def d_comov(z, Omega_M, Omega_L):
check_cosmo(z, Omega_M, Omega_L)
if isinstance(z, (list, tuple, np.ndarray)):
return vinteg_2arg(E_inv, 0, z, Omega_M, Omega_L)
else:
return integ_2arg(E_inv, 0, z, Omega_M, Omega_L)
def age(H_0, z, Omega_M, Omega_L):
check_cosmo(z, Omega_M, Omega_L)
def func(z, Omega_M, Omega_L):
A = 1.0 + z
B = (1.0 + z) ** 2 * (1.0 + Omega_M * z)
C = z * (2.0 + z) * Omega_L
return 1.0 / (A * np.sqrt(B - C))
return integ_2arg(func, z, np.inf, Omega_M, Omega_L) * t_H(H_0)