NumCosmoHICosmoVexpE_tau

gdouble
nc_hicosmo_Vexp_E_tau (
  NcHICosmoVexp* Vexp,
  const gdouble tau
)

Computes the value of $E(\tau)$, where $E(\tau) = H(\tau) / H_0$.

tau

Type: const gdouble

$\tau$.

Type: gdouble

$E(\tau)$.