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<div class="title">sdpdvct.c</div> </div>
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<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>
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