---
title: "simd_make_double8(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_make_double8(_:)-3wn9q"
---

# simd_make_double8(_:)

Returns a new vector from the specified two-element vector, and other elements set to zero.

## Declaration

```swift
func simd_make_double8(_ other: simd_double2) -> simd_double8
```

## See Also

### Functions to Create Eight-Element Vectors From Other Vectors

- [simd_make_double8(_:)](simd/simd_make_double8(_:)-40259.md)
- [simd_make_double8(_:)](simd/simd_make_double8(_:)-3br50.md)
- [simd_make_double8(_:)](simd/simd_make_double8(_:)-4i0aw.md)
- [simd_make_double8(_:_:)](simd/simd_make_double8(_:_:).md)
- [simd_make_double8_undef(_:)](simd/simd_make_double8_undef(_:)-7g0z0.md)
- [simd_make_double8_undef(_:)](simd/simd_make_double8_undef(_:)-7d127.md)
- [simd_make_double8_undef(_:)](simd/simd_make_double8_undef(_:)-7md0u.md)