petsc-3.9.4 2018-09-11
PCKSPGetKSP
Gets the KSP context for a KSP PC.
Synopsis
#include "petscksp.h"
PetscErrorCode PCKSPGetKSP(PC pc,KSP *ksp)
Not Collective but KSP returned is parallel if PC was parallel
Input Parameter
pc -the preconditioner context
Output Parameters
ksp -the PC solver
Notes
You must call KSPSetUp() before calling PCKSPGetKSP().
If the PC is not a PCKSP object then a NULL is returned
Keywords
PC, KSP, get, context
Level
advanced
Location
src/ksp/pc/impls/ksp/pcksp.c
Implementations
PCKSPGetKSP_KSP in src/ksp/pc/impls/ksp/pcksp.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages