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<div id="version" align=right><b>petsc-3.10.3 2018-12-18</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-3.10.3 v3.10.3 docs/manualpages/DMFOREST/DMForestSetBaseDM.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMForestSetBaseDM"><H1>DMForestSetBaseDM</H1></A>
During the pre-setup phase, set the <A HREF="../DM/DM.html#DM">DM</A> that defines the base mesh of a DMForest forest. The forest will be hierarchically refined from the base, and all refinements/coarsenings of the forest will share its base. In general, two forest must share a base to be comparable, to do things like construct interpolators.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmforest.h"
#include "petscdm.h"
#include "petscdmlabel.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DMFOREST/DMForestSetBaseDM.html#DMForestSetBaseDM">DMForestSetBaseDM</A>(<A HREF="../DM/DM.html#DM">DM</A> dm, <A HREF="../DM/DM.html#DM">DM</A> base)
</PRE>
Logically collective on dm
<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>dm </B></TD><TD>- the forest
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>base </B></TD><TD>- the base <A HREF="../DM/DM.html#DM">DM</A> of the forest
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
Currently the base <A HREF="../DM/DM.html#DM">DM</A> must be a <A HREF="../DMPLEX/DMPLEX.html#DMPLEX">DMPLEX</A>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
): <A HREF="../DMFOREST/DMForestGetBaseDM.html#DMForestGetBaseDM">DMForestGetBaseDM</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/dm/impls/forest/forest.c.html#DMForestSetBaseDM">src/dm/impls/forest/forest.c</A>
<BR><A HREF="./index.html">Index of all DMFOREST routines</A>
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