---
title: "simd_make_half3_undef(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_make_half3_undef(_:)-1frd1"
---

# simd_make_half3_undef(_:)

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

## Declaration

```swift
func simd_make_half3_undef(_ other: simd_half2) -> simd_half3
```

## See Also

### Functions to create three-element vectors from other vectors

- [simd_make_half3(_:)](simd/simd_make_half3(_:)-52gdy.md)
- [simd_make_half3(_:)](simd/simd_make_half3(_:)-4yz0x.md)
- [simd_make_half3(_:)](simd/simd_make_half3(_:)-4h0kc.md)
- [simd_make_half3(_:)](simd/simd_make_half3(_:)-5nca0.md)
- [simd_make_half3(_:)](simd/simd_make_half3(_:)-9063q.md)
- [simd_make_half3(_:)](simd/simd_make_half3(_:)-64v1.md)