---
title: "init(device:a:count:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpscnnneuronprelu/init(device:a:count:)"
---

# init(device:a:count:)

## Declaration

```swift
init(device: any MTLDevice, a: UnsafePointer<Float>, count: Int)
```