def _logsf(self, x, c):
        return _lazywhere((x == x) & (c != 0), (x, c),
            lambda x, c: c / -special.log1p(c*x),
            -x)
dataset/ETHPy150Open scipy/scipy/scipy/stats/_continuous_distns.py/genpareto_gen._logsf/swapped operands of `/`