indutny/bn.js — pull request #15 by dcousens (2014-06-21 09:52:04+00:00)
Title: addn failing test

Currently `addn` does not throw an when a sign change occurs.
This can lead to highly erroneous behaviour such as `-100 + 200 == -300`.

This pull request adds a failing test to indicate this support does not exist, and should serve as a warning to others.