https://github.com/ekg/freebayes
Tip revision: be06174e45da0975c4fb0a0223c76f90c280b392 authored by Erik Garrison on 04 July 2013, 16:41:50 UTC
Setting Release-Version v9.9.2
Setting Release-Version v9.9.2
Tip revision: be06174
factorialln.py
from scipy.special import gamma, gammaln
def factorialln(n):
if n == 1:
return 0
elif n == 0:
return 0
elif n < 0:
raise Exception("factorial is not defined for n < 0")
else:
return gammaln(n + 1)