---
title: "step(_:edge:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/step(_:edge:)-641e1"
---

# step(_:edge:)

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

## Declaration

```swift
func step(_ x: SIMD4<Double>, edge: SIMD4<Double>) -> SIMD4<Double>
```

## See Also

### Common Functions

- [simd_abs(_:)](simd/simd_abs(_:)-81rjc.md)
- [abs(_:)](simd/abs(_:)-63bb7.md)
- [simd_clamp(_:_:_:)](simd/simd_clamp(_:_:_:)-8skia.md)
- [clamp(_:min:max:)](simd/clamp(_:min:max:)-3iua3.md)
- [clamp(_:min:max:)](simd/clamp(_:min:max:)-51jkt.md)
- [simd_fract(_:)](simd/simd_fract(_:)-3w3dh.md)
- [fract(_:)](simd/fract(_:)-8mowg.md)
- [simd_equal(_:_:)](simd/simd_equal(_:_:)-6lpka.md)
- [simd_sign(_:)](simd/simd_sign(_:)-74z7b.md)
- [sign(_:)](simd/sign(_:)-86tur.md)
- [simd_step(_:_:)](simd/simd_step(_:_:)-6nrf4.md)