---
title: "init(type:ratio:targetSystem:)"
framework: accelerate
role: symbol
role_heading: Initializer
path: "accelerate/bnns/sparseparameters/init(type:ratio:targetsystem:)"
---

# init(type:ratio:targetSystem:)

Returns a new sparse parameters structure.

## Declaration

```swift
init(type: BNNS.SparsityType = .unstructured, ratio: (numerator: UInt32, denominator: UInt32), targetSystem: BNNSTargetSystem)
```