:orphan: # SNESFASGetLevels Gets the number of levels in a `SNESFAS`, including fine and coarse grids ## Synopsis ``` #include "petscsnes.h" PetscErrorCode SNESFASGetLevels(SNES snes, PetscInt *levels) ``` ## Input Parameter - ***snes -*** the `SNES` nonlinear solver context ## Output parameter - ***levels -*** the number of levels ## See Also `SNESFAS`, `SNESFASSetLevels()`, `PCMGGetLevels()` ## Level advanced ## Location src/snes/impls/fas/fasfunc.c --- [Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/snes/impls/fas/fasfunc.c) [Index of all SNESFAS routines](index.md) [Table of Contents for all manual pages](/manualpages/index.md) [Index of all manual pages](/manualpages/singleindex.md)