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<div class="title">dsdpobjcone.c</div> </div>
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<a href="dsdpobjcone_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 "<a class="code" href="dsdpcone__impl_8h.html" title="Implementations of a cone (SDP,LP,...) must provide a structure of function pointers.">dsdpcone_impl.h</a>"</span>
<a name="l00002"></a>00002 <span class="preprocessor">#include "<a class="code" href="dsdpsys_8h.html" title="Error handling, printing, and profiling.">dsdpsys.h</a>"</span>
<a name="l00008"></a>00008 <span class="keyword">typedef</span> <span class="keyword">struct </span>{
<a name="l00009"></a>00009 <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> b,bb,T;
<a name="l00010"></a>00010 <span class="keywordtype">double</span> dmin;
<a name="l00011"></a>00011 <span class="keywordtype">double</span> pss,dss;
<a name="l00012"></a>00012 <a class="code" href="structDSDP__C.html" title="Internal structures for the DSDP solver.">DSDP</a> dsdp;
<a name="l00013"></a>00013 <a class="code" href="dsdpbasictypes_8h.html#ae667f2bff3ab5ab0bc109fa76dc4ed65" title="Boolean variables.">DSDPTruth</a> useit;
<a name="l00014"></a>00014 } BDCone;
<a name="l00015"></a>00015
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="keyword">static</span> <span class="keywordtype">int</span> BComputeS(BDCone *K, <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> v, <span class="keywordtype">double</span> *ss){
<a name="l00018"></a>00018 <span class="keywordtype">int</span> info;
<a name="l00019"></a>00019 DSDPFunctionBegin;
<a name="l00020"></a>00020 info=DSDPVecDot(K->bb,v,ss);DSDPCHKERR(info);
<a name="l00021"></a>00021 DSDPFunctionReturn(0);
<a name="l00022"></a>00022 }
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#undef __FUNCT__ </span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPRHessian"</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPRHessian( <span class="keywordtype">void</span> *dspcone, <span class="keywordtype">double</span> mu, <a class="code" href="structDSDPSchurMat__C.html" title="Schur complement matrix whose solution is the Newton direction.">DSDPSchurMat</a> M, <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> vrhs1, <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> vrhs2){
<a name="l00027"></a>00027 BDCone *K=(BDCone*)dspcone;
<a name="l00028"></a>00028 <span class="keywordtype">double</span> bb,dd,ss=K->dss;
<a name="l00029"></a>00029 <span class="keywordtype">int</span> info,i,m,ncols;
<a name="l00030"></a>00030 <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> T=K->T,b=K->bb;
<a name="l00031"></a>00031 DSDPFunctionBegin;
<a name="l00032"></a>00032 <span class="keywordflow">if</span> (K->useit){
<a name="l00033"></a>00033 info=DSDPVecGetSize(b,&m);DSDPCHKERR(info);
<a name="l00034"></a>00034 <span class="keywordflow">for</span> (i=0;i<m;i++){
<a name="l00035"></a>00035 info=DSDPVecGetElement(b,i,&bb);DSDPCHKERR(info);
<a name="l00036"></a>00036 <span class="keywordflow">if</span> (bb==0) <span class="keywordflow">continue</span>;
<a name="l00037"></a>00037
<a name="l00038"></a>00038 info=<a class="code" href="dsdpschurmat_8h.html#ac898fbdcd22765401a81682609dc897c" title="Get the scaling and nonzero pattern of each column in this row of the matrix.">DSDPSchurMatRowColumnScaling</a>(M,i,T,&ncols); DSDPCHKERR(info);
<a name="l00039"></a>00039 <span class="keywordflow">if</span> (ncols==0) <span class="keywordflow">continue</span>;
<a name="l00040"></a>00040
<a name="l00041"></a>00041 info=DSDPVecGetElement(T,i,&dd);DSDPCHKERR(info);
<a name="l00042"></a>00042 info=DSDPVecAddElement(vrhs2,i,-bb*dd*mu/ss);DSDPCHKERR(info);
<a name="l00043"></a>00043
<a name="l00044"></a>00044 info=DSDPVecPointwiseMult(T,b,T);DSDPCHKERR(info);
<a name="l00045"></a>00045
<a name="l00046"></a>00046 info=DSDPVecScale(mu*bb/(ss*ss),T);DSDPCHKERR(info);
<a name="l00047"></a>00047 info=<a class="code" href="dsdpschurmat_8h.html#af719c02885dbf6f831e92e8f83ffa0b5" title="Add elements to a row of the Schur matrix.">DSDPSchurMatAddRow</a>(M,i,1.0,T);DSDPCHKERR(info);
<a name="l00048"></a>00048 <span class="comment">/*</span>
<a name="l00049"></a>00049 <span class="comment"> info=DSDPSchurMatAddRow(M,i,mu*bb/(ss*ss),T);DSDPCHKERR(info);</span>
<a name="l00050"></a>00050 <span class="comment"> */</span>
<a name="l00051"></a>00051 <span class="keywordflow">if</span> (i==-m-1){info=DSDPVecView(T);}
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054 DSDPFunctionReturn(0);
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keyword">static</span> <span class="keywordtype">int</span> DSDPRRHS( <span class="keywordtype">void</span> *dcone, <span class="keywordtype">double</span> mu, <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> vrow, <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> vrhs1, <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> vrhs2){
<a name="l00058"></a>00058 BDCone *K=(BDCone*)dcone;
<a name="l00059"></a>00059 <span class="keywordtype">double</span> bb,dd,ss=K->dss;
<a name="l00060"></a>00060 <span class="keywordtype">int</span> info,i,m;
<a name="l00061"></a>00061 <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> b=K->bb;
<a name="l00062"></a>00062 DSDPFunctionBegin;
<a name="l00063"></a>00063 <span class="keywordflow">if</span> (K->useit){
<a name="l00064"></a>00064 info=DSDPVecGetSize(b,&m);DSDPCHKERR(info);
<a name="l00065"></a>00065 <span class="keywordflow">for</span> (i=0;i<m;i++){
<a name="l00066"></a>00066 info=DSDPVecGetElement(b,i,&bb);DSDPCHKERR(info);
<a name="l00067"></a>00067 info=DSDPVecGetElement(vrow,i,&dd);DSDPCHKERR(info);
<a name="l00068"></a>00068 info=DSDPVecAddElement(vrhs2,i,-bb*dd*mu/ss);DSDPCHKERR(info);
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070 <span class="comment">/*</span>
<a name="l00071"></a>00071 <span class="comment"> info=DSDPVecGetR(b,&bb);DSDPCHKERR(info);</span>
<a name="l00072"></a>00072 <span class="comment"> info=DSDPVecGetR(vrhs3,&dd);DSDPCHKERR(info);</span>
<a name="l00073"></a>00073 <span class="comment"> info=DSDPVecPointwiseMult(vrow,b,T);DSDPCHKERR(info);</span>
<a name="l00074"></a>00074 <span class="comment"> info=DSDPVecScale(mu*bb/(ss*ss),T);DSDPCHKERR(info);</span>
<a name="l00075"></a>00075 <span class="comment"> info=DSDPVecAXPY(dd,T,vrhs3);DSDPCHKERR(info);</span>
<a name="l00076"></a>00076 <span class="comment"> */</span>
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078 DSDPFunctionReturn(0);
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="preprocessor">#undef __FUNCT__ </span>
<a name="l00082"></a>00082 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPSetupBCone"</span>
<a name="l00083"></a>00083 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPSetupBCone(<span class="keywordtype">void</span>* dspcone,<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> y){
<a name="l00084"></a>00084 DSDPFunctionBegin;
<a name="l00085"></a>00085 DSDPFunctionReturn(0);
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="preprocessor">#undef __FUNCT__ </span>
<a name="l00090"></a>00090 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPSetDRData"</span>
<a name="l00091"></a>00091 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPSetDRData(BDCone *K){
<a name="l00092"></a>00092 <span class="keywordtype">int</span> info;
<a name="l00093"></a>00093 DSDPFunctionBegin;
<a name="l00094"></a>00094 info=DSDPVecCopy(K->b,K->bb);DSDPCHKERR(info);
<a name="l00095"></a>00095 info=DSDPVecSetC(K->bb,K->dmin);DSDPCHKERR(info);
<a name="l00096"></a>00096 info=DSDPVecSetR(K->bb,-1.0);DSDPCHKERR(info);
<a name="l00097"></a>00097 DSDPFunctionReturn(0);
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="preprocessor">#undef __FUNCT__ </span>
<a name="l00101"></a>00101 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPSetupBCone2"</span>
<a name="l00102"></a>00102 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPSetupBCone2(<span class="keywordtype">void</span>* dspcone, <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> y, <a class="code" href="structDSDPSchurMat__C.html" title="Schur complement matrix whose solution is the Newton direction.">DSDPSchurMat</a> M){
