:orphan:
# SNES_NORM_NONE
Don't compute function and its L2 norm when possible 


## Note
This is most useful for stationary solvers with a fixed number of iterations used as smoothers.


## See Also
 [](ch_snes), `SNESNormSchedule`, `SNES`, `SNESSetNormSchedule()`, `SNES_NORM_DEFAULT`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscsnes.h.html#SNES_NORM_NONE">include/petscsnes.h</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/include/petscsnes.h)


[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)