DMAppendOptionsPrefix#
Appends an additional string to an already existing prefix used for searching for DM options in the options database.
Synopsis#
#include "petscdm.h"
#include "petscdmlabel.h"
#include "petscds.h"
PetscErrorCode DMAppendOptionsPrefix(DM dm, const char prefix[])
Logically Collective
Input Parameters#
dm - the
DMcontextprefix - the string to append to the current prefix
Note#
If the DM does not currently have an options prefix then this value is used alone as the prefix as if DMSetOptionsPrefix() had been called.
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#
DM Basics, DM, DMSetOptionsPrefix(), DMGetOptionsPrefix(), PetscObjectAppendOptionsPrefix(), DMSetFromOptions()
Level#
advanced
Location#
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages