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<p>Solve the Schur matrix for a step direction.
<a href="#details">More...</a></p>
<p><a href="dsdpschurmat_8c_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#aa0f35c05985382f83c15658f38f07464">DSDPSchurMatAssemble</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> M)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Final assembly of M. <a href="#aa0f35c05985382f83c15658f38f07464"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#aa070672b861d36b1cc4fbc8b2950824c">DSDPSchurMatDestroy</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> *M)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Free the memory in the data structure. <a href="#aa070672b861d36b1cc4fbc8b2950824c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#ab3c5bcf162b2e5923c5428cb1764ed57">DSDPSchurMatFactor</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> M, <a class="el" href="dsdpbasictypes_8h.html#ae667f2bff3ab5ab0bc109fa76dc4ed65">DSDPTruth</a> *successful)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Factor M. <a href="#ab3c5bcf162b2e5923c5428cb1764ed57"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#a9af8b9c907f86d73e44a21de79daeef3">DSDPSchurMatInitialize</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> *M)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Initialize pointers to null. <a href="#a9af8b9c907f86d73e44a21de79daeef3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#a8d6a10df0c60e0c2721b93839bc0ded8">DSDPSchurMatInParallel</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> M, <a class="el" href="dsdpbasictypes_8h.html#ae667f2bff3ab5ab0bc109fa76dc4ed65">DSDPTruth</a> *flag)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Determine whether M is computed in parallel. <a href="#a8d6a10df0c60e0c2721b93839bc0ded8"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#a3ac77a7f5f31d116197d0dc07bef782f">DSDPSchurMatMultiply</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> M, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> x, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> y)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Multiply M by a vector. y = M x. <a href="#a3ac77a7f5f31d116197d0dc07bef782f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#adb7cfe252525b4f617fc276f2c665f6b">DSDPSchurMatOpsInitialize</a> (struct DSDPSchurMat_Ops *dops)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Initialize function pointers to 0. <a href="#adb7cfe252525b4f617fc276f2c665f6b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#a0b48fd50cf0b15fc018cfb5addbf132c">DSDPSchurMatReducePVec</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> M, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> x)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Collect elements of the vector. <a href="#a0b48fd50cf0b15fc018cfb5addbf132c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#ae26fbbe6ae18b7a1bae605540e94e7a1">DSDPSchurMatRowScaling</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> M, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> D)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Identify which rows on on this processor. <a href="#ae26fbbe6ae18b7a1bae605540e94e7a1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#ab3f83dfa4e65816b57c0a58ec4e8ba4c">DSDPSchurMatSetData</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> *M, struct DSDPSchurMat_Ops *ops, void *data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the Schur matrix with an opaque pointer and structure of function pointers. <a href="#ab3f83dfa4e65816b57c0a58ec4e8ba4c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#a50ec9f401f7a0b426e6cfca3b5eedaa5">DSDPSchurMatSetR</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> M, double rr)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set up the data structure. <a href="#a50ec9f401f7a0b426e6cfca3b5eedaa5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#a332298433d360d6b5a2b5d09ec2c4d52">DSDPSchurMatSetup</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> M, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> Y)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set up the data structure. <a href="#a332298433d360d6b5a2b5d09ec2c4d52"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#ae641b4fb6efcb0794593d1719a7c3845">DSDPSchurMatShiftDiagonal</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> M, double dd)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a scalar to each diagonal element of the matrix. <a href="#ae641b4fb6efcb0794593d1719a7c3845"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#a4d6f4dcdea100c12545aac3890eb0b9b">DSDPSchurMatSolve</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> M, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> b, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> x)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Solve the linear system. <a href="#a4d6f4dcdea100c12545aac3890eb0b9b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#ac2532ec3ba1a780409e4c22b599a4c4e">DSDPSchurMatView</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> M)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Print the matrix. <a href="#ac2532ec3ba1a780409e4c22b599a4c4e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#a5d7b6f5a9e43140f0a55eca37d897fb7">DSDPSchurMatZeroEntries</a> (<a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> M)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Zero all element in the matrix. <a href="#a5d7b6f5a9e43140f0a55eca37d897fb7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__DSDPSolver.html#ga4654614850ec5fc42e9350854f560fd1">DSDPSetFixedVariable</a> (<a class="el" href="structDSDP__C.html">DSDP</a> dsdp, int vari, double val)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Fix variable y to exact value. <a href="group__DSDPSolver.html#ga4654614850ec5fc42e9350854f560fd1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__DSDPSolver.html#gabaa520cba1ca164175fb45cff1b2d6e3">DSDPSetFixedVariables</a> (<a class="el" href="structDSDP__C.html">DSDP</a> dsdp, double vars[], double vals[], double xout[], int nvars)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Fix variable y to exact values. <a href="group__DSDPSolver.html#gabaa520cba1ca164175fb45cff1b2d6e3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="dsdpschurmat_8c.html#a5d1bb7af407a05ae65c63e9d40146644">DSDPSparsityInSchurMat</a> (<a class="el" href="structDSDP__C.html">DSDP</a> dsdp, int row, int rnnz[], int mm)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Identify nonzero elements in a row of the Schur complement. <a href="#a5d1bb7af407a05ae65c63e9d40146644"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Solve the Schur matrix for a step direction. </p>
