---
title: "simd_step(_:_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_step(_:_:)-u24h"
---

# simd_step(_:_:)

Returns zero for each element in a vector less than a specified edge, and otherwise returns one.

## Declaration

```swift
func simd_step(_ edge: Float16, _ x: Float16) -> Float16
```

## See Also

### Common functions

- [simd_clamp(_:_:_:)](simd/simd_clamp(_:_:_:)-c4d6.md)
- [simd_fract(_:)](simd/simd_fract(_:)-1wwew.md)
- [simd_sign(_:)](simd/simd_sign(_:)-9365i.md)