| cdt_edges | Unique edges of a triangulation |
| cdt_interpolate | Interpolate per-vertex attributes onto points |
| cdt_pslg | Triangulate an RTriangle pslg with the CDT backend |
| cdt_triangulate | Constrained Delaunay triangulation with refinement (CDT backend) |
| cdt_triangulate_attr | Triangulate with per-vertex attributes carried onto new vertices |
| default_min_edge_length | Default refinement edge-length floor |