jhidding

from scipy.integrate import quad

class Cosmology:
    """This object stores all relevant information wrt the background
    cosmology, parametrized by OmegaM, OmegaL and H0."""
    def __init__(self, H0, OmegaM, OmegaL):
        self.H0 = H0
        self.OmegaM = OmegaM
        self.OmegaL = OmegaL
        self.OmegaK = 1 - OmegaM - OmegaL