SpecFunc_GammaCorrection

SpecFunc_GammaCorrection(a)

GammaCorrection function.

\forall x \in \Rset^*_+, \quad
GammaCorrection(a) = \log (\Gamma(a)) - \log (\sqrt{2\Pi}) + a - (a - 0.5) \log(a)

with \Gamma the Gamma function.

Parameters:a : float \in \Rset^*_+
Returns:result : float

See also

SpecFunc_Gamma