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<div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="ISRestoreIndices"><H1>ISRestoreIndices</H1></A>
Restores an index set to a usable state after a call to <A HREF="../IS/ISGetIndices.html#ISGetIndices">ISGetIndices</A>().
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscis.h"
PetscErrorCode ISRestoreIndices(IS is,const PetscInt *ptr[])
</PRE>
Not Collective
<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>is </B></TD><TD>- the index set
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ptr </B></TD><TD>- the pointer obtained by <A HREF="../IS/ISGetIndices.html#ISGetIndices">ISGetIndices</A>()
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Fortran Note</FONT></H3>
This routine is used differently from Fortran
<pre>
<A HREF="../IS/IS.html#IS">IS</A> is
</pre>
<pre>
integer is_array(1)
</pre>
<pre>
<A HREF="../Sys/PetscOffset.html#PetscOffset">PetscOffset</A> i_is
</pre>
<pre>
int ierr
</pre>
<pre>
call <A HREF="../IS/ISGetIndices.html#ISGetIndices">ISGetIndices</A>(is,is_array,i_is,ierr)
</pre>
<pre>
</pre>
<pre>
Access first local entry in list
</pre>
<pre>
value = is_array(i_is + 1)
</pre>
<pre>
</pre>
<pre>
...... other code
</pre>
<pre>
call <A HREF="../IS/ISRestoreIndices.html#ISRestoreIndices">ISRestoreIndices</A>(is,is_array,i_is,ierr)
</pre>
<P>
See the Fortran chapter of the users manual and
petsc/src/is/examples/[tutorials,tests] for details.
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../IS/ISGetIndices.html#ISGetIndices">ISGetIndices</A>(), <A HREF="../IS/ISRestoreIndicesF90.html#ISRestoreIndicesF90">ISRestoreIndicesF90</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/is/interface/index.c.html#ISRestoreIndices">src/vec/is/is/interface/index.c</A>
<BR><A HREF="./index.html">Index of all IS routines</A>
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