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<a href="cholmat_8c.html">Go to the documentation of this file.</a><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 "<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="dsdpsys_8h.html" title="Error handling, printing, and profiling.">dsdpsys.h</a>"</span>
<a name="l00004"></a>00004 <span class="preprocessor">#include "<a class="code" href="dsdpvec_8h.html" title="Vector operations used by the solver.">dsdpvec.h</a>"</span>
<a name="l00005"></a>00005 <span class="preprocessor">#include "<a class="code" href="dsdp5_8h.html" title="The API to DSDP for those applications using DSDP as a subroutine library.">dsdp5.h</a>"</span>
<a name="l00006"></a>00006
<a name="l00011"></a>00011 <span class="keywordtype">int</span> <a class="code" href="dsdpschurmat_8c.html#a5d1bb7af407a05ae65c63e9d40146644" title="Identify nonzero elements in a row of the Schur complement.">DSDPSparsityInSchurMat</a>(<a class="code" href="structDSDP__C.html" title="Internal structures for the DSDP solver.">DSDP</a>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span> *, <span class="keywordtype">int</span>);
<a name="l00012"></a>00012 <span class="keywordtype">int</span> <a class="code" href="dsdpcops_8c.html#ae0eb90aaf8b6eeb6dfc629e6c36db654" title="Set the Schur complement matrix.">DSDPSetSchurMatOps</a>(<a class="code" href="structDSDP__C.html" title="Internal structures for the DSDP solver.">DSDP</a>,<span class="keyword">struct</span> DSDPSchurMat_Ops*,<span class="keywordtype">void</span>*);
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="keyword">typedef</span> <span class="keyword">struct </span>{
<a name="l00015"></a>00015 chfac *M;
<a name="l00016"></a>00016 <span class="keywordtype">int</span> m;
<a name="l00017"></a>00017 <span class="keywordtype">int</span> isdense;
<a name="l00018"></a>00018 <span class="keywordtype">int</span> *rnnz;
<a name="l00019"></a>00019 <span class="keywordtype">int</span> *colnnz;
<a name="l00020"></a>00020 <span class="keywordtype">int</span> nnz;
<a name="l00021"></a>00021 <a class="code" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9" title="This object hold m+2 variables: a scaling of C, the y variables, and r.">DSDPVec</a> D1;
<a name="l00022"></a>00022 <a class="code" href="structDSDP__C.html" title="Internal structures for the DSDP solver.">DSDP</a> dsdp;
<a name="l00023"></a>00023 } MCholSolverALL;
<a name="l00024"></a>00024
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keyword">static</span> <span class="keywordtype">int</span> dsdpuselapack=1;
<a name="l00027"></a>00027 <span class="preprocessor">#undef __FUNCT__ </span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPUseLAPACKForSchur"</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="keywordtype">int</span> DSDPUseLAPACKForSchur(<a class="code" href="structDSDP__C.html" title="Internal structures for the DSDP solver.">DSDP</a> dsdp,<span class="keywordtype">int</span> flag){
<a name="l00030"></a>00030 DSDPFunctionBegin;
<a name="l00031"></a>00031 dsdpuselapack = flag;
<a name="l00032"></a>00032 DSDPFunctionReturn(0);
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "Taddline"</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> Taddline(<span class="keywordtype">void</span>* M, <span class="keywordtype">int</span> row, <span class="keywordtype">double</span> dd, <span class="keywordtype">double</span> v[], <span class="keywordtype">int</span> m){
