def _lognorm_logpdf(x, s):
    return _lazywhere(x != 0, (x, s),
                      lambda x, s: -log(x)**2 / (2*s**2) - log(s*x*sqrt(2*pi)),
                      -np.inf)
dataset/ETHPy150Open scipy/scipy/scipy/stats/_continuous_distns.py/_lognorm_logpdf/original