---
title: "init(inputADescriptorType:inputBDescriptorType:outputDescriptorType:function:)"
framework: accelerate
role: symbol
role_heading: Initializer
path: "accelerate/bnns/fusedbinaryarithmeticparameters/init(inputadescriptortype:inputbdescriptortype:outputdescriptortype:function:)"
---

# init(inputADescriptorType:inputBDescriptorType:outputDescriptorType:function:)

Returns a new fused binary arithmetic parameters structure.

## Declaration

```swift
init(inputADescriptorType: BNNS.DescriptorType, inputBDescriptorType: BNNS.DescriptorType, outputDescriptorType: BNNS.DescriptorType, function: BNNS.ArithmeticBinaryFunction)
```

## Parameters

- `inputADescriptorType`: The descriptor type of the first input.
- `inputBDescriptorType`: The descriptor type of the second input.
- `outputDescriptorType`: The descriptor type of the output.
- `function`: The arithmetic function.