petsc-3.14.6 2021-03-30
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DMSetOptionsPrefix

Sets the prefix used for searching for all DM options in the database.

Synopsis

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

Input Parameter

da - the DM 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

DMSetFromOptions()

Level

advanced

Location

src/dm/interface/dm.c

Examples

src/dm/impls/plex/tutorials/ex5.c.html
src/dm/tutorials/ex19.c.html
src/snes/tutorials/ex22.c.html
src/snes/tutorials/ex28.c.html
src/snes/tutorials/ex73f90t.F90.html
src/ts/tutorials/ex14.c.html

Index of all DM routines
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Index of all manual pages