---
title: zeroTolerance
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/sparsenumericfactoroptions/zerotolerance
---

# zeroTolerance

The zero tolerance that some pivoting modes use.

## Declaration

```swift
var zeroTolerance: Double
```

## Discussion

Discussion note: Only the symmetric factorization algorithms use the zeroTolerance parameter. SparseFactorizationQR ignores the zero tolerance value.

## See Also

### Instance Properties

- [control](accelerate/sparsenumericfactoroptions/control.md)
- [SparseControl_t](accelerate/sparsecontrol_t.md)
- [scalingMethod](accelerate/sparsenumericfactoroptions/scalingmethod.md)
- [scaling](accelerate/sparsenumericfactoroptions/scaling.md)
- [SparseScaling_t](accelerate/sparsescaling_t.md)
- [pivotTolerance](accelerate/sparsenumericfactoroptions/pivottolerance.md)