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# swing(twistAxis:)

```
func swing(twistAxis: RotationAxis3DFloat) -> Rotation3DFloat
```

## Parameters

`twistAxis`

The twist axis.

## Return Value

The swing component of the rotation’s swing-twist decomposition for a given twist axis.

## Discussion\abstract Returns the swing component of the rotation’s swing-twist decomposition for a given twist axis.

---

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