---
title: "vImage.Gamma.halfPrecision(_:)"
framework: accelerate
role: symbol
role_heading: Case
path: "accelerate/vimage/gamma/halfprecision(_:)"
---

# vImage.Gamma.halfPrecision(_:)

A user-defined gamma value with half-precision calculation.

## Declaration

```swift
case halfPrecision(Float)
```

## See Also

### User Defined Gamma

- [vImage.Gamma.fullPrecision(_:)](accelerate/vimage/gamma/fullprecision(_:).md)