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# BNNS.FusedConvolutionNormalizationLayer

A layer object that wraps a fused, convolution normalization layer and manages its deinitialization.

```
class FusedConvolutionNormalizationLayer
```

## Topics

### Creating a Fused Convolution Normalization Layer

[`convenience init?(input: BNNSNDArrayDescriptor, output: BNNSNDArrayDescriptor, convolutionWeights: BNNSNDArrayDescriptor, convolutionBias: BNNSNDArrayDescriptor?, convolutionStride: (x: Int, y: Int), convolutionDilationStride: (x: Int, y: Int), convolutionPadding: BNNS.ConvolutionPadding, normalization: BNNS.NormalizationType, normalizationBeta: BNNSNDArrayDescriptor, normalizationGamma: BNNSNDArrayDescriptor, normalizationMomentum: Float, normalizationEpsilon: Float, normalizationActivation: BNNS.ActivationFunction, filterParameters: BNNSFilterParameters?)`](/documentation/Accelerate/BNNS/FusedConvolutionNormalizationLayer/init(input:output:convolutionWeights:convolutionBias:convolutionStride:convolutionDilationStride:convolutionPadding:normalization:normalizationBeta:normalizationGamma:normalizationMomentum:normalizationEpsilon:normalizationActivation:filterParameters:))

Returns a new fused, convolution normalization layer.

### Applying a Fused Layer

[`func apply(batchSize: Int, input: BNNSNDArrayDescriptor, output: BNNSNDArrayDescriptor, for: BNNS.LearningPhase) throws`](/documentation/Accelerate/BNNS/FusedLayer/apply(batchSize:input:output:for:))

Applies the layer to a set of input objects, writing the result to a set of output objects.

[`func applyBackward(batchSize: Int, input: BNNSNDArrayDescriptor, output: BNNSNDArrayDescriptor, outputGradient: BNNSNDArrayDescriptor, generatingInputGradient: BNNSNDArrayDescriptor, generatingParameterGradients: [BNNSNDArrayDescriptor]) throws`](/documentation/Accelerate/BNNS/FusedLayer/applyBackward(batchSize:input:output:outputGradient:generatingInputGradient:generatingParameterGradients:))

Applies the layer backward to generate input gradients.

### Specifying the Learning Phase

[`enum LearningPhase`](/documentation/Accelerate/BNNS/LearningPhase)

Constants that describe the learning phase of a normalization operation.

## Relationships

### Inherits From

[`FusedLayer`](/documentation/Accelerate/BNNS/FusedLayer)

---

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