pub unsafe extern fn cggsvd_(jobu: *const c_char, jobv: *const c_char, jobq: *const c_char, m: *const c_int, n: *const c_int, p: *const c_int, k: *mut c_int, l: *mut c_int, a: *mut complex_float, lda: *const c_int, b: *mut complex_float, ldb: *const c_int, alpha: *mut c_float, beta: *mut c_float, u: *mut complex_float, ldu: *const c_int, v: *mut complex_float, ldv: *const c_int, q: *mut complex_float, ldq: *const c_int, work: *mut complex_float, rwork: *mut c_float, iwork: *mut c_int, info: *mut c_int)