lapack_sys::zstein_

pub unsafe extern fn zstein_(n: *mut c_int, d: *const c_double, e: *const c_double, m: *mut c_int, w: *const c_double, iblock: *const c_int, isplit: *const c_int, z: *mut c_void, ldz: *mut c_int, work: *mut c_double, iwork: *mut c_int, ifailv: *mut c_int, info: *mut c_int)