:orphan: # SNESSetFunctionNorm Sets the last computed residual norm. ## Synopsis ``` #include "petscsnes.h" PetscErrorCode SNESSetFunctionNorm(SNES snes, PetscReal norm) ``` Logically Collective ## Input Parameters - ***snes -*** the `SNES` context - ***norm -*** the value of the norm ## See Also [](ch_snes), `SNES`, `SNESGetNormSchedule()`, `SNESComputeFunction()`, `VecNorm()`, `SNESSetFunction()`, `SNESSetInitialFunction()`, `SNESNormSchedule` ## Level developer ## Location src/snes/interface/snes.c --- [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)