petsc-3.13.6 2020-09-29
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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 KSP solver

Notes

You must call KSPSetUp() before calling PCKSPGetKSP().

If the PC is not a PCKSP object it raises an error

Level

advanced

Location

src/ksp/pc/impls/ksp/pcksp.c

Examples

src/ksp/ksp/tutorials/ex71.c.html

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