<a name="l00038"></a>00038 <span class="keywordtype">int</span> info;
<a name="l00039"></a>00039 MCholSolverALL *AMA = (MCholSolverALL *)M;
<a name="l00040"></a>00040 DSDPFunctionBegin;
<a name="l00041"></a>00041 info=MatAddColumn4(AMA->M,dd,v,row); DSDPCHKERR(info);
<a name="l00042"></a>00042 DSDPFunctionReturn(0);
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "Tadddiagonal"</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> Tadddiagonal(<span class="keywordtype">void</span>* M, <span class="keywordtype">int</span> row, <span class="keywordtype">double</span> v){
<a name="l00048"></a>00048 <span class="keywordtype">int</span> info;
<a name="l00049"></a>00049 MCholSolverALL *AMA = (MCholSolverALL *)M;
<a name="l00050"></a>00050 DSDPFunctionBegin;
<a name="l00051"></a>00051 info=MatAddDiagonalElement(AMA->M,row,v); DSDPCHKERR(info);
<a name="l00052"></a>00052 DSDPFunctionReturn(0);
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "Tassemble"</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> Tassemble(<span class="keywordtype">void</span>*M){
<a name="l00058"></a>00058 DSDPFunctionBegin;
<a name="l00059"></a>00059 DSDPFunctionReturn(0);
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00064"></a>00064 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPCheckForSparsity"</span>
<a name="l00065"></a>00065 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPCheckForSparsity( <a class="code" href="structDSDP__C.html" title="Internal structures for the DSDP solver.">DSDP</a> dsdp, <span class="keywordtype">int</span> m, <span class="keywordtype">int</span> *rnnz, <span class="keywordtype">int</span> tnnz[], <span class="keywordtype">int</span> *totalnnz){
<a name="l00066"></a>00066 <span class="keywordtype">int</span> info,i,j,tottalnnz=0;
<a name="l00067"></a>00067 DSDPFunctionBegin;
<a name="l00068"></a>00068 memset(rnnz,0,(m+1)*<span class="keyword">sizeof</span>(<span class="keywordtype">int</span>));
<a name="l00069"></a>00069 <span class="keywordflow">for</span> (i=0;i<m;i++){
<a name="l00070"></a>00070 info=<a class="code" href="dsdpschurmat_8c.html#a5d1bb7af407a05ae65c63e9d40146644" title="Identify nonzero elements in a row of the Schur complement.">DSDPSparsityInSchurMat</a>(dsdp,i,tnnz,m); DSDPCHKERR(info);
<a name="l00071"></a>00071 <span class="keywordflow">for</span> (j=i+1;j<m;j++){ <span class="keywordflow">if</span> (tnnz[j]>0) rnnz[i+1]++;}
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keywordflow">for</span> (i=0;i<m;i++){tottalnnz+=rnnz[i+1];}
<a name="l00075"></a>00075 *totalnnz=tottalnnz;
<a name="l00076"></a>00076 DSDPFunctionReturn(0);
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00080"></a>00080 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPCreateM"</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPCreateM(MCholSolverALL *ABA, chfac **M, <span class="keywordtype">int</span> rrnnz[],<span class="keywordtype">int</span> tnnz[], <span class="keywordtype">int</span> totalnnz){
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keywordtype">int</span> *snnz,*rnnz;
<a name="l00084"></a>00084 <span class="keywordtype">int</span> i,j,tt,info;
<a name="l00085"></a>00085 <span class="keywordtype">int</span> col,*perm,k;
<a name="l00086"></a>00086 chfac * sfptr;
<a name="l00087"></a>00087 <span class="keywordtype">int</span> n=ABA->m,m=ABA->m;
<a name="l00088"></a>00088 <a class="code" href="structDSDP__C.html" title="Internal structures for the DSDP solver.">DSDP</a> dsdp=ABA->dsdp;
<a name="l00089"></a>00089
<a name="l00090"></a>00090 DSDPFunctionBegin;
<a name="l00091"></a>00091
<a name="l00092"></a>00092 DSDPCALLOC2(&snnz,<span class="keywordtype">int</span>,(totalnnz+1),&info); DSDPCHKERR(info);
<a name="l00093"></a>00093 DSDPCALLOC2(&rnnz,<span class="keywordtype">int</span>,(m+1),&info); DSDPCHKERR(info);
<a name="l00094"></a>00094 <span class="keywordflow">for</span> (i=0;i<=m;i++){ rnnz[i]=rrnnz[i];}
<a name="l00095"></a>00095 tt=0;
<a name="l00096"></a>00096 <span class="keywordflow">for</span> (i=0;i<m;i++){
<a name="l00097"></a>00097 info=<a class="code" href="dsdpschurmat_8c.html#a5d1bb7af407a05ae65c63e9d40146644" title="Identify nonzero elements in a row of the Schur complement.">DSDPSparsityInSchurMat</a>(dsdp,i,tnnz,m); DSDPCHKERR(info);
<a name="l00098"></a>00098 <span class="keywordflow">for</span> (j=i+1;j<m;j++){ <span class="keywordflow">if</span> (tnnz[j]>0) {snnz[tt]=j; tt++;} }
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 printf(<span class="stringliteral">"Trying Sparse M: Total nonzeros: %d of %d \n"</span>,totalnnz,m*(m-1)/2 );
<a name="l00102"></a>00102 <span class="comment">/* Create sparse dual matrix structure */</span>
<a name="l00103"></a>00103 SymbProc(rnnz+1,snnz,n,&sfptr);
<a name="l00104"></a>00104 ABA->isdense=0;
<a name="l00105"></a>00105 ABA->M=sfptr;
<a name="l00106"></a>00106 ABA->nnz=totalnnz;
<a name="l00107"></a>00107 ABA->rnnz=rnnz;
<a name="l00108"></a>00108 ABA->colnnz=snnz;
<a name="l00109"></a>00109 *M=sfptr;
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordflow">for</span> (i=0;i<m;i++){
<a name="l00112"></a>00112 rnnz[i+1]+=rnnz[i];
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114
<a name="l00115"></a>00115 perm=sfptr->invp;
<a name="l00116"></a>00116 <span class="keywordflow">for</span> (i=m-1;i>=0;i--){
<a name="l00117"></a>00117 <span class="keywordflow">for</span> (j=rnnz[i+1]-1;j>=rnnz[i];j--){
<a name="l00118"></a>00118 col=snnz[j];
<a name="l00119"></a>00119 tt=perm[col];
<a name="l00120"></a>00120 <span class="keywordflow">if</span> (perm[i] > tt ){
<a name="l00121"></a>00121 <span class="keywordflow">for</span> (k=j;k<rnnz[col]-1;k++){ snnz[k]=snnz[k+1];}
<a name="l00122"></a>00122 <span class="keywordflow">for</span> (k=i;k<col;k++){ rnnz[k+1]--;}
<a name="l00123"></a>00123 snnz[rnnz[col]]=i;
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127
<a name="l00128"></a>00128 DSDPFunctionReturn(0);
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="preprocessor">#undef __FUNCT__ </span>
<a name="l00133"></a>00133 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPLinearSolverPrepare"</span>
<a name="l00134"></a>00134 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPLinearSolverPrepare(<span class="keywordtype">void</span>* ctx,<span class="keywordtype">int</span>*flag){
<a name="l00135"></a>00135
<a name="l00136"></a>00136 cfc_sta Cfact;
<a name="l00137"></a>00137 chfac *sf;
<a name="l00138"></a>00138 MCholSolverALL *AMA = (MCholSolverALL *)ctx;
<a name="l00139"></a>00139
<a name="l00140"></a>00140 DSDPFunctionBegin;
<a name="l00141"></a>00141 *flag=0;
<a name="l00142"></a>00142 sf=AMA->M;
<a name="l00143"></a>00143 <span class="comment">/*</span>
<a name="l00144"></a>00144 <span class="comment"> Cfact=(cfc_sta)ChlFact(sf,sf->iw,sf->rw,FALSE);</span>
<a name="l00145"></a>00145 <span class="comment"> */</span>
