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

Input Parameter#

  • pc - the preconditioner context

Output Parameter#

  • reason - the reason it failed

Note#

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#

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

Level#

advanced

Location#

src/ksp/pc/interface/precon.c


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Index of all PC routines
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Index of all manual pages