PETSc version 3.15.5
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