petsc-3.13.6 2020-09-29
PCAppendOptionsPrefix
Appends to the prefix used for searching for all PC options in the database.
Synopsis
#include "petscksp.h"
PetscErrorCode PCAppendOptionsPrefix(PC pc,const char prefix[])
Logically Collective on PC
Input Parameters
| pc | - the preconditioner context
|
| prefix | - the prefix string to prepend to all PC option requests
|
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
PCSetOptionsPrefix(), PCGetOptionsPrefix()
Level
advanced
Location
src/ksp/pc/interface/precon.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages