pub unsafe extern "C" fn LAPACKE_dsbev(
matrix_layout: c_int,
jobz: c_char,
uplo: c_char,
n: lapack_int,
kd: lapack_int,
ab: *mut c_double,
ldab: lapack_int,
w: *mut c_double,
z: *mut c_double,
ldz: lapack_int,
) -> lapack_int