### functional-red-black-tree

popularA fully persistent balanced binary search tree

Updated by @mikolalysenko

### ndarray-gradient

Finds the gradient of an ndarray using finite differences

Updated by @mikolalysenko

### slab-decomposition

Slab decomposition data structure for 2D vertical ray queries

Updated by @mikolalysenko

### planar-graph-to-polyline

Convert a planar graph to a collection of nest polylines

Updated by @mikolalysenko

### robust-in-sphere

Exact arithmetic test to check if point is contained in sphere

Updated by @mikolalysenko