---
title: "simd_step(_:_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_step(_:_:)-1fxwh"
---

# 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: simd_float4, _ x: simd_float4) -> simd_float4
```

## See Also

### Common Functions

- [simd_abs(_:)](simd/simd_abs(_:)-81qo8.md)
- [abs(_:)](simd/abs(_:)-1fzhv.md)
- [simd_clamp(_:_:_:)](simd/simd_clamp(_:_:_:)-6vmhh.md)
- [clamp(_:min:max:)](simd/clamp(_:min:max:)-46ay6.md)
- [clamp(_:min:max:)](simd/clamp(_:min:max:)-19q7w.md)
- [simd_equal(_:_:)](simd/simd_equal(_:_:)-6sa26.md)
- [simd_fract(_:)](simd/simd_fract(_:)-3w2rh.md)
- [fract(_:)](simd/fract(_:)-9s3df.md)
- [simd_sign(_:)](simd/simd_sign(_:)-74zwz.md)
- [sign(_:)](simd/sign(_:)-167c1.md)
- [step(_:edge:)](simd/step(_:edge:)-8we4c.md)