<a name="l00146"></a>00146 Cfact=(cfc_sta)ChlFact(sf,sf->iw,sf->rw,TRUE);
<a name="l00147"></a>00147 <span class="keywordflow">if</span> (CfcOk!=Cfact ){ *flag=1; <span class="comment">/* printf("Not Good factorization \n"); */</span> }
<a name="l00148"></a>00148 DSDPFunctionReturn(0);
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150
<a name="l00151"></a>00151
<a name="l00152"></a>00152 <span class="preprocessor">#undef __FUNCT__ </span>
<a name="l00153"></a>00153 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPLinearSolve"</span>
<a name="l00154"></a>00154 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPLinearSolve2(<span class="keywordtype">void</span>* ctx, <span class="keywordtype">double</span> dd[], <span class="keywordtype">double</span> xx[], <span class="keywordtype">int</span> n){
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="keywordtype">int</span> i,info;
<a name="l00157"></a>00157 <span class="keywordtype">double</span> *bb;
<a name="l00158"></a>00158 MCholSolverALL *AMA = (MCholSolverALL *)ctx;
<a name="l00159"></a>00159
<a name="l00160"></a>00160 DSDPFunctionBegin;
<a name="l00161"></a>00161 info=DSDPVecGetArray(AMA->D1, &bb);DSDPCHKERR(info);
<a name="l00162"></a>00162 <span class="keywordflow">for</span> (i=0;i<n;i++){ bb[i]=dd[i];}
<a name="l00163"></a>00163 ChlSolve(AMA->M, bb, xx);
<a name="l00164"></a>00164 info=DSDPVecRestoreArray(AMA->D1, &bb);
<a name="l00165"></a>00165 DSDPFunctionReturn(0);
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00170"></a>00170 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPGramMatRowNonzeros"</span>
<a name="l00171"></a>00171 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPGramMatRowNonzeros(<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="l00172"></a>00172 MCholSolverALL *AMA = (MCholSolverALL *)M;
<a name="l00173"></a>00173 <span class="keywordtype">int</span> i;
<a name="l00174"></a>00174 DSDPFunctionBegin;
<a name="l00175"></a>00175 <span class="keywordflow">if</span> (AMA->isdense){
<a name="l00176"></a>00176 *ncols = nrows-row;
<a name="l00177"></a>00177 <span class="keywordflow">for</span> (i=row;i<nrows;i++){
<a name="l00178"></a>00178 cols[i]=1.0;
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180 } <span class="keywordflow">else</span> {
<a name="l00181"></a>00181 *ncols = AMA->rnnz[row+1] - AMA->rnnz[row]+1;
<a name="l00182"></a>00182 cols[row]=1.0;
<a name="l00183"></a>00183 <span class="keywordflow">for</span> (i=AMA->rnnz[row]; i<AMA->rnnz[row+1]; i++){
<a name="l00184"></a>00184 cols[AMA->colnnz[i]]=1.0;
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187 DSDPFunctionReturn(0);
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00191"></a>00191 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "Tzero"</span>
<a name="l00192"></a>00192 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> Tzero(<span class="keywordtype">void</span>*M){
<a name="l00193"></a>00193 <span class="keywordtype">int</span> info;
<a name="l00194"></a>00194 MCholSolverALL *AMA = (MCholSolverALL *)M;
<a name="l00195"></a>00195 DSDPFunctionBegin;
<a name="l00196"></a>00196 info=MatZeroEntries4(AMA->M); DSDPCHKERR(info);
<a name="l00197"></a>00197 DSDPFunctionReturn(0);
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00201"></a>00201 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "Tdestroy"</span>
<a name="l00202"></a>00202 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> Tdestroy(<span class="keywordtype">void</span>*M){
