| Class | Description | 
|---|---|
| Quaternion | 
 Class used to represent unit-quaternions which are used to represent 3D orientations. 
 | 
| Quaternion32 | 
 Class used to represent unit-quaternions which are used to represent 3D orientations. 
 | 
| Vector4D | 
 Class used to represent generic quaternions. 
 | 
| Vector4D32 | 
 Class used to represent generic quaternions. 
 |