---
title: "sign(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/sign(_:)-5fczz"
---

# sign(_:)

Returns the sign of each element in a vector.

## Declaration

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

## See Also

### Common Functions

- [simd_abs(_:)](simd/simd_abs(_:)-8869e.md)
- [abs(_:)](simd/abs(_:)-1p8t7.md)
- [simd_clamp(_:_:_:)](simd/simd_clamp(_:_:_:)-6puwa.md)
- [clamp(_:min:max:)](simd/clamp(_:min:max:)-7n2jv.md)
- [clamp(_:min:max:)](simd/clamp(_:min:max:)-6d1s7.md)
- [simd_equal(_:_:)](simd/simd_equal(_:_:)-vmn4.md)
- [simd_fract(_:)](simd/simd_fract(_:)-42i3r.md)
- [fract(_:)](simd/fract(_:)-2gjrn.md)
- [simd_sign(_:)](simd/simd_sign(_:)-6jlx9.md)
- [step(_:edge:)](simd/step(_:edge:)-2qauk.md)
- [simd_step(_:_:)](simd/simd_step(_:_:)-8jlf2.md)