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# BNNSLayerParametersLossBase

A structure that contains the parameters of a loss layer.

```
struct BNNSLayerParametersLossBase
```

## Topics

### Initializers

[`init(function:i_desc:o_desc:reduction:)`](/documentation/Accelerate/BNNSLayerParametersLossBase/init(function:i_desc:o_desc:reduction:))

Returns a new loss layer parameters structure from the specified parameters.

[`init()`](/documentation/Accelerate/BNNSLayerParametersLossBase/init())

Returns a new loss layer parameters structure.

### Instance Properties

[`function`](/documentation/Accelerate/BNNSLayerParametersLossBase/function)

The function that’s used to compute loss.

[`i_desc`](/documentation/Accelerate/BNNSLayerParametersLossBase/i_desc)

The descriptor of the input.

[`o_desc`](/documentation/Accelerate/BNNSLayerParametersLossBase/o_desc)

The descriptor of the output.

[`reduction`](/documentation/Accelerate/BNNSLayerParametersLossBase/reduction)

The function that’s used to reduce the computed loss.


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