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<div class="title">diag.c</div> </div>
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<a href="diag_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00002"></a>00002 <span class="preprocessor">#include "<a class="code" href="dsdpschurmat__impl_8h.html" title="Function pointers that a Schur complement matrix (dense, sparse, parallel dense) must provide...">dsdpschurmat_impl.h</a>"</span>
<a name="l00003"></a>00003 <span class="preprocessor">#include "<a class="code" href="dsdpdualmat__impl_8h.html" title="Structure of function pointers that each symmetric positive definite matrix type (dense, sparse) must implement.">dsdpdualmat_impl.h</a>"</span>
<a name="l00004"></a>00004 <span class="preprocessor">#include "<a class="code" href="dsdpdsmat__impl_8h.html" title="Structure of function pointers that each SDP Delta S matrix type (sparse, dense, diagonal, ...) must implement.">dsdpdsmat_impl.h</a>"</span>
<a name="l00005"></a>00005 <span class="preprocessor">#include "<a class="code" href="dsdpsys_8h.html" title="Error handling, printing, and profiling.">dsdpsys.h</a>"</span>
<a name="l00012"></a>00012 <span class="keyword">typedef</span> <span class="keyword">struct </span>{
<a name="l00013"></a>00013 <span class="keywordtype">int</span> n;
<a name="l00014"></a>00014 <span class="keywordtype">double</span> *val;
<a name="l00015"></a>00015 <span class="keywordtype">int</span> owndata;
<a name="l00016"></a>00016 } diagmat;
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatCreate(<span class="keywordtype">int</span>,diagmat**);
<a name="l00019"></a>00019 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatMult(<span class="keywordtype">void</span>*,<span class="keywordtype">double</span>[],<span class="keywordtype">double</span>[],<span class="keywordtype">int</span>);
<a name="l00020"></a>00020 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatGetSize(<span class="keywordtype">void</span>*, <span class="keywordtype">int</span> *);
<a name="l00021"></a>00021 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatAddRow2(<span class="keywordtype">void</span>*, <span class="keywordtype">int</span>, <span class="keywordtype">double</span>, <span class="keywordtype">double</span>[], <span class="keywordtype">int</span>);
<a name="l00022"></a>00022 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatDestroy(<span class="keywordtype">void</span>*);
<a name="l00023"></a>00023 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatView(<span class="keywordtype">void</span>*);
<a name="l00024"></a>00024 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatLogDeterminant(<span class="keywordtype">void</span>*, <span class="keywordtype">double</span> *);
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">/* static int DiagMatScale(double *, diagmat *); */</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatCreate(<span class="keywordtype">int</span> n,diagmat**M){
<a name="l00029"></a>00029 <span class="keywordtype">int</span> info;
<a name="l00030"></a>00030 diagmat *M7;
<a name="l00031"></a>00031
<a name="l00032"></a>00032 DSDPCALLOC1(&M7,diagmat,&info);DSDPCHKERR(info);
<a name="l00033"></a>00033 DSDPCALLOC2(&M7->val,<span class="keywordtype">double</span>,n,&info);DSDPCHKERR(info);
<a name="l00034"></a>00034 <span class="keywordflow">if</span> (n>0 && M7->val==NULL) <span class="keywordflow">return</span> 1;
<a name="l00035"></a>00035 M7->owndata=1; M7->n=n;
<a name="l00036"></a>00036 *M=M7;
<a name="l00037"></a>00037 <span class="keywordflow">return</span> 0;
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatDestroy(<span class="keywordtype">void</span>* AA){
<a name="l00041"></a>00041 <span class="keywordtype">int</span> info;
<a name="l00042"></a>00042 diagmat* A=(diagmat*) AA;
<a name="l00043"></a>00043 <span class="keywordflow">if</span> (A->owndata && A->val){ DSDPFREE(&A->val,&info);DSDPCHKERR(info);}
<a name="l00044"></a>00044 DSDPFREE(&A,&info);DSDPCHKERR(info);
<a name="l00045"></a>00045 <span class="keywordflow">return</span> 0;
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatMult(<span class="keywordtype">void</span>* AA, <span class="keywordtype">double</span> x[], <span class="keywordtype">double</span> y[], <span class="keywordtype">int</span> n){
