PETSc version 3.17.4
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# 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 or the manual pages for the individual convergence tests for complete lists

### Options Database

| -snes_converged_reason | - prints the reason to standard out

### Notes

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

SNESSetConvergenceTest(), SNESSetConvergedReason(), SNESConvergedReason

### Level

intermediate

### Location

src/snes/interface/snes.c

### Examples

src/snes/tutorials/ex6.c.html
src/snes/tutorials/ex15.c.html
src/snes/tutorials/ex30.c.html
src/snes/tutorials/ex42.c.html
src/snes/tutorials/ex48.c.html
src/ts/tutorials/ex14.c.html
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages