Sets an ADDITIONAL function that is to be used at the end of the linear solver to display the convergence reason of the linear solver.
ksp - the
f - the ksp converged reason view function
vctx - [optional] user-defined context for private data for the ksp converged reason view routine (use
NULLif no context is desired)
reasonviewdestroy - [optional] routine that frees reasonview context (may be
Options Database Keys#
Several different converged reason view routines may be set by calling
KSPConvergedReasonViewSet() multiple times; all will be called in the
order in which they were set.