<a name="l00203"></a>00203 MCholSolverALL *AMA = (MCholSolverALL *)M;
<a name="l00204"></a>00204 <span class="keywordtype">int</span> info;
<a name="l00205"></a>00205 DSDPFunctionBegin;
<a name="l00206"></a>00206 CfcFree(&AMA->M);
<a name="l00207"></a>00207 info = DSDPVecDestroy(&AMA->D1); DSDPCHKERR(info);
<a name="l00208"></a>00208 <span class="keywordflow">if</span> (AMA->isdense==0 && AMA->rnnz ){
<a name="l00209"></a>00209 DSDPFREE(&AMA->rnnz,&info);DSDPCHKERR(info);
<a name="l00210"></a>00210 DSDPFREE(&AMA->colnnz,&info);DSDPCHKERR(info);
<a name="l00211"></a>00211 }
<a name="l00212"></a>00212 DSDPFREE(&AMA,&info);DSDPCHKERR(info);
<a name="l00213"></a>00213 DSDPFunctionReturn(0);
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215
<a name="l00216"></a>00216 <span class="keyword">static</span> <span class="keywordtype">int</span> Tsetup(<span class="keywordtype">void</span>*M, <span class="keywordtype">int</span> m){
<a name="l00217"></a>00217 DSDPFunctionBegin;
<a name="l00218"></a>00218 DSDPFunctionReturn(0);
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220
<a name="l00221"></a>00221 <span class="keyword">static</span> <span class="keywordtype">int</span> TTTMatMult(<span class="keywordtype">void</span>*M,<span class="keywordtype">double</span> x[],<span class="keywordtype">double</span> y[],<span class="keywordtype">int</span> n){
<a name="l00222"></a>00222 MCholSolverALL *AMA = (MCholSolverALL *)M;
<a name="l00223"></a>00223 <span class="keywordtype">int</span> info;
<a name="l00224"></a>00224 DSDPFunctionBegin;
<a name="l00225"></a>00225 info=MatMult4(AMA->M,x,y,n); DSDPCHKERR(info);
<a name="l00226"></a>00226 DSDPFunctionReturn(0);
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228
<a name="l00229"></a>00229 <span class="keyword">static</span> <span class="keywordtype">int</span> TTTMatShiftDiagonal(<span class="keywordtype">void</span> *M, <span class="keywordtype">double</span> d){
<a name="l00230"></a>00230 MCholSolverALL *AMA = (MCholSolverALL *)M;
<a name="l00231"></a>00231 <span class="keywordtype">int</span> info;
<a name="l00232"></a>00232 DSDPFunctionBegin;
<a name="l00233"></a>00233 info=Mat4DiagonalShift(AMA->M,d); DSDPCHKERR(info);
<a name="l00234"></a>00234 DSDPFunctionReturn(0);
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="keyword">static</span> <span class="keywordtype">int</span> TTTMatAddDiagonal(<span class="keywordtype">void</span> *M, <span class="keywordtype">double</span> diag[], <span class="keywordtype">int</span> m){
<a name="l00238"></a>00238 MCholSolverALL *AMA = (MCholSolverALL *)M;
<a name="l00239"></a>00239 <span class="keywordtype">int</span> info;
<a name="l00240"></a>00240 DSDPFunctionBegin;
<a name="l00241"></a>00241 info=Mat4AddDiagonal(AMA->M,diag,m); DSDPCHKERR(info);
<a name="l00242"></a>00242 DSDPFunctionReturn(0);
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244
<a name="l00245"></a>00245 <span class="keyword">static</span> <span class="keywordtype">int</span> TTTMatView(<span class="keywordtype">void</span> *M){
<a name="l00246"></a>00246 MCholSolverALL *AMA = (MCholSolverALL *)M;
<a name="l00247"></a>00247 <span class="keywordtype">int</span> info;
<a name="l00248"></a>00248 DSDPFunctionBegin;
<a name="l00249"></a>00249 info=Mat4View(AMA->M); DSDPCHKERR(info);
<a name="l00250"></a>00250 DSDPFunctionReturn(0);
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252
