---
title: "norm_inf(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/norm_inf(_:)-s3p1"
---

# norm_inf(_:)

Returns the maximum absolute value of a vector.

## Declaration

```swift
func norm_inf(_ x: SIMD2<Double>) -> Double
```

## See Also

### Vector Norm Functions

- [norm_one(_:)](simd/norm_one(_:)-2uh74.md)