# SNESLineSearchGetPostCheck
Gets the post-check function for the line search routine. 
## Synopsis
```
#include "petscsnes.h" 
PetscErrorCode SNESLineSearchGetPostCheck(SNESLineSearch linesearch, PetscErrorCode (**func)(SNESLineSearch, Vec, Vec, Vec, PetscBool *, PetscBool *, void *), void **ctx)
```

## Input Parameter

- ***linesearch -*** the `SNESLineSearch` context



## Output Parameters

- ***func -*** [optional] function evaluation routine, see for the calling sequence `SNESLineSearchPostCheck`
- ***ctx        -*** [optional] user-defined context for private data for the function evaluation routine (may be NULL)





## See Also
 `SNESLineSearch`, `SNESGetLineSearch()`, `SNESLineSearchGetPreCheck()`, `SNESLineSearchSetPostCheck()`, `SNESLineSearchPostCheck()`, `SNESLineSearchSetPreCheck()`

## Level
intermediate

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


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


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