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

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#

KSP: Linear System Solvers, KSP, KSPSetOptionsPrefix(), KSPGetOptionsPrefix(), KSPSetFromOptions()

Level#

advanced

Location#

src/ksp/ksp/interface/itcl.c

Examples#

src/ksp/ksp/tutorials/ex9.c

Index of all KSP routines
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Index of all manual pages