---
title: "simd_make_float8_undef(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_make_float8_undef(_:)-9qfif"
---

# simd_make_float8_undef(_:)

Returns a new vector from the specified three-element vector, and other elements undefined.

## Declaration

```swift
func simd_make_float8_undef(_ other: simd_float3) -> simd_float8
```

## See Also

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

- [simd_make_float8(_:)](simd/simd_make_float8(_:)-9l23p.md)
- [simd_make_float8(_:)](simd/simd_make_float8(_:)-9i5x2.md)
- [simd_make_float8(_:)](simd/simd_make_float8(_:)-6v9s.md)
- [simd_make_float8(_:)](simd/simd_make_float8(_:)-907gf.md)
- [simd_make_float8(_:)](simd/simd_make_float8(_:)-9z6aw.md)
- [simd_make_float8(_:_:)](simd/simd_make_float8(_:_:).md)
- [simd_make_float8_undef(_:)](simd/simd_make_float8_undef(_:)-9njgo.md)
- [simd_make_float8_undef(_:)](simd/simd_make_float8_undef(_:)-8sol.md)