---
title: MPSGraphRandomNormalSamplingMethod.invCDF
framework: metalperformanceshadersgraph
role: symbol
role_heading: Case
path: metalperformanceshadersgraph/mpsgraphrandomnormalsamplingmethod/invcdf
---

# MPSGraphRandomNormalSamplingMethod.invCDF

Use inverse erf to convert uniform values to values in the normal distribution

## Declaration

```swift
case invCDF
```