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# MTLPackedFloat4x3

A structure that contains the top three rows of a 4x4 matrix of 32-bit floating-point values, in column-major order.

```
typealias MTLPackedFloat4x3 = _MTLPackedFloat4x3
```

## Discussion

Metal uses the values `[0,0,0,1]` as the bottom row of the `4x4` matrix.

## Topics

### Matrix data

### Instance Properties

[`var columns: (MTLPackedFloat3, MTLPackedFloat3, MTLPackedFloat3, MTLPackedFloat3)`](/documentation/Metal/MTLPackedFloat4x3-swift.typealias/columns)

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

---

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