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<div class="title">onemat.c</div> </div>
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<a href="onemat_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="dsdpdatamat__impl_8h.html" title="Structure of function pointers that each SDP data matrix type (sparse, dense, constant, identity, ...) must implement.">dsdpdatamat_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 <span class="keywordtype">double</span> cnst;
<a name="l00010"></a>00010 <span class="keywordtype">char</span> UPLQ;
<a name="l00011"></a>00011 <span class="keywordtype">int</span> n;
<a name="l00012"></a>00012 } cmat;
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatDestroy(<span class="keywordtype">void</span>*);
<a name="l00015"></a>00015 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatView(<span class="keywordtype">void</span>*);
<a name="l00016"></a>00016 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatVecVec(<span class="keywordtype">void</span>*, <span class="keywordtype">double</span>[], <span class="keywordtype">int</span>, <span class="keywordtype">double</span> *);
<a name="l00017"></a>00017 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatDot(<span class="keywordtype">void</span>*, <span class="keywordtype">double</span>[],<span class="keywordtype">int</span>,<span class="keywordtype">int</span>,<span class="keywordtype">double</span> *);
<a name="l00018"></a>00018 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatGetRank(<span class="keywordtype">void</span>*, <span class="keywordtype">int</span>*, <span class="keywordtype">int</span>);
<a name="l00019"></a>00019 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatFactor(<span class="keywordtype">void</span>*);
<a name="l00020"></a>00020 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatGetEig(<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>,<span class="keywordtype">int</span>[],<span class="keywordtype">int</span>*);
<a name="l00021"></a>00021 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatRowNnz(<span class="keywordtype">void</span>*, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>[], <span class="keywordtype">int</span>*, <span class="keywordtype">int</span>);
<a name="l00022"></a>00022 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatAddRowMultiple(<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="l00023"></a>00023 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatAddMultiple(<span class="keywordtype">void</span>*, <span class="keywordtype">double</span>, <span class="keywordtype">double</span>[], <span class="keywordtype">int</span>,<span class="keywordtype">int</span>);
<a name="l00024"></a>00024 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatTest(<span class="keywordtype">void</span>*);
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structDSDPDataMat__Ops.html" title="Table of function pointers that operate on the data matrix.">DSDPDataMat_Ops</a> constantmatops;
<a name="l00027"></a>00027 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatOpsInitialize(<span class="keyword">struct</span> <a class="code" href="structDSDPDataMat__Ops.html" title="Table of function pointers that operate on the data matrix.">DSDPDataMat_Ops</a>*);
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#undef __FUNCT__ </span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#define __FUNCT__ "DSDPGetConstantMat"</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="keywordtype">int</span> DSDPGetConstantMat(<span class="keywordtype">int</span> n, <span class="keywordtype">double</span> value, <span class="keywordtype">char</span> UPLQ, <span class="keyword">struct</span> <a class="code" href="structDSDPDataMat__Ops.html" title="Table of function pointers that operate on the data matrix.">DSDPDataMat_Ops</a>**mops, <span class="keywordtype">void</span>**mmat){
<a name="l00032"></a>00032 <span class="keywordtype">int</span> info;
<a name="l00033"></a>00033 cmat*AA;
<a name="l00034"></a>00034 DSDPFunctionBegin;
<a name="l00035"></a>00035 AA=(cmat*) malloc(1*<span class="keyword">sizeof</span>(cmat));
<a name="l00036"></a>00036 <span class="keywordflow">if</span> (AA==NULL) <span class="keywordflow">return</span> 1;
<a name="l00037"></a>00037 AA->cnst=value;
<a name="l00038"></a>00038 AA->n=n;
<a name="l00039"></a>00039 AA->UPLQ=UPLQ;
<a name="l00040"></a>00040 info=ConstMatOpsInitialize(&constantmatops); <span class="keywordflow">if</span>(info){<span class="keywordflow">return</span> 1;}
<a name="l00041"></a>00041 <span class="keywordflow">if</span> (mops){*mops=&constantmatops;}
<a name="l00042"></a>00042 <span class="keywordflow">if</span> (mmat){*mmat=(<span class="keywordtype">void</span>*)AA;}
<a name="l00043"></a>00043 DSDPFunctionReturn(0);
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatDot(<span class="keywordtype">void</span>* A, <span class="keywordtype">double</span> x[], <span class="keywordtype">int</span> nn, <span class="keywordtype">int</span> n, <span class="keywordtype">double</span> *v){
<a name="l00048"></a>00048
<a name="l00049"></a>00049 cmat* AA = (cmat*)A;
<a name="l00050"></a>00050 <span class="keywordtype">double</span> dtmp=0.0;
<a name="l00051"></a>00051 <span class="keywordtype">int</span> i,j;
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keywordflow">for</span> (i=0;i<n;i++){
<a name="l00054"></a>00054 <span class="keywordflow">for</span> (j=0;j<=i;j++){
<a name="l00055"></a>00055 dtmp+= (x[j]);
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057 <span class="keywordflow">if</span> (AA->UPLQ==<span class="charliteral">'U'</span>){
<a name="l00058"></a>00058 x=x+n;
<a name="l00059"></a>00059 } <span class="keywordflow">else</span> {
<a name="l00060"></a>00060 x=x+i+1;
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063
<a name="l00064"></a>00064 *v=2*dtmp*AA->cnst;
<a name="l00065"></a>00065 <span class="keywordflow">return</span> 0;
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatVecVec(<span class="keywordtype">void</span>* A, <span class="keywordtype">double</span> x[], <span class="keywordtype">int</span> n, <span class="keywordtype">double</span> *v){
<a name="l00069"></a>00069
<a name="l00070"></a>00070 cmat* AA = (cmat*)A;
<a name="l00071"></a>00071 <span class="keywordtype">double</span> dtmp=0.0;
<a name="l00072"></a>00072 <span class="keywordtype">int</span> i;
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keywordflow">for</span> (i=0; i<n; i++){
<a name="l00075"></a>00075 dtmp+=x[i];
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077 *v=dtmp*dtmp*AA->cnst;
<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> ConstMatAddMultiple(<span class="keywordtype">void</span>*A, <span class="keywordtype">double</span> dd, <span class="keywordtype">double</span> vv[], <span class="keywordtype">int</span> nn, <span class="keywordtype">int</span> n){
<a name="l00082"></a>00082 cmat* AA = (cmat*)A;
<a name="l00083"></a>00083 <span class="keywordtype">int</span> i,j;
<a name="l00084"></a>00084 <span class="keywordtype">double</span> ddd=dd*AA->cnst;
<a name="l00085"></a>00085 <span class="keywordflow">for</span> (i=0;i<n;i++){
<a name="l00086"></a>00086 <span class="keywordflow">for</span> (j=0;j<i;j++){
<a name="l00087"></a>00087 (vv[j])+=ddd;
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 vv[i]+=ddd;
<a name="l00090"></a>00090 <span class="keywordflow">if</span> (AA->UPLQ==<span class="charliteral">'U'</span>){
<a name="l00091"></a>00091 vv=vv+n;
<a name="l00092"></a>00092 } <span class="keywordflow">else</span> {
<a name="l00093"></a>00093 vv=vv+i+1;
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 <span class="keywordflow">return</span> 0;
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatAddRowMultiple(<span class="keywordtype">void</span>*A, <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="l00100"></a>00100 cmat* AA = (cmat*)A;
<a name="l00101"></a>00101 <span class="keywordtype">int</span> i;
<a name="l00102"></a>00102 <span class="keywordtype">double</span> ddd=dd*AA->cnst;
<a name="l00103"></a>00103 <span class="keywordflow">for</span> (i=0;i<n;i++){
<a name="l00104"></a>00104 row[i] += ddd;
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106 row[nrow] -= ddd;
<a name="l00107"></a>00107 <span class="keywordflow">return</span> 0;
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
<a name="l00110"></a>00110
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatFactor(<span class="keywordtype">void</span>*A){
<a name="l00113"></a>00113 <span class="keywordflow">return</span> 0;
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatGetRank(<span class="keywordtype">void</span> *A, <span class="keywordtype">int</span>*rank, <span class="keywordtype">int</span> n){
<a name="l00117"></a>00117 *rank=1;
<a name="l00118"></a>00118 <span class="keywordflow">return</span> 0;
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatGetEig(<span class="keywordtype">void</span>*A, <span class="keywordtype">int</span> neig, <span class="keywordtype">double</span> *eig, <span class="keywordtype">double</span> v[], <span class="keywordtype">int</span> n, <span class="keywordtype">int</span> indx[], <span class="keywordtype">int</span>*nind){
<a name="l00122"></a>00122 cmat* AA = (cmat*)A;
<a name="l00123"></a>00123 <span class="keywordtype">int</span> i;
<a name="l00124"></a>00124 <span class="keywordflow">if</span> (neig!=0) <span class="keywordflow">return</span> 1;
<a name="l00125"></a>00125 <span class="keywordflow">if</span> (neig==0){
<a name="l00126"></a>00126 <span class="keywordflow">for</span> (i=0;i<n;i++){ v[i]=1.0; indx[i]=i;}
<a name="l00127"></a>00127 *eig=AA->cnst; *nind=n;
<a name="l00128"></a>00128 } <span class="keywordflow">else</span> { <span class="comment">/* Or return an error */</span>
<a name="l00129"></a>00129 <span class="keywordflow">for</span> (i=0;i<n;i++){ v[i]=0.0; }
<a name="l00130"></a>00130 *eig=0; *nind=0;
<a name="l00131"></a>00131 }
<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
<a name="l00136"></a>00136 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatRowNnz(<span class="keywordtype">void</span>*A, <span class="keywordtype">int</span> row, <span class="keywordtype">int</span> nz[], <span class="keywordtype">int</span> *nnz, <span class="keywordtype">int</span> n){
<a name="l00137"></a>00137 <span class="keywordtype">int</span> i;
<a name="l00138"></a>00138 <span class="keywordflow">for</span> (i=0;i<n;i++){ nz[i]++; }
<a name="l00139"></a>00139 *nnz=n;
<a name="l00140"></a>00140 <span class="keywordflow">return</span> 0;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatFNorm2(<span class="keywordtype">void</span>*AA, <span class="keywordtype">int</span> n, <span class="keywordtype">double</span> *fnorm2){
<a name="l00144"></a>00144 cmat* A = (cmat*)AA;
<a name="l00145"></a>00145 *fnorm2=A->cnst*A->cnst*n*n;
<a name="l00146"></a>00146 <span class="keywordflow">return</span> 0;
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatCountNonzeros(<span class="keywordtype">void</span>*A, <span class="keywordtype">int</span> *nnz, <span class="keywordtype">int</span> n){
<a name="l00150"></a>00150 *nnz=n*n;
<a name="l00151"></a>00151 *nnz=1;
<a name="l00152"></a>00152 *nnz=n;
<a name="l00153"></a>00153 <span class="keywordflow">return</span> 0;
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatView(<span class="keywordtype">void</span>* AA){
<a name="l00158"></a>00158 cmat* A = (cmat*)AA;
<a name="l00159"></a>00159 printf(<span class="stringliteral">"Every element of the matrix is the same: %10.8e\n"</span>,A->cnst);
<a name="l00160"></a>00160 <span class="keywordflow">return</span> 0;
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatTest(<span class="keywordtype">void</span>* AA){
<a name="l00164"></a>00164 <span class="keywordflow">return</span> 0;
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatDestroy(<span class="keywordtype">void</span>* A){
<a name="l00169"></a>00169 <span class="keywordflow">if</span> (A) free(A);
<a name="l00170"></a>00170 <span class="keywordflow">return</span> 0;
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *datamatname=<span class="stringliteral">"ALL ELEMENTS THE SAME"</span>;
<a name="l00174"></a>00174 <span class="keyword">static</span> <span class="keywordtype">int</span> ConstMatOpsInitialize(<span class="keyword">struct</span> <a class="code" href="structDSDPDataMat__Ops.html" title="Table of function pointers that operate on the data matrix.">DSDPDataMat_Ops</a>* cmatops){
<a name="l00175"></a>00175 <span class="keywordtype">int</span> info;
<a name="l00176"></a>00176 <span class="keywordflow">if</span> (cmatops==NULL) <span class="keywordflow">return</span> 0;
<a name="l00177"></a>00177 info=<a class="code" href="dsdpdatamat_8c.html#a5d7a246134aa5186463e0f1f0fd561bd" title="Initialize the table of function pointers for SDP Data matrices.">DSDPDataMatOpsInitialize</a>(cmatops); DSDPCHKERR(info);
<a name="l00178"></a>00178 cmatops->matfactor1=ConstMatFactor;
<a name="l00179"></a>00179 cmatops->matgetrank=ConstMatGetRank;
<a name="l00180"></a>00180 cmatops->matgeteig=ConstMatGetEig;
<a name="l00181"></a>00181 cmatops->matvecvec=ConstMatVecVec;
<a name="l00182"></a>00182 cmatops->matdot=ConstMatDot;
<a name="l00183"></a>00183 cmatops->mataddrowmultiple=ConstMatAddRowMultiple;
<a name="l00184"></a>00184 cmatops->mataddallmultiple=ConstMatAddMultiple;
<a name="l00185"></a>00185 cmatops->matdestroy=ConstMatDestroy;
<a name="l00186"></a>00186 cmatops->mattest=ConstMatTest;
<a name="l00187"></a>00187 cmatops->matview=ConstMatView;
<a name="l00188"></a>00188 cmatops->matrownz=ConstMatRowNnz;
<a name="l00189"></a>00189 cmatops->matfnorm2=ConstMatFNorm2;
<a name="l00190"></a>00190 cmatops->matnnz=ConstMatCountNonzeros;
<a name="l00191"></a>00191 cmatops->id=14;
<a name="l00192"></a>00192 cmatops->matname=datamatname;
<a name="l00193"></a>00193 <span class="keywordflow">return</span> 0;
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195
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