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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
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<TITLE>DMDAGetInfo</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/DM/DMDAGetInfo.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMDAGetInfo"><H1>DMDAGetInfo</H1></A>
Gets information about a given distributed array.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmda.h"
PetscErrorCode DMDAGetInfo(DM da,PetscInt *dim,PetscInt *M,PetscInt *N,PetscInt *P,PetscInt *m,PetscInt *n,PetscInt *p,PetscInt *dof,PetscInt *s,DMBoundaryType *bx,DMBoundaryType *by,DMBoundaryType *bz,DMDAStencilType *st)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>da </B> -the distributed array
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>dim </B></TD><TD>- dimension of the distributed array (1, 2, or 3)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>M, N, P </B></TD><TD>- global dimension in each direction of the array
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>m, n, p </B></TD><TD>- corresponding number of procs in each dimension
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>dof </B></TD><TD>- number of degrees of freedom per node
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>s </B></TD><TD>- stencil width
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>bx,by,bz </B></TD><TD>- type of ghost nodes at boundary, one of DM_BOUNDARY_NONE, DM_BOUNDARY_GHOSTED,
DM_BOUNDARY_MIRROR, DM_BOUNDARY_PERIODIC
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>st </B></TD><TD>- stencil type, either <A HREF="../DM/DMDA_STENCIL_STAR.html#DMDA_STENCIL_STAR">DMDA_STENCIL_STAR</A> or <A HREF="../DM/DMDA_STENCIL_BOX.html#DMDA_STENCIL_BOX">DMDA_STENCIL_BOX</A>
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Note</FONT></H3>
Use NULL (NULL_INTEGER in Fortran) in place of any output parameter that is not of interest.
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
distributed array, get, information
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/DMView.html#DMView">DMView</A>(), <A HREF="../DM/DMDAGetCorners.html#DMDAGetCorners">DMDAGetCorners</A>(), <A HREF="../DM/DMDAGetLocalInfo.html#DMDAGetLocalInfo">DMDAGetLocalInfo</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>beginner
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/dm/impls/da/daview.c.html#DMDAGetInfo">src/dm/impls/da/daview.c</A>
<BR><A HREF="./index.html">Index of all DM 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/dm/examples/tutorials/ex15.c.html">src/dm/examples/tutorials/ex15.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex4.c.html">src/ksp/ksp/examples/tutorials/ex4.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex25.c.html">src/ksp/ksp/examples/tutorials/ex25.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex28.c.html">src/ksp/ksp/examples/tutorials/ex28.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex29.c.html">src/ksp/ksp/examples/tutorials/ex29.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex31.c.html">src/ksp/ksp/examples/tutorials/ex31.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex32.c.html">src/ksp/ksp/examples/tutorials/ex32.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex34.c.html">src/ksp/ksp/examples/tutorials/ex34.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex42.c.html">src/ksp/ksp/examples/tutorials/ex42.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex43.c.html">src/ksp/ksp/examples/tutorials/ex43.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex45.c.html">src/ksp/ksp/examples/tutorials/ex45.c.html</A><BR>
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