API Version: 1.0
Library Version: 0.27.0
Generated by gi-docgen 2026.1
gdouble Omega_t0 ( NcHICosmo* cosmo )
Dimensionless total matter density today $\Omega_{t0} = \rho_{t0} / \rho_{\mathrm{crit}0}$, see nc_hicosmo_crit_density().
Type: gdouble
gdouble
The baryon-photon momentum density ratio $x_b$.