Variable libecpint::GAMMA

Variable Documentation

const double libecpint::GAMMA[30]

Gamma function tabulation, where GAMMA[i] = Gamma((i+1)/2) e.g. GAMMA[0] = Gamma(1/2) = sqrt(Pi), GAMMA[1] = 0! = 1, GAMMA[2] = Gamma(3/2) = sqrt(Pi) / 2, etc.