<a name="l00253"></a>00253
<a name="l00254"></a>00254 <span class="comment">/*</span>
<a name="l00255"></a>00255 <span class="comment">static int TTTMatGetDiagonal(void *M, double d[], int n){</span>
<a name="l00256"></a>00256 <span class="comment"> chfac*A = (chfac*)M;</span>
<a name="l00257"></a>00257 <span class="comment"> int info;</span>
<a name="l00258"></a>00258 <span class="comment"> DSDPFunctionBegin;</span>
<a name="l00259"></a>00259 <span class="comment"> info=Mat4GetDiagonal(A,d,n); DSDPCHKERR(info);</span>
<a name="l00260"></a>00260 <span class="comment"> DSDPFunctionReturn(0);</span>
<a name="l00261"></a>00261 <span class="comment">}</span>
<a name="l00262"></a>00262 <span class="comment">*/</span>
<a name="l00263"></a>00263 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* tmatname=<span class="stringliteral">"SPARSE PSD"</span>;
<a name="l00264"></a>00264
<a name="l00265"></a>00265 <span class="keyword">static</span> <span class="keywordtype">int</span> TMatOpsInit(<span class="keyword">struct</span> DSDPSchurMat_Ops *mops){
<a name="l00266"></a>00266 <span class="keywordtype">int</span> info;
<a name="l00267"></a>00267 DSDPFunctionBegin;
<a name="l00268"></a>00268 info=<a class="code" href="dsdpschurmat_8c.html#adb7cfe252525b4f617fc276f2c665f6b" title="Initialize function pointers to 0.">DSDPSchurMatOpsInitialize</a>(mops); DSDPCHKERR(info);
<a name="l00269"></a>00269 mops->matrownonzeros=DSDPGramMatRowNonzeros;
<a name="l00270"></a>00270 mops->mataddrow=Taddline;
<a name="l00271"></a>00271 mops->matadddiagonal=TTTMatAddDiagonal;
<a name="l00272"></a>00272 mops->mataddelement=Tadddiagonal;
<a name="l00273"></a>00273 mops->matshiftdiagonal=TTTMatShiftDiagonal;
<a name="l00274"></a>00274 mops->matassemble=Tassemble;
<a name="l00275"></a>00275 mops->matscaledmultiply=TTTMatMult;
<a name="l00276"></a>00276 mops->matfactor=DSDPLinearSolverPrepare;
<a name="l00277"></a>00277 mops->matsolve=DSDPLinearSolve2;
<a name="l00278"></a>00278 mops->matdestroy=Tdestroy;
<a name="l00279"></a>00279 mops->matzero=Tzero;
<a name="l00280"></a>00280 mops->matsetup=Tsetup;
<a name="l00281"></a>00281 mops->matview=TTTMatView;
<a name="l00282"></a>00282 mops->id=5;
<a name="l00283"></a>00283 mops->matname=tmatname;
<a name="l00284"></a>00284 DSDPFunctionReturn(0);
<a name="l00285"></a>00285 }
<a name="l00286"></a>00286
<a name="l00287"></a>00287 <span class="keyword">static</span> <span class="keyword">struct </span>DSDPSchurMat_Ops dsdpmatops;
<a name="l00288"></a>00288
<a name="l00289"></a>00289 <span class="keywordtype">int</span> DSDPGetDiagSchurMat(<span class="keywordtype">int</span>, <span class="keyword">struct</span> DSDPSchurMat_Ops **,<span class="keywordtype">void</span> **);
<a name="l00290"></a>00290 <span class="keywordtype">int</span> DSDPGetLAPACKSUSchurOps(<span class="keywordtype">int</span>,<span class="keyword">struct</span> DSDPSchurMat_Ops**,<span class="keywordtype">void</span>**);
<a name="l00291"></a>00291 <span class="keywordtype">int</span> DSDPGetLAPACKPUSchurOps(<span class="keywordtype">int</span>,<span class="keyword">struct</span> DSDPSchurMat_Ops**,<span class="keywordtype">void</span>**);
<a name="l00292"></a>00292
<a name="l00293"></a>00293 <span class="keyword">static</span> <span class="keywordtype">int</span> DSDPCreateM(MCholSolverALL*,chfac**,<span class="keywordtype">int</span>[],<span class="keywordtype">int</span>[],<span class="keywordtype">int</span>);
<a name="l00294"></a>00294 <span class="keyword">static</span> <span class="keywordtype">int</span> DSDPCreateSchurMatrix(<span class="keywordtype">void</span>*,<span class="keywordtype">int</span>);
<a name="l00295"></a>00295
<a name="l00296"></a>00296 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00297"></a>00297 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPCreateSchurMatrix"</span>
<a name="l00298"></a>00298 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPCreateSchurMatrix(<span class="keywordtype">void</span> *ctx, <span class="keywordtype">int</span> m){
<a name="l00299"></a>00299
<a name="l00300"></a>00300 <span class="keywordtype">int</span> info;
<a name="l00301"></a>00301 <span class="keywordtype">int</span> *rnnz,*tnnz,totalnnz;
<a name="l00302"></a>00302 <span class="keywordtype">int</span> gotit=0;
<a name="l00303"></a>00303 <a class="code" href="structDSDP__C.html" title="Internal structures for the DSDP solver.">DSDP</a> dsdp=(<a class="code" href="dsdpbasictypes_8h.html#a6846cf08c1143f181c7ff13cb00b8ea5" title="An implementation of the dual-scaling algorithm for semidefinite programming.">DSDP</a>)ctx;
<a name="l00304"></a>00304 chfac *sf;
<a name="l00305"></a>00305 MCholSolverALL *AMA;
<a name="l00306"></a>00306 <span class="keywordtype">void</span> *tdata;
<a name="l00307"></a>00307 <span class="keyword">struct </span>DSDPSchurMat_Ops *tmatops;
<a name="l00308"></a>00308
<a name="l00309"></a>00309 DSDPFunctionBegin;
<a name="l00310"></a>00310 <span class="keywordflow">if</span> (m<=1){
<a name="l00311"></a>00311 info=DSDPGetDiagSchurMat(m,&tmatops,&tdata); DSDPCHKERR(info);
<a name="l00312"></a>00312 info=<a class="code" href="dsdpcops_8c.html#ae0eb90aaf8b6eeb6dfc629e6c36db654" title="Set the Schur complement matrix.">DSDPSetSchurMatOps</a>(dsdp,tmatops,tdata); DSDPCHKERR(info);
<a name="l00313"></a>00313 <span class="keywordflow">return</span> 0;
<a name="l00314"></a>00314 }
<a name="l00315"></a>00315
<a name="l00316"></a>00316 DSDPCALLOC2(&rnnz,<span class="keywordtype">int</span>,(m+1),&info); DSDPCHKERR(info);
<a name="l00317"></a>00317 DSDPCALLOC2(&tnnz,<span class="keywordtype">int</span>,(m+1),&info); DSDPCHKERR(info);
<a name="l00318"></a>00318
<a name="l00319"></a>00319 info=DSDPCheckForSparsity(dsdp,m,rnnz,tnnz,&totalnnz); DSDPCHKERR(info);
<a name="l00320"></a>00320
<a name="l00321"></a>00321 <span class="keywordflow">if</span> (totalnnz*2+m > m*m*0.1 && dsdpuselapack) {
<a name="l00322"></a>00322 gotit=1;
<a name="l00323"></a>00323 info=DSDPGetLAPACKSUSchurOps(m,&tmatops,&tdata);
<a name="l00324"></a>00324 <span class="comment">/* DSDPCHKERR(info); */</span> <span class="keywordflow">if</span> (info) {gotit=0;printf(<span class="stringliteral">"Try packed format\n"</span>); }
<a name="l00325"></a>00325 DSDPLogInfo(0,8,<span class="stringliteral">"Creating Dense Full LAPACK Schur Matrix\n"</span>);
<a name="l00326"></a>00326 info=<a class="code" href="dsdpcops_8c.html#ae0eb90aaf8b6eeb6dfc629e6c36db654" title="Set the Schur complement matrix.">DSDPSetSchurMatOps</a>(dsdp,tmatops,tdata); DSDPCHKERR(info);
<a name="l00327"></a>00327 }
<a name="l00328"></a>00328
<a name="l00329"></a>00329 <span class="keywordflow">if</span> ( 0 && totalnnz*2+m > m*m*0.1 && dsdpuselapack) {
<a name="l00330"></a>00330
<a name="l00331"></a>00331 info=DSDPGetLAPACKPUSchurOps(m,&tmatops,&tdata); DSDPCHKERR(info);