<p>Definition in file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
</div><hr/><h2>Function Documentation</h2>
<a class="anchor" id="aa0f35c05985382f83c15658f38f07464"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatAssemble" ref="aa0f35c05985382f83c15658f38f07464" args="(DSDPSchurMat M)" -->
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<td class="memname">int DSDPSchurMatAssemble </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> </td>
<td class="paramname"><em>M</em></td><td>)</td>
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<p>Final assembly of M. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>matrix</td></tr>
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</dd>
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<p>Important in parallel implementation. </p>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00174">174</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dsdpcops_8c_source.html#l00142">DSDPComputeHessian()</a>.</p>
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<a class="anchor" id="aa070672b861d36b1cc4fbc8b2950824c"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatDestroy" ref="aa070672b861d36b1cc4fbc8b2950824c" args="(DSDPSchurMat *M)" -->
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<td class="memname">int DSDPSchurMatDestroy </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> * </td>
<td class="paramname"><em>M</em></td><td>)</td>
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<p>Free the memory in the data structure. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>matrix </td></tr>
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</dd>
</dl>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00414">414</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dsdpsetup_8c_source.html#l00428">DSDPTakeDown()</a>.</p>
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<a class="anchor" id="ab3c5bcf162b2e5923c5428cb1764ed57"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatFactor" ref="ab3c5bcf162b2e5923c5428cb1764ed57" args="(DSDPSchurMat M, DSDPTruth *successful)" -->
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<td class="memname">int DSDPSchurMatFactor </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> </td>
<td class="paramname"><em>M</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="dsdpbasictypes_8h.html#ae667f2bff3ab5ab0bc109fa76dc4ed65">DSDPTruth</a> * </td>
<td class="paramname"><em>successful</em> </td>
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<td>)</td>
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<p>Factor M. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>matrix </td></tr>
<tr><td class="paramname">successful</td><td>false if factorization failed. </td></tr>
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<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00196">196</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dualalg_8c_source.html#l00370">DSDPComputeDualStepDirections()</a>.</p>
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<a class="anchor" id="a9af8b9c907f86d73e44a21de79daeef3"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatInitialize" ref="a9af8b9c907f86d73e44a21de79daeef3" args="(DSDPSchurMat *M)" -->
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<td class="memname">int DSDPSchurMatInitialize </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> * </td>
<td class="paramname"><em>M</em></td><td>)</td>
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<p>Initialize pointers to null. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>Schur matrix object </td></tr>
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</dd>
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<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00079">79</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dsdpsetup_8c_source.html#l00030">DSDPCreate()</a>.</p>
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<a class="anchor" id="a8d6a10df0c60e0c2721b93839bc0ded8"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatInParallel" ref="a8d6a10df0c60e0c2721b93839bc0ded8" args="(DSDPSchurMat M, DSDPTruth *flag)" -->
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<td class="memname">int DSDPSchurMatInParallel </td>
<td>(</td>
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<td class="paramname"><em>M</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="dsdpbasictypes_8h.html#ae667f2bff3ab5ab0bc109fa76dc4ed65">DSDPTruth</a> * </td>
<td class="paramname"><em>flag</em> </td>
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<td>)</td>
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<p>Determine whether M is computed in parallel. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>matrix </td></tr>
<tr><td class="paramname">flag</td><td>true or false</td></tr>
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</dd>
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<p>Important in parallel implementation. </p>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00149">149</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dsdpschurmatadd_8c_source.html#l00235">DSDPSchurMatDiagonalScaling()</a>, <a class="el" href="dsdpschurmat_8c_source.html#l00307">DSDPSchurMatReducePVec()</a>, and <a class="el" href="dsdpschurmatadd_8c_source.html#l00120">DSDPSchurMatVariableCompute()</a>.</p>
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<a class="anchor" id="a3ac77a7f5f31d116197d0dc07bef782f"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatMultiply" ref="a3ac77a7f5f31d116197d0dc07bef782f" args="(DSDPSchurMat M, DSDPVec x, DSDPVec y)" -->
