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<A NAME="ISCreate"><H1>ISCreate</H1></A>
Creates an index set object.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscis.h"
PetscErrorCode ISCreate(MPI_Comm comm,IS *is)
</PRE>
Collective on <A HREF="../Sys/MPI_Comm.html#MPI_Comm">MPI_Comm</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<DT><B>comm </B> -the MPI communicator
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>is </B> -the new index set
<br>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
When the communicator is not MPI_COMM_SELF, the operations on <A HREF="../IS/IS.html#IS">IS</A> are NOT
conceptually the same as MPI_Group operations. The <A HREF="../IS/IS.html#IS">IS</A> are then
distributed sets of indices and thus certain operations on them are
collective.
<P>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../IS/ISCreateGeneral.html#ISCreateGeneral">ISCreateGeneral</A>(), <A HREF="../IS/ISCreateStride.html#ISCreateStride">ISCreateStride</A>(), <A HREF="../IS/ISCreateBlock.html#ISCreateBlock">ISCreateBlock</A>(), <A HREF="../IS/ISAllGather.html#ISAllGather">ISAllGather</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>beginner
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/vec/is/interface/isreg.c.html#ISCreate">src/vec/is/interface/isreg.c</A>
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