<a name="l00103"></a>00103 BDCone *K=(BDCone*)dspcone;
<a name="l00104"></a>00104 <span class="keywordtype">int</span> info;
<a name="l00105"></a>00105 DSDPFunctionBegin;
<a name="l00106"></a>00106 info=DSDPVecDuplicate(K->b,&K->T);DSDPCHKERR(info);
<a name="l00107"></a>00107 info=DSDPVecDuplicate(K->b,&K->bb);DSDPCHKERR(info);
<a name="l00108"></a>00108 info=DSDPSetDRData(K);DSDPCHKERR(info);
<a name="l00109"></a>00109 DSDPFunctionReturn(0);
<a name="l00110"></a>00110 }
<a name="l00111"></a>00111
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="preprocessor">#undef __FUNCT__ </span>
<a name="l00114"></a>00114 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPDestroyBCone"</span>
<a name="l00115"></a>00115 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPDestroyBCone(<span class="keywordtype">void</span>* dspcone){
<a name="l00116"></a>00116 BDCone *K=(BDCone*)dspcone;
<a name="l00117"></a>00117 <span class="keywordtype">int</span> info;
<a name="l00118"></a>00118 DSDPFunctionBegin;
<a name="l00119"></a>00119 info=DSDPVecDestroy(&K->T);DSDPCHKERR(info);
<a name="l00120"></a>00120 info=DSDPVecDestroy(&K->bb);DSDPCHKERR(info);
<a name="l00121"></a>00121 DSDPFREE(&dspcone,&info);DSDPCHKERR(info);
<a name="l00122"></a>00122 DSDPFunctionReturn(0);
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="preprocessor">#undef __FUNCT__ </span>
<a name="l00127"></a>00127 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPRSize"</span>
<a name="l00128"></a>00128 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPRSize(<span class="keywordtype">void</span>*dspcone,<span class="keywordtype">double</span>*n){
<a name="l00129"></a>00129 DSDPFunctionBegin;
<a name="l00130"></a>00130 *n=1.0;
<a name="l00131"></a>00131 DSDPFunctionReturn(0);
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="preprocessor">#undef __FUNCT__ </span>
<a name="l00135"></a>00135 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPRSparsity"</span>
<a name="l00136"></a>00136 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPRSparsity(<span class="keywordtype">void</span>*dspcone,<span class="keywordtype">int</span> row, <span class="keywordtype">int</span> *tnnz, <span class="keywordtype">int</span> rnnz[], <span class="keywordtype">int</span> m){
<a name="l00137"></a>00137 BDCone *K=(BDCone*)dspcone;
<a name="l00138"></a>00138 <span class="keywordtype">int</span> i,info;<span class="keywordtype">double</span> dd;
<a name="l00139"></a>00139 DSDPFunctionBegin;
<a name="l00140"></a>00140 *tnnz=0;
<a name="l00141"></a>00141
<a name="l00142"></a>00142 info=DSDPVecGetElement(K->b,row,&dd);DSDPCHKERR(info);
<a name="l00143"></a>00143 <span class="keywordflow">if</span> (dd){
<a name="l00144"></a>00144 <span class="keywordflow">for</span> (i=0;i<m;i++){
<a name="l00145"></a>00145 info=DSDPVecGetElement(K->b,i,&dd);DSDPCHKERR(info);
<a name="l00146"></a>00146 <span class="keywordflow">if</span> (dd!=0){rnnz[i]++; (*tnnz)++;}
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 DSDPFunctionReturn(0);
<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__ "DSDPComputeRS"</span>
<a name="l00154"></a>00154 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPComputeRS(<span class="keywordtype">void</span> *dspcone, <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> Y, <a class="code" href="dsdpbasictypes_8h.html#ae47666e7e5d77002110e20ef9ebb634b" title="DSDP requires two instances of the data structures S.">DSDPDualFactorMatrix</a> flag, <a class="code" href="dsdpbasictypes_8h.html#ae667f2bff3ab5ab0bc109fa76dc4ed65" title="Boolean variables.">DSDPTruth</a> *ispsdefinite){
<a name="l00155"></a>00155 BDCone *K=(BDCone*)dspcone;
<a name="l00156"></a>00156 <span class="keywordtype">int</span> info;
<a name="l00157"></a>00157 <span class="keywordtype">double</span> ss;
<a name="l00158"></a>00158 DSDPFunctionBegin;
<a name="l00159"></a>00159 info=BComputeS(K,Y,&ss);DSDPCHKERR(info);
<a name="l00160"></a>00160 <span class="keywordflow">if</span> (ss>0){ *ispsdefinite=<a class="code" href="dsdpbasictypes_8h.html#ae667f2bff3ab5ab0bc109fa76dc4ed65ae6b2e53e51e94a5fa7204ceac78f824f">DSDP_TRUE</a>; } <span class="keywordflow">else</span> { *ispsdefinite=<a class="code" href="dsdpbasictypes_8h.html#ae667f2bff3ab5ab0bc109fa76dc4ed65a74385569aa7a59059a8847e2d39b754c">DSDP_FALSE</a>;}
<a name="l00161"></a>00161 <span class="keywordflow">if</span> (flag==<a class="code" href="dsdpbasictypes_8h.html#ae47666e7e5d77002110e20ef9ebb634bab6fdf4f2eac3be74db4cdd12007f3cb0">DUAL_FACTOR</a>){ K->dss=ss; } <span class="keywordflow">else</span> { K->pss=ss;}
<a name="l00162"></a>00162 DSDPLogInfo(0,2,<span class="stringliteral">"DOBJCone SS: %4.4e \n"</span>,ss);
<a name="l00163"></a>00163 DSDPFunctionReturn(0);
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00167"></a>00167 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPInvertRS"</span>
<a name="l00168"></a>00168 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPInvertRS(<span class="keywordtype">void</span> *dspcone){
<a name="l00169"></a>00169 DSDPFunctionBegin;
<a name="l00170"></a>00170 DSDPFunctionReturn(0);
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00175"></a>00175 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPComputeRStepLength"</span>
<a name="l00176"></a>00176 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPComputeRStepLength(<span class="keywordtype">void</span> *dspcone, <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> DY, <a class="code" href="dsdpbasictypes_8h.html#ae47666e7e5d77002110e20ef9ebb634b" title="DSDP requires two instances of the data structures S.">DSDPDualFactorMatrix</a> flag, <span class="keywordtype">double</span> *maxsteplength){
<a name="l00177"></a>00177 BDCone *K=(BDCone*)dspcone;
<a name="l00178"></a>00178 <span class="keywordtype">double</span> ds,ss,rt=1.0e30;
<a name="l00179"></a>00179 <span class="keywordtype">int</span> info;
<a name="l00180"></a>00180
<a name="l00181"></a>00181 DSDPFunctionBegin;
<a name="l00182"></a>00182 info=BComputeS(K,DY,&ds);DSDPCHKERR(info);
<a name="l00183"></a>00183 <span class="keywordflow">if</span> (flag==<a class="code" href="dsdpbasictypes_8h.html#ae47666e7e5d77002110e20ef9ebb634bab6fdf4f2eac3be74db4cdd12007f3cb0">DUAL_FACTOR</a>){ ss=K->dss; } <span class="keywordflow">else</span> { ss=K->pss;}
<a name="l00184"></a>00184 <span class="keywordflow">if</span> (ds<0) rt=-ss/ds;
<a name="l00185"></a>00185 <span class="keywordflow">if</span> (K->useit){
<a name="l00186"></a>00186 *maxsteplength=rt;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188 DSDPFunctionReturn(0);
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00192"></a>00192 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPSetX"</span>
<a name="l00193"></a>00193 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPSetX( <span class="keywordtype">void</span> *dspcone, <span class="keywordtype">double</span> mu, <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> y, <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> dy){
<a name="l00194"></a>00194 DSDPFunctionBegin;
<a name="l00195"></a>00195 DSDPFunctionReturn(0);
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00198"></a>00198 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPRX"</span>
<a name="l00199"></a>00199 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPRX( <span class="keywordtype">void</span> *dspcone, <span class="keywordtype">double</span> mu, <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> y, <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> dy, <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> AX,<span class="keywordtype">double</span>*tracxs){
<a name="l00200"></a>00200 BDCone *K=(BDCone*)dspcone;
<a name="l00201"></a>00201 <span class="keywordtype">double</span> x,dss,ss=K->dss;
<a name="l00202"></a>00202 <span class="keywordtype">int</span> info;
<a name="l00203"></a>00203 DSDPFunctionBegin;
<a name="l00204"></a>00204
<a name="l00205"></a>00205 info=BComputeS(K,y,&ss);DSDPCHKERR(info);
<a name="l00206"></a>00206 ss=1.0/ss;
<a name="l00207"></a>00207 info=BComputeS(K,dy,&dss);DSDPCHKERR(info);
<a name="l00208"></a>00208 x=mu*(ss+ss*dss*ss);
