Function lapacke_sys::LAPACKE_dlacn2

pub unsafe extern "C" fn LAPACKE_dlacn2(
    n: lapack_int, 
    v: *mut c_double, 
    x: *mut c_double, 
    isgn: *mut lapack_int, 
    est: *mut c_double, 
    kase: *mut lapack_int, 
    isave: *mut lapack_int
) -> lapack_int