petsc-3.5.1 2014-07-24
Report Typos and Errors

PetscObjectDereference

Indicates to any PetscObject that it is being referenced by one less PetscObject. This decreases the reference count for that object by one.

Synopsis

#include "petscsys.h"    
PetscErrorCode  PetscObjectDereference(PetscObject obj)
Collective on PetscObject if reference reaches 0 otherwise Logically Collective

Input Parameter

obj -the PETSc object; this must be cast with (PetscObject), for example, PetscObjectDereference((PetscObject)mat);

Notes: PetscObjectDestroy(PetscObject *obj) sets the obj pointer to null after the call, this routine does not.

See Also

PetscObjectCompose(), PetscObjectReference()

Level:advanced
Location:
src/sys/objects/inherit.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages