SpecFunc_DiLog

SpecFunc_DiLog(x)

Dilogarithm function.

\forall x \in ]-\infty, 1[, \quad
Li_2(x) = -\int_0^x \frac{\log (1-t)}{t}\di{t}

Parameters:x : float \in ]-\infty, 1[
Returns:result : float