Method

NumCosmoScalefactoreval_eta_t

Declaration [src] 

gdouble
nc_scalefactor_eval_eta_t (
  NcScalefactor* a,
  const gdouble t
)

Description [src]

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

Parameters

t

Type: const gdouble

Cosmic time $t$.

Return value

Type: gdouble

$\eta(t)$.