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<A NAME="MAT_SOLVER_DSCPACK"><H1>MAT_SOLVER_DSCPACK</H1></A>
"dscpack" - Provides direct solvers (Cholesky) for sequential  or distributed matrices via the external package DSCPACK. 
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<H3><FONT COLOR="#CC3333">Options Database Keys</FONT></H3>
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<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-mat_dscpack_order &lt;1,2,3&gt; </B></TD><TD>- DSCPACK ordering, 1:ND, 2:Hybrid with Minimum Degree, 3:Hybrid with Minimum Deficiency
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<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-mat_dscpack_scheme &lt;1,2&gt; </B></TD><TD>- factorization scheme, 1:standard factorization,  2: factorization with selective inversion
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<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-mat_dscpack_factor &lt;LLT,LDLT&gt; </B></TD><TD>- the type of factorization to be performed.
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<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-mat_dscpack_MaxMemAllowed &lt;n&gt; </B></TD><TD>- the maximum memory to be used during factorization
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<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-mat_dscpack_stats &lt;0,1&gt; </B></TD><TD>- display stats of the factorization and solves during <A HREF="../Mat/MatDestroy.html#MatDestroy">MatDestroy</A>(), 0: no display,  1: display
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<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-mat_dscpack_LBLAS &lt;LBLAS1,LBLAS2,LBLAS3&gt; </B></TD><TD>- BLAS level used in the local phase
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<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-mat_dscpack_DBLAS &lt;DBLAS1,DBLAS2&gt; </B></TD><TD>- BLAS level used in the distributed phase
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<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
 <A HREF="../PC/PCCHOLESKY.html#PCCHOLESKY">PCCHOLESKY</A>, <A HREF="../PC/PCFactorSetMatSolverPackage.html#PCFactorSetMatSolverPackage">PCFactorSetMatSolverPackage</A>(), <A HREF="../Mat/MatSolverPackage.html#MatSolverPackage">MatSolverPackage</A>
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<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>beginner
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/mat/impls/baij/mpi/dscpack/dscpack.c.html#MAT_SOLVER_DSCPACK">src/mat/impls/baij/mpi/dscpack/dscpack.c</A>
<BR><A HREF="./index.html">Index of all Mat routines</A>
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