<a name="l00332"></a>00332 DSDPLogInfo(0,8,<span class="stringliteral">"Creating Dense Packed LAPACK Schur Matrix\n"</span>);
<a name="l00333"></a>00333 info=<a class="code" href="dsdpcops_8c.html#ae0eb90aaf8b6eeb6dfc629e6c36db654" title="Set the Schur complement matrix.">DSDPSetSchurMatOps</a>(dsdp,tmatops,tdata); DSDPCHKERR(info);
<a name="l00334"></a>00334 gotit=1;
<a name="l00335"></a>00335
<a name="l00336"></a>00336 }
<a name="l00337"></a>00337 <span class="keywordflow">if</span> (gotit==0){
<a name="l00338"></a>00338
<a name="l00339"></a>00339 DSDPCALLOC1(&AMA,MCholSolverALL,&info);DSDPCHKERR(info);
<a name="l00340"></a>00340 AMA->dsdp=dsdp; AMA->m=m;
<a name="l00341"></a>00341 info=DSDPVecCreateSeq(m,&AMA->D1); DSDPCHKERR(info);
<a name="l00342"></a>00342 <span class="keywordflow">if</span> (totalnnz*2+m > m*m * 0.11 ){
<a name="l00343"></a>00343 info=MchlSetup2(m,&sf); DSDPCHKERR(info);
<a name="l00344"></a>00344 AMA->M=sf; AMA->isdense=1;
<a name="l00345"></a>00345 AMA->rnnz=0; AMA->colnnz=0;
<a name="l00346"></a>00346 DSDPLogInfo(0,8,<span class="stringliteral">"Creating Dense Full non LAPACK Schur Matrix\n"</span>);
<a name="l00347"></a>00347 } <span class="keywordflow">else</span> {
<a name="l00348"></a>00348 info=DSDPCreateM(AMA,&sf,rnnz,tnnz,totalnnz); DSDPCHKERR(info);
<a name="l00349"></a>00349 DSDPLogInfo(0,8,<span class="stringliteral">"Creating Sparse Schur Matrix\n"</span>);
<a name="l00350"></a>00350 }
<a name="l00351"></a>00351 AMA->M=sf;
<a name="l00352"></a>00352 info=TMatOpsInit(&dsdpmatops); DSDPCHKERR(info);
<a name="l00353"></a>00353 info=<a class="code" href="dsdpcops_8c.html#ae0eb90aaf8b6eeb6dfc629e6c36db654" title="Set the Schur complement matrix.">DSDPSetSchurMatOps</a>(dsdp,&dsdpmatops,(<span class="keywordtype">void</span>*)AMA); DSDPCHKERR(info);
<a name="l00354"></a>00354 }
<a name="l00355"></a>00355 DSDPFREE(&tnnz,&info);DSDPCHKERR(info);
<a name="l00356"></a>00356 DSDPFREE(&rnnz,&info);DSDPCHKERR(info);
<a name="l00357"></a>00357 DSDPFunctionReturn(0);
<a name="l00358"></a>00358 }
<a name="l00359"></a>00359
<a name="l00360"></a>00360 <span class="keyword">static</span> <span class="keyword">struct </span>DSDPSchurMat_Ops dsdpmatops000;
<a name="l00361"></a>00361
<a name="l00362"></a>00362 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00363"></a>00363 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPSetDefaultSchurMatrixStructure"</span>
<a name="l00364"></a>00364 <span class="preprocessor"></span><span class="keywordtype">int</span> DSDPSetDefaultSchurMatrixStructure(<a class="code" href="structDSDP__C.html" title="Internal structures for the DSDP solver.">DSDP</a> dsdp){
<a name="l00365"></a>00365 <span class="keywordtype">int</span> info;
<a name="l00366"></a>00366 DSDPFunctionBegin;
<a name="l00367"></a>00367 info=<a class="code" href="dsdpschurmat_8c.html#adb7cfe252525b4f617fc276f2c665f6b" title="Initialize function pointers to 0.">DSDPSchurMatOpsInitialize</a>(&dsdpmatops000); DSDPCHKERR(info);
<a name="l00368"></a>00368 dsdpmatops000.matsetup=DSDPCreateSchurMatrix;
<a name="l00369"></a>00369 info=<a class="code" href="dsdpcops_8c.html#ae0eb90aaf8b6eeb6dfc629e6c36db654" title="Set the Schur complement matrix.">DSDPSetSchurMatOps</a>(dsdp,&dsdpmatops000,(<span class="keywordtype">void</span>*)dsdp);DSDPCHKERR(info);
<a name="l00370"></a>00370 DSDPFunctionReturn(0);
<a name="l00371"></a>00371 }
<a name="l00372"></a>00372
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