---
title: BNNS.LearningPhase
framework: accelerate
role: symbol
role_heading: Enumeration
path: accelerate/bnns/learningphase
---

# BNNS.LearningPhase

Constants that describe the learning phase of a normalization operation.

## Declaration

```swift
@frozen enum LearningPhase
```

## Topics

### Learning Phases

- [BNNS.LearningPhase.inference](accelerate/bnns/learningphase/inference.md)
- [BNNS.LearningPhase.training](accelerate/bnns/learningphase/training.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Copyable](swift/copyable.md)
- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.md)
- [Hashable](swift/hashable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)