PCReduceFailedReason#
Reduce the failed reason among the MPI processes that share the PC
Synopsis#
#include "petscksp.h"
PetscErrorCode PCReduceFailedReason(PC pc)
Collective
Input Parameter#
pc - the preconditioner context
Note#
Different MPI processes may have different reasons or no reason, see PCGetFailedReason(). This routine
makes them have a common value (failure if any MPI process had a failure).
See Also#
KSP: Linear System Solvers, PC, PCCreate(), PCApply(), PCDestroy(), PCGetFailedReason(), PCSetFailedReason()
Level#
advanced
Location#
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages