---
title: "simd_make_int3_undef(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_make_int3_undef(_:)-5q1nf"
---

# simd_make_int3_undef(_:)

Returns a new vector with the first element set to a scalar value, and other elements undefined.

## Declaration

```swift
func simd_make_int3_undef(_ other: Int32) -> simd_int3
```

## See Also

### Functions to Create Three-Element Vectors From Scalar Values

- [simd_make_int3(_:)](simd/simd_make_int3(_:)-4pdxm.md)
- [simd_make_int3(_:_:_:)](simd/simd_make_int3(_:_:_:).md)