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<TITLE>PetscSFGetRanks</TITLE>
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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</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-3.7.5 v3.7.5 docs/manualpages/PetscSF/PetscSFGetRanks.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscSFGetRanks"><H1>PetscSFGetRanks</H1></A>
Get ranks and number of vertices referenced by leaves on this process
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsf.h"
PetscErrorCode PetscSFGetRanks(PetscSF sf,PetscInt *nranks,const PetscMPIInt **ranks,const PetscInt **roffset,const PetscInt **rmine,const PetscInt **rremote)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Arguments</FONT></H3>
<DT><B>sf </B> -star forest
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Arguments</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>nranks </B></TD><TD>- number of ranks referenced by local part
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ranks </B></TD><TD>- array of ranks
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>roffset </B></TD><TD>- offset in rmine/rremote for each rank (length nranks+1)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>rmine </B></TD><TD>- concatenated array holding local indices referencing each remote rank
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>rremote </B></TD><TD>- concatenated array holding remote indices referenced for each remote rank
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../PetscSF/PetscSFSetGraph.html#PetscSFSetGraph">PetscSFSetGraph</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/vec/is/sf/interface/sf.c.html#PetscSFGetRanks">src/vec/is/sf/interface/sf.c</A>
<BR><A HREF="./index.html">Index of all PetscSF routines</A>
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