PetscObjectQuery#
Gets a PETSc object associated with a given object that was composed with PetscObjectCompose()
Synopsis#
#include "petscsys.h"    
PetscErrorCode PetscObjectQuery(PetscObject obj, const char name[], PetscObject *ptr)
Not Collective
Input Parameters#
- obj - the PETSc object. It 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*)
Note#
The reference count of neither object is increased in this call
See Also#
PetscObjectCompose(), PetscObjectComposeFunction(), PetscObjectQueryFunction(), PetscContainer
PetscContainerGetPointer(), PetscObject
Level#
advanced
Location#
Examples#
src/ts/tutorials/ex77.c
src/snes/tutorials/ex7.c
src/ts/tutorials/ex30.c
src/ksp/ksp/tutorials/ex73.c
src/ts/tutorials/ex29.c
src/snes/tutorials/ex35.c
src/snes/tutorials/ex48.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages