Method

NumCosmoHICosmox_alpha

Declaration [src] 

gdouble
nc_hicosmo_x_alpha (
  NcHICosmo* cosmo,
  gdouble alpha
)

Description [src]

Computes the inverse of abs_alpha, recovering the scale factor from $\alpha$.

Parameters

alpha

Type: gdouble

Power parameter $\alpha$.

Return value

Type: gdouble

$x = x_b \exp(-|\alpha|)$.