numpy/numpy — pull request #224 by joferkington (2012-03-03 23:28:27+00:00)
Title: ENH: Add an "isclose" function for element-wise approximate floating point comparison of two arrays.

Following the (discussion on the mailing list)[http://mail.scipy.org/pipermail/numpy-discussion/2012-March/061103.html], it seems like a floating point comparison function that returns a boolean array would be useful.