pub unsafe extern "C" fn zheev_(
jobz: *const c_char,
uplo: *const c_char,
n: *const c_int,
a: *mut Rcomplex,
lda: *const c_int,
w: *mut c_double,
work: *mut Rcomplex,
lwork: *const c_int,
rwork: *mut c_double,
info: *mut c_int,
)