scipy/scipy — pull request #461 by pbrod (2013-03-09 21:06:35+00:00)
Title: Fix for Ticket #1842: cornercase: scipy.stats.binom.pfm(100,100,1)

This PR fixes the bug reported in Ticket #1842 wrong value returned by scipy.stats.binom probability mass function when true probability is 1.

Also added a small test for this