:orphan:
# SNESGetForceIteration
Check whether or not `SNESSolve()` take at least one iteration regardless of the initial residual norm 
## Synopsis
```
#include "petscsnes.h"  
PetscErrorCode SNESGetForceIteration(SNES snes, PetscBool *force)
```
Logically Collective


## Input Parameter

- ***snes -*** the `SNES` context



## Output Parameter

- ***force -*** `PETSC_TRUE` requires at least one iteration.





## See Also
 [](ch_snes), `SNES`, `SNESSetForceIteration()`, `SNESSetTrustRegionTolerance()`, `SNESSetDivergenceTolerance()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/interface/snes.c.html#SNESGetForceIteration">src/snes/interface/snes.c</A>


---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/snes/interface/snes.c)


[Index of all SNES routines](index.md)  
[Table of Contents for all manual pages](/manualpages/index.md)  
[Index of all manual pages](/manualpages/singleindex.md)