petsc-3.14.5 2021-03-03
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# SNESGetNonlinearStepFailures

Gets the number of unsuccessful steps attempted by the nonlinear solver.

### Synopsis

    #include "petscsnes.h"
    PetscErrorCode  SNESGetNonlinearStepFailures(SNES snes,PetscInt *nfails)

Not Collective

### Input Parameter

| snes | - SNES context

### Output Parameter

| nfails | - number of unsuccessful steps attempted

### Notes

This counter is reset to zero for each successive call to SNESSolve().

### See Also

SNESGetMaxLinearSolveFailures(), SNESGetLinearSolveIterations(), SNESSetMaxLinearSolveFailures(), SNESGetLinearSolveFailures(),
SNESSetMaxNonlinearStepFailures(), SNESGetMaxNonlinearStepFailures()

### Level

intermediate

### Location

src/snes/interface/snes.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages