---
title: double4x2
framework: simd
role: symbol
role_heading: Type Alias
path: simd/double4x2
---

# double4x2

A type alias for a double-precision 4 x 2 matrix.

## Declaration

```swift
typealias double4x2 = simd_double4x2
```

## See Also

### Type Aliases

- [matrix_double4x2](simd/matrix_double4x2.md)