3b6afc3bce04d2c7729bb4d57986cf180356297f,scipy/stats/_continuous_distns.py,gompertz_gen,_ppf,#gompertz_gen#Any#Any#,1940

Before Change

        return 1.0-exp(-c*(exp(x)-1))

    def _ppf(self, q, c):
        return log(1-1.0/c*log(1-q))

    def _entropy(self, c):
        return 1.0 - log(c) - exp(c)*special.expn(1, c)
gompertz = gompertz_gen(a=0.0, name="gompertz")

After Change

        return -special.expm1(-c * special.expm1(x))

    def _ppf(self, q, c):
        return special.log1p(-1.0 / c * special.log1p(-q))

    def _entropy(self, c):
        return 1.0 - log(c) - exp(c)*special.expn(1, c)
gompertz = gompertz_gen(a=0.0, name="gompertz")

Instances