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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/DMNetwork/PetscSFGetSubSF.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscSFGetSubSF"><H1>PetscSFGetSubSF</H1></A>
Returns an SF for a specific subset of points. Leaves are re-numbered to reflect the new ordering.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmnetwork.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DMNetwork/PetscSFGetSubSF.html#PetscSFGetSubSF">PetscSFGetSubSF</A>(<A HREF="../PetscSF/PetscSF.html#PetscSF">PetscSF</A> mastersf, <A HREF="../IS/ISLocalToGlobalMapping.html#ISLocalToGlobalMapping">ISLocalToGlobalMapping</A> map, <A HREF="../PetscSF/PetscSF.html#PetscSF">PetscSF</A> *subSF)
</PRE>
<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>masterSF </B></TD><TD>- the original SF structure
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>map </B></TD><TD>- a ISLocalToGlobal mapping that contains the subset of points
</TD></TR></TABLE>
<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>subSF </B></TD><TD>- a subset of the masterSF for the desired subset.
</TD></TR></TABLE>
<P>
<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/network/network.c.html#PetscSFGetSubSF">src/dm/impls/network/network.c</A>
<BR><A HREF="./index.html">Index of all DMNetwork routines</A>
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