pub unsafe extern "C" fn dspevx_(
jobz: *const c_char,
range: *const c_char,
uplo: *const c_char,
n: *const lapack_int,
ap: *mut c_double,
vl: *const c_double,
vu: *const c_double,
il: *const lapack_int,
iu: *const lapack_int,
abstol: *const c_double,
m: *mut lapack_int,
w: *mut c_double,
z: *mut c_double,
ldz: *const lapack_int,
work: *mut c_double,
iwork: *mut lapack_int,
ifail: *mut lapack_int,
info: *mut lapack_int,
)