<!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 1.8.9.1"/> <title>CMU462 Library: /Users/Sky/Dropbox/Projects/CMU462/private/p3/CMU462/include/CMU462/misc_math.h 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="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"> $(document).ready(function() { init_search(); }); </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 style="padding-left: 0.5em;"> <div id="projectname">CMU462 Library  <span id="projectnumber">1.0</span> </div> <div id="projectbrief">15-462/15-662: Computer Graphics (Fall 2015)</div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.9.1 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</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> <li> <div id="MSearchBox" class="MSearchBoxInactive"> <span class="left"> <img id="MSearchSelect" src="search/mag_sel.png" onmouseover="return searchBox.OnSearchSelectShow()" 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id="MSearchResults"> </iframe> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_93cde9e1f49b119e2b24d2ae2dcc682a.html">CMU462</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">misc_math.h</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef CMU462_MISCMATH_H</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define CMU462_MISCMATH_H</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include <cmath></span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <limits></span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <utility></span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> </div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#define PI (3.14159265358979323)</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#define EPS_D (0.00000000001)</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#define EPS_F (0.00001f)</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#define INF_D (std::numeric_limits<double>::infinity())</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#define INF_F (std::numeric_limits<float>::infinity())</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span><a class="code" href="namespace_c_m_u462.html">CMU462</a> {</div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">/*</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> Takes any kind of number and converts from degrees to radians.</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">*/</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">inline</span> T radians(T deg) {</div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keywordflow">return</span> deg * (PI / 180);</div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> }</div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">/*</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> Takes any kind of number and converts from radians to degrees.</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">*/</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">inline</span> T degrees(T rad) {</div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">return</span> rad * (180 / PI);</div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> }</div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">/*</span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> Takes any kind of number, as well as a lower and upper bound, and clamps the</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> number to be within the bound.</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> NOTE: x, lo, and hi must all be the same type or compilation will fail. A</span></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> common mistake is to pass an int for x and size_ts for lo and hi.</span></div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">*/</span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">inline</span> T clamp(T x, T lo, T hi) {</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">return</span> std::min(std::max(x, lo), hi);</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> }</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> } <span class="comment">// namespace CMU462</span></div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#endif // CMU462_MISCMATH_H</span></div> <div class="ttc" id="namespace_c_m_u462_html"><div class="ttname"><a href="namespace_c_m_u462.html">CMU462</a></div><div class="ttdef"><b>Definition:</b> color.h:6</div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Thu Oct 8 2015 21:40:10 for CMU462 Library by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.9.1 </small></address> </body> </html>