| B | ↛ | ensure_yx_order() removed | |
| B | ↛ | _check_and_flip() removed | |
| B | ↛ | stretching_deformation() removed | |
| B | ↛ | total_deformation() removed | |
| B | ↛ | montgomery_streamfunction() removed | |
| B | ↛ | shearing_deformation() removed | |
| B | ↛ | shearing_stretching_deformation() removed | |
| A | ↛ | _is_x_first_dim() removed |