PCGetOptionsPrefix#

Gets the prefix used for searching for all PC options in the database.

Synopsis#

#include "petscksp.h" 
PetscErrorCode PCGetOptionsPrefix(PC pc, const char *prefix[])

Not Collective

Input Parameter#

  • pc - the preconditioner context

Output Parameter#

  • prefix - pointer to the prefix string used, is returned

Fortran Note#

The user should pass in a string prefix of sufficient length to hold the prefix.

See Also#

KSP: Linear System Solvers, PC, PCSetFromOptions, PCSetOptionsPrefix(), PCAppendOptionsPrefix()

Level#

advanced

Location#

src/ksp/pc/interface/precon.c


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