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<div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="PetscHMPIRunCtx"><H1>PetscHMPIRunCtx</H1></A>
runs a function on all the processes of a node
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
PetscErrorCode PetscHMPIRunCtx(MPI_Comm comm,PetscErrorCode (*f)(MPI_Comm,void*,void*),void *ptr)
</PRE>
Collective on <A HREF="../Sys/MPI_Comm.html#MPI_Comm">MPI_Comm</A>
<P>
<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>comm </B></TD><TD>- communicator to run function on, must be PETSC_COMM_LOCAL_WORLD
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>f </B></TD><TD>- function to run
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ptr </B></TD><TD>- pointer to data to pass to function; must be obtained with <A HREF="../Sys/PetscHMPIMalloc.html#PetscHMPIMalloc">PetscHMPIMalloc</A>()
</TD></TR></TABLE>
<P>
Notes: This is like <A HREF="../Sys/PetscHMPIRun.html#PetscHMPIRun">PetscHMPIRun</A>() except it also passes the context passed in <A HREF="../Sys/PetscHMPIMerge.html#PetscHMPIMerge">PetscHMPIMerge</A>()
<P>
Developer Notes: Since comm must be PETSC_COMM_LOCAL_WORLD, why have this argument?
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscHMPIMerge.html#PetscHMPIMerge">PetscHMPIMerge</A>(), <A HREF="../Sys/PetscHMPIMalloc.html#PetscHMPIMalloc">PetscHMPIMalloc</A>(), <A HREF="../Sys/PetscHMPIFree.html#PetscHMPIFree">PetscHMPIFree</A>(), <A HREF="../Sys/PetscHMPIRun.html#PetscHMPIRun">PetscHMPIRun</A>()
<BR>
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/objects/mpinit.c.html#PetscHMPIRunCtx">src/sys/objects/mpinit.c</A>
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