PETSc version 3.16.5
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# PetscObjectGetOptions

Gets the options database used by the object. Call immediately after creating the object.

### Synopsis

    #include "petscsys.h"
    PetscErrorCode  PetscObjectGetOptions(PetscObject obj,PetscOptions *options)

Collective on PetscObject

### Input Parameter

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

### Output Parameter

| options | - the options database

### Notes

if this is not called the object will use the default options database

### See Also

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

### Level

advanced

### Location

src/sys/objects/prefix.c
Index of all Sys routines
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