func CdfUgaussianQinv(q float64) float64 {
return float64(C.gsl_cdf_ugaussian_Qinv(C.double(q)))
}
// UgaussianQinv returns the inverse cumulative distribution function
// Qinv(x) for the upper tail of a unit Gaussian.
func UgaussianQinv(Q float64) float64 {
return float64(C.gsl_cdf_ugaussian_Qinv(C.double(Q)))
}