Method

NumCosmoRecombget_tau_drag_lambda

Declaration [src]

gdouble
nc_recomb_get_tau_drag_lambda (
  NcRecomb* recomb,
  NcHICosmo* cosmo
)

Description [src]

Calculates the value of $\lambda$ where the optical depth times $R$ [Eq. \eqref{eq:def:tau}] is equal to one, i.e., $\tau_\mathrm{drag}(\lambda^\star) = 1$.

Parameters

cosmo

Type: NcHICosmo

A NcHICosmo.

The data is owned by the caller of the method.

Return value

Type: gdouble

$\lambda^\star$.