# PCFactorGetZeroPivot
Gets the tolerance used to define a zero privot 
## Synopsis
```
#include "petscpc.h" 
PetscErrorCode PCFactorGetZeroPivot(PC pc, PetscReal *pivot)
```
Not Collective


## Input Parameters

- ***pc -*** the preconditioner context



## Output Parameter

- ***pivot -*** the tolerance





## See Also
 `PCLU`, `PCCHOLESKY`, `PCFactorSetZeroPivot()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/factor/factor.c.html#PCFactorGetZeroPivot">src/ksp/pc/impls/factor/factor.c</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/factor/factimpl.c.html#PCFactorGetZeroPivot_Factor">PCFactorGetZeroPivot_Factor in src/ksp/pc/impls/factor/factimpl.c</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/ksp/pc/impls/factor/factor.c)


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