petsc-3.8.4 2018-03-24
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.
Keywords
KSP, append, options, prefix, database
See Also
KSPSetOptionsPrefix(), KSPGetOptionsPrefix()
Level:advanced
Location:src/ksp/ksp/interface/itcl.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/ksp/ksp/examples/tutorials/ex9.c.html