---
title: "+(_:_:)"
framework: simd
role: symbol
role_heading: Operator
path: "simd/simd_quatf/+(_:_:)"
---

# +(_:_:)

Adds two quaternions and produces their sum.

## Declaration

```swift
static func + (lhs: simd_quatf, rhs: simd_quatf) -> simd_quatf
```