Method

NumCosmoScalefactoreval_eta_x

Declaration [src] 

gdouble
nc_scalefactor_eval_eta_x (
  NcScalefactor* a,
  const gdouble x
)

Description [src]

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

Parameters

x

Type: const gdouble

Redshift x variable $x = 1 + z$.

Return value

Type: gdouble

$\eta(z(x))$.