petsc-master 2019-10-13
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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/examples/tutorials/ex9.c.html

Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages