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<TITLE>ISGetNonlocalIS</TITLE>
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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/IS/ISGetNonlocalIS.html "><small>Report Typos and Errors</small></a></div>
<A NAME="ISGetNonlocalIS"><H1>ISGetNonlocalIS</H1></A>
Gather all nonlocal indices for this <A HREF="../IS/IS.html#IS">IS</A> and present them as another sequential index set.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscis.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../IS/ISGetNonlocalIS.html#ISGetNonlocalIS">ISGetNonlocalIS</A>(<A HREF="../IS/IS.html#IS">IS</A> is, <A HREF="../IS/IS.html#IS">IS</A> *complement)
</PRE>
<P>
Collective on <A HREF="../IS/IS.html#IS">IS</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>is </B> -the index set
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>complement </B> -sequential <A HREF="../IS/IS.html#IS">IS</A> with indices identical to the result of
<A HREF="../IS/ISGetNonlocalIndices.html#ISGetNonlocalIndices">ISGetNonlocalIndices</A>()
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
complement represents the result of <A HREF="../IS/ISGetNonlocalIndices.html#ISGetNonlocalIndices">ISGetNonlocalIndices</A> as an <A HREF="../IS/IS.html#IS">IS</A>.
Therefore scalability issues similar to <A HREF="../IS/ISGetNonlocalIndices.html#ISGetNonlocalIndices">ISGetNonlocalIndices</A> apply.
The resulting <A HREF="../IS/IS.html#IS">IS</A> must be restored using <A HREF="../IS/ISRestoreNonlocalIS.html#ISRestoreNonlocalIS">ISRestoreNonlocalIS</A>().
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../IS/ISGetNonlocalIndices.html#ISGetNonlocalIndices">ISGetNonlocalIndices</A>(), ISRestoreNonlocalIndices(), <A HREF="../IS/ISAllGather.html#ISAllGather">ISAllGather</A>(), <A HREF="../IS/ISGetSize.html#ISGetSize">ISGetSize</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/vec/is/is/interface/index.c.html#ISGetNonlocalIS">src/vec/is/is/interface/index.c</A>
<BR><A HREF="./index.html">Index of all IS routines</A>
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