# SNESLineSearchMonitorSolutionUpdate
Monitors each update of the function value the linesearch tries 
## Synopsis
```
#include "petscsnes.h" 
PetscErrorCode SNESLineSearchMonitorSolutionUpdate(SNESLineSearch ls, PetscViewerAndFormat *vf)
```
Collective on ls


## Input Parameters

- ***ls -*** the `SNES` linesearch object
- ***vf -*** the context for the monitor, in this case it is an `PetscViewerAndFormat`





## See Also
 `SNESLineSearch`, `SNESGetLineSearch()`, `SNESMonitorSet()`, `SNESMonitorSolution()`

## Level
intermediate

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