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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
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<HEAD> <link rel="canonical" href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/PetscSF/PetscSFBcastBegin.html" />
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<TITLE>PetscSFBcastBegin</TITLE>
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<BODY BGCOLOR="FFFFFF">
<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/PetscSFBcastBegin.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscSFBcastBegin"><H1>PetscSFBcastBegin</H1></A>
begin pointwise broadcast to be concluded with call to <A HREF="../PetscSF/PetscSFBcastEnd.html#PetscSFBcastEnd">PetscSFBcastEnd</A>()
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsf.h"
PetscErrorCode PetscSFBcastBegin(PetscSF sf,MPI_Datatype unit,const void *rootdata,void *leafdata)
</PRE>
Collective on <A HREF="../PetscSF/PetscSF.html#PetscSF">PetscSF</A>
<P>
<H3><FONT COLOR="#CC3333">Input Arguments</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>sf </B></TD><TD>- star forest on which to communicate
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>unit </B></TD><TD>- data type associated with each node
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>rootdata </B></TD><TD>- buffer to broadcast
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Arguments</FONT></H3>
<DT><B>leafdata </B> -buffer to update with values from each leaf's respective root
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../PetscSF/PetscSFCreate.html#PetscSFCreate">PetscSFCreate</A>(), <A HREF="../PetscSF/PetscSFSetGraph.html#PetscSFSetGraph">PetscSFSetGraph</A>(), <A HREF="../PetscSF/PetscSFView.html#PetscSFView">PetscSFView</A>(), <A HREF="../PetscSF/PetscSFBcastEnd.html#PetscSFBcastEnd">PetscSFBcastEnd</A>(), <A HREF="../PetscSF/PetscSFReduceBegin.html#PetscSFReduceBegin">PetscSFReduceBegin</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/vec/is/sf/interface/sf.c.html#PetscSFBcastBegin">src/vec/is/sf/interface/sf.c</A>
<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>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/vec/is/sf/examples/tutorials/ex1.c.html">src/vec/is/sf/examples/tutorials/ex1.c.html</A><BR>
<A HREF="../../../src/vec/is/sf/examples/tutorials/ex2.c.html">src/vec/is/sf/examples/tutorials/ex2.c.html</A><BR>
<A HREF="../../../src/ts/examples/tutorials/ex11.c.html">src/ts/examples/tutorials/ex11.c.html</A><BR>
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