pub unsafe extern fn LAPACKE_zhbgvd(matrix_layout: c_int,
jobz: c_char,
uplo: c_char,
n: lapack_int,
ka: lapack_int,
kb: lapack_int,
ab: *mut lapack_complex_double,
ldab: lapack_int,
bb: *mut lapack_complex_double,
ldbb: lapack_int,
w: *mut c_double,
z: *mut lapack_complex_double,
ldz: lapack_int)
-> lapack_int