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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</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-3.7.5 v3.7.5 docs/manualpages/DM/DMPlexCreateClosureIndex.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMPlexCreateClosureIndex"><H1>DMPlexCreateClosureIndex</H1></A>
Calculate an index for the given <A HREF="../IS/PetscSection.html#PetscSection">PetscSection</A> for the closure operation on the <A HREF="../DM/DM.html#DM">DM</A>
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmplex.h"
PetscErrorCode DMPlexCreateClosureIndex(DM dm, PetscSection section)
</PRE>
Not collective
<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 <A HREF="../DM/DM.html#DM">DM</A>
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>section </B></TD><TD>- The section describing the layout in v, or NULL to use the default section
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Note</FONT></H3>
This should greatly improve the performance of the closure operations, at the cost of additional memory.
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/DMPlexVecGetClosure.html#DMPlexVecGetClosure">DMPlexVecGetClosure</A>(), <A HREF="../DM/DMPlexVecRestoreClosure.html#DMPlexVecRestoreClosure">DMPlexVecRestoreClosure</A>(), <A HREF="../DM/DMPlexVecSetClosure.html#DMPlexVecSetClosure">DMPlexVecSetClosure</A>(), <A HREF="../DM/DMPlexMatSetClosure.html#DMPlexMatSetClosure">DMPlexMatSetClosure</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/dm/impls/plex/plexindices.c.html#DMPlexCreateClosureIndex">src/dm/impls/plex/plexindices.c</A>
<BR><A HREF="./index.html">Index of all DM routines</A>
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<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/snes/examples/tutorials/ex62.c.html">src/snes/examples/tutorials/ex62.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex77.c.html">src/snes/examples/tutorials/ex77.c.html</A><BR>
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