SNESSetOptionsPrefix#

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

Synopsis#

#include "petscsnes.h"  
PetscErrorCode SNESSetOptionsPrefix(SNES snes, const char prefix[])

Logically Collective

Input Parameters#

snes - the SNES context
prefix - the prefix to prepend to all option names

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#

SNES: Nonlinear Solvers, SNES, SNESSetFromOptions(), SNESAppendOptionsPrefix()

Level#

advanced

Location#

src/snes/interface/snes.c

Examples#

src/snes/tutorials/ex27.c
src/ts/tutorials/ex30.c
src/ts/utils/dmplexlandau/tutorials/ex1f90.F90
src/snes/tutorials/ex1.c

Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages