Method

NumCosmoRecombget_tau_cutoff_z

Declaration [src]

gdouble
nc_recomb_get_tau_cutoff_z (
  NcRecomb* recomb,
  NcHICosmo* cosmo
)

Description [src]

Calculates the value of $z(\lambda)$ where the optical depth [Eq \eqref{eq:def:tau}] attains a value such that $e^{-\tau(\lambda_\text{cutoff})} = \epsilon_\text{double}$, i.e., equal to the smallest value of a double which add to one.

Parameters

cosmo

Type: NcHICosmo

A NcHICosmo.

The data is owned by the caller of the method.

Return value

Type: gdouble

$z(\lambda_\text{cutoff})$.