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<TITLE>DMHasLabel</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/DMHasLabel.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMHasLabel"><H1>DMHasLabel</H1></A>
Determine whether the mesh has a label of a given name
<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/DMHasLabel.html#DMHasLabel">DMHasLabel</A>(<A HREF="../DM/DM.html#DM">DM</A> dm, const char name[], <A HREF="../Sys/PetscBool.html#PetscBool">PetscBool</A> *hasLabel)
</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> object
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>name </B></TD><TD>- The label name
</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>hasLabel </B></TD><TD>- <A HREF="../Sys/PETSC_TRUE.html#PETSC_TRUE">PETSC_TRUE</A> if the label is present
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/DMCreateLabel.html#DMCreateLabel">DMCreateLabel</A>(), <A HREF="../DM/DMGetLabelValue.html#DMGetLabelValue">DMGetLabelValue</A>(), <A HREF="../DM/DMSetLabelValue.html#DMSetLabelValue">DMSetLabelValue</A>(), <A HREF="../DM/DMGetStratumIS.html#DMGetStratumIS">DMGetStratumIS</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/interface/dm.c.html#DMHasLabel">src/dm/interface/dm.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/snes/tutorials/ex12.c.html">src/snes/tutorials/ex12.c.html</A><BR>
<A HREF="../../../src/ts/tutorials/ex11.c.html">src/ts/tutorials/ex11.c.html</A><BR>
<A HREF="../../../src/ts/tutorials/ex45.c.html">src/ts/tutorials/ex45.c.html</A><BR>
<A HREF="../../../src/ts/tutorials/ex46.c.html">src/ts/tutorials/ex46.c.html</A><BR>
<A HREF="../../../src/ts/tutorials/ex48.c.html">src/ts/tutorials/ex48.c.html</A><BR>
<BR><A HREF="./index.html">Index of all DM routines</A>
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