<a name="l00209"></a>00209 DSDPLogInfo(0,2,<span class="stringliteral">"DOBJCone SS: %4.4e, RESIDUAL X: %4.4e\n"</span>,1.0/ss,x);
<a name="l00210"></a>00210 <span class="keywordflow">if</span> (fabs(x*ss)>1.0 && mu < 1) printf(<span class="stringliteral">"Check Dual Min Bound\n"</span>);
<a name="l00211"></a>00211 info=DSDPVecAXPY(-x,K->bb,AX);DSDPCHKERR(info);
<a name="l00212"></a>00212 DSDPFunctionReturn(0);
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214
<a name="l00215"></a>00215 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00216"></a>00216 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPComputeRLog"</span>
<a name="l00217"></a>00217 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPComputeRLog(<span class="keywordtype">void</span> *dspcone, <span class="keywordtype">double</span> *logobj, <span class="keywordtype">double</span> *logdet){
<a name="l00218"></a>00218 BDCone *K=(BDCone*)dspcone;
<a name="l00219"></a>00219 DSDPFunctionBegin;
<a name="l00220"></a>00220 *logobj=0;
<a name="l00221"></a>00221 *logdet=log(K->dss);
<a name="l00222"></a>00222 DSDPFunctionReturn(0);
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00226"></a>00226 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPRANorm2"</span>
<a name="l00227"></a>00227 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPRANorm2(<span class="keywordtype">void</span> *dspcone, <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> Anorm2){
<a name="l00228"></a>00228 DSDPFunctionBegin;
<a name="l00229"></a>00229 DSDPFunctionReturn(0);
<a name="l00230"></a>00230 }
<a name="l00231"></a>00231
<a name="l00232"></a>00232
<a name="l00233"></a>00233 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00234"></a>00234 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPRMultiplyAdd"</span>
<a name="l00235"></a>00235 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPRMultiplyAdd(<span class="keywordtype">void</span> *dspcone,<span class="keywordtype">double</span> mu,<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> vrow,<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> vin,<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> vout){
<a name="l00236"></a>00236 BDCone *K=(BDCone*)dspcone;
<a name="l00237"></a>00237 <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> T=K->T;
<a name="l00238"></a>00238 <span class="keywordtype">int</span> info;
<a name="l00239"></a>00239 <span class="keywordtype">double</span> dd,ss=K->dss;
<a name="l00240"></a>00240 DSDPFunctionBegin;
<a name="l00241"></a>00241 info=DSDPVecDot(vin,K->bb,&dd);DSDPCHKERR(info);
<a name="l00242"></a>00242 dd=-mu*dd/(ss*ss);
<a name="l00243"></a>00243 info=DSDPVecPointwiseMult(K->bb,vrow,T);DSDPCHKERR(info);
<a name="l00244"></a>00244 info=DSDPVecAXPY(dd,T,vout);DSDPCHKERR(info);
<a name="l00245"></a>00245 DSDPFunctionReturn(0);
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247
<a name="l00248"></a>00248
<a name="l00249"></a>00249 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00250"></a>00250 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPRMonitor"</span>
<a name="l00251"></a>00251 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> DSDPRMonitor( <span class="keywordtype">void</span> *dspcone, <span class="keywordtype">int</span> tag){
<a name="l00252"></a>00252 DSDPFunctionBegin;
<a name="l00253"></a>00253 DSDPFunctionReturn(0);
<a name="l00254"></a>00254 }
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <span class="keyword">static</span> <span class="keyword">struct </span>DSDPCone_Ops kops;
<a name="l00257"></a>00257 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* matname=<span class="stringliteral">"Dual Obj Cone"</span>;
<a name="l00258"></a>00258
<a name="l00259"></a>00259 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00260"></a>00260 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "BConeOperationsInitialize"</span>
<a name="l00261"></a>00261 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> BConeOperationsInitialize(<span class="keyword">struct</span> DSDPCone_Ops* coneops){
<a name="l00262"></a>00262 <span class="keywordtype">int</span> info;
