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<TITLE>PCFactorSetMatSolverType</TITLE>
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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.14.5 v3.14.5 docs/manualpages/PC/PCFactorSetMatSolverType.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PCFactorSetMatSolverType"><H1>PCFactorSetMatSolverType</H1></A>
sets the software that is used to perform the factorization
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscpc.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../PC/PCFactorSetMatSolverType.html#PCFactorSetMatSolverType">PCFactorSetMatSolverType</A>(<A HREF="../PC/PC.html#PC">PC</A> pc,<A HREF="../Mat/MatSolverType.html#MatSolverType">MatSolverType</A> stype)
</PRE>
Logically Collective on <A HREF="../PC/PC.html#PC">PC</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>pc </B></TD><TD>- the preconditioner context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>stype </B></TD><TD>- for example, superlu, superlu_dist
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Options Database Key</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-pc_factor_mat_solver_type <stype> </B></TD><TD>- petsc, superlu, superlu_dist, mumps, cusparse
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Note</FONT></H3>
By default this will use the PETSc factorization if it exists
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Mat/MatGetFactor.html#MatGetFactor">MatGetFactor</A>(), <A HREF="../Mat/MatSolverType.html#MatSolverType">MatSolverType</A>, <A HREF="../PC/PCFactorGetMatSolverType.html#PCFactorGetMatSolverType">PCFactorGetMatSolverType</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/ksp/pc/impls/factor/factor.c.html#PCFactorSetMatSolverType">src/ksp/pc/impls/factor/factor.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/ksp/ksp/tutorials/ex52.c.html">src/ksp/ksp/tutorials/ex52.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/tutorials/ex53.c.html">src/ksp/ksp/tutorials/ex53.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/tutorials/ex52f.F90.html">src/ksp/ksp/tutorials/ex52f.F90.html</A><BR>
<A HREF="../../../src/tao/constrained/tutorials/maros.c.html">src/tao/constrained/tutorials/maros.c.html</A><BR>
<A HREF="../../../src/tao/constrained/tutorials/toy.c.html">src/tao/constrained/tutorials/toy.c.html</A><BR>
<A HREF="../../../src/tao/constrained/tutorials/ex1.c.html">src/tao/constrained/tutorials/ex1.c.html</A><BR>
<A HREF="../../../src/tao/constrained/tutorials/toyf.F90.html">src/tao/constrained/tutorials/toyf.F90.html</A><BR>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/ksp/pc/impls/factor/factimpl.c.html#PCFactorSetMatSolverType_Factor">PCFactorSetMatSolverType_Factor in src/ksp/pc/impls/factor/factimpl.c</A><BR>
<BR><A HREF="./index.html">Index of all PC routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
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