:orphan:
# TaoLineSearchGetFullStepObjective
Returns the objective function value at the full step.  Useful for some minimization algorithms. 
## Synopsis
```
#include "petsctaolinesearch.h" 
PetscErrorCode TaoLineSearchGetFullStepObjective(TaoLineSearch ls, PetscReal *f_fullstep)
```
Not Collective


## Input Parameter

- ***ls -*** the `TaoLineSearch` context



## Output Parameter

- ***f -*** the objective value at the full step length





## See Also
 `TaoLineSearchGetSolution()`, `TaoLineSearchGetStartingVector()`, `TaoLineSearchGetStepDirection()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/linesearch/interface/taolinesearch.c.html#TaoLineSearchGetFullStepObjective">src/tao/linesearch/interface/taolinesearch.c</A>


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


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