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<td class="memname">int DSDPSchurMatMultiply </td>
<td>(</td>
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<td class="paramname"><em>M</em>, </td>
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<td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td>
<td class="paramname"><em>x</em>, </td>
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<td></td>
<td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td>
<td class="paramname"><em>y</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Multiply M by a vector. y = M x. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>matrix </td></tr>
<tr><td class="paramname">x</td><td>in vector. </td></tr>
<tr><td class="paramname">y</td><td>product. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00231">231</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
</div>
</div>
<a class="anchor" id="adb7cfe252525b4f617fc276f2c665f6b"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatOpsInitialize" ref="adb7cfe252525b4f617fc276f2c665f6b" args="(struct DSDPSchurMat_Ops *dops)" -->
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<td class="memname">int DSDPSchurMatOpsInitialize </td>
<td>(</td>
<td class="paramtype">struct DSDPSchurMat_Ops * </td>
<td class="paramname"><em>dops</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Initialize function pointers to 0. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">dops</td><td>address of a structure of function pointers. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00044">44</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dsdpschurmat_8c_source.html#l00414">DSDPSchurMatDestroy()</a>, and <a class="el" href="dsdpschurmat_8c_source.html#l00079">DSDPSchurMatInitialize()</a>.</p>
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<a class="anchor" id="a0b48fd50cf0b15fc018cfb5addbf132c"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatReducePVec" ref="a0b48fd50cf0b15fc018cfb5addbf132c" args="(DSDPSchurMat M, DSDPVec x)" -->
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<td class="memname">int DSDPSchurMatReducePVec </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> </td>
<td class="paramname"><em>M</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td>
<td class="paramname"><em>x</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<div class="memdoc">
<p>Collect elements of the vector. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>matrix </td></tr>
<tr><td class="paramname">x</td><td>vector.</td></tr>
</table>
</dd>
</dl>
<p>Important in parallel implementation. Otherwise does nothing. </p>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00307">307</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dsdpcops_8c_source.html#l00215">DSDPComputeG()</a>, <a class="el" href="dsdpcops_8c_source.html#l00142">DSDPComputeHessian()</a>, and <a class="el" href="dsdpcops_8c_source.html#l00188">DSDPHessianMultiplyAdd()</a>.</p>
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</div>
<a class="anchor" id="ae26fbbe6ae18b7a1bae605540e94e7a1"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatRowScaling" ref="ae26fbbe6ae18b7a1bae605540e94e7a1" args="(DSDPSchurMat M, DSDPVec D)" -->
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<td class="memname">int DSDPSchurMatRowScaling </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> </td>
<td class="paramname"><em>M</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td>
<td class="paramname"><em>D</em> </td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<div class="memdoc">
<p>Identify which rows on on this processor. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>matrix </td></tr>
<tr><td class="paramname">D</td><td>Variables marked with 0 or 1. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00399">399</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dsdpcops_8c_source.html#l00215">DSDPComputeG()</a>, and <a class="el" href="dsdpcops_8c_source.html#l00188">DSDPHessianMultiplyAdd()</a>.</p>
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<a class="anchor" id="ab3f83dfa4e65816b57c0a58ec4e8ba4c"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatSetData" ref="ab3f83dfa4e65816b57c0a58ec4e8ba4c" args="(DSDPSchurMat *M, struct DSDPSchurMat_Ops *ops, void *data)" -->
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<td class="memname">int DSDPSchurMatSetData </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> * </td>
<td class="paramname"><em>M</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct DSDPSchurMat_Ops * </td>
<td class="paramname"><em>ops</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>data</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Set the Schur matrix with an opaque pointer and structure of function pointers. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>Schur matrix object </td></tr>
<tr><td class="paramname">ops</td><td>address of a structure of function pointers. </td></tr>
<tr><td class="paramname">data</td><td>opaque pointer to its internal data structure. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00028">28</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dsdpschurmat_8c_source.html#l00414">DSDPSchurMatDestroy()</a>, <a class="el" href="dsdpschurmat_8c_source.html#l00079">DSDPSchurMatInitialize()</a>, and <a class="el" href="dsdpcops_8c_source.html#l00602">DSDPSetSchurMatOps()</a>.</p>
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</div>
<a class="anchor" id="a50ec9f401f7a0b426e6cfca3b5eedaa5"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatSetR" ref="a50ec9f401f7a0b426e6cfca3b5eedaa5" args="(DSDPSchurMat M, double rr)" -->
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<td class="memname">int DSDPSchurMatSetR </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> </td>
<td class="paramname"><em>M</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"><em>rr</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Set up the data structure. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>matrix </td></tr>
