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# init(device:)

Initializes an absolute neuron filter.

```
init(device: any MTLDevice)
```

## Parameters

`device`

The device the filter will run on.

## Return Value

A valid [`MPSCNNNeuronAbsolute`](/documentation/MetalPerformanceShaders/MPSCNNNeuronAbsolute) object or `nil`, if failure.

---

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