PETSc version 3.17.4
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# VecAppendOptionsPrefix

Appends to the prefix used for searching for all Vec options in the database.

### Synopsis

    #include "petscvec.h"
    PetscErrorCode  VecAppendOptionsPrefix(Vec v,const char prefix[])

Logically Collective on Vec

### Input Parameters

| v | - the Vec context
| prefix | - the prefix to prepend to all option names

### Notes

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

VecGetOptionsPrefix()

### Level

advanced

### Location

src/vec/vec/interface/vector.c
Index of all Vec routines
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Index of all manual pages