petsc-3.13.6 2020-09-29
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 Parameters
pc -the preconditioner context
Output Parameters
prefix -pointer to the prefix string used, is returned
Notes
On the fortran side, the user should pass in a string 'prifix' of
sufficient length to hold the prefix.
See Also
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