| R1 | Linear.V1, Linear.V2, Linear.V3, Linear.V4, Linear |
| R2 | Linear.V2, Linear.V3, Linear.V4, Linear |
| R3 | Linear.V3, Linear.V4, Linear |
| R4 | Linear.V4, Linear |
| Ray | Linear.Plucker |
| reflectDim | Linear.V |
| reifyDim | Linear.V |
| reifyVector | Linear.V |
| rotate | Linear.Quaternion, Linear |