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# init(arithmetic_function:arithmetic_function_fields:activation:)

Returns a new arithmetic layer parameters structure.

```
init(arithmetic_function: BNNSArithmeticFunction, arithmetic_function_fields: UnsafeMutableRawPointer, activation: BNNSActivation)
```

## Parameters

`arithmetic_function`

The arithmetic function.

`arithmetic_function_fields`

A pointer to an arithmetic function field structure.

`activation`

The activation function that the layer applies to the output.

---

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