Method

NumCosmoScalefactoreval_a_eta

Declaration [src] 

gdouble
nc_scalefactor_eval_a_eta (
  NcScalefactor* a,
  const gdouble eta
)

Description [src]

Calculates the value of the scale factor in $\eta$, i.e., $a(\eta)$.

Parameters

eta

Type: const gdouble

Conformal time $\eta$.

Return value

Type: gdouble

$a(\eta)$.