---
title: GammaFunction
framework: accelerate
role: symbol
role_heading: Type Alias
path: accelerate/gammafunction
---

# GammaFunction

A type for a gamma function.

## Declaration

```swift
typealias GammaFunction = UnsafeMutableRawPointer
```

## Discussion

Discussion You use this data type when you create a gamma function. See vImageCreateGammaFunction(_:_:_:).

## See Also

### Data Types

- [vImage_Buffer](accelerate/vimage_buffer.md)
- [vImagePixelCount](accelerate/vimagepixelcount.md)
- [vImage_AffineTransform](accelerate/vimage_affinetransform.md)
- [vImage_AffineTransform_Double](accelerate/vimage_affinetransform_double.md)
- [vImage_CGAffineTransform](accelerate/vimage_cgaffinetransform.md)
- [vImage_Error](accelerate/vimage_error.md)
- [vImage_Flags](accelerate/vimage_flags.md)
- [ResamplingFilter](accelerate/resamplingfilter.md)