<!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>DSDP: src/vecmat/sdpdvct.c 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 style="padding-left: 0.5em;"> <div id="projectname">DSDP</div> </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="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_23046874d7fed141927c769a66d8e3a5.html">src</a> </li> <li class="navelem"><a class="el" href="dir_9706e2f7b84d8f85001c7784fc3e51fe.html">vecmat</a> </li> </ul> </div> </div> <div class="header"> <div class="headertitle"> <div class="title">sdpdvct.c</div> </div> </div> <div class="contents"> <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include "numchol.h"</span> <a name="l00002"></a>00002 <span class="preprocessor">#include <stdio.h></span> <a name="l00003"></a>00003 <a name="l00004"></a>00004 <span class="keywordtype">int</span> ExitProc(<span class="keywordtype">int</span>,<span class="keywordtype">char</span> *); <a name="l00005"></a>00005 <a name="l00006"></a>00006 <span class="keywordtype">void</span> iZero(<span class="keywordtype">int</span> n, <a name="l00007"></a>00007 <span class="keywordtype">int</span> *x, <a name="l00008"></a>00008 <span class="keywordtype">int</span> *s) <a name="l00009"></a>00009 { <a name="l00010"></a>00010 <span class="keywordtype">int</span> i; <a name="l00011"></a>00011 <a name="l00012"></a>00012 <span class="keywordflow">if</span> (s) { <a name="l00013"></a>00013 <span class="keywordflow">for</span>(i=0; i<n; ++i) <a name="l00014"></a>00014 x[s[i]]=0; <a name="l00015"></a>00015 } <a name="l00016"></a>00016 <span class="keywordflow">else</span> <a name="l00017"></a>00017 memset(x,0,n*<span class="keyword">sizeof</span>(<span class="keywordtype">int</span>)); <a name="l00018"></a>00018 } <span class="comment">/* iZero */</span> <a name="l00019"></a>00019 <a name="l00020"></a>00020 <span class="keywordtype">void</span> iSet(<span class="keywordtype">int</span> n, <a name="l00021"></a>00021 <span class="keywordtype">int</span> a, <a name="l00022"></a>00022 <span class="keywordtype">int</span> *x, <a name="l00023"></a>00023 <span class="keywordtype">int</span> *<span class="keywordtype">id</span>) <a name="l00024"></a>00024 { <a name="l00025"></a>00025 <span class="keywordtype">int</span> i; <a name="l00026"></a>00026 <a name="l00027"></a>00027 <span class="keywordflow">if</span> (!<span class="keywordtype">id</span>) <a name="l00028"></a>00028 <span class="keywordflow">for</span>(i=0; i<n; ++i) <a name="l00029"></a>00029 x[i]=a; <a name="l00030"></a>00030 <span class="keywordflow">else</span> <a name="l00031"></a>00031 <span class="keywordflow">for</span>(i=0; i<n; ++i) <a name="l00032"></a>00032 x[<span class="keywordtype">id</span>[i]]=a; <a name="l00033"></a>00033 } <span class="comment">/* iSet */</span> <a name="l00034"></a>00034 <a name="l00035"></a>00035 <span class="keywordtype">void</span> iSwap(<span class="keywordtype">int</span> i1, <a name="l00036"></a>00036 <span class="keywordtype">int</span> i2, <a name="l00037"></a>00037 <span class="keywordtype">int</span> *v) <a name="l00038"></a>00038 { <a name="l00039"></a>00039 <span class="keywordtype">int</span> temp; <a name="l00040"></a>00040 <a name="l00041"></a>00041 <span class="keywordflow">if</span> (i1<0||i2<0) <a name="l00042"></a>00042 ExitProc(SysError,<span class="stringliteral">"index error"</span>); <a name="l00043"></a>00043 temp = v[i1]; <a name="l00044"></a>00044 v[i1] = v[i2]; <a name="l00045"></a>00045 v[i2] = temp; <a name="l00046"></a>00046 } <span class="comment">/* iSwap */</span> <a name="l00047"></a>00047 <a name="l00048"></a>00048 <span class="keywordtype">void</span> iCopy(<span class="keywordtype">int</span> n, <a name="l00049"></a>00049 <span class="keywordtype">int</span> *s, <a name="l00050"></a>00050 <span class="keywordtype">int</span> *d) <a name="l00051"></a>00051 { <a name="l00052"></a>00052 