petsc-master 2020-10-18
Report Typos and Errors

PCGetFailedReason

Gets the reason a PCSetUp() failed or PC_NOERROR if it did not fail

Synopsis

#include "petscksp.h" 
PetscErrorCode PCGetFailedReason(PC pc,PCFailedReason *reason)
Logically Collective on PC

Input Parameter

pc - the preconditioner context

Output Parameter

reason - the reason it failed

Notes: This is the maximum over reason over all ranks in the PC communicator. It is only valid after a call KSPCheckDot() or KSPCheckNorm() inside a KSPSolve(). It is not valid immediately after a PCSetUp() or PCApply(), then use PCGetFailedReasonRank()

See Also

PCCreate(), PCApply(), PCDestroy(), PCGetFailedReasonRank(), PCSetFailedReason()

Level

advanced

Location

src/ksp/pc/interface/precon.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages