PETSc version 3.15.5
PCSetDM
Sets the DM that may be used by some preconditioners 
Synopsis
#include "petscpc.h" 
PetscErrorCode  PCSetDM(PC pc,DM dm)
Logically Collective on PC
Input Parameters
|  | pc | - the preconditioner context | 
|  | dm | - the dm, can be NULL | 
Developer Notes
The routines KSP/SNES/TSSetDM() require the dm to be non-NULL, but this one can be NULL since all it does is
replace the current DM
See Also
 PCGetDM(), KSPSetDM(), KSPGetDM()
Level
intermediate
Location
src/ksp/pc/interface/pcset.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages