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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