---
title: MPSGraphFFTScalingMode.unitary
framework: metalperformanceshadersgraph
role: symbol
role_heading: Case
path: metalperformanceshadersgraph/mpsgraphfftscalingmode/unitary
---

# MPSGraphFFTScalingMode.unitary

Scales the FFT result with reciprocal square root of the total FFT size over all transformed dimensions, resulting in signal strength conserving transformation.

## Declaration

```swift
case unitary
```