PetscObjectGetOptionsPrefix#

Gets the prefix of the PetscObject used for searching in the options database

Synopsis#

#include "petscsys.h"    
PetscErrorCode PetscObjectGetOptionsPrefix(PetscObject obj, const char *prefix[])

Input Parameter#

obj - any PETSc object, for example a Vec, Mat or KSP.

Output Parameter#

prefix - pointer to the prefix string used is returned

See Also#

PetscOptionsCreate(), PetscOptionsDestroy(), PetscObjectSetOptionsPrefix(), PetscObjectAppendOptionsPrefix(), PetscObjectPrependOptionsPrefix(), TSGetOptionsPrefix(), SNESGetOptionsPrefix(), KSPGetOptionsPrefix()

Level#

advanced

Location#

src/sys/objects/prefix.c

Examples#

src/snes/tutorials/ex36.c
src/ts/tutorials/ex18.c
src/ts/tutorials/ex53.c

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