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<div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="DMSlicedCreate"><H1>DMSlicedCreate</H1></A>
Creates a DM object, used to manage data for a unstructured problem
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmsliced.h"
PetscErrorCode DMSlicedCreate(MPI_Comm comm,PetscInt bs,PetscInt nlocal,PetscInt Nghosts,const PetscInt ghosts[], const PetscInt d_nnz[],const PetscInt o_nnz[],DM *dm)
</PRE>
Collective on <A HREF="../Sys/MPI_Comm.html#MPI_Comm">MPI_Comm</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>comm </B></TD><TD>- the processors that will share the global vector
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>bs </B></TD><TD>- the block size
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>nlocal </B></TD><TD>- number of vector entries on this process
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>Nghosts </B></TD><TD>- number of ghost points needed on this process
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ghosts </B></TD><TD>- global indices of all ghost points for this process
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>d_nnz </B></TD><TD>- matrix preallocation information representing coupling within this process
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>o_nnz </B></TD><TD>- matrix preallocation information representing coupling between this process and other processes
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<DT><B>slice </B> -the slice object
<br>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
This DM does not support <A HREF="../DM/DMCreateLocalVector.html#DMCreateLocalVector">DMCreateLocalVector</A>(), <A HREF="../DM/DMGlobalToLocalBegin.html#DMGlobalToLocalBegin">DMGlobalToLocalBegin</A>(), and <A HREF="../DM/DMGlobalToLocalEnd.html#DMGlobalToLocalEnd">DMGlobalToLocalEnd</A>() instead one directly uses
<A HREF="../Vec/VecGhostGetLocalForm.html#VecGhostGetLocalForm">VecGhostGetLocalForm</A>() and <A HREF="../Vec/VecGhostRestoreLocalForm.html#VecGhostRestoreLocalForm">VecGhostRestoreLocalForm</A>() to access the local representation and <A HREF="../Vec/VecGhostUpdateBegin.html#VecGhostUpdateBegin">VecGhostUpdateBegin</A>() and <A HREF="../Vec/VecGhostUpdateEnd.html#VecGhostUpdateEnd">VecGhostUpdateEnd</A>() to update
the ghost points.
<P>
One can use <A HREF="../DM/DMGlobalToLocalBegin.html#DMGlobalToLocalBegin">DMGlobalToLocalBegin</A>(), and <A HREF="../DM/DMGlobalToLocalEnd.html#DMGlobalToLocalEnd">DMGlobalToLocalEnd</A>() instead of <A HREF="../Vec/VecGhostUpdateBegin.html#VecGhostUpdateBegin">VecGhostUpdateBegin</A>() and <A HREF="../Vec/VecGhostUpdateEnd.html#VecGhostUpdateEnd">VecGhostUpdateEnd</A>().
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/DMDestroy.html#DMDestroy">DMDestroy</A>(), <A HREF="../DM/DMCreateGlobalVector.html#DMCreateGlobalVector">DMCreateGlobalVector</A>(), <A HREF="../DM/DMSetType.html#DMSetType">DMSetType</A>(), <A HREF="../DM/DMSLICED.html#DMSLICED">DMSLICED</A>, <A HREF="../DM/DMSlicedSetGhosts.html#DMSlicedSetGhosts">DMSlicedSetGhosts</A>(), <A HREF="../DM/DMSlicedSetPreallocation.html#DMSlicedSetPreallocation">DMSlicedSetPreallocation</A>(), <A HREF="../Vec/VecGhostUpdateBegin.html#VecGhostUpdateBegin">VecGhostUpdateBegin</A>(), <A HREF="../Vec/VecGhostUpdateEnd.html#VecGhostUpdateEnd">VecGhostUpdateEnd</A>(),
<BR><A HREF="../Vec/VecGhostGetLocalForm.html#VecGhostGetLocalForm">VecGhostGetLocalForm</A>(), <A HREF="../Vec/VecGhostRestoreLocalForm.html#VecGhostRestoreLocalForm">VecGhostRestoreLocalForm</A>()
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/dm/impls/sliced/sliced.c.html#DMSlicedCreate">src/dm/impls/sliced/sliced.c</A>
<BR><A HREF="./index.html">Index of all DM routines</A>
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