<a name="l00263"></a>00263 <span class="keywordflow">if</span> (coneops==NULL) <span class="keywordflow">return</span> 0;
<a name="l00264"></a>00264 info=<a class="code" href="dsdpcone_8c.html#ad1e12a500997ab2be6b7e24536017e95" title="Initialize the function pointers to 0.">DSDPConeOpsInitialize</a>(coneops); DSDPCHKERR(info);
<a name="l00265"></a>00265 coneops->conehessian=DSDPRHessian;
<a name="l00266"></a>00266 coneops->conesetup=DSDPSetupBCone;
<a name="l00267"></a>00267 coneops->conesetup2=DSDPSetupBCone2;
<a name="l00268"></a>00268 coneops->conedestroy=DSDPDestroyBCone;
<a name="l00269"></a>00269 coneops->conecomputes=DSDPComputeRS;
<a name="l00270"></a>00270 coneops->coneinverts=DSDPInvertRS;
<a name="l00271"></a>00271 coneops->conecomputex=DSDPRX;
<a name="l00272"></a>00272 coneops->conesetxmaker=DSDPSetX;
<a name="l00273"></a>00273 coneops->conemaxsteplength=DSDPComputeRStepLength;
<a name="l00274"></a>00274 coneops->conelogpotential=DSDPComputeRLog;
<a name="l00275"></a>00275 coneops->conesize=DSDPRSize;
<a name="l00276"></a>00276 coneops->conesparsity=DSDPRSparsity;
<a name="l00277"></a>00277 coneops->coneanorm2=DSDPRANorm2;
<a name="l00278"></a>00278 coneops->conemonitor=DSDPRMonitor;
<a name="l00279"></a>00279 coneops->conehmultiplyadd=DSDPRMultiplyAdd;
<a name="l00280"></a>00280 coneops->conerhs=DSDPRRHS;
<a name="l00281"></a>00281 coneops->id=119;
<a name="l00282"></a>00282 coneops->name=matname;
<a name="l00283"></a>00283 <span class="keywordflow">return</span> 0;
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285
<a name="l00286"></a>00286 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00287"></a>00287 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPAddBCone"</span>
<a name="l00288"></a>00288 <span class="preprocessor"></span><span class="keywordtype">int</span> DSDPAddBCone(<a class="code" href="structDSDP__C.html" title="Internal structures for the DSDP solver.">DSDP</a> dsdp, <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> bb, <span class="keywordtype">double</span> dmin){
<a name="l00289"></a>00289 BDCone *rcone;
<a name="l00290"></a>00290 <span class="keywordtype">int</span> info;
<a name="l00291"></a>00291 DSDPFunctionBegin;
<a name="l00292"></a>00292 info=BConeOperationsInitialize(&kops); DSDPCHKERR(info);
<a name="l00293"></a>00293 DSDPCALLOC1(&rcone,BDCone,&info); DSDPCHKERR(info);
<a name="l00294"></a>00294 rcone->b=bb;
<a name="l00295"></a>00295 rcone->dmin=dmin;
<a name="l00296"></a>00296 rcone->dsdp=dsdp;
<a name="l00297"></a>00297 rcone->useit=<a class="code" href="dsdpbasictypes_8h.html#ae667f2bff3ab5ab0bc109fa76dc4ed65ae6b2e53e51e94a5fa7204ceac78f824f">DSDP_TRUE</a>;
<a name="l00298"></a>00298 info=<a class="code" href="dsdpcone__impl_8h.html#ae305676af8ca6fb9340d129b392c0f4d" title="Apply DSDP to a conic structure.">DSDPAddCone</a>(dsdp,&kops,(<span class="keywordtype">void</span>*)rcone); DSDPCHKERR(info);
<a name="l00299"></a>00299 DSDPFunctionReturn(0);
<a name="l00300"></a>00300 }
<a name="l00301"></a>00301
<a name="l00302"></a>00302 <span class="preprocessor">#include "<a class="code" href="dsdp_8h.html" title="Internal data structure for the DSDP solver.">dsdp.h</a>"</span>
<a name="l00303"></a>00303 <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="l00304"></a>00304
<a name="l00305"></a>00305 <span class="preprocessor">#undef __FUNCT__</span>
<a name="l00306"></a>00306 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPSetDualLowerBound"</span>
<a name="l00307"></a>00307 <span class="preprocessor"></span><span class="keywordtype">int</span> DSDPSetDualLowerBound(<a class="code" href="structDSDP__C.html" title="Internal structures for the DSDP solver.">DSDP</a> dsdp, <span class="keywordtype">double</span> dobjmin){
<a name="l00308"></a>00308 <span class="keywordtype">int</span> info;
<a name="l00309"></a>00309 DSDPFunctionBegin;
<a name="l00310"></a>00310 info = DSDPAddBCone(dsdp,dsdp->b,dobjmin);DSDPCHKERR(info);
<a name="l00311"></a>00311 DSDPFunctionReturn(0);
<a name="l00312"></a>00312 }
</pre></div></div>
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