📁 File Manager Pro
v10.0.3 | PHP: 8.1.34
Server: Apache
2026-06-22 03:46:17
📂
/ (Root)
/
opt
/
alt
/
ruby19
/
share
/
doc
/
ruby
/
html
/
d0
/
d16
📍 /opt/alt/ruby19/share/doc/ruby/html/d0/d16
🔄 Refresh
✏️
Editing: isnan_8c_source.html
Read Only
<!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 1.8.14"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>Ruby: missing/isnan.c 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="projectalign" style="padding-left: 0.5em;"> <div id="projectname">Ruby  <span id="projectnumber">1.9.3p551(2014-11-13revision48407)</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.14 --> <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:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(function() { initMenu('../../',false,false,'search.php','Search'); }); /* @license-end */</script> <div id="main-nav"></div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="../../dir_f3bfeebb553c3f6ecfb19202628b4493.html">missing</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">isnan.c</div> </div> </div><!--header--> <div class="contents"> <a href="../../d0/d16/isnan_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* public domain rewrite of isnan(3) */</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include "<a class="code" href="../../d3/d90/missing_8h.html">ruby/missing.h</a>"</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="../../d0/d16/isnan_8c.html#aef5f944959a689180429cd2b48bf73d1">double_ne</a>(<span class="keywordtype">double</span> n1, <span class="keywordtype">double</span> n2);</div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="keywordtype">int</span></div><div class="line"><a name="l00008"></a><span class="lineno"><a class="line" href="../../d0/d16/isnan_8c.html#ab0266e62793740ec4bbbf9986efdfea9"> 8</a></span> <a class="code" href="../../d0/d16/isnan_8c.html#ab0266e62793740ec4bbbf9986efdfea9">isnan</a>(<span class="keywordtype">double</span> n)</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> {</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  <span class="keywordflow">return</span> <a class="code" href="../../d0/d16/isnan_8c.html#aef5f944959a689180429cd2b48bf73d1">double_ne</a>(n, n);</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> }</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">static</span> <span class="keywordtype">int</span></div><div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="../../d0/d16/isnan_8c.html#aef5f944959a689180429cd2b48bf73d1"> 14</a></span> <a class="code" href="../../d0/d16/isnan_8c.html#aef5f944959a689180429cd2b48bf73d1">double_ne</a>(<span class="keywordtype">double</span> n1, <span class="keywordtype">double</span> n2)</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="keywordflow">return</span> n1 != n2;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> }</div><div class="ttc" id="isnan_8c_html_ab0266e62793740ec4bbbf9986efdfea9"><div class="ttname"><a href="../../d0/d16/isnan_8c.html#ab0266e62793740ec4bbbf9986efdfea9">isnan</a></div><div class="ttdeci">int isnan(double n)</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d16/isnan_8c_source.html#l00008">isnan.c:8</a></div></div> <div class="ttc" id="missing_8h_html"><div class="ttname"><a href="../../d3/d90/missing_8h.html">missing.h</a></div></div> <div class="ttc" id="isnan_8c_html_aef5f944959a689180429cd2b48bf73d1"><div class="ttname"><a href="../../d0/d16/isnan_8c.html#aef5f944959a689180429cd2b48bf73d1">double_ne</a></div><div class="ttdeci">static int double_ne(double n1, double n2)</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d16/isnan_8c_source.html#l00014">isnan.c:14</a></div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <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> 1.8.14 </small></address> </body> </html>
💾 Save Changes
❌ Cancel