Function gsl_sys::gsl_ran_multivariate_gaussian

pub unsafe extern "C" fn gsl_ran_multivariate_gaussian(
    r: *const gsl_rng, 
    mu: *const gsl_vector, 
    L: *const gsl_matrix, 
    result: *mut gsl_vector
) -> c_int

This is supported on crate feature v2_2 only.