:orphan:
# SNESNewtonTRDCGetPreCheck
Gets the pre-check function 
## Synopsis
```
#include "petscsnes.h"   
PetscErrorCode SNESNewtonTRDCGetPreCheck(SNES snes, PetscErrorCode (**func)(SNES, Vec, Vec, PetscBool *, void *), void **ctx)
```
Not Collective


## Input Parameter

- ***snes -*** the nonlinear solver context



## Output Parameters

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





## See Also
 `SNESNEWTONTRDC`, `SNESNewtonTRDCSetPreCheck()`, `SNESNewtonTRDCPreCheck()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/impls/ntrdc/ntrdc.c.html#SNESNewtonTRDCGetPreCheck">src/snes/impls/ntrdc/ntrdc.c</A>


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