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<A NAME="PetscObjectGetNewTag"><H1>PetscObjectGetNewTag</H1></A>
Gets a unique new tag from a PETSc object. All processors that share the object MUST call this routine EXACTLY the same number of times. This tag should only be used with the current objects communicator; do NOT use it with any other MPI communicator.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
int PetscObjectGetNewTag(PetscObject obj,int *tag)
</PRE>
Collective on <A HREF="../Sys/PetscObject.html#PetscObject">PetscObject</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>obj </B> -the PETSc object; this must be cast with a (<A HREF="../Sys/PetscObject.html#PetscObject">PetscObject</A>), for example,
<A HREF="../Sys/PetscObjectGetNewTag.html#PetscObjectGetNewTag">PetscObjectGetNewTag</A>((<A HREF="../Sys/PetscObject.html#PetscObject">PetscObject</A>)mat,&tag);
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>tag </B> -the new tag
<br>
<P>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscCommGetNewTag.html#PetscCommGetNewTag">PetscCommGetNewTag</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/src/objects/tagm.c.html#PetscObjectGetNewTag">src/sys/src/objects/tagm.c</A>
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