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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</b></div>
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<A NAME="DMPlexIsDistributed"><H1>DMPlexIsDistributed</H1></A>
Find out whether this <A HREF="../DM/DM.html#DM">DM</A> is distributed, i.e. more than one rank owns some points.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmplex.h"
#include "petscdmlabel.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DMPLEX/DMPlexIsDistributed.html#DMPlexIsDistributed">DMPlexIsDistributed</A>(<A HREF="../DM/DM.html#DM">DM</A> dm, <A HREF="../Sys/PetscBool.html#PetscBool">PetscBool</A> *distributed)
</PRE>
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>dm </B></TD><TD>- The <A HREF="../DM/DM.html#DM">DM</A> object
</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>distributed </B></TD><TD>- Flag whether the <A HREF="../DM/DM.html#DM">DM</A> is distributed
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
This currently finds out whether at least two ranks have any DAG points.
This involves MPI_Allreduce() with one integer.
The result is currently not stashed so every call to this routine involves this global communication.
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DMPLEX/DMPlexDistribute.html#DMPlexDistribute">DMPlexDistribute</A>(), <A HREF="../DMPLEX/DMPlexGetOverlap.html#DMPlexGetOverlap">DMPlexGetOverlap</A>(), <A HREF="../DMPLEX/DMPlexIsInterpolated.html#DMPlexIsInterpolated">DMPlexIsInterpolated</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/plex/plexdistribute.c.html#DMPlexIsDistributed">src/dm/impls/plex/plexdistribute.c</A>
<BR><A HREF="./index.html">Index of all DMPLEX routines</A>
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