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"
int PetscObjectGetNewTag(PetscObject obj,int *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/src/objects/tagm.c
Index of all Sys routines
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Index of all manual pages