NumCosmoScalefactoreval_eta_z

gdouble
nc_scalefactor_eval_eta_z (
  NcScalefactor* a,
  const gdouble z
)

Calculates the value of the conformal time at $z$, i.e., $\eta(z)$.

z

Type: const gdouble

Redshift $z$.

Type: gdouble

$\eta(z)$.