def gammln(xx):
    coeff = [76.18009173, -86.50532033, 24.01409822, -1.231739516,
             0.120858003e-2, -0.536382e-5]
    x = xx - 1.0
    tmp = x + 5.5
    tmp = tmp - (x+0.5)*log(tmp)
    ser = 1.0
    for j in range(len(coeff)):
        x = x + 1
        ser = ser + coeff[j]/x
    return -tmp + log(2.50662827465*ser)
Return the change number for the given revisions.
dataset/ETHPy150Open Miserlou/django-easy-split/easy_split/stats.py/gammln--crossover with--dataset/ETHPy150Open reviewboard/rbtools/rbtools/clients/__init__.py/SCMClient.get_changenum