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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/DMDA/DMDAGetScatter.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMDAGetScatter"><H1>DMDAGetScatter</H1></A>
Gets the global-to-local, and local-to-local vector scatter contexts for a distributed array.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmda.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DMDA/DMDAGetScatter.html#DMDAGetScatter">DMDAGetScatter</A>(<A HREF="../DM/DM.html#DM">DM</A> da,<A HREF="../Vec/VecScatter.html#VecScatter">VecScatter</A> *gtol,<A HREF="../Vec/VecScatter.html#VecScatter">VecScatter</A> *ltol)
</PRE>
Collective on <A HREF="../DMDA/DMDA.html#DMDA">DMDA</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>da </B> -the distributed array
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>gtol </B></TD><TD>- global-to-local scatter context (may be NULL)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ltol </B></TD><TD>- local-to-local scatter context (may be NULL)
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
The output contexts are valid only as long as the input da is valid.
If you delete the da, the scatter contexts will become invalid.
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
distributed array, get, scatter, context, global-to-local,
<BR>local-to-global, local-to-local
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/DMGlobalToLocalBegin.html#DMGlobalToLocalBegin">DMGlobalToLocalBegin</A>(), <A HREF="../DM/DMGlobalToLocalEnd.html#DMGlobalToLocalEnd">DMGlobalToLocalEnd</A>(), <A HREF="../DM/DMLocalToGlobalBegin.html#DMLocalToGlobalBegin">DMLocalToGlobalBegin</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>developer<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/dm/impls/da/dascatter.c.html#DMDAGetScatter">src/dm/impls/da/dascatter.c</A>
<BR><A HREF="./index.html">Index of all DMDA routines</A>
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