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<TITLE>DMFindRegionNum</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/DM/DMFindRegionNum.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMFindRegionNum"><H1>DMFindRegionNum</H1></A>
Find the region number for a given <A HREF="../DM/PetscDS.html#PetscDS">PetscDS</A>, or -1 if it is not found.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdm.h"
#include "petscdmlabel.h"
#include "petscds.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DM/DMFindRegionNum.html#DMFindRegionNum">DMFindRegionNum</A>(<A HREF="../DM/DM.html#DM">DM</A> dm, <A HREF="../DM/PetscDS.html#PetscDS">PetscDS</A> ds, <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> *num)
</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>ds </B></TD><TD>- The <A HREF="../DM/PetscDS.html#PetscDS">PetscDS</A> defined on the given region
</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>num </B></TD><TD>- The region number, in [0, Nds), or -1 if not found
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/DMGetRegionNumDS.html#DMGetRegionNumDS">DMGetRegionNumDS</A>(), <A HREF="../DM/DMGetRegionDS.html#DMGetRegionDS">DMGetRegionDS</A>(), <A HREF="../DM/DMSetRegionDS.html#DMSetRegionDS">DMSetRegionDS</A>(), <A HREF="../DM/DMGetDS.html#DMGetDS">DMGetDS</A>(), <A HREF="../DM/DMGetCellDS.html#DMGetCellDS">DMGetCellDS</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>advanced<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/dm/interface/dm.c.html#DMFindRegionNum">src/dm/interface/dm.c</A>
<BR><A HREF="./index.html">Index of all DM routines</A>
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