Here is a list of all files with brief descriptions:

ascii_read_meshvector.m
ascii_write_mesh.m
geom.cpp
geom.h
getmatrix.cpp
getmatrix.h
jacsolve.cpp
jacsolve.h
main.cpp
square.m
userset.cpp
userset.h
vdop.cpp
vdop.h
visualize_results.m