# TAOLINESEARCHUNIT
Line-search type that disables line search and accepts the unit step length every time 
## Options Database Keys

- ***-tao_ls_stepinit <step> -*** steplength





## See Also
 `TaoLineSearchCreate()`, `TaoLineSearchSetType()`, `TaoLineSearchApply()`


## Keywords
 Tao, linesearch

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/linesearch/impls/unit/unit.c.html#TAOLINESEARCHUNIT">src/tao/linesearch/impls/unit/unit.c</A>


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


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