def _cdf(self, x, K):
        invK = 1.0 / K
        expval = invK * (0.5 * invK - x)
        return _norm_cdf(x) - exp(expval) * _norm_cdf(x - invK)
dataset/ETHPy150Open scipy/scipy/scipy/stats/_continuous_distns.py/exponnorm_gen._cdf/original