PetscObjectPrependOptionsPrefix#

Sets the prefix used for searching for options of for this object in the database.

Synopsis#

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

Input Parameters#

obj - any PETSc object, for example a Vec, Mat or KSP.
prefix - the prefix string to prepend to option requests of the object.

Note#

A hyphen (-) must NOT be given at the beginning of the prefix name. The first character of all runtime options is AUTOMATICALLY the hyphen.

See Also#

PetscOptionsCreate(), PetscOptionsDestroy(), PetscObjectSetOptionsPrefix(), PetscObjectAppendOptionsPrefix(), PetscObjectGetOptionsPrefix()

Level#

advanced

Location#

src/sys/objects/prefix.c

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