DMSetOptionsPrefix#

Sets the prefix prepended to all option names when searching through the options database

Synopsis#

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode DMSetOptionsPrefix(DM dm, const char prefix[])

Logically Collective

Input Parameters#

  • dm - the DM context

  • prefix - the prefix to prepend

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#

DM Basics, DM, PetscObjectSetOptionsPrefix(), DMSetFromOptions()

Level#

advanced

Location#

src/dm/interface/dm.c

Examples#

src/ts/tutorials/ex14.c
src/snes/tutorials/ex28.c
src/snes/tutorials/ex22.c
src/dm/tutorials/ex19.c
src/dm/impls/plex/tutorials/ex5.c

Index of all DM routines
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Index of all manual pages