pub unsafe extern fn chbgvx_(jobz: *const c_char, range: *const c_char, uplo: *const c_char, n: *const c_int, ka: *const c_int, kb: *const c_int, ab: *mut complex_float, ldab: *const c_int, bb: *mut complex_float, ldbb: *const c_int, q: *mut complex_float, ldq: *const c_int, vl: *const c_float, vu: *const c_float, il: *const c_int, iu: *const c_int, abstol: *const c_float, m: *mut c_int, w: *mut c_float, z: *mut complex_float, ldz: *const c_int, work: *mut complex_float, rwork: *mut c_float, iwork: *mut c_int, ifail: *mut c_int, info: *mut c_int)