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# TaoGetMaximumFunctionEvaluations
Gets a maximum number of function evaluations allowed for a `TaoSolve()` 
## Synopsis
```
#include "petsctao.h" 
PetscErrorCode TaoGetMaximumFunctionEvaluations(Tao tao, PetscInt *nfcn)
```
Logically Collective


## Input Parameter

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



## Output Parameter

- ***nfcn -*** the maximum number of function evaluations





## See Also
 [](ch_tao), `Tao`, `TaoSetMaximumFunctionEvaluations()`, `TaoGetMaximumIterations()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/interface/taosolver.c.html#TaoGetMaximumFunctionEvaluations">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)  
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[Index of all manual pages](/manualpages/singleindex.md)