petsc-3.14.6 2021-03-30
KSPCheckSolve
Checks if the PCSetUp() or KSPSolve() failed and set the error flag for the outer PC. A KSP_DIVERGED_ITS is not considered a failure in this context
Synopsis
#include "petscksp.h"
PetscErrorCode KSPCheckSolve(KSP ksp,PC pc,Vec vec)
Collective on ksp
Input Parameter
| ksp | - the linear solver (KSP) context.
|
| pc | - the preconditioner context
|
| vec | - a vector that will be initialized with Inf to indicate lack of convergence
|
Notes: this may be called by a subset of the processes in the PC
Developer Note: this is used to manage returning from preconditioners whose inner KSP solvers have failed in some way
See Also
KSPCreate(), KSPSetType(), KSP, KSPCheckNorm(), KSPCheckDot()
Level
developer
Location
src/ksp/ksp/interface/iterativ.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages