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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD> <link rel="canonical" href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/PetscSF/PetscSFNode.html" />
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>PetscSFNode</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
   <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/PetscSF/PetscSFNode.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscSFNode"><H1>PetscSFNode</H1></A>
specifier of owner and index 
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
typedef struct {
  <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> rank;                /* Rank of owner */
  <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> index;               /* Index of node on rank */
} <A HREF="../PetscSF/PetscSFNode.html#PetscSFNode">PetscSFNode</A>;
</PRE>

<P>
<P>
<H3><FONT COLOR="#CC3333">Sample Usage</FONT></H3>
<pre>
     <A HREF="../PetscSF/PetscSFNode.html#PetscSFNode">PetscSFNode</A>    *remote;
</pre>
<pre>
   ierr = <A HREF="../Sys/PetscMalloc1.html#PetscMalloc1">PetscMalloc1</A>(nleaves,&amp;remote);<A HREF="../Sys/CHKERRQ.html#CHKERRQ">CHKERRQ</A>(ierr);
</pre>
<pre>
   for (i=0; i&lt;size; i++) {
</pre>
<pre>
     remote[i].rank = i;
</pre>
<pre>
     remote[i].index = rank;
</pre>
<pre>
   }
</pre>
<P>
<H3><FONT COLOR="#CC3333">Sample Fortran Usage</FONT></H3>
<pre>
    type(<A HREF="../PetscSF/PetscSFNode.html#PetscSFNode">PetscSFNode</A>) remote(6)
</pre>
<pre>
     remote(1)%rank  = modulo(rank+size-1,size)
</pre>
<pre>
     remote(1)%index = 1 * stride
</pre>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
 <A HREF="../PetscSF/PetscSFSetGraph.html#PetscSFSetGraph">PetscSFSetGraph</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>beginner<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/vec/is/sf/../../../../include/petscsftypes.h.html#PetscSFNode">src/vec/is/sf/../../../../include/petscsftypes.h</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/vec/is/sf/examples/tutorials/ex1f.F90.html">src/vec/is/sf/examples/tutorials/ex1f.F90.html</A><BR>
<BR><A HREF="./index.html">Index of all PetscSF routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
</BODY></HTML>