test_prior.py 文件源码

def setUp(self):
        """Setup the Prior object."""
        # A half-bounded uniform prior ensuring parm >= 0.
        self.uPrior = Prior(UniformUnnormedRV(lower=0.))

        # A normalized uniform prior ensuring param [10^-18, 10^-12]
        self.bPrior = Prior(UniformBoundedRV(1.0e-18, 1.0e-12))

        # A bounded Gaussian prior to ensure that param is in [0, 1]
        mean, std, low, up = 0.9, 0.1, 0.0, 1.0
        self.gPrior = Prior(GaussianBoundedRV(loc=mean, scale=std,
                                              lower=low, upper=up))

        # A Gaussian prior
        self.nPrior = Prior(norm(loc=0, scale=1))

        # Linear exponent prior p(x) ~ 10**x
        self.lePrior = Prior(LinearExpRV(lower=-18, upper=-12))