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# BNNSLossFunction

Constants that describe loss functions.

```
struct BNNSLossFunction
```

## Topics

### Raw Values

### Loss Functions

[`init(_:)`](/documentation/Accelerate/BNNSLossFunction/init(_:))

[`init(rawValue:)`](/documentation/Accelerate/BNNSLossFunction/init(rawValue:))

[`rawValue`](/documentation/Accelerate/BNNSLossFunction/rawValue)

[`BNNSLossFunctionCategoricalCrossEntropy`](/documentation/Accelerate/BNNSLossFunctionCategoricalCrossEntropy)

Performs categorical cross entropy computation between input prediction and labels.

[`BNNSLossFunctionCosineDistance`](/documentation/Accelerate/BNNSLossFunctionCosineDistance)

Performs cosine distance loss computation between input predictions and labels.

[`BNNSLossFunctionHinge`](/documentation/Accelerate/BNNSLossFunctionHinge)

Performs Hinge loss computation between labels and unbounded zero-centered binary predictions.

[`BNNSLossFunctionHuber`](/documentation/Accelerate/BNNSLossFunctionHuber)

Huber loss computation between input logits and one-hot encoded labels.

[`BNNSLossFunctionLog`](/documentation/Accelerate/BNNSLossFunctionLog)

Log loss computation between labels and predictions.

[`BNNSLossFunctionMeanAbsoluteError`](/documentation/Accelerate/BNNSLossFunctionMeanAbsoluteError)

Mean absolute error (MAE) computation between input prediction and labels.

[`BNNSLossFunctionMeanSquareError`](/documentation/Accelerate/BNNSLossFunctionMeanSquareError)

Mean square error (MSE) computation between input logits and one-hot encoded labels.

[`BNNSLossFunctionSigmoidCrossEntropy`](/documentation/Accelerate/BNNSLossFunctionSigmoidCrossEntropy)

Sigmoid activation on input logits, and independent computation of cross-entropy loss for each class.

[`BNNSLossFunctionSoftmaxCrossEntropy`](/documentation/Accelerate/BNNSLossFunctionSoftmaxCrossEntropy)

Softmax activation on input logits, and computation of cross-entropy loss with one-hot encoded labels.

[`BNNSLossFunctionYolo`](/documentation/Accelerate/BNNSLossFunctionYolo)

You Only Look Once (YOLO) loss computation between prediction and ground truth labels.



---

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