func Beta(a float64, b float64) float64 { return float64(C.gsl_sf_beta(C.double(a), C.double(b))) }
/* Beta Function * B(a,b) * * a > 0, b > 0 * exceptions: GSL_EDOM, GSL_EOVRFLW, GSL_EUNDRFLW */ func Beta(a, b float64) (r float64) { r = float64(C.gsl_sf_beta(C.double(a), C.double(b))) return }