Function

NumCosmoMathsf_sin_int

Declaration [src] 

gdouble
ncm_sf_sin_int (
  gdouble x
)

Description [src]

Computes the sine integral $$\mathrm{Si}(x) = \int_0^x \frac{\sin x’}{x’}\mathrm{d}x.$$.

Parameters

x

Type: gdouble

Value of the argument $x$.

Return value

Type: gdouble

The value of $\mathrm{Si}(x)$.