---
title: double2x2
framework: simd
role: symbol
role_heading: Type Alias
path: simd/double2x2
---

# double2x2

A type alias for a double-precision 2 x 2 matrix.

## Declaration

```swift
typealias double2x2 = simd_double2x2
```

## See Also

### Type Aliases

- [matrix_double2x2](simd/matrix_double2x2.md)