<a name="l00050"></a>00050
<a name="l00051"></a>00051 diagmat* A=(diagmat*) AA;
<a name="l00052"></a>00052 <span class="keywordtype">double</span> *vv=A->val;
<a name="l00053"></a>00053 <span class="keywordtype">int</span> i;
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keywordflow">if</span> (A->n != n) <span class="keywordflow">return</span> 1;
<a name="l00056"></a>00056 <span class="keywordflow">if</span> (x==0 && n>0) <span class="keywordflow">return</span> 3;
<a name="l00057"></a>00057 <span class="keywordflow">if</span> (y==0 && n>0) <span class="keywordflow">return</span> 3;
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="keywordflow">for</span> (i=0; i<n; i++){
<a name="l00060"></a>00060 y[i]=x[i]*vv[i];
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062 <span class="keywordflow">return</span> 0;
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatGetSize(<span class="keywordtype">void</span> *AA, <span class="keywordtype">int</span> *n){
<a name="l00067"></a>00067 diagmat* A=(diagmat*) AA;
<a name="l00068"></a>00068 *n=A->n;
<a name="l00069"></a>00069 <span class="keywordflow">return</span> 0;
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatView(<span class="keywordtype">void</span>* AA){
<a name="l00073"></a>00073 diagmat* A=(diagmat*) AA;
<a name="l00074"></a>00074 <span class="keywordtype">int</span> i;
<a name="l00075"></a>00075 <span class="keywordflow">for</span> (i=0;i<A->n; i++){
<a name="l00076"></a>00076 printf(<span class="stringliteral">" Row: %d, Column: %d, Value: %8.4e \n"</span>,i,i,A->val[i]);
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078 <span class="keywordflow">return</span> 0;
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatAddRow2(<span class="keywordtype">void</span>* AA, <span class="keywordtype">int</span> nrow, <span class="keywordtype">double</span> dd, <span class="keywordtype">double</span> row[], <span class="keywordtype">int</span> n){
<a name="l00082"></a>00082 diagmat* A=(diagmat*) AA;
<a name="l00083"></a>00083 A->val[nrow] += dd*row[nrow];
<a name="l00084"></a>00084 <span class="keywordflow">return</span> 0;
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatAddElement(<span class="keywordtype">void</span>*A, <span class="keywordtype">int</span> nrow, <span class="keywordtype">double</span> dd){
<a name="l00089"></a>00089 diagmat* AA = (diagmat*)A;
<a name="l00090"></a>00090 AA->val[nrow] += dd;
<a name="l00091"></a>00091 <span class="keywordflow">return</span> 0;
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatZeros(<span class="keywordtype">void</span>*A){
<a name="l00095"></a>00095 diagmat* AA = (diagmat*)A;
<a name="l00096"></a>00096 <span class="keywordtype">int</span> n=AA->n;
<a name="l00097"></a>00097 memset(AA->val,0,n*<span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));
<a name="l00098"></a>00098 <span class="keywordflow">return</span> 0;
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatSolve(<span class="keywordtype">void</span>* A, <span class="keywordtype">double</span> b[], <span class="keywordtype">double</span> x[],<span class="keywordtype">int</span> n){
<a name="l00102"></a>00102 diagmat* AA = (diagmat*)A;
<a name="l00103"></a>00103 <span class="keywordtype">double</span> *v=AA->val;
<a name="l00104"></a>00104 <span class="keywordtype">int</span> i;
<a name="l00105"></a>00105 <span class="keywordflow">for</span> (i=0;i<n;i++){
<a name="l00106"></a>00106 x[i]=b[i]/v[i];
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108 <span class="keywordflow">return</span> 0;
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatSolve2(<span class="keywordtype">void</span>* A, <span class="keywordtype">int</span> indx[], <span class="keywordtype">int</span> nindx, <span class="keywordtype">double</span> b[], <span class="keywordtype">double</span> x[],<span class="keywordtype">int</span> n){
<a name="l00112"></a>00112 diagmat* AA = (diagmat*)A;
<a name="l00113"></a>00113 <span class="keywordtype">double</span> *v=AA->val;
<a name="l00114"></a>00114 <span class="keywordtype">int</span> i,j;
<a name="l00115"></a>00115 memset((<span class="keywordtype">void</span>*)x,0,n*<span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));
<a name="l00116"></a>00116 <span class="keywordflow">for</span> (j=0;j<nindx;j++){
<a name="l00117"></a>00117 i=indx[j];
<a name="l00118"></a>00118 x[i]=b[i]/v[i];
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 <span class="keywordflow">return</span> 0;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatCholeskySolveBackward(<span class="keywordtype">void</span>* A, <span class="keywordtype">double</span> b[], <span class="keywordtype">double</span> x[],<span class="keywordtype">int</span> n){
<a name="l00124"></a>00124 <span class="keywordtype">int</span> i;
<a name="l00125"></a>00125 <span class="keywordflow">for</span> (i=0;i<n;i++){
<a name="l00126"></a>00126 x[i]=b[i];
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128 <span class="keywordflow">return</span> 0;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatInvert(<span class="keywordtype">void</span> *A){
<a name="l00132"></a>00132 <span class="keywordflow">return</span> 0;
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatCholeskyFactor(<span class="keywordtype">void</span>*A,<span class="keywordtype">int</span> *flag){
<a name="l00136"></a>00136 diagmat* AA = (diagmat*)A;
<a name="l00137"></a>00137 <span class="keywordtype">double</span> *v=AA->val;
<a name="l00138"></a>00138 <span class="keywordtype">int</span> i,n=AA->n;
<a name="l00139"></a>00139 *flag=0;
<a name="l00140"></a>00140 <span class="keywordflow">for</span> (i=0;i<n;i++){
<a name="l00141"></a>00141 <span class="keywordflow">if</span> (v[i]<=0){ *flag=i+1; <span class="keywordflow">break</span>;}
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143 <span class="keywordflow">return</span> 0;
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatLogDeterminant(<span class="keywordtype">void</span>*A, <span class="keywordtype">double</span> *dd){
<a name="l00147"></a>00147 diagmat* AA = (diagmat*)A;
<a name="l00148"></a>00148 <span class="keywordtype">double</span> d=0,*val=AA->val;
<a name="l00149"></a>00149 <span class="keywordtype">int</span> i,n=AA->n;
<a name="l00150"></a>00150 <span class="keywordflow">for</span> (i=0;i<n;i++){
<a name="l00151"></a>00151 <span class="keywordflow">if</span> (val[i]<=0) <span class="keywordflow">return</span> 1;
<a name="l00152"></a>00152 d+=log(val[i]);
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154 *dd=d;
<a name="l00155"></a>00155 <span class="keywordflow">return</span> 0;
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157
<a name="l00158"></a>00158 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatTakeUREntriesP(<span class="keywordtype">void</span>*A, <span class="keywordtype">double</span> dd[], <span class="keywordtype">int</span> nn, <span class="keywordtype">int</span> n){
<a name="l00159"></a>00159 diagmat* AA = (diagmat*)A;
<a name="l00160"></a>00160 <span class="keywordtype">int</span> i,ii;
<a name="l00161"></a>00161 <span class="keywordtype">double</span> *val=AA->val;
<a name="l00162"></a>00162 <span class="keywordflow">for</span> (i=0;i<n;i++){
<a name="l00163"></a>00163 ii=(i+1)*(i+2)/2-1;
<a name="l00164"></a>00164 val[i]=dd[ii];
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166 <span class="keywordflow">return</span> 0;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatTakeUREntriesU(<span class="keywordtype">void</span>*A, <span class="keywordtype">double</span> dd[], <span class="keywordtype">int</span> nn, <span class="keywordtype">int</span> n){
<a name="l00169"></a>00169 diagmat* AA = (diagmat*)A;
<a name="l00170"></a>00170 <span class="keywordtype">int</span> i;
<a name="l00171"></a>00171 <span class="keywordtype">double</span> *val=AA->val;
<a name="l00172"></a>00172 <span class="keywordflow">for</span> (i=0;i<n;i++){
<a name="l00173"></a>00173 val[i]=dd[i*n+i];
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175 <span class="keywordflow">return</span> 0;
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatInverseAddP(<span class="keywordtype">void</span>*A, <span class="keywordtype">double</span> alpha, <span class="keywordtype">double</span> dd[], <span class="keywordtype">int</span> nn, <span class="keywordtype">int</span> n){
<a name="l00179"></a>00179 diagmat* AA = (diagmat*)A;
<a name="l00180"></a>00180 <span class="keywordtype">int</span> i,ii;
<a name="l00181"></a>00181 <span class="keywordtype">double</span> *val=AA->val;
