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<div class="title">dsdplanczos.h</div> </div>
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<a href="dsdplanczos_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef __TAO_DSDPSTEP_H</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define __TAO_DSDPSTEP_H</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="sdpconevec_8h.html" title="Each block of the SDPCone has two vectors of appropriate size.">sdpconevec.h</a>"</span>
<a name="l00013"></a><a class="code" href="structDSDPLanczosStepLength.html">00013</a> <span class="keyword">typedef</span> <span class="keyword">struct </span>{
<a name="l00014"></a>00014 <span class="keywordtype">int</span> lanczosm;
<a name="l00015"></a>00015 <span class="keywordtype">int</span> maxlanczosm;
<a name="l00016"></a>00016 <span class="keywordtype">double</span> *darray; <span class="comment">/* For SLOW BUT ROBUST METHOD ONLY */</span>
<a name="l00017"></a>00017 <a class="code" href="structSDPConeVec__C.html" title="Vector whose length corresponds to dimension of a block in a cone.">SDPConeVec</a> *Q; <span class="comment">/* Size 2 for FAST, Size lanczosm for SLOW */</span>
<a name="l00018"></a>00018 <a class="code" href="structSDPConeVec__C.html" title="Vector whose length corresponds to dimension of a block in a cone.">SDPConeVec</a> Tv; <span class="comment">/* For SLOW BUT ROBUST METHOD ONLY */</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="keywordtype">double</span> *dwork4n;
<a name="l00021"></a>00021 <span class="keywordtype">int</span> *iwork10n;
<a name="l00022"></a>00022 <span class="keywordtype">int</span> lwork,liwork;
<a name="l00023"></a>00023 <span class="keywordtype">int</span> n;
<a name="l00024"></a>00024 <span class="keywordtype">int</span> type;
<a name="l00025"></a>00025 } <a class="code" href="structDSDPLanczosStepLength.html" title="Apply Lanczos prodedure to find distance to boundary.">DSDPLanczosStepLength</a>;
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00029"></a>00029 <span class="preprocessor">#endif</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="dsdplanczos_8h.html#a5f6b8919f166ba6149cf12e71b8d3bca" title="Initialize Lanczos structure.">DSDPLanczosInitialize</a>(<a class="code" href="structDSDPLanczosStepLength.html" title="Apply Lanczos prodedure to find distance to boundary.">DSDPLanczosStepLength</a>*);
<a name="l00031"></a>00031 <span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="dsdplanczos_8h.html#a94aaca7c5feb571597a089bc7302a021" title="Set parameter.">DSDPSetMaximumLanczosIterations</a>( <a class="code" href="structDSDPLanczosStepLength.html" title="Apply Lanczos prodedure to find distance to boundary.">DSDPLanczosStepLength</a> *LZ, <span class="keywordtype">int</span>);
<a name="l00032"></a>00032 <span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="dsdplanczos_8h.html#a0db98a9eb4ae08a45498bf56de769636" title="Use Lanczos procedure. Assume off tridiagonal entries are zero.">DSDPFastLanczosSetup</a>(<a class="code" href="structDSDPLanczosStepLength.html" title="Apply Lanczos prodedure to find distance to boundary.">DSDPLanczosStepLength</a>*,<a class="code" href="structSDPConeVec__C.html" title="Vector whose length corresponds to dimension of a block in a cone.">SDPConeVec</a>);
<a name="l00033"></a>00033 <span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="dsdplanczos_8h.html#af016e5b9270f774d081faff7296f0259" title="Use slowerer but more robust method.">DSDPRobustLanczosSetup</a>(<a class="code" href="structDSDPLanczosStepLength.html" title="Apply Lanczos prodedure to find distance to boundary.">DSDPLanczosStepLength</a>*,<a class="code" href="structSDPConeVec__C.html" title="Vector whose length corresponds to dimension of a block in a cone.">SDPConeVec</a>);
<a name="l00034"></a>00034 <span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="dsdplanczos_8h.html#a9f710224114c584d949d0fe7b4e4529a" title="Compute distance to boundary.">DSDPLanczosStepSize</a>( <a class="code" href="structDSDPLanczosStepLength.html" title="Apply Lanczos prodedure to find distance to boundary.">DSDPLanczosStepLength</a>*, <a class="code" href="structSDPConeVec__C.html" title="Vector whose length corresponds to dimension of a block in a cone.">SDPConeVec</a>, <a class="code" href="structSDPConeVec__C.html" title="Vector whose length corresponds to dimension of a block in a cone.">SDPConeVec</a>, <a class="code" href="structDSDPDualMat__C.html" title="Represents an S matrix for one block in the semidefinite cone.">DSDPDualMat</a>, <a class="code" href="structDSDPDSMat__C.html" title="Symmetric Delta S matrix for one block in the semidefinite cone.">DSDPDSMat</a>, <span class="keywordtype">double</span> *);
<a name="l00035"></a>00035 <span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="dsdplanczos_8h.html#a13450b87544302fa3e6ceda031189a7a" title="Free data structure.">DSDPLanczosDestroy</a>( <a class="code" href="structDSDPLanczosStepLength.html" title="Apply Lanczos prodedure to find distance to boundary.">DSDPLanczosStepLength</a>*);
<a name="l00036"></a>00036 <span class="keyword">extern</span> <span class="keywordtype">int</span> DSDPLanczosMinXEig( <a class="code" href="structDSDPLanczosStepLength.html" title="Apply Lanczos prodedure to find distance to boundary.">DSDPLanczosStepLength</a>*, <a class="code" href="structDSDPVMat__C.html" title="Dense symmetric matrix for one block in the semidefinite cone.">DSDPVMat</a>, <a class="code" href="structSDPConeVec__C.html" title="Vector whose length corresponds to dimension of a block in a cone.">SDPConeVec</a>, <a class="code" href="structSDPConeVec__C.html" title="Vector whose length corresponds to dimension of a block in a cone.">SDPConeVec</a>, <span class="keywordtype">double</span> *);
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>}
<a name="l00040"></a>00040 <span class="preprocessor">#endif</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span>
<a name="l00042"></a>00042 <span class="preprocessor">#endif</span>
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