petsc-3.13.6 2020-09-29
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PetscObjectGetNewTag

 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.

Synopsis

#include "petscsys.h"   
PetscErrorCode  PetscObjectGetNewTag(PetscObject obj,PetscMPIInt *tag)
Collective on PetscObject

Input Parameter

obj -the PETSc object; this must be cast with a (PetscObject), for example, PetscObjectGetNewTag((PetscObject)mat,&tag);

Output Parameter

tag -the new tag

See Also

PetscCommGetNewTag()

Level

developer

Location

src/sys/objects/tagm.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages