---
title: axis_mask
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/bnnslayerparametersquantization/axis_mask
---

# axis_mask

A bitmask that defines the axis  to which the function applies scale and bias.

## Declaration

```swift
var axis_mask: Int
```

## Discussion

Discussion Set to 0 to apply scale and bias to the entire tensor.

## See Also

### Instance Properties

- [function](accelerate/bnnslayerparametersquantization/function.md)
- [i_desc](accelerate/bnnslayerparametersquantization/i_desc.md)
- [o_desc](accelerate/bnnslayerparametersquantization/o_desc.md)
- [scale](accelerate/bnnslayerparametersquantization/scale.md)
- [bias](accelerate/bnnslayerparametersquantization/bias.md)