<a name="l00182"></a>00182 <span class="keywordflow">for</span> (i=0;i<n;i++){
<a name="l00183"></a>00183 ii=(i+1)*(i+2)/2-1;
<a name="l00184"></a>00184 dd[ii]+=alpha/val[i];
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186 <span class="keywordflow">return</span> 0;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatInverseAddU(<span class="keywordtype">void</span>*A, <span class="keywordtype">double</span> alpha, <span class="keywordtype">double</span> dd[], <span class="keywordtype">int</span> nn, <span class="keywordtype">int</span> n){
<a name="l00189"></a>00189 diagmat* AA = (diagmat*)A;
<a name="l00190"></a>00190 <span class="keywordtype">int</span> i;
<a name="l00191"></a>00191 <span class="keywordtype">double</span> *val=AA->val;
<a name="l00192"></a>00192 <span class="keywordflow">for</span> (i=0;i<n;i++){
<a name="l00193"></a>00193 dd[i*n+i]+=alpha/val[i];
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195 <span class="keywordflow">return</span> 0;
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197
<a name="l00198"></a>00198 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatFull(<span class="keywordtype">void</span>*A, <span class="keywordtype">int</span>* dfull){
<a name="l00199"></a>00199 *dfull=1;
<a name="l00200"></a>00200 <span class="keywordflow">return</span> 0;
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structDSDPDualMat__Ops.html" title="Table of function pointers that operate on the S matrix.">DSDPDualMat_Ops</a> sdmatopsp;
<a name="l00204"></a>00204 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structDSDPDualMat__Ops.html" title="Table of function pointers that operate on the S matrix.">DSDPDualMat_Ops</a> sdmatopsu;
<a name="l00205"></a>00205 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* diagmatname=<span class="stringliteral">"DIAGONAL"</span>;
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagDualOpsInitializeP(<span class="keyword">struct</span> <a class="code" href="structDSDPDualMat__Ops.html" title="Table of function pointers that operate on the S matrix.">DSDPDualMat_Ops</a>* sops){
<a name="l00208"></a>00208 <span class="keywordtype">int</span> info;
<a name="l00209"></a>00209 <span class="keywordflow">if</span> (sops==NULL) <span class="keywordflow">return</span> 0;
<a name="l00210"></a>00210 info=<a class="code" href="dsdpdualmat_8c.html#a80e8f72d7a1720fbe7563b2f57acd5c6" title="Set pointers to null.">DSDPDualMatOpsInitialize</a>(sops); DSDPCHKERR(info);
<a name="l00211"></a>00211 sops->matcholesky=DiagMatCholeskyFactor;
<a name="l00212"></a>00212 sops->matsolveforward=DiagMatSolve;
<a name="l00213"></a>00213 sops->matsolvebackward=DiagMatCholeskySolveBackward;
<a name="l00214"></a>00214 sops->matinvert=DiagMatInvert;
<a name="l00215"></a>00215 sops->matinverseadd=DiagMatInverseAddP;
<a name="l00216"></a>00216 sops->matinversemultiply=DiagMatSolve2;
<a name="l00217"></a>00217 sops->matseturmat=DiagMatTakeUREntriesP;
<a name="l00218"></a>00218 sops->matfull=DiagMatFull;
<a name="l00219"></a>00219 sops->matdestroy=DiagMatDestroy;
<a name="l00220"></a>00220 sops->matgetsize=DiagMatGetSize;
<a name="l00221"></a>00221 sops->matview=DiagMatView;
<a name="l00222"></a>00222 sops->matlogdet=DiagMatLogDeterminant;
<a name="l00223"></a>00223 sops->id=9;
<a name="l00224"></a>00224 sops->matname=diagmatname;
<a name="l00225"></a>00225 <span class="keywordflow">return</span> 0;
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagDualOpsInitializeU(<span class="keyword">struct</span> <a class="code" href="structDSDPDualMat__Ops.html" title="Table of function pointers that operate on the S matrix.">DSDPDualMat_Ops</a>* sops){
<a name="l00228"></a>00228 <span class="keywordtype">int</span> info;
<a name="l00229"></a>00229 <span class="keywordflow">if</span> (sops==NULL) <span class="keywordflow">return</span> 0;
<a name="l00230"></a>00230 info=<a class="code" href="dsdpdualmat_8c.html#a80e8f72d7a1720fbe7563b2f57acd5c6" title="Set pointers to null.">DSDPDualMatOpsInitialize</a>(sops); DSDPCHKERR(info);
<a name="l00231"></a>00231 sops->matcholesky=DiagMatCholeskyFactor;
<a name="l00232"></a>00232 sops->matsolveforward=DiagMatSolve;
<a name="l00233"></a>00233 sops->matsolvebackward=DiagMatCholeskySolveBackward;
