petsc-3.14.6 2021-03-30
KSPAppendOptionsPrefix
Appends to the prefix used for searching for all KSP options in the database.
Synopsis
#include "petscksp.h"
PetscErrorCode KSPAppendOptionsPrefix(KSP ksp,const char prefix[])
Logically Collective on ksp
Input Parameters
| ksp | - the Krylov context
|
| prefix | - the prefix string to prepend to all KSP 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
KSPSetOptionsPrefix(), KSPGetOptionsPrefix()
Level
advanced
Location
src/ksp/ksp/interface/itcl.c
Examples
src/ksp/ksp/tutorials/ex9.c.html
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages