---
title: "simd_sign(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_sign(_:)-7hb8r"
---

# simd_sign(_:)

Returns the sign of each element in a vector.

## Declaration

```swift
func simd_sign(_ x: simd_double8) -> simd_double8
```

## See Also

### Common Functions

- [simd_abs(_:)](simd/simd_abs(_:)-7p0dw.md)
- [simd_clamp(_:_:_:)](simd/simd_clamp(_:_:_:)-q88m.md)
- [simd_equal(_:_:)](simd/simd_equal(_:_:)-8pk1m.md)
- [simd_fract(_:)](simd/simd_fract(_:)-3jcfd.md)
- [simd_step(_:_:)](simd/simd_step(_:_:)-1vckv.md)