---
title: vImage.Gamma.nineOverElevenHalfPrecision
framework: accelerate
role: symbol
role_heading: Case
path: accelerate/vimage/gamma/nineoverelevenhalfprecision
---

# vImage.Gamma.nineOverElevenHalfPrecision

Half-precision calculation using a gamma value of 9/11 or (9/5)/(11/5).

## Declaration

```swift
case nineOverElevenHalfPrecision
```

## See Also

### Constant Gamma

- [vImage.Gamma.bt709ForwardHalfPrecision](accelerate/vimage/gamma/bt709forwardhalfprecision.md)
- [vImage.Gamma.bt709ReverseHalfPrecision](accelerate/vimage/gamma/bt709reversehalfprecision.md)
- [vImage.Gamma.elevenOverFiveHalfPrecision](accelerate/vimage/gamma/elevenoverfivehalfprecision.md)
- [vImage.Gamma.elevenOverNineHalfPrecision](accelerate/vimage/gamma/elevenoverninehalfprecision.md)
- [vImage.Gamma.fiveOverElevenHalfPrecision](accelerate/vimage/gamma/fiveoverelevenhalfprecision.md)
- [vImage.Gamma.fiveOverNineHalfPrecision](accelerate/vimage/gamma/fiveoverninehalfprecision.md)
- [vImage.Gamma.nineOverFiveHalfPrecision](accelerate/vimage/gamma/nineoverfivehalfprecision.md)
- [vImage.Gamma.sRGBForwardHalfPrecision](accelerate/vimage/gamma/srgbforwardhalfprecision.md)
- [vImage.Gamma.sRGBReverseHalfPrecision](accelerate/vimage/gamma/srgbreversehalfprecision.md)