sympy/sympy — pull request #821 by goffrie (2011-12-06 02:31:17+00:00)
Title: Improve code coverage of functions/ tests.

One bug found: https://code.google.com/p/sympy/issues/detail?id=2899

For GCI: http://www.google-melange.com/gci/task/view/google/gci2011/7174207