<a name="l00234"></a>00234 sops->matinvert=DiagMatInvert;
<a name="l00235"></a>00235 sops->matinversemultiply=DiagMatSolve2;
<a name="l00236"></a>00236 sops->matseturmat=DiagMatTakeUREntriesU;
<a name="l00237"></a>00237 sops->matfull=DiagMatFull;
<a name="l00238"></a>00238 sops->matinverseadd=DiagMatInverseAddU;
<a name="l00239"></a>00239 sops->matdestroy=DiagMatDestroy;
<a name="l00240"></a>00240 sops->matgetsize=DiagMatGetSize;
<a name="l00241"></a>00241 sops->matview=DiagMatView;
<a name="l00242"></a>00242 sops->matlogdet=DiagMatLogDeterminant;
<a name="l00243"></a>00243 sops->id=9;
<a name="l00244"></a>00244 sops->matname=diagmatname;
<a name="l00245"></a>00245 <span class="keywordflow">return</span> 0;
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00249"></a>00249 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPDiagDualMatCreateP"</span>
<a name="l00250"></a>00250 <span class="preprocessor"></span><span class="keywordtype">int</span> DSDPDiagDualMatCreateP(<span class="keywordtype">int</span> n,
<a name="l00251"></a>00251 <span class="keyword">struct</span> <a class="code" href="structDSDPDualMat__Ops.html" title="Table of function pointers that operate on the S matrix.">DSDPDualMat_Ops</a> **sops1, <span class="keywordtype">void</span>**smat1,
<a name="l00252"></a>00252 <span class="keyword">struct</span> <a class="code" href="structDSDPDualMat__Ops.html" title="Table of function pointers that operate on the S matrix.">DSDPDualMat_Ops</a> **sops2, <span class="keywordtype">void</span>**smat2){
<a name="l00253"></a>00253 diagmat *AA;
<a name="l00254"></a>00254 <span class="keywordtype">int</span> info;
<a name="l00255"></a>00255 DSDPFunctionBegin;
<a name="l00256"></a>00256
<a name="l00257"></a>00257 info=DiagMatCreate(n,&AA); DSDPCHKERR(info);
<a name="l00258"></a>00258 info=DiagDualOpsInitializeP(&sdmatopsp); DSDPCHKERR(info);
<a name="l00259"></a>00259 *sops1=&sdmatopsp;
<a name="l00260"></a>00260 *smat1=(<span class="keywordtype">void</span>*)AA;
<a name="l00261"></a>00261
<a name="l00262"></a>00262 info=DiagMatCreate(n,&AA); DSDPCHKERR(info);
<a name="l00263"></a>00263 info=DiagDualOpsInitializeP(&sdmatopsp); DSDPCHKERR(info);
<a name="l00264"></a>00264 *sops2=&sdmatopsp;
<a name="l00265"></a>00265 *smat2=(<span class="keywordtype">void</span>*)AA;
<a name="l00266"></a>00266 DSDPFunctionReturn(0);
<a name="l00267"></a>00267 }
<a name="l00268"></a>00268
<a name="l00269"></a>00269 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00270"></a>00270 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPDiagDualMatCreateU"</span>
<a name="l00271"></a>00271 <span class="preprocessor"></span><span class="keywordtype">int</span> DSDPDiagDualMatCreateU(<span class="keywordtype">int</span> n,
<a name="l00272"></a>00272 <span class="keyword">struct</span> <a class="code" href="structDSDPDualMat__Ops.html" title="Table of function pointers that operate on the S matrix.">DSDPDualMat_Ops</a> **sops1, <span class="keywordtype">void</span>**smat1,
<a name="l00273"></a>00273 <span class="keyword">struct</span> <a class="code" href="structDSDPDualMat__Ops.html" title="Table of function pointers that operate on the S matrix.">DSDPDualMat_Ops</a> **sops2, <span class="keywordtype">void</span>**smat2){
<a name="l00274"></a>00274 diagmat *AA;
<a name="l00275"></a>00275 <span class="keywordtype">int</span> info;
<a name="l00276"></a>00276 DSDPFunctionBegin;
<a name="l00277"></a>00277 info=DiagMatCreate(n,&AA); DSDPCHKERR(info);
<a name="l00278"></a>00278 info=DiagDualOpsInitializeU(&sdmatopsu); DSDPCHKERR(info);
<a name="l00279"></a>00279 *sops1=&sdmatopsu;
<a name="l00280"></a>00280 *smat1=(<span class="keywordtype">void</span>*)AA;
<a name="l00281"></a>00281 info=DiagMatCreate(n,&AA); DSDPCHKERR(info);
<a name="l00282"></a>00282 info=DiagDualOpsInitializeU(&sdmatopsu); DSDPCHKERR(info);
<a name="l00283"></a>00283 *sops2=&sdmatopsu;
<a name="l00284"></a>00284 *smat2=(<span class="keywordtype">void</span>*)AA;
<a name="l00285"></a>00285 DSDPFunctionReturn(0);
<a name="l00286"></a>00286 }
<a name="l00287"></a>00287
<a name="l00288"></a>00288
<a name="l00289"></a>00289
<a name="l00290"></a>00290 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatVecVec(<span class="keywordtype">void</span>*A,<span class="keywordtype">double</span> x[], <span class="keywordtype">int</span> n, <span class="keywordtype">double</span> *vv){
