---
title: "simd_imag(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_imag(_:)-2c8in"
---

# simd_imag(_:)

## Declaration

```swift
func simd_imag(_ q: simd_quath) -> simd_half3
```

## Discussion

Discussion The imaginary (vector) part of the quaternion q.