Add documentation comments to internal functions

Explain the semantics of internal functions.
6 files changed
tree: 2e96ba9f96e517f52bbba1cc6cd48cbe5228928a
  1. auxiliary/
  2. math/
  3. test/
  4. .gitignore
  5. config.mk.dist
  6. LICENSE
  7. Makefile
  8. README