<a name="l00291"></a>00291 diagmat* AA = (diagmat*)A;
<a name="l00292"></a>00292 <span class="keywordtype">double</span> *v=AA->val,vAv=0;
<a name="l00293"></a>00293 <span class="keywordtype">int</span> i;
<a name="l00294"></a>00294 <span class="keywordflow">for</span> (i=0;i<n;i++){
<a name="l00295"></a>00295 vAv+=x[i]*x[i]*v[i];
<a name="l00296"></a>00296 }
<a name="l00297"></a>00297 *vv=vAv;
<a name="l00298"></a>00298 <span class="keywordflow">return</span> 0;
<a name="l00299"></a>00299 }
<a name="l00300"></a>00300
<a name="l00301"></a>00301 <span class="keyword">static</span> <span class="keywordtype">int</span> DDiagDSMatOpsInitP(<span class="keyword">struct</span> <a class="code" href="structDSDPDSMat__Ops.html" title="Symmetric Delta S matrix for one block in the semidefinite cone.">DSDPDSMat_Ops</a> *ddiagops){
<a name="l00302"></a>00302 <span class="keywordtype">int</span> info;
<a name="l00303"></a>00303 <span class="keywordflow">if</span> (ddiagops==NULL) <span class="keywordflow">return</span> 0;
<a name="l00304"></a>00304 info=<a class="code" href="dsdpdsmat_8c.html#a956667007b1dada1d134e557b0feee9e" title="Set pointers to null.">DSDPDSMatOpsInitialize</a>(ddiagops);DSDPCHKERR(info);
<a name="l00305"></a>00305 ddiagops->matseturmat=DiagMatTakeUREntriesP;
<a name="l00306"></a>00306 ddiagops->matview=DiagMatView;
<a name="l00307"></a>00307 ddiagops->matgetsize=DiagMatGetSize;
<a name="l00308"></a>00308 ddiagops->matmult=DiagMatMult;
<a name="l00309"></a>00309 ddiagops->matvecvec=DiagMatVecVec;
<a name="l00310"></a>00310 ddiagops->matzeroentries=DiagMatZeros;
<a name="l00311"></a>00311 ddiagops->matdestroy=DiagMatDestroy;
<a name="l00312"></a>00312 ddiagops->id=9;
<a name="l00313"></a>00313 ddiagops->matname=diagmatname;
<a name="l00314"></a>00314 DSDPFunctionReturn(0);
<a name="l00315"></a>00315 }
<a name="l00316"></a>00316 <span class="keyword">static</span> <span class="keywordtype">int</span> DDiagDSMatOpsInitU(<span class="keyword">struct</span> <a class="code" href="structDSDPDSMat__Ops.html" title="Symmetric Delta S matrix for one block in the semidefinite cone.">DSDPDSMat_Ops</a> *ddiagops){
<a name="l00317"></a>00317 <span class="keywordtype">int</span> info;
<a name="l00318"></a>00318 <span class="keywordflow">if</span> (ddiagops==NULL) <span class="keywordflow">return</span> 0;
<a name="l00319"></a>00319 info=<a class="code" href="dsdpdsmat_8c.html#a956667007b1dada1d134e557b0feee9e" title="Set pointers to null.">DSDPDSMatOpsInitialize</a>(ddiagops);DSDPCHKERR(info);
<a name="l00320"></a>00320 ddiagops->matseturmat=DiagMatTakeUREntriesU;
<a name="l00321"></a>00321 ddiagops->matview=DiagMatView;
<a name="l00322"></a>00322 ddiagops->matgetsize=DiagMatGetSize;
<a name="l00323"></a>00323 ddiagops->matmult=DiagMatMult;
<a name="l00324"></a>00324 ddiagops->matvecvec=DiagMatVecVec;
<a name="l00325"></a>00325 ddiagops->matzeroentries=DiagMatZeros;
<a name="l00326"></a>00326 ddiagops->matdestroy=DiagMatDestroy;
<a name="l00327"></a>00327 ddiagops->id=9;
<a name="l00328"></a>00328 ddiagops->matname=diagmatname;
<a name="l00329"></a>00329 DSDPFunctionReturn(0);
<a name="l00330"></a>00330 }
<a name="l00331"></a>00331
<a name="l00332"></a>00332 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structDSDPDSMat__Ops.html" title="Symmetric Delta S matrix for one block in the semidefinite cone.">DSDPDSMat_Ops</a> dsdiagmatopsp;
<a name="l00333"></a>00333 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structDSDPDSMat__Ops.html" title="Symmetric Delta S matrix for one block in the semidefinite cone.">DSDPDSMat_Ops</a> dsdiagmatopsu;
<a name="l00334"></a>00334
<a name="l00335"></a>00335 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00336"></a>00336 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPDiagDSMatP"</span>
<a name="l00337"></a>00337 <span class="preprocessor"></span><span class="keywordtype">int</span> DSDPCreateDiagDSMatP(<span class="keywordtype">int</span> n,<span class="keyword">struct</span> <a class="code" href="structDSDPDSMat__Ops.html" title="Symmetric Delta S matrix for one block in the semidefinite cone.">DSDPDSMat_Ops</a>* *dsmatops, <span class="keywordtype">void</span>**dsmat){
<a name="l00338"></a>00338
<a name="l00339"></a>00339 <span class="keywordtype">int</span> info=0;
<a name="l00340"></a>00340 diagmat *AA;
<a name="l00341"></a>00341
<a name="l00342"></a>00342 DSDPFunctionBegin;
<a name="l00343"></a>00343 info=DiagMatCreate(n,&AA); DSDPCHKERR(info);
<a name="l00344"></a>00344 info=DDiagDSMatOpsInitP(&dsdiagmatopsp); DSDPCHKERR(info);
<a name="l00345"></a>00345 *dsmatops=&dsdiagmatopsp;
<a name="l00346"></a>00346 *dsmat=(<span class="keywordtype">void</span>*)AA;
<a name="l00347"></a>00347 DSDPFunctionReturn(0);
<a name="l00348"></a>00348 }
<a name="l00349"></a>00349 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00350"></a>00350 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPDiagDSMatU"</span>
<a name="l00351"></a>00351 <span class="preprocessor"></span><span class="keywordtype">int</span> DSDPCreateDiagDSMatU(<span class="keywordtype">int</span> n,<span class="keyword">struct</span> <a class="code" href="structDSDPDSMat__Ops.html" title="Symmetric Delta S matrix for one block in the semidefinite cone.">DSDPDSMat_Ops</a>* *dsmatops, <span class="keywordtype">void</span>**dsmat){
<a name="l00352"></a>00352
<a name="l00353"></a>00353 <span class="keywordtype">int</span> info=0;
<a name="l00354"></a>00354 diagmat *AA;
<a name="l00355"></a>00355
<a name="l00356"></a>00356 DSDPFunctionBegin;
<a name="l00357"></a>00357 info=DiagMatCreate(n,&AA); DSDPCHKERR(info);
<a name="l00358"></a>00358 info=DDiagDSMatOpsInitU(&dsdiagmatopsu); DSDPCHKERR(info);
<a name="l00359"></a>00359 *dsmatops=&dsdiagmatopsu;
<a name="l00360"></a>00360 *dsmat=(<span class="keywordtype">void</span>*)AA;
<a name="l00361"></a>00361 DSDPFunctionReturn(0);
<a name="l00362"></a>00362 }
<a name="l00363"></a>00363
<a name="l00364"></a>00364 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagRowNonzeros(<span class="keywordtype">void</span>*M, <span class="keywordtype">int</span> row, <span class="keywordtype">double</span> cols[], <span class="keywordtype">int</span> *ncols,<span class="keywordtype">int</span> nrows){
<a name="l00365"></a>00365 DSDPFunctionBegin;
<a name="l00366"></a>00366 *ncols = 1;
<a name="l00367"></a>00367 cols[row]=1.0;
<a name="l00368"></a>00368 DSDPFunctionReturn(0);
<a name="l00369"></a>00369 }
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagAddDiag(<span class="keywordtype">void</span>*M, <span class="keywordtype">double</span> diag[], <span class="keywordtype">int</span> m){
<a name="l00372"></a>00372 diagmat* AA = (diagmat*)M;
<a name="l00373"></a>00373 <span class="keywordtype">double</span> *v=AA->val;
<a name="l00374"></a>00374 <span class="keywordtype">int</span> i;
<a name="l00375"></a>00375 DSDPFunctionBegin;
<a name="l00376"></a>00376 <span class="keywordflow">for</span> (i=0;i<m;i++){
<a name="l00377"></a>00377 v[i]+=diag[i];
<a name="l00378"></a>00378 }
<a name="l00379"></a>00379 DSDPFunctionReturn(0);
<a name="l00380"></a>00380 }
<a name="l00381"></a>00381
<a name="l00382"></a>00382 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMultiply(<span class="keywordtype">void</span>*M, <span class="keywordtype">double</span> xin[], <span class="keywordtype">double</span> xout[], <span class="keywordtype">int</span> m){
<a name="l00383"></a>00383 diagmat* AA = (diagmat*)M;
<a name="l00384"></a>00384 <span class="keywordtype">double</span> *v=AA->val;
<a name="l00385"></a>00385 <span class="keywordtype">int</span> i;
<a name="l00386"></a>00386 DSDPFunctionBegin;
<a name="l00387"></a>00387 <span class="keywordflow">for</span> (i=0;i<m;i++){
<a name="l00388"></a>00388 xout[i]+=v[i]*xin[i];
<a name="l00389"></a>00389 }
<a name="l00390"></a>00390 DSDPFunctionReturn(0);
<a name="l00391"></a>00391 }
<a name="l00392"></a>00392
<a name="l00393"></a>00393 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagShiftDiag(<span class="keywordtype">void</span>*M, <span class="keywordtype">double</span> dd){
<a name="l00394"></a>00394 diagmat* AA = (diagmat*)M;
<a name="l00395"></a>00395 <span class="keywordtype">double</span> *v=AA->val;
<a name="l00396"></a>00396 <span class="keywordtype">int</span> i,m=AA->n;
<a name="l00397"></a>00397 DSDPFunctionBegin;
<a name="l00398"></a>00398 <span class="keywordflow">for</span> (i=0;i<m;i++){
<a name="l00399"></a>00399 v[i]+=dd;
<a name="l00400"></a>00400 }
<a name="l00401"></a>00401 DSDPFunctionReturn(0);
<a name="l00402"></a>00402 }
<a name="l00403"></a>00403
<a name="l00404"></a>00404 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagAddElement(<span class="keywordtype">void</span>*M, <span class="keywordtype">int</span> ii, <span class="keywordtype">double</span> dd){
<a name="l00405"></a>00405 diagmat* AA = (diagmat*)M;
<a name="l00406"></a>00406 DSDPFunctionBegin;
<a name="l00407"></a>00407 AA->val[ii]+=dd;
<a name="l00408"></a>00408 DSDPFunctionReturn(0);
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410
<a name="l00411"></a>00411 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagMatOnProcessor(<span class="keywordtype">void</span>*A,<span class="keywordtype">int</span> row,<span class="keywordtype">int</span>*flag){
<a name="l00412"></a>00412 *flag=1;
<a name="l00413"></a>00413 <span class="keywordflow">return</span> 0;
<a name="l00414"></a>00414 }
<a name="l00415"></a>00415
<a name="l00416"></a>00416 <span class="keyword">static</span> <span class="keywordtype">int</span> DiagAssemble(<span class="keywordtype">void</span>*M){
<a name="l00417"></a>00417 <span class="keywordflow">return</span> 0;
<a name="l00418"></a>00418 }
<a name="l00419"></a>00419
<a name="l00420"></a>00420 <span class="keyword">static</span> <span class="keyword">struct </span>DSDPSchurMat_Ops dsdpdiagschurops;
<a name="l00421"></a>00421
<a name="l00422"></a>00422 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00423"></a>00423 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPDiagSchurOps"</span>
<a name="l00424"></a>00424 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DiagSchurOps(<span class="keyword">struct</span> DSDPSchurMat_Ops *sops){
<a name="l00425"></a>00425 <span class="keywordtype">int</span> info;
<a name="l00426"></a>00426 DSDPFunctionBegin;
<a name="l00427"></a>00427 <span class="keywordflow">if</span> (!sops) <span class="keywordflow">return</span> 0;
<a name="l00428"></a>00428 info=<a class="code" href="dsdpschurmat_8c.html#adb7cfe252525b4f617fc276f2c665f6b" title="Initialize function pointers to 0.">DSDPSchurMatOpsInitialize</a>(sops); DSDPCHKERR(info);
<a name="l00429"></a>00429 sops->matzero=DiagMatZeros;
<a name="l00430"></a>00430 sops->mataddrow=DiagMatAddRow2;
<a name="l00431"></a>00431 sops->mataddelement=DiagMatAddElement;
<a name="l00432"></a>00432 sops->matdestroy=DiagMatDestroy;
<a name="l00433"></a>00433 sops->matfactor=DiagMatCholeskyFactor;
<a name="l00434"></a>00434 sops->matsolve=DiagMatSolve;
<a name="l00435"></a>00435 sops->matadddiagonal=DiagAddDiag;
<a name="l00436"></a>00436 sops->matshiftdiagonal=DiagShiftDiag;
<a name="l00437"></a>00437 sops->mataddelement=DiagAddElement;
<a name="l00438"></a>00438 sops->matscaledmultiply=DiagMultiply;
<a name="l00439"></a>00439 sops->matassemble=DiagAssemble;
<a name="l00440"></a>00440 sops->pmatonprocessor=DiagMatOnProcessor;
<a name="l00441"></a>00441 sops->matrownonzeros=DiagRowNonzeros;
<a name="l00442"></a>00442 sops->id=9;
<a name="l00443"></a>00443 sops->matname=diagmatname;
<a name="l00444"></a>00444 DSDPFunctionReturn(0);
<a name="l00445"></a>00445 }
<a name="l00446"></a>00446
<a name="l00447"></a>00447 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00448"></a>00448 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPGetDiagSchurMat"</span>
<a name="l00449"></a>00449 <span class="preprocessor"></span><span class="keywordtype">int</span> DSDPGetDiagSchurMat(<span class="keywordtype">int</span> n, <span class="keyword">struct</span> DSDPSchurMat_Ops **sops, <span class="keywordtype">void</span> **data){
<a name="l00450"></a>00450 <span class="keywordtype">int</span> info=0;
<a name="l00451"></a>00451 diagmat *AA;
<a name="l00452"></a>00452 DSDPFunctionBegin;
<a name="l00453"></a>00453 info=DiagMatCreate(n,&AA); DSDPCHKERR(info);
<a name="l00454"></a>00454 info=DiagSchurOps(&dsdpdiagschurops); DSDPCHKERR(info);
<a name="l00455"></a>00455 <span class="keywordflow">if</span> (sops){*sops=&dsdpdiagschurops;}
<a name="l00456"></a>00456 <span class="keywordflow">if</span> (data){*data=(<span class="keywordtype">void</span>*)AA;}
<a name="l00457"></a>00457 DSDPFunctionReturn(0);
<a name="l00458"></a>00458 }
</pre></div></div>
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