diagrams/diagrams-lib — pull request #89 by byorgey (2013-07-02 05:14:16+00:00)
Title: bug fix: add special case for b==0 to quadform solver

Previously, it simply gave completely bogus results when b=0.

Fixes #88.

@fryguybob , can you take a look at this and make sure I'm not making a silly mistake? It does seem to fix #88.