---
title: "simd_make_double4(_:_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_make_double4(_:_:)-1ifzl"
---

# simd_make_double4(_:_:)

Returns a new vector from a scalar value and a vector.

## Declaration

```swift
func simd_make_double4(_ x: Double, _ yzw: simd_double3) -> simd_double4
```

## See Also

### Functions to Create Four-Element Vectors From Combinations of Vectors and Scalar Values

- [simd_make_double4(_:_:_:)](simd/simd_make_double4(_:_:_:)-51v00.md)
- [simd_make_double4(_:_:_:)](simd/simd_make_double4(_:_:_:)-8f2vh.md)
- [simd_make_double4(_:_:_:)](simd/simd_make_double4(_:_:_:)-8b5fy.md)
- [simd_make_double4(_:_:)](simd/simd_make_double4(_:_:)-767qm.md)