SNESGetConvergedReason#

Gets the reason the SNES iteration was stopped.

Synopsis#

#include "petscsnes.h"  
PetscErrorCode SNESGetConvergedReason(SNES snes, SNESConvergedReason *reason)

Not Collective

Input Parameter#

  • snes - the SNES context

Output Parameter#

  • reason - negative value indicates diverged, positive value converged, see SNESConvergedReason for the individual convergence tests for complete lists

Options Database Key#

  • -snes_converged_reason - prints the reason to standard out

Note#

Should only be called after the call the SNESSolve() is complete, if it is called earlier it returns the value SNES__CONVERGED_ITERATING.

See Also#

SNES: Nonlinear Solvers, SNESSolve(), SNESSetConvergenceTest(), SNESSetConvergedReason(), SNESConvergedReason, SNESGetConvergedReasonString()

Level#

intermediate

Location#

src/snes/interface/snes.c

Examples#

src/snes/tutorials/ex15.c
src/snes/tutorials/ex30.c
src/snes/tutorials/ex42.c
src/snes/tutorials/ex48.c
src/snes/tutorials/ex6.c
src/ts/tutorials/ex14.c
src/ts/tutorials/ex48.c

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Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages