SpecFunc_LogGamma1p

SpecFunc_LogGamma1p(a)

LogGamma1p function.

\forall a \in \Rset, \quad
LogGamma1p(a) = \log (\Gamma(1+a))

with \Gamma the Gamma function.

Parameters:
a : float
Returns:
result : float

See also

SpecFunc_Gamma