petsc-3.7.7 2017-09-25
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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
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages