petsc-3.14.6 2021-03-30
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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