<tr><td class="paramname">rr</td><td>residual </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00338">338</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dsdpcops_8c_source.html#l00215">DSDPComputeG()</a>, <a class="el" href="dsdpcops_8c_source.html#l00142">DSDPComputeHessian()</a>, and <a class="el" href="dualimpl_8c_source.html#l00125">DSDPComputeNewY()</a>.</p>
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<a class="anchor" id="a332298433d360d6b5a2b5d09ec2c4d52"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatSetup" ref="a332298433d360d6b5a2b5d09ec2c4d52" args="(DSDPSchurMat M, DSDPVec Y)" -->
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<td class="memname">int DSDPSchurMatSetup </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> </td>
<td class="paramname"><em>M</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td>
<td class="paramname"><em>Y</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<div class="memdoc">
<p>Set up the data structure. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>matrix </td></tr>
<tr><td class="paramname">Y</td><td>variable vector. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00352">352</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dsdpsetup_8c_source.html#l00193">DSDPSetup()</a>.</p>
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</div>
<a class="anchor" id="ae641b4fb6efcb0794593d1719a7c3845"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatShiftDiagonal" ref="ae641b4fb6efcb0794593d1719a7c3845" args="(DSDPSchurMat M, double dd)" -->
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<td class="memname">int DSDPSchurMatShiftDiagonal </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> </td>
<td class="paramname"><em>M</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"><em>dd</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<div class="memdoc">
<p>Add a scalar to each diagonal element of the matrix. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>matrix </td></tr>
<tr><td class="paramname">dd</td><td>diagonal shift </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00120">120</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dualalg_8c_source.html#l00370">DSDPComputeDualStepDirections()</a>.</p>
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<a class="anchor" id="a4d6f4dcdea100c12545aac3890eb0b9b"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatSolve" ref="a4d6f4dcdea100c12545aac3890eb0b9b" args="(DSDPSchurMat M, DSDPVec b, DSDPVec x)" -->
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<td class="memname">int DSDPSchurMatSolve </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> </td>
<td class="paramname"><em>M</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td>
<td class="paramname"><em>b</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td>
<td class="paramname"><em>x</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Solve the linear system. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>matrix </td></tr>
<tr><td class="paramname">b</td><td>the right-hand side </td></tr>
<tr><td class="paramname">x</td><td>solution </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00466">466</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dsdpcg_8c_source.html#l00239">DSDPCGSolve()</a>.</p>
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<a class="anchor" id="ac2532ec3ba1a780409e4c22b599a4c4e"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatView" ref="ac2532ec3ba1a780409e4c22b599a4c4e" args="(DSDPSchurMat M)" -->
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<td class="memname">int DSDPSchurMatView </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> </td>
<td class="paramname"><em>M</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Print the matrix. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>matrix </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00376">376</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dualalg_8c_source.html#l00370">DSDPComputeDualStepDirections()</a>.</p>
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<a class="anchor" id="a5d7b6f5a9e43140f0a55eca37d897fb7"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSchurMatZeroEntries" ref="a5d7b6f5a9e43140f0a55eca37d897fb7" args="(DSDPSchurMat M)" -->
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<td class="memname">int DSDPSchurMatZeroEntries </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> </td>
<td class="paramname"><em>M</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Zero all element in the matrix. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">M</td><td>matrix </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00097">97</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
<p>Referenced by <a class="el" href="dsdpcops_8c_source.html#l00142">DSDPComputeHessian()</a>.</p>
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<a class="anchor" id="a5d1bb7af407a05ae65c63e9d40146644"></a><!-- doxytag: member="dsdpschurmat.c::DSDPSparsityInSchurMat" ref="a5d1bb7af407a05ae65c63e9d40146644" args="(DSDP dsdp, int row, int rnnz[], int mm)" -->
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<td class="memname">int DSDPSparsityInSchurMat </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structDSDP__C.html">DSDP</a> </td>
<td class="paramname"><em>dsdp</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>row</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>rnnz</em>[], </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>mm</em> </td>
</tr>
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<td></td>
<td>)</td>
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<p>Identify nonzero elements in a row of the Schur complement. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">dsdp</td><td>solver </td></tr>
<tr><td class="paramname">row</td><td>corresponding to variable y. </td></tr>
<tr><td class="paramname">rnnz</td><td>array to be marked nonzero if nonzero. </td></tr>
<tr><td class="paramname">mm</td><td>dimension of M matrix </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="dsdpschurmat_8c_source.html#l00649">649</a> of file <a class="el" href="dsdpschurmat_8c_source.html">dsdpschurmat.c</a>.</p>
</div>
</div>
</div>
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<a href="http://www.doxygen.org/index.html">
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