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
PCoption 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#
KSP: Linear System Solvers, PC, PCSetFromOptions, PCAppendOptionsPrefix(), PCGetOptionsPrefix()
Level#
advanced
Location#
Examples#
src/ksp/pc/tutorials/ex4.c
src/ts/utils/dmplexlandau/tutorials/ex1f90.F90
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages