# TaoGetFunctionLowerBound
Gets the bound on the solution objective value. When an approximate solution with an objective value below this number has been found, the solver will terminate. 
## Synopsis
```
#include "petsctao.h" 
PetscErrorCode TaoGetFunctionLowerBound(Tao tao, PetscReal *fmin)
```
Not collective


## Input Parameters

- ***tao -*** the Tao solver context



## OutputParameters

- ***fmin -*** the minimum function value





## See Also
 `TaoSetFunctionLowerBound()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/interface/taosolver.c.html#TaoGetFunctionLowerBound">src/tao/interface/taosolver.c</A>


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


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