triangulation_triangle_neighbors_test, a C code which calls triangulation_triangle_neighbors() to compute the three neighboring triangles of each triangle in a triangulation.
The computer code and data files described and made available on this web page are distributed under the MIT license
triangulation_triangle_neighbors, a C code which reads data defining a triangulation, determines the neighboring triangles of each triangle, and writes that information to a file.
BOX3 is a triangulation of order 3: