func GammaIncQ(a float64, x float64) float64 { return float64(C.gsl_sf_gamma_inc_Q(C.double(a), C.double(x))) }
/* Normalized Incomplete Gamma Function * * Q(a,x) = 1/Gamma(a) Integral[ t^(a-1) e^(-t), {t,x,Infinity} ] * * a >= 0, x >= 0 * Q(a,0) := 1 * Q(0,x) := 0, x != 0 * */ func GammaIncQ(a, x float64) (r float64) { r = float64(C.gsl_sf_gamma_inc_Q(C.double(a), C.double(x))) return }