---
title: BNNSConstant
framework: accelerate
role: symbol
role_heading: Global Variable
path: accelerate/bnnsconstant
---

# BNNSConstant

A constant that doesn’t have a gradient.

## Declaration

```swift
var BNNSConstant: BNNSDescriptorType { get }
```

## See Also

### Descriptor Types

- [init(_:)](accelerate/bnnsdescriptortype/init(_:).md)
- [init(rawValue:)](accelerate/bnnsdescriptortype/init(rawvalue:).md)
- [rawValue](accelerate/bnnsdescriptortype/rawvalue.md)
- [BNNSParameter](accelerate/bnnsparameter.md)
- [BNNSSample](accelerate/bnnssample.md)