memcpy(d,s,n*<span class="keyword">sizeof</span>(<span class="keywordtype">int</span>)); <a name="l00053"></a>00053 } <span class="comment">/* iCopy */</span> <a name="l00054"></a>00054 <a name="l00055"></a>00055 <span class="keywordtype">int</span> iSum(<span class="keywordtype">int</span> n, <a name="l00056"></a>00056 <span class="keywordtype">int</span> *x) <a name="l00057"></a>00057 { <a name="l00058"></a>00058 <span class="keywordtype">int</span> i,sum=0; <a name="l00059"></a>00059 <a name="l00060"></a>00060 <span class="keywordflow">for</span> (i=0; i<n; i++) <a name="l00061"></a>00061 sum+=x[i]; <a name="l00062"></a>00062 <a name="l00063"></a>00063 <span class="keywordflow">return</span> sum; <a name="l00064"></a>00064 } <span class="comment">/* iSum */</span> <a name="l00065"></a>00065 <a name="l00066"></a>00066 <span class="keywordtype">void</span> dCopy(<span class="keywordtype">int</span> n, <a name="l00067"></a>00067 <span class="keywordtype">double</span> *s, <a name="l00068"></a>00068 <span class="keywordtype">double</span> *d) <a name="l00069"></a>00069 { <a name="l00070"></a>00070 <span class="keywordflow">if</span> (n) memcpy(d,s,n*<span class="keyword">sizeof</span>(<span class="keywordtype">double</span>)); <a name="l00071"></a>00071 } <span class="comment">/* dCopy */</span> <a name="l00072"></a>00072 <a name="l00073"></a>00073 <span class="keywordtype">void</span> dCat(<span class="keywordtype">int</span> n, <a name="l00074"></a>00074 <span class="keywordtype">int</span> *ix, <a name="l00075"></a>00075 <span class="keywordtype">double</span> *s, <a name="l00076"></a>00076 <span class="keywordtype">double</span> *d) <a name="l00077"></a>00077 { <a name="l00078"></a>00078 <span class="keywordtype">int</span> i; <a name="l00079"></a>00079 <a name="l00080"></a>00080 <span class="keywordflow">for</span> (i=0; i<n; i++) { <a name="l00081"></a>00081 d[i]=s[ix[i]]; <a name="l00082"></a>00082 s[ix[i]]=0.0; <a name="l00083"></a>00083 } <a name="l00084"></a>00084 } <span class="comment">/* dCat */</span> <a name="l00085"></a>00085 <a name="l00086"></a>00086 <span class="keywordtype">double</span> dDot(<span class="keywordtype">double</span> *x, <a name="l00087"></a>00087 <span class="keywordtype">double</span> *y, <a name="l00088"></a>00088 <span class="keywordtype">int</span> n) <a name="l00089"></a>00089 { <a name="l00090"></a>00090 <span class="keywordtype">int</span> i; <a name="l00091"></a>00091 <span class="keywordtype">double</span> r; <a name="l00092"></a>00092 <a name="l00093"></a>00093 r=0.0; <a name="l00094"></a>00094 <span class="keywordflow">for</span> (i=0; i<n; i++) <a name="l00095"></a>00095 r+=x[i]*y[i]; <a name="l00096"></a>00096 <a name="l00097"></a>00097 <span class="keywordflow">return</span> r; <a name="l00098"></a>00098 }<span class="comment">/* dDot */</span> <a name="l00099"></a>00099 <a name="l00100"></a>00100 <span class="keywordtype">void</span> plusXs(<span class="keywordtype">int</span> n, <a name="l00101"></a>00101 <span class="keywordtype">int</span> *x, <a name="l00102"></a>00102 <span class="keywordtype">int</span> *s) <a name="l00103"></a>00103 { <a name="l00104"></a>00104 <span class="keywordtype">int</span> i; <a name="l00105"></a>00105 <a name="l00106"></a>00106 <span class="keywordflow">if</span> (!s) { <a name="l00107"></a>00107 <span class="keywordflow">for</span> (i=0; i<n; i++) <a name="l00108"></a>00108 x[i]++; <a name="l00109"></a>00109 } <a name="l00110"></a>00110 <span class="keywordflow">else</span> { <a name="l00111"></a>00111 <span class="keywordflow">for</span> (i=0; i<n; i++) <a name="l00112"></a>00112 x[s[i]]++; <a name="l00113"></a>00113 } <a name="l00114"></a>00114 } <span class="comment">/* plusXs */</span> </pre></div></div> </div> <hr class="footer"/><address class="footer"><small>Generated on Wed Jun 8 2011 for DSDP 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>