func CdfLaplaceQinv(q float64, a float64) float64 { return float64(C.gsl_cdf_laplace_Qinv(C.double(q), C.double(a))) }
// LaplaceQinv returns the cumulative distribution function Qinv(x) for // the upper tail of a laplace distribution. func LaplaceQinv(Q, a float64) float64 { return float64(C.gsl_cdf_laplace_Qinv(C.double(Q), C.double(a))) }