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 DM context

  • prefix - 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#

src/dm/interface/dm.c

Index of all DM routines
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Index of all manual pages