#include "petscsys.h" PetscErrorCode PetscObjectQuery(PetscObject obj,const char name[],PetscObject *ptr)Not Collective
| obj | - the PETSc object Thus must be cast with a (PetscObject), for example, PetscObjectCompose((PetscObject)mat,...); | |
| name | - name associated with child object | |
| ptr | - the other PETSc object associated with the PETSc object, this must be cast with (PetscObject*) |
The reference count of neither object is increased in this call