a href="modules.html"><span>Modules</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&#160;List</span></a></li>
</ul>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_934f46a345653ef2b3014a1b37a162c1.html">G:</a></li><li class="navelem"><a class="el" href="dir_98f7f9d41f9d3029bd68cf237526a774.html">Source</a></li><li class="navelem"><a class="el" href="dir_9344afb825aed5e2f5be1d2015dde43c.html">G-Truc</a></li><li class="navelem"><a class="el" href="dir_45973f864e07b2505003ae343b7c8af7.html">glm</a></li><li class="navelem"><a class="el" href="dir_304be5dfae1339a7705426c0b536faf2.html">glm</a></li><li class="navelem"><a class="el" href="dir_e8f3c1046ba4b357711397765359cd18.html">gtx</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">fast_square_root.hpp</div> </div>
</div><!--header-->
<div class="contents">
<a href="a00028.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment">// Dependency:</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;../common.hpp&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;../exponential.hpp&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;../geometric.hpp&quot;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#ifndef GLM_ENABLE_EXPERIMENTAL</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor"># error &quot;GLM: GLM_GTX_fast_square_root is an experimetal extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it.&quot;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#if GLM_MESSAGES == GLM_MESSAGES_ENABLED &amp;&amp; !defined(GLM_EXT_INCLUDED)</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor"># pragma message(&quot;GLM: GLM_GTX_fast_square_root extension included&quot;)</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="keyword">namespace </span><a class="code" href="a00140.html">glm</a></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;{</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00194.html#gaad9f601bbc3faa04dda384e4c4e1592c">fastSqrt</a>(genType x);</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00194.html#gaad9f601bbc3faa04dda384e4c4e1592c">fastSqrt</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00194.html#ga903878071f92e51e551791e584a171a1">fastInverseSqrt</a>(genType x);</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00194.html#ga903878071f92e51e551791e584a171a1">fastInverseSqrt</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x);</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00194.html#gae28a3099cbd6404a4ea8ef22147ed7b0">fastLength</a>(genType x);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; GLM_FUNC_DECL T <a class="code" href="a00194.html#gae28a3099cbd6404a4ea8ef22147ed7b0">fastLength</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x);</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00194.html#ga6d1ac559cd77d69119e30c3aca0e14b5">fastDistance</a>(genType x, genType y);</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; GLM_FUNC_DECL T <a class="code" href="a00194.html#ga6d1ac559cd77d69119e30c3aca0e14b5">fastDistance</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x, vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; y);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00194.html#ga3b02c1d6e0c754144e2f1e110bf9f16c">fastNormalize</a>(genType <span class="keyword">const</span> &amp; x);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;}<span class="comment">// namespace glm</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="preprocessor">#include &quot;fast_square_root.inl&quot;</span></div>
<div class="ttc" id="a00194_html_ga6d1ac559cd77d69119e30c3aca0e14b5"><div class="ttname"><a href="a00194.html#ga6d1ac559cd77d69119e30c3aca0e14b5">glm::fastDistance</a></div><div class="ttdeci">GLM_FUNC_DECL T fastDistance(vecType&lt; T, P &gt; const &amp;x, vecType&lt; T, P &gt; const &amp;y)</div><div class="ttdoc">Faster than the common distance function but less accurate. </div></div>
<div class="ttc" id="a00194_html_ga3b02c1d6e0c754144e2f1e110bf9f16c"><div class="ttname"><a href="a00194.html#ga3b02c1d6e0c754144e2f1e110bf9f16c">glm::fastNormalize</a></div><div class="ttdeci">GLM_FUNC_DECL genType fastNormalize(genType const &amp;x)</div><div class="ttdoc">Faster than the common normalize function but less accurate. </div></div>
<div class="ttc" id="a00194_html_ga903878071f92e51e551791e584a171a1"><div class="ttname"><a href="a00194.html#ga903878071f92e51e551791e584a171a1">glm::fastInverseSqrt</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; fastInverseSqrt(vecType&lt; T, P &gt; const &amp;x)</div><div class="ttdoc">Faster than the common inversesqrt function but less accurate. </div></div>
<div class="ttc" id="a00194_html_gaad9f601bbc3faa04dda384e4c4e1592c"><div class="ttname"><a href="a00194.html#gaad9f601bbc3faa04dda384e4c4e1592c">glm::fastSqrt</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; fastSqrt(vecType&lt; T, P &gt; const &amp;x)</div><div class="ttdoc">Faster than the common sqrt function but less accurate. </div></div>
<div class="ttc" id="a00194_html_gae28a3099cbd6404a4ea8ef22147ed7b0"><div class="ttname"><a href="a00194.html#gae28a3099cbd6404a4ea8ef22147ed7b0">glm::fastLength</a></div><div class="ttdeci">GLM_FUNC_DECL T fastLength(vecType&lt; T, P &gt; const &amp;x)</div><div class="ttdoc">Faster than the common length function but less accurate. </div></div>
<div class="ttc" id="a00140_html"><div class="ttname"><a href="a00140.html">glm</a></div><div class="ttdef"><b>Definition:</b> <a href="a00003_source.html#l00011">_noise.hpp:11</a></div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.10
</small></address>
</body>
</html>