:orphan:
# TaoLineSearchSetUp
Sets up the internal data structures for the later use of a `TaoLineSearch` 
## Synopsis
```
#include "petsctaolinesearch.h" 
PetscErrorCode TaoLineSearchSetUp(TaoLineSearch ls)
```
Collective


## Input Parameter

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





## Note
The user will not need to explicitly call `TaoLineSearchSetUp()`, as it will
automatically be called in `TaoLineSearchSolve()`.  However, if the user
desires to call it explicitly, it should come after `TaoLineSearchCreate()`
but before `TaoLineSearchApply()`.


## See Also
 [](ch_tao), `Tao`, `TaoLineSearch`, `TaoLineSearchCreate()`, `TaoLineSearchApply()`

## Level
developer

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