---
title: MPSGraphRandomDistribution.truncatedNormal
framework: metalperformanceshadersgraph
role: symbol
role_heading: Case
path: metalperformanceshadersgraph/mpsgraphrandomdistribution/truncatednormal
---

# MPSGraphRandomDistribution.truncatedNormal

The normal distribution defined by mean and standard deviation, truncated to the range [min, max)

## Declaration

```swift
case truncatedNormal
```