Method

NumCosmoMathFftlogeval_output

Declaration [src] 

gdouble
ncm_fftlog_eval_output (
  NcmFftlog* fftlog,
  guint nderiv,
  const gdouble lnr
)

Description [src]

Evaluates the function $G(r)$, or the nderiv-th derivative, at the point lnr.

Parameters

nderiv

Type: guint

Derivative number.

lnr

Type: const gdouble

Logarithm base e of $r$.

Return value

Type: gdouble

$\frac{\mathrm{d}^nG(r)}{\mathrm{d}\ln r}$ value computed at lnr.