PCSetOptionsPrefix#

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

Synopsis#

#include "petscksp.h" 
PetscErrorCode PCSetOptionsPrefix(PC pc, const char prefix[])

Logically Collective

Input Parameters#

pc - the preconditioner context
prefix - the prefix string to prepend to all PC option requests

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#

PC, PCSetFromOptions, PCAppendOptionsPrefix(), PCGetOptionsPrefix()

Level#

advanced

Location#

src/ksp/pc/interface/precon.c

Examples#

src/ts/utils/dmplexlandau/tutorials/ex1f90.F90

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