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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/PCMGGetGalerkin.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PCMGGetGalerkin"><H1>PCMGGetGalerkin</H1></A>
Checks if Galerkin multigrid is being used, i.e. A_i-1 = r_i * A_i * p_i
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscksp.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../PC/PCMGGetGalerkin.html#PCMGGetGalerkin">PCMGGetGalerkin</A>(<A HREF="../PC/PC.html#PC">PC</A> pc,PCMGGalerkinType *galerkin)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</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 multigrid context
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>galerkin </B></TD><TD>- one of <A HREF="../PC/PCMGalerkinType.html#PCMGalerkinType">PC_MG_GALERKIN_BOTH</A>,<A HREF="../PC/PCMGalerkinType.html#PCMGalerkinType">PC_MG_GALERKIN_PMAT</A>,<A HREF="../PC/PCMGalerkinType.html#PCMGalerkinType">PC_MG_GALERKIN_MAT</A>, <A HREF="../PC/PCMGalerkinType.html#PCMGalerkinType">PC_MG_GALERKIN_NONE</A>, or <A HREF="../PC/PCMGalerkinType.html#PCMGalerkinType">PC_MG_GALERKIN_EXTERNAL</A>
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../PC/PCMGSetGalerkin.html#PCMGSetGalerkin">PCMGSetGalerkin</A>(), PCMGGalerkinType
<BR>
<P>
<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/mg/mg.c.html#PCMGGetGalerkin">src/ksp/pc/impls/mg/mg.c</A>
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