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<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/AO/AOApplicationToPetsc.html "><small>Report Typos and Errors</small></a></div>
<A NAME="AOApplicationToPetsc"><H1>AOApplicationToPetsc</H1></A>
Maps a set of integers in the application-defined ordering to the PETSc ordering.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscao.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../AO/AOApplicationToPetsc.html#AOApplicationToPetsc">AOApplicationToPetsc</A>(<A HREF="../AO/AO.html#AO">AO</A> ao,<A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> n,<A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> ia[])
</PRE>
Collective on <A HREF="../AO/AO.html#AO">AO</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>ao </B></TD><TD>- the application ordering context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>n </B></TD><TD>- the number of integers
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ia </B></TD><TD>- the integers; these are replaced with their mapped value
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>ia </B> -the mapped integers
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">Note</FONT></H3>
Any integers in ia[] that are negative are left unchanged. This
allows one to convert, for example, neighbor lists that use negative
entries to indicate nonexistent neighbors due to boundary conditions, etc.
<P>
Integers that are out of range are mapped to -1
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
application ordering, mapping
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../AO/AOCreateBasic.html#AOCreateBasic">AOCreateBasic</A>(), <A HREF="../AO/AOView.html#AOView">AOView</A>(), <A HREF="../AO/AOPetscToApplication.html#AOPetscToApplication">AOPetscToApplication</A>(),
<BR><A HREF="../AO/AOPetscToApplicationIS.html#AOPetscToApplicationIS">AOPetscToApplicationIS</A>(), <A HREF="../AO/AOApplicationToPetsc.html#AOApplicationToPetsc">AOApplicationToPetsc</A>()
<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/ao/interface/ao.c.html#AOApplicationToPetsc">src/vec/is/ao/interface/ao.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/dm/examples/tutorials/ex6.c.html">src/dm/examples/tutorials/ex6.c.html</A><BR>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/vec/is/ao/impls/basic/aobasic.c.html#AOApplicationToPetsc_Basic">AOApplicationToPetsc_Basic in src/vec/is/ao/impls/basic/aobasic.c</A><BR>
<A HREF="../../../src/vec/is/ao/impls/mapping/aomapping.c.html#AOApplicationToPetsc_Mapping">AOApplicationToPetsc_Mapping in src/vec/is/ao/impls/mapping/aomapping.c</A><BR>
<A HREF="../../../src/vec/is/ao/impls/memscalable/aomemscalable.c.html#AOApplicationToPetsc_MemoryScalable">AOApplicationToPetsc_MemoryScalable in src/vec/is/ao/impls/memscalable/aomemscalable.c</A><BR>
<BR><A HREF="./index.html">Index of all AO routines</A>
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