---
title: "simd_make_int8_undef(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_make_int8_undef(_:)-57mj8"
---

# simd_make_int8_undef(_:)

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

## Declaration

```swift
func simd_make_int8_undef(_ other: simd_int2) -> simd_int8
```

## See Also

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

- [simd_make_int8(_:)](simd/simd_make_int8(_:)-9s1jp.md)
- [simd_make_int8(_:)](simd/simd_make_int8(_:)-9vi30.md)
- [simd_make_int8(_:)](simd/simd_make_int8(_:)-efr4.md)
- [simd_make_int8(_:)](simd/simd_make_int8(_:)-r4ak.md)
- [simd_make_int8(_:)](simd/simd_make_int8(_:)-3lu01.md)
- [simd_make_int8(_:_:)](simd/simd_make_int8(_:_:).md)
- [simd_make_int8_undef(_:)](simd/simd_make_int8_undef(_:)-5324d.md)
- [simd_make_int8_undef(_:)](simd/simd_make_int8_undef(_:)-5rem2.md)