scipy/scipy — pull request #4308 by bewithaman (2014-12-24 04:42:06+00:00)
Title: Bug: #4028 scipy.stats.geom.logpmf(1,1) returns 0.0. #4028 fixed.

BUG: #4028 fixed. Modified scipy.stats.geom.logpmf() to:
def _logpmf(self, k, p):
return special.xlog1py(k - 1, -p) + log(p)